Spur and bevel gearing; a treatise on the principles, dimensions, calculation, design and strength of spur and bevel gearing, together with chapters on special tooth forms and methods of cutting gear teeth (1914)
New York, The Industrial press; [etc., etc.] · leaf 61
k in hand, and are brought ui line ^dth the proper gear on thearbor, which is then located centrally between the two rollers.The rack is now fed in between the rollers and the gear, and thetable is brought up until enough pressure is exerted on the rackto straighten it. The spindle is revolved… … Fig. I. Straightening Cold-rolled Steel Racks in a Milling Machine as on each side. This prevents stretching the racks when inmesh with the gears. Were this not so, the wedging action ofthe gear teeth under hea^y pressure would spread the rack teeth,increase the pitch, and. to some degree, lengthen…
Gearing
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