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| Chester 626 Mill |
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| kayzed1:
--- Quote from: John Rudd on November 24, 2015, 03:47:47 PM ---I'd start with a 1.5 hp motor. I guess its going to be a frame 90 size and should just bolt strategy ght on.Followed on with a 1.5 hp inverter and a small control pod for speed and direction control. If you can follow a simple schematic, all well and good....Pricewise, I think it can be done for under £300.....( how much?? :coffee: :coffee: :lol:) --- End quote --- Thanks John, so 1.5 hp motor will do and a 1.5 hp inverter, have i not seen the inverters output quoted as Kw's ? Ow! how do i measure the motor to get the frame size please? as the Chester book says " not a lot " it is side mounted in the vertical. Lyn. |
| Manxmodder:
Lyn, as I understand it the frame size is the measurement from the bottom/mounting feet to the shaft centre line. Some info here: http://www.gibbonsgroup.co.uk/blog/2014/06/how-are-electric-motor-frame-sizes-calculated ....OZ. |
| kayzed1:
Doh! my head hurts, just been looking for a motor and inverter thingy with remote the prices don't half vary, the IMO Jaguar cub thingies look to be easiest do you think...Well for a dummy like me any way. I will measure the motor in the morning to get the frame size.. and shaft size to.. Lyn. |
| kayzed1:
Any opinions on who to buy from and what make of kit? So many to pick from, what about pulleys, do you use the two v belts or go with timing type belts/pulleys where from. Q's Q's From what i can see online the spindle pulley would need to be big, the shaft is tapered and 48mm at the top and 51mm at the bottom, can't find one that size. |
| John Rudd:
I got my motor from one of the ebay sellers....engineers mate? Inverter, last one I got was £170 ish from same place I think..... :scratch: Invertek....nice little unit.. I retained the original pulley belt setup on both my Chester mill and more recently on my big lathe..... The mill has the belts on the third steps I think....I got a standard 4 pole motor(1400 rpm) and just wound the frequency up a bit on the inverter to get me to just over 2000 rpm...... On the lathe, that had a dc brushed motor rated at 1.5kw .....( oh yeah? ) so went with a frame 80 size 2 pole...( cos a 1.5 kw 90 frame was too big and heavy...) 2800 rom....again wind up the hz to get me near the original motor speed ( 4500rpm?).... In both conversions, I've no regrets at all....the ability to wind the speed up and down is great... Need any help from me? Just ask.... |
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