Spider Coupling - Printrbot Simple Metal
Description
Drop In Replacement Spider Coupling For Printrbot Simple Metal. My Simple Metal Came With A Flexible Helical Coupling For The Z Axis That Would Stretch Or Compress During A Print, Making The Z Axis Very Inaccurate, And Causing Uneven Layers. After Finding Out That A Flexible Helical Coupling On The Simple Metal Is Used For The Wrong Layout, As It Should Not Have Vertical Load On The Coupler, People Recommended A Spider Coupling Instead, As It Can Support Vertical Load While Still Allowing Twist Compression. This Is That Outcome - To Test This Theory I Designed And 3D Printed The Coupling Using Pla And The Spider With Ninjaflex-Semiflex To Allow For Flexibility. After Installing The New Coupling, New Prints Where Coming Out Better Than Expected, Z Axis Based Walls Were Smooth To The Touch Unlike With The Helical Coupling. Well Worth The Time And Effort Of Upgrading The Simple Metal.
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