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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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#1
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Rockwell-Delta 10 inch lathe spindle taper?
I have a 10 Rockwell-Delta 10" metal lathe in my garage. It has a non-standard taper (I think) in the spindle. Not morse, in any case. Anybody able to tell me what the taper should be? I had thought that I had read it to be a B&S 9 taper, but tthe measurments dont jive. Larger than an MT3, smaller than an MT4, and looks too shallow a taper to be B&S. I have measured as best I could, the taper on the very rough looking adapter that came with it, and it looks to be 2.5 degrees included angle, or around .48" per foot, based on the inch that I was able to measure. This does not seem to match any of the tapers in Machinery's Handbook. Anyone got a reference that gives the taper? It's not given in the factory book that came with the lathe. My intent is to grind down a MT4 to MT2 taper sleeve so that the outside matches the machine spindle, using the T&C grinder at work. This should allow the future owner to utilise MT2 centers and tooling in the spindle. I plan on selling it when it's ready to go. Cheers Trevor Jones |
#2
Posted to rec.crafts.metalworking
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Rockwell-Delta 10 inch lathe spindle taper?
"Trevor Jones" wrote in message ... I have a 10 Rockwell-Delta 10" metal lathe in my garage. It has a non-standard taper (I think) in the spindle. Not morse, in any case. Anybody able to tell me what the taper should be? I had thought that I had read it to be a B&S 9 taper, but tthe measurments dont jive. Larger than an MT3, smaller than an MT4, and looks too shallow a taper to be B&S. I have measured as best I could, the taper on the very rough looking adapter that came with it, and it looks to be 2.5 degrees included angle, or around .48" per foot, based on the inch that I was able to measure. This does not seem to match any of the tapers in Machinery's Handbook. Anyone got a reference that gives the taper? It's not given in the factory book that came with the lathe. My intent is to grind down a MT4 to MT2 taper sleeve so that the outside matches the machine spindle, using the T&C grinder at work. This should allow the future owner to utilise MT2 centers and tooling in the spindle. I plan on selling it when it's ready to go. Cheers Trevor Jones Looks like an older brother is on sale at ebay http://cgi.ebay.com/ws/eBayISAPI.dll...MEWA%3AIT&rd=1 Roger |
#3
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Rockwell-Delta 10 inch lathe spindle taper?
On Thu, 04 May 2006 06:55:54 -0600, Trevor Jones
wrote: I have a 10 Rockwell-Delta 10" metal lathe in my garage. It has a non-standard taper (I think) in the spindle. Not morse, in any case. Anybody able to tell me what the taper should be? I had thought that I had read it to be a B&S 9 taper, but tthe measurments dont jive. Larger than an MT3, smaller than an MT4, and looks too shallow a taper to be B&S. snip I'd recommend two approaches. One, call Royal and ask them. If they make a collet adapter for it, they'll know. Two, try out with prussian blue whatever tapers you have on hand which are fairly close. One of them may fit, at least over part of the length. For instance, my Delta-Rockwell 11" is a short section of the same taper dimensions as the back half of a MT5. A lot of other lathe tapers are 4-1/2. Yours might be the back half of an MT4. Pete Keillor Cheers Trevor Jones |
#4
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Rockwell-Delta 10 inch lathe spindle taper?
Pete Keillor wrote:
On Thu, 04 May 2006 06:55:54 -0600, Trevor Jones wrote: I have a 10 Rockwell-Delta 10" metal lathe in my garage. It has a non-standard taper (I think) in the spindle. Not morse, in any case. Anybody able to tell me what the taper should be? I had thought that I had read it to be a B&S 9 taper, but tthe measurments dont jive. Larger than an MT3, smaller than an MT4, and looks too shallow a taper to be B&S. snip I'd recommend two approaches. One, call Royal and ask them. If they make a collet adapter for it, they'll know. Two, try out with prussian blue whatever tapers you have on hand which are fairly close. One of them may fit, at least over part of the length. For instance, my Delta-Rockwell 11" is a short section of the same taper dimensions as the back half of a MT5. A lot of other lathe tapers are 4-1/2. Yours might be the back half of an MT4. Pete Keillor Cheers Trevor Jones I'll scrounge up an MT4 sleeve and give that a try. From my initial measurments, it is tapered at a slower rate than the Morse series and the B&S series tapers. Tony Griffith's site says it will take a 4C collet in the spindle, though I am uncertain as to whether that would need an adaptor or not, and I do not have any handy to check with. I suppose I could print out the dimensions and bang out a reasonable facsimile to check with. Cheers Trevor Jones |
#5
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Rockwell-Delta 10 inch lathe spindle taper?
According to a Rockwell machine tool catalog from 1967, the spindle
taper is "modified (shortened) No. 9 B. & S." Cheers, Kelley On Thu, 04 May 2006 06:55:54 -0600, Trevor Jones wrote: I have a 10 Rockwell-Delta 10" metal lathe in my garage. It has a non-standard taper (I think) in the spindle. Not morse, in any case. Anybody able to tell me what the taper should be? I had thought that I had read it to be a B&S 9 taper, but tthe measurments dont jive. Larger than an MT3, smaller than an MT4, and looks too shallow a taper to be B&S. I have measured as best I could, the taper on the very rough looking adapter that came with it, and it looks to be 2.5 degrees included angle, or around .48" per foot, based on the inch that I was able to measure. This does not seem to match any of the tapers in Machinery's Handbook. Anyone got a reference that gives the taper? It's not given in the factory book that came with the lathe. My intent is to grind down a MT4 to MT2 taper sleeve so that the outside matches the machine spindle, using the T&C grinder at work. This should allow the future owner to utilise MT2 centers and tooling in the spindle. I plan on selling it when it's ready to go. Cheers Trevor Jones -- |
#6
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Rockwell-Delta 10 inch lathe spindle taper?
Kelley Mascher wrote:
According to a Rockwell machine tool catalog from 1967, the spindle taper is "modified (shortened) No. 9 B. & S." Cheers, Kelley Time to set up the taper attachment on the work lathe, methinks. Thanks Kelly Cheers Trevor Jones |
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