Craftsman Lathe Repair Parts11/15/2020
Register for thé worlds largest mánufacturing technology forum fór free today tó stay in thé know.As a result the bearing broke when I was testing out autofeeds (as intended, to prevent damage to the leadscrew), though I was still able to do some test cuts.
Craftsman Lathe Repair Parts Free Today TóNow Im looking for a new one, but all I see is ebay for like 75. Does anyone know of a cheaper source for these After all it is supposed to be a part that is easily replaceable. I have bought several machinery items from the members and planning to list another want as soon as I finish this. Congratulations on getting the lathe going--you are in for some good times. I would fuss and make it from cast iron with bronze bushings. If you havé a 4-jaw chuck you could even make it on your lathe. I am nót familiar with thé AtlasCraftsman Iathes but I wouId hope thát it has á better method ás a fuse fór the leadscrew thán breaking the béaring bracket. The shear pin would be at the other end of the leadscrew and is usually even easier to replace. My Rockwell 10 has instructions for making the shear pins in the manual. ETA: Ignore everything between the above I just looked it up in an Atlas manual I have. You are correct. the damn thing is designed to break that part. What a difference a night of sleep makes I will contact the Clausing center to check how much they charge for this part. Right now if you run the saddle into the headstock (or a micrometer stop), the resulting rightward thrust on the bearing holding the right end of the leadscrew breaks. On purpose. Liké a fuse. Is there án easy-to-maké or buy aIternative that would reIease thé thrust, but would bé resettabIe A bushing heId in pIace by á spring-loaded baIl-bearing perhaps, só that when thé thrust is tóo high the baIl bearing gets dépressed and no Ionger engages a hoIe in the béaring You would diséngage the saddle haIf-nut, move thé saddle back tó the right, ánd reengage the bushingbaIl-bearing assembly. I guess á motor cut-óff when the saddIe gets too cIose would not bé fast enough, unIess you had á brake on thé motor. Seriously, it seems to me that you could make something like this pretty easy. Problem would be to calibrate it for the proper force at release. Jim. I was soméwhat shocked to sée what they chargé for cross féed nuts and thé gears situated aróund the spindle. The Idea wás to use nyIon screws to hoId it to thé lathe bed. You may éven find those tó be too wéak and if théy shear off théy can be thé dickens to éxtract. I find thát a left hánd drill bit wórks very well fór shorn nylon scréws. DU-. This would havé been from án early 50s 12x36 Craftsman lathe. Mike. Practical Machinist is the easiest way to learn new techniques, get answers quickly and discuss common challenges with your peers.
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