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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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15 hp lathe
convert to DC drive motor or VFD . I can get a 10 Hp dc 180 volt motor
and controller for about what i would pay for the VFD. its a monarch 20 x 54 , 1945 vintage |
#2
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15 hp lathe
Chris,
I do not know why you need the variable speed with that lathe. Maybe my memory is failing me, but I recall either that lathe having 18 or 24 different spindle speeds. I have a late model 18 x 54 Lodge & Shipley with a 15 HP motor and it has 24 speeds. If you still want to change, 10 HP is more than enough. I have a HP meter on my headstock and I have never used more than 5 HP even for the biggest cuts. Steve "Chris Henry" wrote in message .. . convert to DC drive motor or VFD . I can get a 10 Hp dc 180 volt motor and controller for about what i would pay for the VFD. its a monarch 20 x 54 , 1945 vintage |
#3
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15 hp lathe
Chris Henry wrote:
convert to DC drive motor or VFD . I can get a 10 Hp dc 180 volt motor and controller for about what i would pay for the VFD. its a monarch 20 x 54 , 1945 vintage A Monarch of that vintage would have 16 spindle speeds, hardly warrants a vfd. The best bang for a buck would be a bigger motor pulley & belts to speed up the spindle. The optional bigger hp Monarchs were usually slower than the standard models. 10 hp was standard for the 20 inch of that vintage. Tom |
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