BotMill's Blog

A relatively straightforward assembly, start by taking the gear for the X-Axis and mounting it on the motor shaft. We suggest lightly tapping a hammer and using something as a barrier between the hammer itself and the gear. You can use anything you’d like, however we suggest a pair of needle-nose pliers. For this gear, you want to drive it all the way down the shaft, so the belt will be as closely lined up to the bearings as possible. This will limit friction once the belt is on and ensure smooth lateral movement of the X-Axis. Set aside.
It is now time to prepare the X-End Bracket for assembly. Start by installing the four X Bar M3 clamp pieces. You want to fasten the clamps by using M3x20 screws, fortified with washers and secured with M3 nylock nuts. Note that this is applied only to the outer holes, as the inner holes on the clamp pieces will be reserved for motor attachment. Be sure to keep the M3 nylock nuts loose, as in a short time you will be sliding the X-Axis smooth rods through them for final X-Axis construction. Once secured, you can go ahead and install the motor.
To install the motor, you want to make sure the wires that extend out of the motor are facing towards the back of the machine once built. . Secure the motor with four (4) M3x20 screws, being sure that all four screws are tightened into completely into the motor. Once that’s done, we can focus on the four bearings.
Use four (4) M4x16 screws on the outer perimeter of the X End Bracket to attach the bearings. The process is exactly the same as the X-Axis Idler bracket, however on the motor bracket will do this four times as opposed to twice for the Idler. The sequence is as follows: cap-screw head-washer-X End Bracket-washer-bearing-washer-M5 mudguard washer-M4 nylock nut. Be sure to tighten these fully. This completes construction of the X-Axis Motor Bracket.