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CHANGES AND TYPING ERRORS RESERVED CHANGES AND TYPING ERRORS RESERVED
12. TroUbleshooTinG
Problem Possible cause Possible solution
Surface of work piece too
rough
Tool blunt Resharpen tool
Tool springs Clamp tool with less overhanging
Feed too high Reduce feed
Radius at tool tip too small Increase radius
Work piece becomes coned Centers are not aligned (offset tailstock) Adjust tailstock to the center
Top slide not at 0-mark when cutting Align top slide to 0
Lathe chatters Feed too high Reduce feed
Play on main spindle bearings Adjust main spindle bearings
Center runs hot Work piece has expanded Loosen tailstock center
Tool has a short edge life Cutting speed too high Reduce cutting speed
Feed too high Reduce feed
Insufficient cooling More coolant
Flank wear too high Clearance angle too small Increase clearance angle
Tool tip not adjusted to center high Correct height adjustment of tool
Cutting edge breaks off Wedge angle too small Increase wedge angle
Grinding crack due to wrong cooling Cool sufficiently
Excessive play in spindle bearing Adjust play
Cut thread is wrong Tool clamped incorrectly Adjust tool to the center
Wrong pitch Adjust
Wrong diameter Turn work piece to correct diameter
Spindle not active Emergency stop activated Unlock emergency switch
13. spare parTs
Figure 46 – Headstock
No. Description Specification Quantity
1 Label 1
2 Screw ø 4 x 10 6
3 Bolt 2
4 Nut M10 4
5 Nut M10 2
6 Spindle 1
7 Key 8 x 45 1
8 Gasket 1
9 Bearing 1
10 Headstock 1
11 Nut M10 1
12 Washer ø 10 2
13 Screw M8 x 25 2
14 Bearing 2007109E 1
15 Gasket 1
16 Bush 1
17 Gear 1
19 Belt 1
20 Spindle pulley 2
21 Set screw M5 x 12 1
22 Washer 2
23 Nut 1
24 Screw 4
25 Bracket 1
26 Screw 4
27 Washer 4
28 Motor 1.0 kW 1
30 Motor pulley 1
22


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