RepRap Stepper Motor Driver v2.3 Fan Mount by adrian-bowyer 3d model
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RepRap Stepper Motor Driver v2.3 Fan Mount by adrian-bowyer

RepRap Stepper Motor Driver v2.3 Fan Mount by adrian-bowyer

by Thingiverse
Last crawled date: 3 years ago
The RepRap stepper driver (http://reprap.org/bin/view/Main/Stepper_Motor_Driver_2_3) runs fine with most steppers. But if you run it at its highest current (near to the maximum of 2A) the driver chip will get pretty hot.
The fan mount will allow you to attach an ordinary 12v CPU fan (34mm hole centres) to the stepper driver board to cool the driver chip. If you want you can use heatsink compound to stick a small SMT-type heatsink to the top of the chip to improve cooling even further.

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