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1 turned diameter
Большой англо-русский и русско-английский словарь > turned diameter
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2 turned diameter
Англо-русский словарь технических терминов > turned diameter
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3 turned diameter
Техника: обточенная ступень (вала) -
4 turned diameter
обточенная ступень, обточенная ступень валаEnglish-Russian dictionary of mechanical engineering and automation > turned diameter
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5 diameter
diameter admitted in gap — 1) наибольший диаметр изделия, устанавливаемого в выемку станины ( токарного станка) 2) наибольший диаметр изделия, устанавливаемого на стол ( долбёжного станка)
- angle diameterdiameter over pins — диаметр (ЗК), измеряемый по роликам, вложенным во впадины зубьев
- arbitrary diameter
- average cutter diameter
- bar diameter
- base circle diameter
- base diameter
- basic effective diameter
- bearing diameter
- blade point diameter
- bore diameter divided into length
- bore diameter
- boring diameter
- bottom diameter
- centering diameter on the spindle nose
- chucking diameter
- close tolerance diameter
- collar diameter
- contact diameter
- copying diameter
- core diameter
- cutter diameter
- cutting diameter
- diameter of spindle bore
- drilled diameter
- effective cutter diameter
- effective cutting diameter
- effective diameter
- external register diameter
- finish-ground diameter
- free ring diameter
- functional diameter
- functional pitch diameter
- gage diameter
- gaging diameter
- gear outer diameter
- gripping diameter
- honing diameter
- incident laser beam diameter
- inner diameter
- inside diameter
- inside point diameter
- internal diameter
- journal diameter
- machinable bar diameter
- machined diameter
- major diameter
- maximum diameter of flow path
- maximum diameter of workpiece over ways
- maximum turning diameter
- mean bore diameter
- mean diameter of the cutter
- mean outside diameter
- mean spring diameter
- minimum diameter of flow path
- minor diameter
- mounting diameter
- nominal bore diameter
- nominal diameter
- nominal outside diameter
- nominal pitch diameter
- operating pitch diameter
- outer diameter
- outside diameter
- oversized cutter diameter
- pilot diameter
- pin bearing diameter
- pin diameter
- pitch diameter
- point diameter
- pointed tooth outside diameter
- punching diameter
- raceway contact diameter
- range diameters
- reference circle diameter
- reference diameter
- register diameter
- root diameter of wormwheel
- root diameter
- seal diameter
- set point diameter
- simple pitch diameter
- single bore diameter
- single outside diameter
- single plane mean bore diameter
- single plane mean outside diameter
- swing diameter over the bed
- swing diameter
- thread diameter
- thrust collar diameter
- tip cylinder diameter
- tip diameter
- turned diameter
- turning diameter over cross slide
- turning diameter
- undersized cutter diameter
- virtual pitch diameter of thread
- wheel-mounting diameter
- worm wheel maximum diameterEnglish-Russian dictionary of mechanical engineering and automation > diameter
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6 diameter
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beam diameter
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bore diameter
- breast height diameter -
bubble diameter
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butt diameter
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core diameter
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cutoff diameter
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diameter of conic
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diameter of turning circle diameter
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disk inner recording diameter
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disk outer recording diameter
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display diameter
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droplet diameter
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effective diameter
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equivalent diameter
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external diameter
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final diameter of turning circle
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finish-ground diameter
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gage diameter
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gaging diameter
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gripping diameter
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groove diameter
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honing diameter
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hydraulic diameter
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inner diameter
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inside diameter
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internal diameter
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machined diameter
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nominal diameter
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outer diameter
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overall diameter
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oversize cutter diameter
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oversize diameter
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permissible diameter
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seal diameter
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shaft diameter
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spot diameter
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sprocket root diameter
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steady-turning diameter
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tactical diameter
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tip diameter
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turned diameter
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undersize cutter diameter
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undersize diameter
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wheel tread diameter -
7 eight-diameter stepped shaft
English-Russian big polytechnic dictionary > eight-diameter stepped shaft
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8 обточенная ступень
Большой англо-русский и русско-английский словарь > обточенная ступень
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9 обточенная ступень
( вала) turned diameterАнгло-русский словарь технических терминов > обточенная ступень
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10 part
1) часть; доля || распадаться на части; разделять, разделяться2) деталь; часть ( изделия); элемент; компонент; сегмент || детализировать3) раздел (напр. программного обеспечения)•to build around an actual part — изготавливать (напр. приспособление) применительно к обрабатываемой детали
- 2D partto handle parts randomly — загружать детали, загружать обрабатываемые детали ( на станок) в произвольной последовательности
- 3D part
- accepted part
- accessible moving parts
- active gas parts
- active part of cutting tool
- active part
- actuated part
- address part
- aspheric part
- aspherical part
- assembled part
- assembly base part
- associated part
- axially symmetrical part
- baffled-off part
- bar part
- bar-coded part
- basic part
- blank part
- body part
- bottom-most part
- bought-out parts
- box-like part
- box-shaped part
- box-type part
- candidate part
- case-type part
- catapulting part
- ceramic-machined part
- ceramic-turned part
- certified part
- change part
- chuck part
- chucked part
- chucking part
- circular part
- clamped part
- close tolerance part
- common parts
- completed part
- complex geometry part
- complex part
- component part
- conductive part
- constituent part
- consumable part
- contoured part
- conveyorized part
- current part
- curved part
- cutting part
- defective part
- detail part
- die-cast part
- disoriented part
- duplicate part
- end part
- exceptional parts
- exposed rotating machine parts
- extension part
- fabricated part
- facing part
- facsimile part
- failed part
- family part
- family-related part
- fast-revolving part
- faulty part
- figurine part
- figurine-shaped part
- filler part
- finish turned part
- finished part
- finishing part
- first-off piece part
- first-run part
- fixed part of the machine
- flat bar part
- flat-pattern parts
- FMS rotational part
- fractional part
- functioning part
- green part
- half-done part
- half-machined part
- hand-fed part
- hard part
- HBM-type parts
- hemispherical part
- high value-added part
- high-load part
- high-precision part
- high-production parts
- high-volume parts
- incoming part
- injection-molded part
- in-process part
- integral part
- integral-rib part
- integrated part
- interchangeable part
- in-tolerance part
- labor-intensive part
- lathe-turned part
- live parts
- long-run parts
- loose part
- low value-added part
- low-mix parts
- low-volume parts
- machined part
- machinery parts
- main journal part
- male die part
- mass production parts
- master part
- master threaded part
- mating parts
- medium-run parts
- medium-volume parts
- microsized part
- mid-volume parts
- minor part
- moving part
- multiple parts
- multiple-diameter part
- multiple-operation part
- NC-machined part
- near-net-shape part
- necked part
- net shape part
- nonconforming parts
- non-FMS part
- nonproductive parts of the cycle
- nonrecurring parts
- nonrotational part
- nonservice part
- numerical part of identity
- odd parts
- odd-shaped part
- offending part
- off-gage part
- off-queue part
- off-the-shelf part
- one-of-a-kind parts
- one-off parts
- on-queue part
- open tolerance part
- operative parts
- option part
- out-of-spec part
- out-of-tolerance part
- pallet-fixtured part
- palletized part
- partially completed part
- part-machined part
- passive part
- piece part
- pin journal part
- pliable part
- PM part
- powder metal part
- powder part
- precision part
- precision-machined part
- prismatic part
- processed part
- production part
- program part
- projected part
- proof part
- prototype part
- quality part
- quality-checked part
- randomly fabricating parts
- randomly sequenced parts
- rapidly wearing part
- raw part
- raw primary part
- reference part
- related parts
- removable parts
- repair part
- replacement part
- representative part
- revolving part
- rotary part
- routing part
- rubbing part
- sample part
- scored part
- semicompleted part
- semifinished part
- service parts
- shaft part
- shaped part
- shaping part
- short-run parts
- short-run time parts
- single-diameter part
- sizing part
- slender part
- small-envelope part
- snap-in part
- software part
- spare part
- stack-machined parts
- stack-routed parts
- stationary part
- stepped part
- stereolithography part
- stress-relieved part
- structural part
- substandard part
- tapered part
- test part
- threaded part
- tool cutting part
- top quality part
- transmission parts
- turned part
- ultra-high-precision part
- ultra-precision part
- unworked part
- wearing parts
- wire-frame CAD parts
- work part
- working part of cutting toolEnglish-Russian dictionary of mechanical engineering and automation > part
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11 Brunel, Isambard Kingdom
SUBJECT AREA: Civil engineering, Land transport, Mechanical, pneumatic and hydraulic engineering, Ports and shipping, Public utilities, Railways and locomotives[br]b. 9 April 1806 Portsea, Hampshire, Englandd. 15 September 1859 18 Duke Street, St James's, London, England[br]English civil and mechanical engineer.[br]The son of Marc Isambard Brunel and Sophia Kingdom, he was educated at a private boarding-school in Hove. At the age of 14 he went to the College of Caen and then to the Lycée Henri-Quatre in Paris, after which he was apprenticed to Louis Breguet. In 1822 he returned from France and started working in his father's office, while spending much of his time at the works of Maudslay, Sons \& Field.From 1825 to 1828 he worked under his father on the construction of the latter's Thames Tunnel, occupying the position of Engineer-in-Charge, exhibiting great courage and presence of mind in the emergencies which occurred not infrequently. These culminated in January 1828 in the flooding of the tunnel and work was suspended for seven years. For the next five years the young engineer made abortive attempts to find a suitable outlet for his talents, but to little avail. Eventually, in 1831, his design for a suspension bridge over the River Avon at Clifton Gorge was accepted and he was appointed Engineer. (The bridge was eventually finished five years after Brunel's death, as a memorial to him, the delay being due to inadequate financing.) He next planned and supervised improvements to the Bristol docks. In March 1833 he was appointed Engineer of the Bristol Railway, later called the Great Western Railway. He immediately started to survey the route between London and Bristol that was completed by late August that year. On 5 July 1836 he married Mary Horsley and settled into 18 Duke Street, Westminster, London, where he also had his office. Work on the Bristol Railway started in 1836. The foundation stone of the Clifton Suspension Bridge was laid the same year. Whereas George Stephenson had based his standard railway gauge as 4 ft 8½ in (1.44 m), that or a similar gauge being usual for colliery wagonways in the Newcastle area, Brunel adopted the broader gauge of 7 ft (2.13 m). The first stretch of the line, from Paddington to Maidenhead, was opened to traffic on 4 June 1838, and the whole line from London to Bristol was opened in June 1841. The continuation of the line through to Exeter was completed and opened on 1 May 1844. The normal time for the 194-mile (312 km) run from Paddington to Exeter was 5 hours, at an average speed of 38.8 mph (62.4 km/h) including stops. The Great Western line included the Box Tunnel, the longest tunnel to that date at nearly two miles (3.2 km).Brunel was the engineer of most of the railways in the West Country, in South Wales and much of Southern Ireland. As railway networks developed, the frequent break of gauge became more of a problem and on 9 July 1845 a Royal Commission was appointed to look into it. In spite of comparative tests, run between Paddington-Didcot and Darlington-York, which showed in favour of Brunel's arrangement, the enquiry ruled in favour of the narrow gauge, 274 miles (441 km) of the former having been built against 1,901 miles (3,059 km) of the latter to that date. The Gauge Act of 1846 forbade the building of any further railways in Britain to any gauge other than 4 ft 8 1/2 in (1.44 m).The existence of long and severe gradients on the South Devon Railway led to Brunel's adoption of the atmospheric railway developed by Samuel Clegg and later by the Samuda brothers. In this a pipe of 9 in. (23 cm) or more in diameter was laid between the rails, along the top of which ran a continuous hinged flap of leather backed with iron. At intervals of about 3 miles (4.8 km) were pumping stations to exhaust the pipe. Much trouble was experienced with the flap valve and its lubrication—freezing of the leather in winter, the lubricant being sucked into the pipe or eaten by rats at other times—and the experiment was abandoned at considerable cost.Brunel is to be remembered for his two great West Country tubular bridges, the Chepstow and the Tamar Bridge at Saltash, with the latter opened in May 1859, having two main spans of 465 ft (142 m) and a central pier extending 80 ft (24 m) below high water mark and allowing 100 ft (30 m) of headroom above the same. His timber viaducts throughout Devon and Cornwall became a feature of the landscape. The line was extended ultimately to Penzance.As early as 1835 Brunel had the idea of extending the line westwards across the Atlantic from Bristol to New York by means of a steamship. In 1836 building commenced and the hull left Bristol in July 1837 for fitting out at Wapping. On 31 March 1838 the ship left again for Bristol but the boiler lagging caught fire and Brunel was injured in the subsequent confusion. On 8 April the ship set sail for New York (under steam), its rival, the 703-ton Sirius, having left four days earlier. The 1,340-ton Great Western arrived only a few hours after the Sirius. The hull was of wood, and was copper-sheathed. In 1838 Brunel planned a larger ship, some 3,000 tons, the Great Britain, which was to have an iron hull.The Great Britain was screwdriven and was launched on 19 July 1843,289 ft (88 m) long by 51 ft (15.5 m) at its widest. The ship's first voyage, from Liverpool to New York, began on 26 August 1845. In 1846 it ran aground in Dundrum Bay, County Down, and was later sold for use on the Australian run, on which it sailed no fewer than thirty-two times in twenty-three years, also serving as a troop-ship in the Crimean War. During this war, Brunel designed a 1,000-bed hospital which was shipped out to Renkioi ready for assembly and complete with shower-baths and vapour-baths with printed instructions on how to use them, beds and bedding and water closets with a supply of toilet paper! Brunel's last, largest and most extravagantly conceived ship was the Great Leviathan, eventually named The Great Eastern, which had a double-skinned iron hull, together with both paddles and screw propeller. Brunel designed the ship to carry sufficient coal for the round trip to Australia without refuelling, thus saving the need for and the cost of bunkering, as there were then few bunkering ports throughout the world. The ship's construction was started by John Scott Russell in his yard at Millwall on the Thames, but the building was completed by Brunel due to Russell's bankruptcy in 1856. The hull of the huge vessel was laid down so as to be launched sideways into the river and then to be floated on the tide. Brunel's plan for hydraulic launching gear had been turned down by the directors on the grounds of cost, an economy that proved false in the event. The sideways launch with over 4,000 tons of hydraulic power together with steam winches and floating tugs on the river took over two months, from 3 November 1857 until 13 January 1858. The ship was 680 ft (207 m) long, 83 ft (25 m) beam and 58 ft (18 m) deep; the screw was 24 ft (7.3 m) in diameter and paddles 60 ft (18.3 m) in diameter. Its displacement was 32,000 tons (32,500 tonnes).The strain of overwork and the huge responsibilities that lay on Brunel began to tell. He was diagnosed as suffering from Bright's disease, or nephritis, and spent the winter travelling in the Mediterranean and Egypt, returning to England in May 1859. On 5 September he suffered a stroke which left him partially paralysed, and he died ten days later at his Duke Street home.[br]Further ReadingL.T.C.Rolt, 1957, Isambard Kingdom Brunel, London: Longmans Green. J.Dugan, 1953, The Great Iron Ship, Hamish Hamilton.IMcNBiographical history of technology > Brunel, Isambard Kingdom
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12 part
I1) часть; доля2) отделять(ся); разделять(ся); расчленять3) компонент; элемент4) деталь5) узел6) вчт. совокупность, сегмент ( в языке Ада)•-II сокр. от
2D part
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3D part
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accepted part
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actuated part
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address part
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assembly defective part
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basic part
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bearing part
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blank part
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bottom part
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case-shaped part
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change part
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chucked part
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chuck part
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clamped part
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common parts
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completed part
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complex part
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component part
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conductive part
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critical part
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current part
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discrete part
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egg-box palletized part
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electronic part
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embedded parts
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exchange cylinder cam part
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exponent part
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exterior part
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fabricated parts
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facsimile part
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failed part
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family-related parts
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faulty part
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female part
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finished part
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fixed part
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former part
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fractional part
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function part
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functional part
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half-done part
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hand-fed parts
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high-load part
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high-precision part
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imaginary part
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incoming part
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integral part
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interchangeable parts
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intolerance part
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linear part
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load-bearing part
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locating part
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location part
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machined part
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makeup part
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male part
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master part
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mating docking part
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mating part
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milled part
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minor part
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miscellaneous part
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multiple parts
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multiple-diameter part
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NC machine part
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negative real part
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non-FMS part
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nonrotational part
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odd-shaped part
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one-of-a-kind parts
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open tolerance part
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operation operator part
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operation part
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out-of-tolerance part
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oversize part
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pallet-fixtured part
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parts of triangle
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prefabricated part
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prefab part
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pressed part
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pressurized fuselage part
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primary part
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prismatic part
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protective stock part
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prototype part
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purchased part
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quality-checked part
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real part
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rejected part
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removable part
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repair part
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replacement part
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rotary part
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rough part
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routing part
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sample part
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scalar part
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scored part
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sealing part
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semicompleted part
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shaft part
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single-diameter part
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spare part
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stationary part
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stepped part
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stress relieved part
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top quality part
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turned part
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twisted garment part
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undersize part
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unpressurized fuselage part
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user part
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vectorial part
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warranty claim part
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wearing part
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wear-resisting part
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work part
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worn-out part
partition -
13 inside
dedans ⇒ 1 (a) à l'intérieur ⇒ 1 (a) au fond ⇒ 1 (d) à l'intérieur de ⇒ 2 (a) dans ⇒ 2 (a) en moins de ⇒ 2 (b) intérieur ⇒ 3 (a), 4 (a)(a) (within enclosed space) dedans, à l'intérieur;∎ there's nothing inside il n'y a rien dedans ou à l'intérieur;∎ it's hollow inside c'est creux à l'intérieur, l'intérieur est creux;∎ inside and out au dedans et au dehors, à l'intérieur et à l'extérieur∎ bring the chairs inside rentre les chaises;∎ she opened the door and went inside elle ouvrit la porte et entra;∎ go and play inside va jouer à l'intérieur;∎ come inside! entrez!;∎ move along inside there! avancez jusqu'au fond!∎ he's been inside il a fait de la taule(d) (in one's heart) au fond (de soi-même);∎ inside I was furious au fond de moi-même, j'étais furieux∎ inside the house à l'intérieur de la maison;∎ figurative what goes on inside his head? qu'est-ce qui se passe dans sa tête?;∎ familiar I'll be all right once I've got a few drinks inside me tout ira bien quand j'aurai descendu quelques verres;∎ familiar get this inside you avale ça;∎ a little voice inside me kept saying "no" une petite voix intérieure n'arrêtait pas de me dire "non";∎ it's just inside the limit c'est juste (dans) la limite;∎ the attack took place inside Turkey itself l'assaut a eu lieu sur le territoire turc même;∎ someone inside the company must have told them quelqu'un de l'entreprise a dû le leur dire(b) (in less than) en moins de;∎ I'll have it finished inside 6 days je l'aurai terminé en moins de 6 jours(a) (inner part) intérieur m;∎ the inside of the box l'intérieur de la boîte;∎ the door doesn't open from the inside la porte ne s'ouvre pas de l'intérieur;∎ she has a scar on the inside of her wrist elle a une cicatrice à l'intérieur du poignet(b) (of pavement, road)∎ walk on the inside marchez loin du bord;∎ Cars to overtake on the inside (driving on left) doubler à gauche; (driving on right) doubler à droite;∎ Horseracing coming up on the inside is Golden Boy Golden Boy remonte à la corde∎ only someone on the inside would know that seul quelqu'un de la maison saurait ça(a) (door, wall) intérieur; Building industry (measurement, stair etc) dans œuvre; (diameter) interne;∎ Horseracing to be on the inside track tenir la corde; figurative être bien placé∎ he has inside information il a quelqu'un dans la place qui le renseigne;∎ it looks like an inside job on dirait que c'est quelqu'un de la maison qui a fait le coup;∎ I speak with inside knowledge ce que je dis je le sais de bonne source;∎ find out the inside story essaie de découvrir les dessous de l'histoire∎ inside left/right inter m gauche/droit∎ to have pains in one's insides avoir mal au ventre(a) (in less than) en moins de□∎ your socks are on inside out tu as mis tes chaussettes à l'envers;∎ he turned his pockets inside out il a retourné ses poches;∎ figurative they turned the room inside out ils ont mis la pièce sens dessus dessous∎ he knows this town inside out il connaît cette ville comme sa poche;∎ she knows her job inside out elle connaît parfaitement son travail►► Press inside back cover troisième f de couverture;inside centre (in rugby) premier centre m;Cars inside door portière f côté trottoir;Football inside forward inter m, intérieur m;Press inside front cover deuxième f de couverture;the inside lane (in athletics) la corde, le couloir intérieur; (of road → driving on left) la voie de gauche; (→ driving on right) la voie de droite;inside leg (measurement) hauteur f de l'entrejambe;Typography inside margin marge f de reliure, (blanc m de) petit fond m;the inside pages (of newspaper) les pages fpl intérieures;inside toilet toilettes fpl à l'intérieur;∎ figurative to have the inside track être en position de force;Cars inside wheel roue f côté trottoir -
14 cut
1) разрез; надрез; срез; прорезь; пропил || разрезать; надрезать; срезать; прорезать2) резание, обработка резанием; проход ( при обработке резанием); резка, отрезка (см. тж cutting)3) обрабатываемый участок; участок обработки ( детали)4) pl стружка5) насечка ( напильника)6) удалять, вырезать (напр. фрагмент текста или изображения)•in one cut — одним проходом ( инструмента); с одного установа ( на станок)
- actual cutto take a cut on — резать, обрабатывать резанием
- addendum cut
- approach cut
- bastard cut
- bevel cut
- beveled cut
- bias cut
- boring finish cut
- both ways cut
- calibrating cut
- circular milling cut
- clean cut
- cleanup cut
- climb cut
- coarse cut
- combined cuts
- continuous cut
- corner cut
- cross cut
- curling cut
- cut of greater incremental diameter
- dead smooth cut
- deep cut
- diamond-turned cut
- double cut
- down cut
- facing cut
- file cut
- finish-turning cut
- flat-facing cut
- full horsepower cut
- horizontal cut
- interrupted cuts
- knife cut
- light duty cut
- milling cut
- miter cut
- NC cut
- notching cut
- orthogonal cut
- out-of-tolerance cut
- overlapping plunge cut
- parting cut
- qualifying cut
- rasp cut
- rotary cut
- rough cut
- roughing cut
- saw cut
- scraping cut
- serrating cut
- severing cut
- shallow cut
- shear cut
- shearing cut
- single cut
- sizing cut
- skim cut
- slitting cut
- smooth cut
- straight cut
- taper cut
- teach-in cut
- test cut
- test hemisphere cut
- threading cut
- to cut away
- to cut back
- to cut in
- to cut into
- to cut off
- to cut out
- trial cut
- turning cut
- vertical cutEnglish-Russian dictionary of mechanical engineering and automation > cut
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15 bore
1. n высверленное или расточенное отверстие2. n горн. скважина, шпурwell bore — ствол скважины; диаметр скважины
3. n воен. канал ствола4. n воен. калибр оружия5. v сверлить, растачивать6. v поддаваться сверлению7. v бурить8. v с трудом прокладывать себе путь; протискиваться9. v вытягивать голову10. v спорт. жарг. оттолкнуть, отпихнуть11. v спорт. жарг. вывести своего противника из состязания12. n скука13. n скучный человек; зануда14. v надоедать; наскучитьI was victimized the whole evening by the worst bore in the room — скучнейший человек из всех присутствовавших надоедал мне весь вечер
15. n борСинонимический ряд:1. caliber (noun) caliber; calibre; diameter; hole2. drag (noun) drag3. nuisance (noun) nuisance; pest; tiresome person4. accompanied (verb) accompanied; attended; chaperoned; conducted; consorted with; convoyed; escorted5. behaved (verb) acquitted; acted; behaved; comported; demeaned; deported; did; disported; moved; quit; went on6. drill (verb) drill; penetrate; perforate; pierce; prick; punch; puncture; ream; tunnel7. gaze (verb) gape; gawk; gaze; glare; gloat; goggle; peer; stare8. had (verb) brought; bucked; carried; conveyed; displayed; exhibited; ferried; fetched; had; lugged; packed; possessed; toted; transported9. headed (verb) headed; lighted out or lit out; made; set out; strike out; struck out; took off; went10. nursed (verb) harboured; nursed11. pressed (verb) compressed; constrained; crowded; crushed; jammed; pressed; pushed; squashed; squeezed12. procreated (verb) begot; bred; generated; multiplied; procreated; propagated; reproduced13. produced (verb) bore; produced; turned out; yielded14. took (verb) abided; abode or abided; accepted; bring forth; brooked; brought forth; delivered; digested; endured; lumped; stomached; stood; stuck out; suffered; supported; sustained; swallowed; sweat out or sweated out; tolerated; took; went15. weary (verb) annoy; ennui; fatigue; pall; tire; wearyАнтонимический ряд: -
16 Crælius, Per Anton
SUBJECT AREA: Mining and extraction technology[br]b. 2 November 1854 Stockholm, Swedend. 7 August 1905 Stockholm, Sweden[br]Swedish mining engineer, inventor of the core drilling technique for prospecting purposes.[br]Having completed his studies at the Technological Institute in Stockholm and the Mining School at Falun, Crælius was awarded a grant by the Swedish Jernkontoret and in 1879 he travelled to Germany, France and Belgium in order to study technological aspects of the mining, iron and steel industries. In the same year he went to the United States, where he worked with an iron works in Colorado and a mining company in Nevada. In 1884, having returned to Sweden, he obtained an appointment in the Norberg mines; two years later, he took up employment at the Ängelsberg oilmill.His mining experience had shown him the demand for a reliable, handy and cheap method of drilling, particularly for prospecting purposes. He had become acquainted with modern drilling methods in America, possibly including Albert Fauck's drilling jar. In 1886, Crælius designed his first small-diameter drill, which was assembled in one unit. Its rotating boring rod, smooth on the outside, was fixed inside a hollow mandrel which could be turned in any direction. This first drill was hand-driven, but the hydraulic version of it became the prototype for all near-surface prospecting drills in use worldwide in the late twentieth century.Between 1890 and 1900 Crælius was managing director of the Morgårdshammar mechanical workshops, where he was able to continue the development of his drilling apparatus. He successfully applied diesel engines in the 1890s, and in 1895 he added diamond crowns to the drill. The commercial exploitation of the invention was carried out by Svenska Diamantbergborrings AB, of which Crælius was a director from its establishment in 1886.[br]Further ReadingG.Glockemeier, 1913, Diamantbohrungen für Schürf-und Aufschlußarbeiten über und unter Tage, Berlin (examines the technological aspects of Crælius's drilling method).A.Nachmanson and K.Sundberg, 1936, Svenska Diamantbergborrings Aktiebolaget 1886–1936, Uppsala (outlines extensively the merits of Crælius's invention).See also: Fauvelle, Pierre-PascalWK -
17 Houldsworth, Henry
SUBJECT AREA: Textiles[br]b. 1797 Manchester (?), Englandd. 1868 Manchester (?), England[br]English cotton spinner who introduced the differential gear to roving frames in Britain.[br]There are two claimants for the person who originated the differential gear as applied to roving frames: one is J.Green, a tinsmith of Mansfield, in his patent of 1823; the other is Arnold, who had applied it in America and patented it in early 1823. This latter was the source for Houldsworth's patent in 1826. It seems that Arnold's gearing was secretly communicated to Houldsworth by Charles Richmond, possibly when Houldsworth visited the United States in 1822–3, but more probably in 1825 when Richmond went to England. In return, Richmond received information about parts of a cylinder printing machine from Houldsworth. In the working of the roving frame, as the rovings were wound onto their bobbins and the diameter of the bobbins increased, the bobbin speed had to be reduced to keep the winding on at the same speed while the flyers and drawing rollers had to maintain their initial speed. Although this could be achieved by moving the driving belt along coned pulleys, this method did not provide enough power and slippage occurred. The differential gear combined the direct drive from the main shaft of the roving frame with that from the cone drive, so that only the latter provided the dif-ference between flyer and bobbin speeds, i.e. the winding speeds, thus taking away most of the power from that belt. Henry Houldsworth Senior (1774–1853) was living in Manchester when his son Henry was born, but by 1800 had moved to Glasgow. He built several mills, including a massive one at Anderston, Scotland, in which a Boulton \& Watt steam engine was installed. Henry Houldsworth Junior was probably back in Manchester by 1826, where he was to become an influential cotton spinner as chief partner in his mills, which he moved out to Reddish in 1863–5. He was also a prominent landowner in Cheetham. When William Fairbairn was considering establishing the Association for the Prevention of Steam Boiler Explosions in 1854, he wanted to find an influential manufacturer and mill-owner and he made a happy choice when he turned to Henry Houldsworth for assistance.[br]Bibliography1826, British patent no. 5,316 (differential gear for roving frames).Further ReadingDetails about Henry Houldsworth Junior are very sparse. The best account of his acquisition of the differential gear is given by D.J.Jeremy, 1981, Transatlantic Industrial Revolution. The Diffusion of Textile Technologies Between Britain and America, 1790–1830, Oxford.W.English, 1969, The Textile Industry, London (an explanation of the mechanisms of the roving frame).W.Pole, 1877, The Life of Sir William Fairbairn, Bart., London (provides an account of the beginning of the Manchester Steam Users' Association for the Prevention of Steam-boiler Explosions).RLH -
18 Ransome, Frederick
[br]b. 18 June 1818 Rushmere, Suffolk, Englandd. 19 April 1893 London, England[br]English engineer and inventor of a type of artificial stone.[br]Frederick Ransome was the son of James Ransome (1782–1849) and grandson of Robert Ransome, founder of the well-known Ipswich firm of engineers. He did not become a partner in the family firm, but devoted his life to experiments to develop an artificial stone. These experiments were recorded in a paper which he presented to the Institution of Civil Engineers in 1848 and in a long series of over thirty patents dating from 1844. The material so formed was a sandstone, the particles of which were bonded together by a silicate of lime. It could be moulded into any required form while in its initial soft state, and when hard was suitable for surface-dressing or carving. It was used for many public buildings, but time proved it unsuitable for outside work. Ransome also used his artificial stone to make grinding wheels by incorporating emery powder in the mixture. These were found to be much superior to those made of natural stone. Another use of the artificial stone was in a porous form which could be used as a filter. In later years Ransome turned his attention to the manufacture of Portland cement and of a cheaper substitute incorporating blast-furnace slag. He also invented a rotary kiln for burning the cement, the first of these being built in 1887. It was 26 ft (7.9 m) long and 5 ft (1.5 m) in diameter; although reasonably successful, the development of such kilns of much greater length was carried out in America rather than England. Ransome was elected an Associate of the Institution of Civil Engineers in 1848 and served as an Associate of[br]Bibliography1848, "On the manufacture of artificial stone with a silica base", Minutes of the Proceedings of the Institution of Civil Engineers 7:57.RTS -
19 Thomson, James
SUBJECT AREA: Mechanical, pneumatic and hydraulic engineering[br]b. 16 February 1822 Belfast, Ireland (now Northern Ireland)d. 8 May 1892 Glasgow, Scotland[br]Irish civil engineer noted for his work in hydraulics and for his design of the "Vortex" turbine.[br]James Thomson was a pupil in several civil-engineering offices, but the nature of the work was beyond his physical capacity and from 1843 onwards he devoted himself to theoretical studies. Hhe first concentrated on the problems associated with the expansion of liquids when they reach their freezing point: water is one such example. He continued this work with his younger brother, Lord Kelvin (see Thomson, Sir William).After experimentation with a "feathered" paddle wheel as a young man, he turned his attention to water power. In 1850 he made his first patent application, "Hydraulic machinery and steam engines": this patent became his "Vortex" turbine design. He settled in Belfast, the home of the MacAdam-Fourneyron turbine, in 1851, and as a civil engineer became the Resident Engineer to the Belfast Water Commissioners in 1853. In 1857 he was appointed Professor of Civil Engineering and Surveying at Queen's College, Belfast.Whilst it is understood that he made his first turbine models in Belfast, he came to an arrangement with the Williamson Brothers of Kendal to make his turbine. In 1856 Williamsons produced their first turbine to Thomson's design and drawings. This was the Vortex Williamson Number 1, which produced 5 hp (3.7 kW) under a fall of 31 ft (9.4 m) on a 9 in. (23 cm) diameter supply. The rotor of this turbine ran in a horizontal plane. For several years the Williamson catalogue described their Vortex turbine as "designed by Professor James Thomson".Thomson continued with his study of hydraulics and water flow both at Queen's College, Belfast, and, later, at Glasgow University, where he became Professor in 1873, succeeding Macquorn Rankine, another famous engineer. At Glasgow, James Thomson studied the flow in rivers and the effects of erosion on river beds. He was also an authority on geological formations such as the development of the basalt structure of the Giant's Causeway, north of Belfast.James Thomson was an extremely active engineer and a very profound teacher of civil engineering. His form of water turbine had a long life before being displaced by the turbines designed in the twentieth century.[br]Bibliography1850, British patent no. 13,156 "Hydraulic machinery and steam engines".Further ReadingGilkes, 1956, One Hundred Years of Water Power, Kendal.KM
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