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Hi guys
First of all I want to apologize for my English, so if I made some terrible mistakes or something doesn`t make sense please let me know:)
This is the PCB mini drill. It`s my first design so if you come across some problems feel free to contact me or leave a comment. Also I am sharing my SolidWorks 2014 files so if you want you can make changes to model of your own. The motor holder part is designed to be removable, so it can be redesigned to hold another type of the motor.
The following hardware will be needed to assemble the drill:
M8 (13mm) nut
M8 x 130mm threaded rod (1x)
8 x 150mm rod (2x)
6 x 70mm rod (1x)
6 x 100mm rod (1x)
Spring (1x)
Motor (39mm in height, 29mm in diameter) , or some other but the motor holder part must be changed to fit different motor ( You can find these motors in some old printers )
and search for this on ebay :
8Pcs 0.5-3mm Small Electric Drill Bit Collet Micro Twist Chuck Tool Kit CC
Assembly instructions :
1. Print all necessary parts ( I suggest using 30% honeycomb infill , supports only if the are needed and 10mm brim at least for the body part)
2. Get ready the metal parts and the motor
3. You fill need to finish the body part with 8mm (8.1 or 8.2) drill, to fit the 8 mm rods tight but free to move.
4. Stick the 8 mm rods to the stand, insert height_wheel into back of the stand and insert the treated rod trough middle hole on the stand a try to screw it into the height_wheel ( no need to glue it )…
