MINITECH
CNC Mini-Mill User's Guide
as possible, move the X and Y axes to approximate centers
3. Remove the table top by un-securing the bolts at each top-end of the table.
4. Complete the following procedures for all three couplers
5. Turn the coupler so that you can see the two set screws. Loosen the set screws with the
proper Allen wrench. You do not need to remove the set screws from their tapped holes -
just one or two turns.
6. Remove the four socket cap head screws from that attach the stepper motor onto the
frame of the Mini-Mill.
7. Carefully withdraw the stepper motor with the coupler attached to the motor from the lead
screw. Pull in through the hole opening without any sideways motion.
8. Examine the coupler and its secures to the stepper motor shaft. Notice that between the
coupler and the motor face is a set of thrust bearings. Make sure the thrust bearings have
no play in between the coupler and the motor face.
9. If there is any spacing between the thrust bearings, loosen the coupler's set screws and
push coupler onto the motor so there is no spacing.
10. Re-tighten coupler by tightening both set screws a little at a time until both become tight.
Do not tighten one all the way and then the other.
11. Replace the motor onto the Mini-Mill.
12. Tighten the two set screws attaching the coupler to the threaded lead screw Lubricating
the Machine Make sure to lubricate the machine. Lubrication frequency will depend on the
environment and the use of the machine.
Lubrication directions are below.
1. Use lithium grease and/or 3and1 oil on the rails on the X,Y, and Z.
2. Use 3and1 oil on the ball screws. It will be necessary to remove the way covers to gain
access to the ball screws.
3. Also use 3and1 oil on the rotary axis there is an oil port on the face of the rotary table.
© 2012 Minitech Machinery Corp. 31
Содержание Mini-Mill Series
Страница 24: ...MINITECH CNC Mini Mill User s Guide 2012 Minitech Machinery Corp 24 Figure 15 Figure 16 Figure 17 ...
Страница 33: ...MINITECH CNC Mini Mill User s Guide Drawings of the Machine Components 2012 Minitech Machinery Corp 33 ...
Страница 34: ...MINITECH CNC Mini Mill User s Guide Drawings of the Machine Components 2012 Minitech Machinery Corp 34 ...