Monday 25 August 2014

CNC....continued



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This week I've found time to make the control unit for my CNC router. It's standard Longs stepper controllers with a switch mode PSU and a parallel port break out board.

I 3D printed a mount for the connectors to the stepper motors and limit switches, and I've wired using bootlace ferrules to make it a bit neater.



The mains connection to the PSU was open, so I 3D printed a small cover for it on my Mendel90:

Friday 8 August 2014

CNC Router..continued



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I've been really busy with LaserTag stuff..but recently I've had chance to resume my CNC router project.

This last week I plucked up enough courage to drill the £75.00 worth of aluminium I bought for the Y axis, it's 1500 x 550 x 15mm in size:


My simple Clarke pillar drill is woefully inadequate for this job.

Stage one was to spray mount a 1:1 2D print, (using my A0 printer), of the holes that I needed to drill in the ali plate:



Using an optical centre punch and the large bench at HacMan I centred all the holes. My colleague Ian at work drilled, counter bored and countersunk the holes impeccably using the Bridgeport vertical miller we have there:



Need to plumb in the motor next...