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Discussion in 'CNC Mills/Routers' started by Retrosmith, Oct 29, 2017.
I like those drivers. They're a bit extreme though.
What about these instead High-Torque Stepper Motor, Stepper Motor, Driver, Stepper Motor kit, DC Servo Motor, DC Servo Motor kit, Stepper Motor Power Supply, CNC Router, Spindle, and other Components. Stepper Motor | Stepper Motor Driver | CNC Router | Laser Machine | 3D Printers For Sale
I think the 1.5kw spindles are a bit overkill for profile extrusion based hobby machines. The .8 seems to be a better balance between weight and power. I'm biased though as I own a .8kw and its been more than I've personally needed(Plus I did some FEA around it during the machine design). The cost difference between the two is nil so I don't blame many hobbiest for skipping over the .8kw.
Id like to hear more usage feedback from 1.5kw owners. So far it seems like beefing up the spindle axis for the weight makes up the meat of conversation around them.
It's nice you have a 30A circuit. You can add a nice dust collection unit.
A lot of forum members here are using common 1-1.5hp palm routers on their OX or cbeam and making greatness. A .8kw(1hp) spindle with a good vectoring vfd will out perform a 1.5hp brushed router any day.
Just my 2c.
The drivers I recommended are more than enough to drive those 2.8a motors and are $23 less. Unless you want to build another machine with nema 34s you'd be throwing $90 away on the 6a drivers. You could put that into a good power cable for the spindle. I highly recommend this cable:
Beldon VFD cable
It's good stuff.
Spindles are pretty nice. For the little extra hastle of setting them up and for the money it sure is nice to hear yourself think.
Buy a silver killcoil from Amazon. Use distilled water. Stick the killcoil in the end of one of the cooling tubes. I've done this and have used the same water for 2 seasons now...no growth in the water.
Also, check the ground in the spindle. Theyre usually not attached to anything internally.