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Forum: MechMates already cutting Thu 11 February 2010, 19:49
Replies: 382
Views: 225,181
Posted By bradm
Yes, that looks like a good match. Of course,...

Yes, that looks like a good match. Of course, you're really only talking about 3 components beyond the $50 transformer itself - two capacitors valued at about $6 each, and a rectifier valued at $3,...
Forum: MechMates already cutting Thu 11 February 2010, 13:17
Replies: 382
Views: 225,181
Posted By bradm
The KL34H260-60-4A has only four wires, and is...

The KL34H260-60-4A has only four wires, and is 465 oz/in. You get it wired Bipolar Parallel whether you like it or not.

The KL34H260-42-8A has eight wires, and is 400 oz/in if wired the same way...
Forum: MechMates already cutting Wed 10 February 2010, 18:42
Replies: 382
Views: 225,181
Posted By bradm
Okay, just to back up my ramblings above: I...

Okay, just to back up my ramblings above:

I have PK296A2A-SG7.2 motors running just fine with the G540 wired half-coil.

From OM, the PK296A2A-SG7.2 specs are:
Torque 44 Lb/In = 704 oz/in...
Forum: MechMates already cutting Tue 09 February 2010, 21:06
Replies: 382
Views: 225,181
Posted By bradm
John, I just looked at the inductance and torque...

John, I just looked at the inductance and torque numbers quickly when pointing out that motor as a possibility; I'll try to do a full workup on that motor later (I don't trust or believe the...
Forum: MechMates already cutting Tue 09 February 2010, 07:55
Replies: 382
Views: 225,181
Posted By bradm
John, that transformer voltage seems a touch high...

John, that transformer voltage seems a touch high for your design target; 45VAC * 1.42 = 63.9 VDC. If you want 40VDC, you need a 28VAC transformer. For 45VDC, something around 32VAC.

I usually...
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