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Aviation History
1944
1944 - 0360.PDF
24 Advertisements. FLIGHT FEBRUARY 17TH, IQ_J4 SHRINK FITTING OF BUSHES MEANS RAPID ASSEMBLY WITHOUT DISTORTION At 6o°C. too large. At -6o°C. a "freedomfit." This is what one series of " Prestcold " low-temperature cabinets can achieve. Take for example a case where a duralumin bush has to befitted into a magnesium casting:— Diam. of bush at shop temperature (say) 1.9400 ins. Diam. of bore of casting 1.9380 ins. Interference 0.0020 ins. Take now the new readings after the temperature of the bush has been reduced in a specially designed refrigerator to —6o°C. Diam. of bore of casting at shop temperature 1.9380 ins. Diam. of bush at—6o°C. 1.9369 ins. Clearance 0.0011 ins. This means a freedom fit which speeds up production, reduces scrap, eliminates swarf and so on. Cabinet illustrated is a general- purpose " shrink fit" refrigerator with cooling compartment 21" x 10" X 16". Other sizes available and special - purpose equipment. An investigation into the possi bilities of Prestcold refrigeration equipment in your factory would cost you nothing. Consultations given in any part of the country. PRESTCOLD Aw </ REFRIGERATION PRESSED STEEL CO. LTD., COWLEY, OXFORD POWER ROAD, LONDON, W.4 353 CHESTER ROAD, MANCHESTER Storaye 'Racks, Bins 1 Boxes for factories The capacity of a warehouse or stores can often be doubled by the installation of a suitable FISHOLOW all-steel storage system. On the left is shown one of the lighter types of shelving, and on the right a section of the FLOWRACK. FISHOLOW factory equipment includes many other types, all of which are designed on the unit construction principle ; also trucks, trolleys and transporters. The extensive range and the FISHOLOW facilities enable most requirements to be promptly met. FISHER & LUDLOW Ltd., K. Dept., Branch Works, Rolfe Street, Smethwick. STORAGE SYSTEMS CAFE-CRACKING requires technique—of a sort! Rubber-to-metal bonding also requires technique— of a very different sort—and there we can help you. Rubber-to-metal bonding is but one process with its own special problems for manufacturers using rubber, synthetic rubber and the like. Years of familiarity with these materials, very considerable production experience, and unique development facilities enable us to cope readily with such problems. Our knowledge is also fully at your service if you care to get into touch with us. PRESS MOULDINGS—AIR * GAS-PROOF PRODUCTIONS *' PLASTO-BOND " — METAL - RUBBER BONDING P. B. COW & CO. LTD. INDUSTRIAL RUBBER ENGINEERS 1 EaMishtd 1836 STREATHAM COMMON, LONDON, S.W.16. Telephone: Poll«rds4481(6 lines) Telegrams : Peterccw,Sfreatfi. London
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