As we all know, usually inGuangdong Stainless Steel CastingIf you are not careful, the module will be scrapped. The formation of scrap not only delays the staff's time, but also wastes the material of the module. But now our country has initiated energy-saving production, which is affected by the national policy. Now many of Dongguan's precision casting industry structures are transforming towards energy conservation and environmental protection. So what are the methods for energy-saving production in precision casting? The following summarizes a total of six points:
1. Save materials and try to reuse them. Because the production of any material requires energy.
2. Precision casting enterprises produce large-scale production, that is, the output value of each casting unit is above 5000t. Because the output value of the enterprise is large, the working time of the furnace is long, and the heating energy consumption of the furnace itself can be greatly reduced by spreading the energy consumption per ton of precision castings.
3. Improve the management level and reduce the rejection rate. For example, for a precision casting plant with an annual output of 5,000 tons, every 1% drop in the scrap rate is equivalent to an extra 50 tons of precision castings. Based on an energy consumption of 400 kgee per ton, 20 tons of standard coal can be saved a year, which means a reduction of 4 kgee per ton of precision castings. Energy consumption.
4. Use optimized design and optimized technology to improve the production rate of Dongguan precision castings. Under the premise of ensuring the quality of precision castings, changing the gating system and using heat-preserving risers can generally increase the export rate. If the export rate can be increased from 60% to 70%, the energy consumption can be reduced by 14.3%.
5. Adopt high compactness molding machine and modern core-making skills to reduce the quality of castings and reduce the machining allowance as much as possible. Practice has proved that high-pressure molding can reduce the quality of castings by 3%-5% compared with manual molding and general machine molding, and the machining allowance can also be maintained at 2-3mm. Reducing weight not only saves energy in the precision casting workshop, but also reduces the energy consumption of subsequent processing.
6. Adopt energy-saving technological process and rationally organize production. For example, use self-hardening resin sand or surface dry type instead of clay sand drying type to save the energy consumption of drying the mold; strict ingredients, determine the appropriate composition of precision cast steel, adopt effective inoculation programs, and eliminate castings in the as-cast state. To revoke the graphitization annealing process for the white or hard spots on the upper part; to implement as-cast ductile iron, the elongation after fracture is required to be obtained in the as-cast state; try to use the frequency harmonic oscillation aging process to remove the reduction Stress thermal aging process.
Learning these will increase the power of the enterprise and save costs.
Dongguan Chengmao Hardware Products Co., Ltd. is an excellent domestic supplier of investment casting and precision machining. In the more than ten years since its establishment, we have been focusing on developing and improving the dewaxing casting process. The factory has established a superior production management system in accordance with the ISO9000 standard. Now it has more than 150 employees and an annual output value of more than 600 tons. The products are supplied to domestic and European and American customers at the same time. We have accumulated rich experience in the production of precision casting rough parts and machined finished parts made of various stainless steel, carbon steel, alloy steel and other materials.
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