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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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lead screw assmbely
hi, im looking for a source for lead screws in the surplus market or maybe
making my own with some help from a machinist. I have designed a drum sander that im planning on building and im stuck at one point. this is what im trying to do I have a 4 x 24" drum on a 3/4 or 1" shaft that I want to move up and down about 4". my first thought was to use a couple 1" threaded rods in flange bearings but where im stuck is connecting the pillow blocks to the rods, my thinking tells me to have some one make me a couple 1" x 1 1/4 x 1 1/4 steel blocks that are threaded for the rod to move thru. then I can mount the pillow blocks on the 1" side but now I need a way to guide the blocks up and down so they wont spin. maybe c channel of some sort that the blocks can ride in on the outboard sides. any thoughts on this would be helpful. thanks Dominic |
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Are you anywhere near Central Oregon? I think I have just what you
need. Remains from an old wave solder machine. Paul |
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Dominic Palazzola wrote:
hi, im looking for a source for lead screws in the surplus market or maybe making my own with some help from a machinist. I have designed a drum sander that im planning on building and im stuck at one point. this is what im trying to do I have a 4 x 24" drum on a 3/4 or 1" shaft that I want to move up and down about 4". my first thought was to use a couple 1" threaded rods in flange bearings but where im stuck is connecting the pillow blocks to the rods, my thinking tells me to have some one make me a couple 1" x 1 1/4 x 1 1/4 steel blocks that are threaded for the rod to move thru. then I can mount the pillow blocks on the 1" side but now I need a way to guide the blocks up and down so they wont spin. maybe c channel of some sort that the blocks can ride in on the outboard sides. any thoughts on this would be helpful. thanks Dominic Look up "take up" bearing housings, made primarily for conveyors but would do your job. Tom |
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Dominic Palazzola wrote:
hi, im looking for a source for lead screws in the surplus market or maybe making my own with some help from a machinist. I have designed a drum sander that im planning on building and im stuck at one point. this is what im trying to do I have a 4 x 24" drum on a 3/4 or 1" shaft that I want to move up and down about 4". my first thought was to use a couple 1" threaded rods in flange bearings but where im stuck is connecting the pillow blocks to the rods, my thinking tells me to have some one make me a couple 1" x 1 1/4 x 1 1/4 steel blocks that are threaded for the rod to move thru. then I can mount the pillow blocks on the 1" side but now I need a way to guide the blocks up and down so they wont spin. maybe c channel of some sort that the blocks can ride in on the outboard sides. any thoughts on this would be helpful. thanks Dominic Thise folks have a lot of lead screw material: http://www1.mscdirect.com/cgi/nnsrhm dp |
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"Dominic Palazzola" wrote in
: hi, im looking for a source for lead screws in the surplus market or maybe making my own with some help from a machinist. I have designed a drum sander that im planning on building and im stuck at one point. this is what im trying to do I have a 4 x 24" drum on a 3/4 or 1" shaft that I want to move up and down about 4". my first thought was to use a couple 1" threaded rods in flange bearings but where im stuck is connecting the pillow blocks to the rods, my thinking tells me to have some one make me a couple 1" x 1 1/4 x 1 1/4 steel blocks that are threaded for the rod to move thru. then I can mount the pillow blocks on the 1" side but now I need a way to guide the blocks up and down so they wont spin. maybe c channel of some sort that the blocks can ride in on the outboard sides. any thoughts on this would be helpful. thanks Dominic www.mcmaster-carr.com Search for ACME screw Search for BallScrew McMaster-Carr is your friend.... -- Anthony You can't 'idiot proof' anything....every time you try, they just make better idiots. Remove sp to reply via email http://www.machines-cnc.net:81/ |
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"Dominic Palazzola" wrote in message ... hi, im looking for a source for lead screws in the surplus market or maybe making my own with some help from a machinist. I have designed a drum sander that im planning on building and im stuck at one point. this is what im trying to do I have a 4 x 24" drum on a 3/4 or 1" shaft that I want to move up and down about 4". my first thought was to use a couple 1" threaded rods in flange bearings but where im stuck is connecting the pillow blocks to the rods, my thinking tells me to have some one make me a couple 1" x 1 1/4 x 1 1/4 steel blocks that are threaded for the rod to move thru. then I can mount the pillow blocks on the 1" side but now I need a way to guide the blocks up and down so they wont spin. maybe c channel of some sort that the blocks can ride in on the outboard sides. any thoughts on this would be helpful. Ball-bearing drawer slides? |
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