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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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Pushing the Limits of a Morse Taper Shank...
Does anyone have a chart showing the limits of a Morse Taper shank by MT
size? Obviously, a MT2 can handle less than an MT3, etc. However, I'm trying to figure out if an MT2 can handle a specific load... If it matters, I don't think it can and the load is as follows: Form tapping 1010 steel 1/4-28 0.620" deep six or seven holes at a time Regards, Joe Agro, Jr. (800) 871-5022 x113 01.908.542.0244 Flagship Site: http://www.Drill-HQ.com Automatic / Pneumatic Drills: http://www.AutoDrill.com Multiple Spindle Drills: http://www.Multi-Drill.com Production Tapping: http://Production-Tapping-Equipment.com/ VIDEOS: http://www.youtube.com/user/AutoDrill FACEBOOK: http://www.facebook.com/AutoDrill TWITTER: http://twitter.com/AutoDrill V8013-R |
#2
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Pushing the Limits of a Morse Taper Shank...
On 10/4/2011 12:22 PM, Joe AutoDrill wrote:
Does anyone have a chart showing the limits of a Morse Taper shank by MT size? Obviously, a MT2 can handle less than an MT3, etc. However, I'm trying to figure out if an MT2 can handle a specific load... If it matters, I don't think it can and the load is as follows: Form tapping 1010 steel 1/4-28 0.620" deep six or seven holes at a time Regards, Joe Agro, Jr. (800) 871-5022 x113 01.908.542.0244 Flagship Site: http://www.Drill-HQ.com Automatic / Pneumatic Drills: http://www.AutoDrill.com Multiple Spindle Drills: http://www.Multi-Drill.com Production Tapping: http://Production-Tapping-Equipment.com/ VIDEOS: http://www.youtube.com/user/AutoDrill FACEBOOK: http://www.facebook.com/AutoDrill TWITTER: http://twitter.com/AutoDrill V8013-R Joe, are you asking how much torque a Morse taper drill without a tang can take without turning? So much depends on the condition of the mating surfaces. That is why the drills have a tang and the drill presses have a slot for the tang. You are asking a question that has to be answered with "that depends"! Maybe someone else will have a more helpful answer. Paul |
#3
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Pushing the Limits of a Morse Taper Shank...
Joe, are you asking how much torque a Morse taper drill without a tang can
take without turning? So much depends on the condition of the mating surfaces. That is why the drills have a tang and the drill presses have a slot for the tang. You are asking a question that has to be answered with "that depends"! Maybe someone else will have a more helpful answer. I rushed through the original post... I should have provided more details. The MT2 mating surface is not my worry at all as the MT2 driver we choose can have a tang or a draw bar set-up. So the mate will be tight and on brand new ground surfaces. It should't slip under any circumstances there... The MT2 does go to a 3/8-16 thread though and that thread is hardened and inserted into the back of another device. I'm worrying about the transition from the large diameter of the MT2 taper to teh 3/8-16 male thread. I think that the customer might be asking too much of it. -- Regards, Joe Agro, Jr. (800) 871-5022 x113 01.908.542.0244 Flagship Site: http://www.Drill-HQ.com Automatic / Pneumatic Drills: http://www.AutoDrill.com Multiple Spindle Drills: http://www.Multi-Drill.com Production Tapping: http://Production-Tapping-Equipment.com/ VIDEOS: http://www.youtube.com/user/AutoDrill FACEBOOK: http://www.facebook.com/AutoDrill TWITTER: http://twitter.com/AutoDrill V8013-R |
#4
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Pushing the Limits of a Morse Taper Shank...
On 10/5/2011 4:37 AM, Joe AutoDrill wrote:
Joe, are you asking how much torque a Morse taper drill without a tang can take without turning? So much depends on the condition of the mating surfaces. That is why the drills have a tang and the drill presses have a slot for the tang. You are asking a question that has to be answered with "that depends"! Maybe someone else will have a more helpful answer. I rushed through the original post... I should have provided more details. The MT2 mating surface is not my worry at all as the MT2 driver we choose can have a tang or a draw bar set-up. So the mate will be tight and on brand new ground surfaces. It should't slip under any circumstances there... The MT2 does go to a 3/8-16 thread though and that thread is hardened and inserted into the back of another device. I'm worrying about the transition from the large diameter of the MT2 taper to teh 3/8-16 male thread. I think that the customer might be asking too much of it. Oh, ok. My Emco Emcomat lathe has the mill/drill attachment and it uses MT2 collets with 3/8-16 threads. There is an adapter that screws into the collet that mates with a smaller metric drawbar. I am sure the adapter is not anything special. I have never had any problem with either the adapter, collet or drawbar. I think the largest collet is 1/2 inch and I have used lots of 1/2" endmills. But recall using any very large drills with the unit. Use larger drill press for that. The lathe tailstock also uses MT2 and I have used Mt2 drills up to 1" there, but they will spin unless I use a vicegrip or something similar to keep them from turning and releasing. My thought is you will not have a problem. Paul |
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