Posted By<" ">scott lowe on March 12, 2002 at 12:06:18:
we manufacture dual post electric automobile lifts. we use one spindle per column, which is approximately 8 feet long and has a metric, trapezoidal thread with a 6mm pitch. the spindle is 43.3 mm in diameter and made of C1018 cold drawn material. we machine a part from nylatron to use as our load nut which has a mating internal thread to go onto our spindles. we use this material because of its mechanical properties. however, it is extremely tedious to manufacture because we can not get the chips to break during the turning process. we have tried several different tool geometries, as well as feeds and speeds to get the chips to break. does anyone have any suggestions as to how we can change our machining process? if not, is there a alternate material i can use that possess the same or closely the same properties as the nylatron?
< "> Subject: Re: nylatron machineability
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