In order to prepare for large-scale machining, it should be noted that in the process of normalizing or quenching and tempering, it is necessary to keep the temperature of the furnace uniform and to use station appliances to a certain extent to make the workpiece evenly distributed. Heating and cooling, it is strictly forbidden to stack them together. Control gear accuracy: Basic requirements for gear accuracy: It has been verified by practice that the gear accuracy must be controlled at GB10995-887~8 grade, the linear speed is higher than 20m/s gear, the limit deviation of the tooth pitch, the radial runout tolerance of the ring gear, the tooth direction Tolerances should be stable to grade 7 accuracy.
Large scale machining generally has very strict requirements for its employees. Generally, tasks need to be completed within a specified time. In the process of production, the process of tilting and the transformation of raw materials into products is directly related to the process. It includes blank manufacturing, parts processing, heat treatment, quality inspection and machine assembly, etc. In order to ensure the normal process of the process, the manufacturing of tools and fixtures, and the adjustment and maintenance of machine tools are auxiliary processes. In the process, the processing method of large-scale mechanical parts in Dalian gradually changes the shape, size, relative position and performance of the blank in a certain order, and the part of the process until it becomes a qualified part is called the machining process.