![]() Nema 34 motors (overkill for z axis, but i.ve bought a kit of 4 a few years ago, I.ll get a nema 23 kit sometime in the future). ![]() ![]() It is a 5/5 machine (1.5m/1.5m) made of 2.3 inches (6cm) steel tubing, and aluminium plates. Here are the photos I.ve promised 4 weeks ago. The extra 1.7% current should not be a problem Then I expect you can safely set the motor current to 5.7A Setting the motor current to 4.9A instead of 5.6A will do two things Set to ON the motor will run hotter but should be OK I expect sw4 sets the current reduction when the switch is set to OFF and the motor is idle ( not being stepped ) The motor can safely run at 70 to 80 degrees C - too hot to touch !Ī quick look on line did not find clear instructions for the setting of sw4īut going by a photo of your DQ860MA driver So the current does not go up when you mechanically load the motor as you may of expectedĭepending on which manufactures data sheet you look at With stepper motors the motor current depends on what you set by the DIP switches - sw1 to sw3 I can not see any thing wrong with how the stepper driver is set up
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