Delta-Pi redesigned top clamp and idler assembly with tensioner
Description
The Delta-Pi Motor Mounts Allow The Stepper'S Position To Be Adjusted Vertically By A Few Mm, Thereby Adjusting The Gt2 Belt Tension, However This Is Far From Practical Since The Steppers Are Mounted Under The Base. Once The Printer Is Assembled And Running It Is Highly Unlikely That It Can Be Disassembled / Decommissioned For Such Trivial Maintenance As Adding A Little Bit Of Tension To One Of The Gt2 Belts. I Started Thinking About This A Couple Of Weeks Ago And This Week I Began Writing Some Openscad Code For A Much More Convenient System To Adjust The Tension In The Gt2 Belt Of Each Column Using An Extra Assembly Placed On Top Of The Printer, Whereby The Belt Tension Is Adjusted Simply By Turning A Knurled Knob. This Is The Result. It Can Be Retrofitted To Any Delta-Pi And I Am Going To Use It For My Modified Delta-Pi Which I Am Still Assembling. Openscad Sources Are Included So The Thing Can Be Further Remixed. Update 18/03/2015: New Openscad Source File With Option Of Simple Microswitch Or Makerbot-Style Mechanical Endstop For The Top Clamp.
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