[Lab] seeking feedback on steppers and spindle for my DIY CNC router

[Peter Sjoberg]

One quick note, I'm looking for a spindle also and currently I have my
eyes on this one
https://www.aliexpress.com/item/0-5kw-Air-cooled-spindle-ER11-chuck-CNC-500W-Spindle-Motor-52mm-clamps-Power-Supply-speed/32723658779.html
that one is a little more power for a bit less $ and on 11/11 aliexpress
has the world largest online sale that push it down a few more $$ so I
will order it then.

BTW, I'm also wondering about brush less or not and at firs I was
thinking it wasn't that much of a diff in price but then I realized that
the brush less kit came without power so after adding a power supply we
talking possible double the price or more.
/ps

On 06/11/16 09:48 PM, Olaf Baumann wrote:
> Hey there,
> 
> I'm making slow but steady progress on my CNC router project.  A next
> step is to decide on steppers/driver/power-supply and
> spindle/power-supply options.
> 
> For a 30cm x 30cm work area design intended for wood, plastic, and thin
> aluminium, here is what I have in mind:
> 
> stepper: NEMA-23, 270 oz-in, 3A, Wantai 57BYGH633
> driver: TB6560
> power supply: 350W 24VDC
> (kit on aliexpress [1])
> 
> ER11 spindle: 400W, 12-48 VDC, 3000-12000 r/min
> power supply: 48VDC
> (kit on aliexpress [2])
> 
> 
> I am told that a brushless spindle would be quieter and more accurate,
> but at half the price, I think I can get by with a regular brushed DC
> spindle.
> 
> The 270 oz-in steppers are stronger than I need.  I could go with
> smaller NEMA-17 78 oz-in steppers but I want to keep my options open for
> a larger build in the future.
> 
> Any feedback on these choices?  Also, if anyone has some (similar)
> hardware they no longer need, I'd be open to buying it.
> 
> regards,
> Olaf
> 
> 
> [1] stepper kit
> https://www.aliexpress.com/item/Free-ship-high-Nema-23-Stepper-Motor-270oz-in-3-0A-3-Axis-Board-3D-Printer/32710177767.html
> 
> [2] spindle kit
> https://www.aliexpress.com/item/400W-CNC-spindle-kit-DC12-48V-ER11-400W-air-cool-spindle-motor-DC48V-power-switch-ER11/32706401492.html
> 
> 
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