Causes of sudden thread break in the cutting process
Jigs & Fixtures
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5, Increase production.
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(2) Inadequate feed adjustment, sudden change, frequent open circuit short circuit;
(3) improper use of the working fluid (such as the wrong use of ordinary machine tool emulsion), the emulsion is too thin, the use of a long time, too dirty;
(4) The pipeline is blocked and the working fluid flow is greatly reduced;
(5) The conductive block has not been in contact with the molybdenum wire or has been pulled out of the molybdenum wire, resulting in poor contact;
(6) When cutting thick parts, intermittently small or use working fluid that is not suitable for cutting thick parts;
(7) The performance of the pulse power clipping diode deteriorates, and the negative wave during processing is relatively large, which increases the loss of the molybdenum wire in a short time;
(8) The quality of the molybdenum wire is poor or the storage is poor, oxidation occurs, or the wire is damaged by using an inappropriate tool such as a small iron bar to stretch the wire;
(9) The speed of the storage drum is too slow, making the molybdenum wire stay in the work area too long;
(10) Improper selection of molybdenum wire diameter when cutting the workpiece.
Solution:
(1) Reduce the pulse width, increase the interval, or reduce the number of power tubes;
(2) Improve the operation level, adjust the feed properly, adjust the feed potentiometer, and stabilize the feed;
(3) Use wire cutting special working fluid;
(4) cleaning the pipeline;
(5) Replace or move the conductive block to a position;
(6) Choose a suitable interval and use a working fluid that is suitable for cutting thick parts;
(7) Replacement of clipping diodes;
(8) Replace the molybdenum wire and use the wire on the wire;
(9) Reasonably select the wire speed;
(10) Select molybdenum wire diameter according to the recommendation of the instruction manual.
The above is the reason and solution to the sudden thread break in the cutting process.
2, Jigs and fixtures in most case is built over night.
3, Damaged jigs and fixtures can be easily replaced; Implement tooling changes easily.
4, Less cost and time to replace if damaged.
