Stamping waste, leftover bits and pieces

Answer 1

The stamping process would produce waste materials. It had the following characteristics:
- Large quantity: The stamping parts factory produces a wide variety of stamping parts. Each product contains many processes, and the amount of leftover materials produced in the factory is very large.
- Scattered production: The stamping parts processing plant produces many varieties in large quantities. There are many punching machines in the stamping workshop. Each punching machine has different processes. Basically, each process will produce scraps.
- Complex composition: The processing materials mainly include carbon steel, stainless steel, aluminum, copper and other metal materials. The composition of the scraps is complex. The materials of the same composition have differences in thickness and mechanical properties. The force after punching will also change the material properties. Different pressures and processes will change the material.
- Diverse shapes: metal stamping parts processing processes include cutting, cutting, punching, forming, etc. The shapes of the scraps produced by different processes are different, and the shapes and size of the scraps produced by different products and processes are also different.
- Quick update: The stamping parts factory processes a variety of products every day. The production of a product produces a kind of leftover material. After changing the mold, the situation of the leftover material will change.

In terms of material utilization, the material utilization rate of stamping processing was 70% - 85%, which could achieve less or even no waste production. In some cases, the leftover materials could be fully utilized. In terms of business, Nanpi County had a large number of requests for stamping materials, deformed materials, cold plate materials, auto parts scraps, and stamping waste. Wuxi City also had relevant requests. At the same time, Weijie Die obtained the patent for the residual material recovery mechanism of the stamping die. The recovery mechanism includes the die seat, the collection groove, the discharge port, the material frame, the grid plate, and the vibration mechanism (including the connecting rod, the driving motor, etc.), which can realize efficient and rapid separation of waste materials, prevent blockage, and ensure the smooth discharge of waste materials for collection. In terms of recycling of recycled resources, the city of Shen Zhen had formulated technical guidelines for the sorting of recycled resources. The technical guidelines for the sorting of scrap metal covered the requirements for collection, sorting, and storage. Stamping scraps, as part of the scrap metal, were applicable to these guidelines. There were also companies that conducted project bidding for the processing of residual materials at the corner of the mold center. They had different requirements for bidders according to different types of residual materials (such as Grade A residual materials, Grade B waste materials, Grade B+ residual materials, scrap iron, etc.).

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