Problem
|
Solution
|
|
Depth-of-cut notch
|
1. Avoid built-up edge.
2. Increase the tool lead
angle.
3. Maintain speed and
decrease feed rate simultaneously.
4. Ensure proper insert
seating.
5. Increase coolant concentration.
6. Depth of cut should be
greater than the work-hardened
Layer resulting from the
previous cut (>0,12mm/.005").cnc
9. Use strongest insert
shape possible.
10. Program a ramp to vary
depth of cut.
|
Depth-of-cut
notch
|
Built-up edge
|
1. Maintain sharp or
lightly honed cutting edges.
Use ground periphery
inserts and index often.
2. Increase speed.
3. Increase feed.
4. Increase coolant
concentration.
|
Built-up
edge
|
Torn workpiece surface
finish
|
1. Increase feed and reduce
speed.
2. Use positive rake, sharp
3. Increase speed.
4. Increase coolant
concentration.
|
Torn
workpiece surface finish
|
Workpiece glazing
|
1. Increase depth of cut.
2. Reduce nose radius.
3. Index insert to sharp
edge.
4. Do not dwell in the cut.
|
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Wednesday, May 28, 2014
What are the Problems facing while machining titanium & Troubleshooting
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