Printrbot Simple Metal Z-Nut Mount for 8mm Trapezoid
Description
I Had To Replace My Printrbot Simple Metal'S Imperial 1/4" Z-Rod And Z-Nut Due To Failure Of The Delrin Z-Nut, And Printrbot Doesnt Sell The Part Anymore. This Part Allows You To Mount A 8Mm Trapezoid'S Brass Z-Nut Onto The Printrbot. This Mount Places The Z-Nut Up Against The Bottom Of The Assembly, So Push Forces Are Used Against The Znut-To-Bracket. Requirements: * Trapezoid 8Mm Rod + Brass Nut / Delrin Nut * 5Mm To 8Mm Coupler * 2X Button Head M3 Bolts 8Mm And 20Mm Dont Forget To Re-Calibrate Z Travel With M92 Command!!! For Me This Was "M92 Z269.44" Calibration: Set M92 Z To Something Reasonable, Like 269.44 Attach A Digital Caliper To The Z As Pictured, So The Depth Testing Pin Can Move Freely While The Caliper Body Remains In-Place. You Should Be Able To Do At Least 30Mm Travel. Raise Z 1Mm, Using The Printer Controls, At A Time Until You Make Contact With The Depth-Testing Pin. Then Zero The Caliper. Raise Z 10Mm At A Time, Then Do The Math. New Z Steps = Expected / Observed * Current Z Steps ( Where Z Steps Is Your M92 Z Setting )
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