3dpBurner - Z Axis Sidegrade
Description
This Sidegrade Allows You To Mount A Prusa I3-Compatible X Carriage While Also Gaining A Z Axis. Why Call This A Sidegrade? Well, Adding Two Additional Motors Does Make The Whole Thing A Lot Heavier And Thus Lesser Suitable For Engraving As You Have To Tone Down The Speed A Bit. As I Mainly Use My 5W Laser For Cutting I Was Able To Half The Amount Of Passes My Materials Required And Gained The Ability To Focus My Laser To The Tiniest Spot Possible. Tips ------- - Keep Your Z Rods Short So The Structure Remains Stiff. - The Bearings And Rods Are A Tight Fit, This Is Done On Purpose. - Check The Length Of Your Z Motors; About 50Mm Is The Maximum You Get Away With. Materials ------- - 2X 8Mm Rods With A Maximum Estimated Length Of 200Mm - 2X Nema17 Steppers (Make Sure They'Re Not Too Long!) - 8X 20Mm M3 Bolts To Secure The Additional Steppers To Their Mounts - 2X Whatever You Want To Use For Setting The Z Axis Height. I Used The Classic M5 Rods. All Prusa I3 X Gantries Should Be Compatible With This Design. I Modified The One In The Picture To Have The Motor In-Between The Two Mounts As I Was Running Out Of Space In My Enclosure. Installing This Sidegrade Should Cost You Roughly 25Mm On Your Y Axis. I'Ve Included The Source File In Case You Want To Modify The Design. Enjoy!
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