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Heat Treatment of Daily Necessities Mould from xiu's blog

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The heat treatment of steel moulds is an important means of hardness. Generally, after the rough opening of the Daily Necessities Mould(FURNITUREMOULD), the moulds are returned for finishing. The heat treatment during the processing will also be risky. Improper handling will cause cracks in the steel and scrap, resulting in abnormalities. The reasons for plastic steel materials are:

1. Daily necessities mould materials have severe network carbide segregation.

2. There are mechanical or cold plastic stresses in the daily necessities mould.

3. Daily necessities mould heat treatment is improper (heating or cooling rate is too fast, quenching medium is not properly selected, cooling temperature is too low, cooling time is too long, etc.).

4. Daily necessities mould has complex shapes, uneven thickness, sharp corners and fine threaded holes, which keep thermal stress and tissue stress too large.

5. Daily necessities mould the heating temperature of the mould quenching is too high to cause overheating or overheating.

6. When hardened, the tempering is not timely or the tempering time is insufficient.

7. When the daily necessities mould are reworked, quench heat without intermediate annealing.

8. Dirty grinding process for daily necessities mould heat treatment.

9. High tensile stress and microcracks in the hardened layer after heat treatment of the daily necessities mould.

Click Household Product Mould to learn about more information.


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