Linear Actuator

Update 6/15/2108 added the 2020 version (endstop/non-endstop) fusion 360 files. Update 3/2/2018: LinearActuator v50 added screws and t-nuts to design redesigned the beltGrip and Linear Adapter for added strength and better fit Uploaded f3d, Iges, Step files Linear actuator with belt running inside 2020 extrusion Idler adapter has tensioner spring built-in End stop built-in Current video shows Nema 17 0.4 which can run at 11000mm/min before skipping. More can be achieved with higher torque steppers parts used: 8020 1003 series: http://amzn.to/2ByZ5in belt tensioner spring: http://amzn.to/2BeLDDD endstop: http://amzn.to/2D4nJrt stepper nema 17 0.4A: http://amzn.to/2BcKMDc Linear Rail MGN12 250mm: http://amzn.to/2B2l5Br Square nut: http://amzn.to/2BzGaE2 hex socket screws M3: 25mm: http://amzn.to/2BflUuQ 20mm: http://amzn.to/2D44E8Z 6mm: http://amzn.to/2B05XV9 10mm: http://amzn.to/2CU2zvc 15mm: http://amzn.to/2D6SBb9 M4 8mm: http://amzn.to/2CMkRyN Idler 3mm bore: http://amzn.to/2yXaXYP 2020 t-nut M4: http://amzn.to/2GdZubW GT2 timing belt: http://amzn.to/2Byy2Uk Other grabcad models used in design: https://grabcad.com/library/timing-pulley-gt2-20-teeth-5mm-bore-2 https://grabcad.com/library/endstop-microswitch-1a-125vac-design-by-makerbot-1 https://grabcad.com/library/mk8-extruder-1