Richmat linear actuator gear (HJA)

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The Richmat linear drive gear (HJA series) is the first part to be damaged if overloaded or even worn over time. Here I designed it from the original and you can easily replace it with the damaged gear. Works really well, but don't forget to add grease and put it on the shaft properly. For better strength and wear resistance use PETG (not the best but in this case works better than PLA and ABS).