There are so many stepper-belt drive 3D printer right now but most of them are not so accurate.
While the motor changes the moving direction, the tiny gaps between belt and gears and elasticity of the belt are making your printer stacks the error on your product. It might be not very obvious while you making the small stuff. But while the project is bigger--like a 20 hours' project, the error will be kinda of unacceptable.
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The real-time closed-loop motion control system invented by Panowin has completely solved this problem. With a simple grating tape design, Panowin F3CL will monitor and recording the motion system all the time while the printer is working. Even if you accidently move the structure, shut down the power, the printer will always goes back to where it should be and continue the printing.



For more details please contact with sales@panowin.com