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).
Engineering drawing for a toothed and grooved roller.
| Identifier | ExFiles\Box 153\2\ scan0059 | |
| Date | 23th August 1935 | |
| THESE FACES TO BE FINISHED SMOOTH AND FREE FROM SCALE AND SCALE MARKS. RED FIGURES SHOW DIMENSIONS OF TOOL ROOM CHECK ON ROLLER PATTERN. ROLLS ROYCE AND MADE UNDER WN. 15495. ALL TOOTH FACES MUST RUN RADIALLY TRUE WITH BALL GROOVES WITHIN .0025" INDICATOR READING. RAD SMALL FALLING AWAY AT BOTTOM .003. TO BE CASEHARDENED DEPTH OF CASE TO BE 3/64 SCLEROSCOPE TEST 88-95. FINISHED PART MUST NOT BE MAGNETIC. SECTION OF TOOTH 4 TIMES FULL SIZE. 1.956 DIA MEASURED FROM THIS CORNER. THIS DRG MUST NOT BE WORKED TO. All Dimensions not Limited to be ± .010. Machine where Marked f.{Mr Friese} Extra Fine Finish where Marked ff. MATERIAL: NICKEL CHROME CASEHARDENING STEEL. No. Off per Set: 1. Machine all Over: /. Ground where marked G.{Mr Griffiths - Chief Accountant / Mr Gnapp} Drawn: BHS. Date: 23-8-35. TYPE: SPEC. ROLLER. ADAMANT ENGINEERING CO. LTD LUTON. M.22206 | ||