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EVS Toolroom Lathes | S E R V I C E | For Machines Mfg. Since 7/09 |
Leadscrew End Play Adjustment
After a long period of time, you may find that the leadscrew develops a small amount of end play. This lathe is designed so that leadscrew end play can be easily removed with adjustment.
Tools Needed: | Qty |
Open End Wrench 1" | ............................................ 1 |
Hex Wrench 3mm | 1 |
Hex Wrench 5mm | 1 |
To remove leadscrew end play:
1.DISCONNECT LATHE FROM POWER!
2.Remove the three cap screws and end cover.
3.Loosen both retaining nut set screws shown in Figure 127.
Leadscrew
Retainer
Nut with Set
Screws
Figure 127. Leadscrew end play adjustment.
4.Engage the half nut lever.
5.Rotate the carriage feed handwheel back slightly and tighten the retaining nut at the same until the end play is removed.
6.Tighten both set screws and
Gib Adjustment
The goal of adjusting the cross slide, tailstock, saddle, and compound gib screws is to remove sloppiness in the ways without
In general, loose gibs cause poor finishes and tool chatter; however,
The gibs are tapered and held in position by a screw at each end. To adjust the gib, turn one screw a 1⁄4 turn clockwise and the other screw a 1⁄4 turn counterclockwise, so both screws move toward the same direction. Now test the feel of the sliding component by turning the handwheel, and adjust the gib screws as necessary to make it tighter or looser.
The gib adjustment process usually requires some
Figures 128–131 show the location of the screws for each gib on this machine.
Compound
Front Gib
Cross
Screw
Slide
Front
Gib
Screw