a1 Z-axis motor 2GT 20-tooth timing pulley
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Description
The timing pulley of the a1 Z-axis motor is plastic, and the connection in the middle is very thin. It's likely an anti-pinch design. If the Z-axis catches on a hard object while rising, it can cause the timing pulley to break, leading to the Z-axis being unable to move up or down. So I designed this timing pulley. No screws are needed for fixation, and it can be installed in the original way. However, the anti-pinch safety protection will be gone. Therefore, when the machine is rising, do not place your hand between the X-axis and the gantry to prevent pinching.
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