Orbiter mounting support for Flting Bear Ghost 5
Description
Mounting support for the Orbiter 1.5. I decided to buy orbiter over sherpa for the planetary gear and to challenge myself in to learning to design. it has been working flawlessly for months and after that testing time i decided to post my design here. here s a brief os the steps to follow to mount it correctly. i have tmc 2209 and i changed Vref to 0.25V. i am not sure with normal drivers what V to use, do a little research on google or start low as me and if needed add volts, just to be sure. connect the cables of the orbiter knowing that stepper motors have 2 windings and using the tester you should be able to find the in and out cable of each coil measuring a little resistance on them or continuity with the alarm function on the tester. when you identify the 2 couple of wire do a test before soldering to be sure you connected them with right polarity. if you connect them with wrong polarity you can change the orbiter rotation by changing a line on the firmware very easily. I post an image with what needs to be changed in the firmware. that isn t very precise, you will need to finetune it. usually stem/mm with that value are on point. for the build you will need a couple of heat insert nuts M3. i have build an enclosure and felt a little overheat in the motor so since my Vref was low and i didn t want to lower it too much i printed a cooler that uses a 30 mm fan: thing: 5205351. the fan goes in parallel with the heat sink's fan. use 24v fans, it has more than enough power. you will need to add the fan only is your printer is closed the orbiter s support weights less than 30 grams (with 25% infill) and works very well: sturdy and light at the same time. you will need to place a bowden between the orbiter and the nozzle, be sure to cut it at right lenght. i tryed printing in pla first and it worked for a month then the part in which are mounted 2 screws on the metal thing that bind the cable snapped so i printed it in abs and it is working fine so i suggest abs or petg(didn t try it). print on the preselected side, don t rotate. IMPORTANT: you will need to change the end gcode to make sure at the end of the print the printhead doesn t go in the y maximum point. i changed the end gcode like that and it s working good. basically the head stops at x5, y5 z50 .that s my complete end gcode G91 ;use relative coordinates G1 E-4 F1500 ;retract the filament G1 Z50 F5000 ;wipe G1 Z55 F1500 ;raise z G90 ;use absolute coordinates G1 X5 Y5 F5000 ;park print head it took me a lot of try to get on the final result so please if you print and like this give it a like :)
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