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Sorry Steve to, again answer to Sw3Dp within your build: The Servos had only been mentioned as these offer the best solution if you are willing...
Hi, problem with steppers beeing their rpm/torque curve. With the 5mm pitch leadscrew in the example above the motor only turns 200 revs per min....
Hi sw3dp, if we are talking (still) leadscrews: At 5 mm pitch, on a 16mm leadscrew, a stepper only needs to put out 1,65 Nm to generate 800 N of...
Okay here is a tip for you that might even be of use -LOL forgot that i my previous posts... You could get some more z with only a minor change....
Hi, did not know your expierinece with welding... with me it would be quite the other way round. I avoid welding as much as possible for knowing...
Hi, funny as more one thinks about it the more all machines (like cars / planes) become more similar each itteration. I quite like your design as...
Edited a typo above: of course 9,5/ m min not 95 m/min :rolleyes: Hi, didn`t try to offend you. I do not own an ox, the machine i use you see...
Hi Prauk, just a hint: in the vid your cutting speed does look much to slow... cutting mdf is basically cutting up dust back into its original...
Hi, nice build. One thing though: By using even smaller than 20 tooth spurgears you increase the load onto the shaft of your Nema greatly....
One more thought ... ore two... A bigger extrusion of course uses more aluminum and thus it is more expensive...but buying them double and...
Hi, a late reply about the heavy extrusions: Simply use the bosch / Item compatible aluminum extrusions. There is a wide variety to be had... the...
Hi, now that you have stiffend up the gantry sides your z-axis now is your weak spot. I would originally suggest to lower your z to the minimum...
Hi, why going thorugh the trouble of "bonding" two/ three / four insufficient extrusions togehter while still not achiving the desired? designing...
unfortunately more expensive...
NO no, of course you didn`t mention servos. Didn`t try to offend you. I merely wanted to mention the difference. Its just not as steppers could be...
Hi, First off: Stepper motors and servo motors are completly different and not to be mixed up. Stepper motors are designed to run quite low rpm....
Haha, so here on openbuilds we use a standard which is absolutely uncommon in the world of cnc? the origin of the axes comes from the so called...
Thanks for your input. So i would have had to publish this as a build in order to atribute a licence? Right? If so i would have choosen CC BY-NC...
Having no firsthand experience with the ox extrusions but i still voice my opinion. To simply lenghten the machine would not be a big problem but...
Hi, thanks for clarifying... of course i am aware of the situation in general, but actually i was in search of these CC and other licensing you...
