. Railway mechanical engineer . ltiple spindle automatic screwmachines. These machines are not only fully automatic in nature, butdesigned for rapid production and accurate results withoutundue complication in the mechanism. They are made tostand up under heavy cuts and are indispensable in anyplan for centralized production. Under this system there issufficient work in a large shop to keep a batter)- of automaticsbusy all the Ume and no one can doubt the reduced unit pro-duction cost. Moreover by standardizing pins and similarparts they will be needed in sufficient quantit\- to w-arrantthe in
. Railway mechanical engineer . ltiple spindle automatic screwmachines. These machines are not only fully automatic in nature, butdesigned for rapid production and accurate results withoutundue complication in the mechanism. They are made tostand up under heavy cuts and are indispensable in anyplan for centralized production. Under this system there issufficient work in a large shop to keep a batter)- of automaticsbusy all the Ume and no one can doubt the reduced unit pro-duction cost. Moreover by standardizing pins and similarparts they will be needed in sufficient quantit\- to w-arrantthe installation of automatics, not only in large shops butin many smaller shops as w-ell. The following description refers to a method of machiningsaddle pins on a 4-in. multiple spindle automatic made byllie National .\cme Company, Cleveland, Ohio. .\ produc- tion speed of 15 pins per hour is readily obtained but by achange in tooling it is possible to get a higher speeding up, however, would not permit of as good a. Fig. 1—View Shov Dimensions and Finish cf Saddle Pii finish to the parts. It is, of course, possible to go to theother extreme and use a number of finishing tools which
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
