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Cheap 1500W Chinese spindle, experiences? Any good
John
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The benchtop machine I am building (moving table, fixed gantry, ground ballscrews, nsk slides, brushless motors) rapids at 2000+ IPM and can probably cut near that speed, but lets say 500IPM to be safe. I want to use it to do some 3D profiling in soft materials (wax, delrin, wood, milling foam) but the only two spindles I have right now are a Bosch 1617EVS 20,000 rpm router and a 10k Taig spindle driven by a 500 watt 5000 rpm brushless motor geared up 2:1.
Obviously at 500IPM with a 1/16" ballnose cutter I would want to go a lot faster than 10,000 rpm?
What would you buy or build as a spindle for this machine for under $500? Or just go painfully slow with the Taig spindle and motor setup I already have?
Keling has an 8000-24000 rpm spindle for $549.
http://www.hossmachine.info - Gosh, you've... really got some nice toys here. - Roy Batty -- http://www.g0704.com - http://www.bf20.com - http://www.g0602.com
Cool, I read through the threads and those look reasonable...I hate the made in China part, but..
Hey, so what do you think of these?
http://seattle.craigslist.org/est/bfs/1048885537.html
located just a few miles from me....but how do you mess up 4 new spindles in 36 hours???
hard to tell in the pics, but those look like spindle motors.. as opposed to spindles. meaning i dont think they have a tool holder taper.Originally Posted by KTP
not to mention that if they are blown up, sounds like they didnt know what they were doing, either thier wiring was fouled up, or they were trying to use them on a controller that wasnt designed for them, and then damaged them internally...
and i reallyh dont like that part about you gotta take them all and ther 50 each...
Grizzly X3, CNC Fusion Ballscrew kit, 3 500oz-in bipolar steppers, 3 203v Gecko's, Linear power supply from Hubbard CNC, Mach 3, BOBcad Pro Art V22, Rhino.
Ah yes, I didn't look close enough at the pictures to see that they probably are not spindles, but just brushless motors.
I am still not convinced of the quality of the chinese spindles. I would much rather have something made in germany or japan, but I guess that is not going to happen for $500
made in germany sticker adds $5000.Ah yes, I didn't look close enough at the pictures to see that they probably are not spindles, but just brushless motors.
I am still not convinced of the quality of the chinese spindles. I would much rather have something made in germany or japan, but I guess that is not going to happen for $500
i think the typical high speed kits available from nsk, kavo, jaeger, precise etc all run over $4000 for anything usable on a mill. thats for spindle, motor and vfd. occasioanlly you can find them used on ebay for a little less, but not $500.
theres a company that was in the chinese spindle thread that makes some interesting stuff... chinese made too of course, but appear to be much more high quality with many more features and options. they have a small 24000rpm 1hp air cooled spindle with a mounting block and fan. its only 2x3x7" so it seems possibly ideal for small mills (like my kx1). im going to email them for more info. i think its an er16 collet which would be fine for me.
they have bigger ones (and a smaller one) as well including water cooled going up to 10hp.
http://www.protec.com.cn/Product.asp...ctro%20Spindle
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