Aluminum extrusion die failure and treatment methods

【China Aluminum Network】 Profile due to thermal expansion and contraction, after discharge, its specifications will be smaller than the specifications of the mold about 1 m = 10 h. Square tube, round tube, the new model comes first to measure the wall thickness uniformity, and then look at the work with flat, can we begin to use or repair.

1. Faster (drums up): fast-moving areas or slow-moving areas, grinding guides (slow down) in the feed direction on the fast side of the work, or discharge guides on the slow side of the work. Narrow the work belt (speed up);

2, slow (recessed, there are slow drums): slow-moving place or blocking place, the same as above (solid and hollow in the same aluminum profile, solid slower than the beginning of the hollow discharge, and later to keep up a)

3, the material is not fast, and then it is fast and false: the work is uneven, let it run in the direction of slow, let it work with a flat;

4, the material is not slow, then slow to false and slow: work with uneven, let it go in the direction of grinding, let it work with a flat;

5. Distortion with teeth: Grind it in the opposite direction of its twist (because which direction you are going to wear, it will be twisted in which direction);

6. The grooved groove is small and large: grind a storage hole on the side of the work belt near the groove, and conversely block the area around the area;

7. There are scratches in the profile: The new mold nitride test mold after the first guide before polishing, bad, work with garbage;

8, aluminum alloy ribs: mold work with cracking, flushing, a small scratch solution to return the factory maintenance, with a grinding pin around the work around the scratch with a flat grinding, let it dimple;

9, uneven wall thickness: knock on the side of the mold wall thickness, grinding thick side of the wall;

10. Radiators and similar radiators are slow and fast: Slowly open the storage hole near the crest of the tooth and block it sooner.

11, with a screw hole and almost the same kind of hole slow, fast: open guide plate hole, polished hole work belt, plug flow hole.

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