The Shop > Electronics & IC Programing
DRO questions
j45on:
Chris
I was hoping to squeeze a small scale and diy aluminium cover in there on the rear of the x axis :dremel:
I might lose 10mm of y travel but it would keep the scale away from the gib adjusters and mainly the locking screw.
Well that was my plan anyway :lol:
EDIT I have pre ordered a DRO-550 board Thanks for the advise guys :beer: :nrocks:
As for scales I have not decided yet but I have a while to consider my options.
j45on:
--- Quote from: z3t4 on February 19, 2011, 10:21:50 AM ---Hi Jason
I've used Scott Shumate's DRO 350 (on an ml7 with glass scales from Allendale, who are great) and a DRO 550 with hacked caliper scales on a mill.
I wouldn't just use the caliper scales 'as-is' because they would constantly be whinging about swarf and coolant. They need to be wrapped up nice and comfy just like the glass scale heads are, so the heads need to be removed from the case and LCD, then supported in a carrier (I used Delrin) which holds it at the right separation from the scale and protects it from swarf etc. Finally the scale needs to be protected against swarf and coolant.
To keep costs down I used the replacement caliper heads from china (virtual village, < a fiver each) and Wixey tablesaw DRO tape for the caliper track, mounted on ally extrusion. The DRO 550 is an excellent bit of kit. Scott developed it as a labour of love and there was so much interest on the Yahoo group that he ended up getting a load of 4-layer SMD boards made and organised a group buy. It's not a commercial product. The deal is you get your DRO board and kit for about £150 including post and customs robbery, Scott makes nothing on it (unless you choose to leave him a donation, which I think nearly everybody did) but if the boat sinks or you fry the board or it's lost in transit, then it's your problem, not his. Some children failed to understand this.
I see on the Shumatech Yahoo group that the microprocessor that he uses is likely to be available again soon, so probably he will be ordering another group buy. If I wanted another DRO I'd be getting my name down on the group buy list.
HTH
Regards,
John
--- End quote ---
Hi z3t4 John
I would love to see some pictures of your scales :worthless:
Did you get your "Wixey tablesaw DRO tape" from the UK ?
picclock:
@zt34
>>To keep costs down I used the replacement caliper heads from china (virtual village, < a fiver each)
Do you have a link for them ?. I broke the glass on my 30" ones when something slipped :(
Made a new one out of plastic from a cd case but would quite like to replace it.
Apart from the remote readout what other useful functions do the shumatech boards offer ?
Best Regards
picclock
kwackers:
Hi Picclock,
Probably best to have a scan of the user manual.
http://www.shumatech.com/web/products/opendro/guide
j45on:
Picclock try here http://www.virtualvillage.co.uk/callipers-and-precision-tools
they seem to be out of the cheep ones
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