#robotics Logs

Jul 19 2015

00:02 solifugus Hence... two relays per motor is reasonable to think..
01:20 rue_shop3 1 relay, 1 fet
01:20 rue_shop3 fet does pwm speed control
01:20 rue_shop3 relay does reversing
08:53 veverak hmm
09:09 veverak well, it looks like finding
09:09 veverak what gear ratio/geared hub dia I need
09:09 veverak for making nice extruder
09:09 veverak will take sime time
11:29 rue_bed what do you know about what you need?
11:29 rue_bed veverak,
11:30 veverak well, finally I've got some usefull info
11:30 veverak so, I need to be able to make 4kg
11:30 veverak I mean, to able able to push fillament with power at least .... let's say 5kg
11:31 veverak and motor got torque 4.8kg/cm
11:31 veverak finally something I can work with :)
11:52 rue_shop3 did you know a properly working extruder hardly takes any force to operate?
11:53 rue_shop3 you hae never believed me on anything yet, so I dont expenct you to on this
12:05 rue_shop3 hmmmm, a brushless motor controller is almost exactly the setup I need for my multiphase pwm converter