Rolls-Royce Archives
         « Prev  Box Series  Next »        

From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Technical drawing detailing a cross-section of a worm gear with specific dimensions and machining notes.

Identifier  ExFiles\Box 170\2\  img099
Date  1st October 1931 guessed
  
RELATION OF KEY TO THREAD AS SHOWN
.960 / .954 BORE BEFORE BROACHING
SCALE - DOUBLE SIZE
¢ OF WORM
CONES TO BE GROUND FROM THIS CENTER
¢ OF 22 TOOTH CUTTER
1/8 CHAMFER
NOT OVER 1/8 R
THIS CORNER TO BE SHARP
SCALE - 4 TIMES SIZE
8.2390
40°
.24 / .32
.100
1.562 / 1.556 DIA
1.851 / 1.883
14° 48'
114° 48'
30°
.007 / .003
.025 / .035
IMPERIAL TRACING CLOTH
S.W.T.&S.Co.N.Y.
  
  


Copyright Sustain 2025, All Rights Reserved.    whatever is rightly done, however humble, is noble
An unhandled error has occurred. Reload 🗙