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四、制模工艺 根据锌基合金冲裁模具的冲裁机理和锌合金材料的性能特点,目前有四种不同的制模工艺方法:铸造法、挤切法、镶拼法和工艺凸模法,各种制模方法都有其特点,根据制件要求选择采用。 1.铸造法制模工艺 利用硬材料凸模直接浇注锌合金凹模的方法称铸造法。它适用于形状简单、中等尺寸、各种料厚的冲裁零件(照片图十三略)。考虑合金热量对模架变形的影响,对于20公斤以下的锌合金凹模,可以采用在模架内直接
Fourth, the mold process According to the punching mechanism of zinc-based alloy blanking die and the performance characteristics of zinc alloy materials, there are currently four different molding process methods: casting method, squeeze cut method, insert spell method and process punch method , A variety of modeling methods have their own characteristics, according to the requirements of the workpiece selection. 1. Casting process modeling process using hard material direct injection of zinc alloy die punch punch method. It is suitable for simple shape, medium size, a variety of materials thick blanking parts (photo 13 is slightly omitted). Considering the impact of alloy heat on the deformation of the mold, zinc alloy die below 20 kg can be used in the mold directly