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Planer conversion
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07-28-2017, 10:36 PM
Assuming I go through with my planer conversion I'll be needing a 9ft long linear scale for a DRO.
Any suggestions as to a supplier? I believe they should be available as the scales are cut to length after manufacturing.
07-29-2017, 09:44 AM
Make your own. A high res rotary encoder, an arduino and a display. I'll leave the mechanical fitting up to you.
Logan 200, Index 40H Mill, Boyer-Shultz 612 Surface Grinder, HF 4x6 Bandsaw, a shear with no name, ...
the nobucks boutique etsy shop | the nobucks boutique
07-29-2017, 10:02 AM
(07-29-2017, 09:44 AM)Vinny Wrote: Make your own. A high res rotary encoder, an arduino and a display. I'll leave the mechanical fitting up to you. I'd completely forgotten about them as its been a long time since I used a machine fitted out that way. Just need to pay attention to the backlash. Thanks 
07-29-2017, 11:12 AM
I have a Shooting Star DRO on the mill. Bought it before all the Chinese ones were out there. It uses a rack and rotary encoder. Has never missed a beat in 14 or 15 years.
Free advice is worth exactly what you payed for it.
Greg 
07-29-2017, 02:13 PM
My Bridgeport has DRO's that are a fine stainless steel cord wrapped around a drum connected to an encoder disc. The wire is tensioned by a spring, and wiped by a rubber wiper as it enters the drum enclosure. Been working faultlessly for 15 years now. These are the things:
http://bwelectronics.co.uk/modular-dros/...-displays/ No real theoretic limit to the length
Andrew Mawson, proud to be a member of MetalworkingFun Forum since Oct 2013.
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