Cindy@njprecisionengineering.com

Quality requirements and cost performance of large-scale mechanical processing, Nanjing Precision Engineering Co., ltd

by:NJPE     2020-02-16
Large-scale mechanical processing needs to control the quality of raw materials in the process of processing. Its high-quality raw materials are the prerequisite for the production of high-quality products. Our company uses 40Cr and 45 steel to manufacture gears. No matter what method is adopted, raw materials must undergo strict chemical composition inspection, grain size measurement and purity evaluation after arriving at the factory. Its purpose is to adjust the heat treatment deformation in time and improve the quality in tooth profile processing. In order to be able to handle and prepare for its organization, 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 a certain extent use station equipment, heat and cool the workpieces evenly. It is strictly prohibited to pile them together. Control gear precision: basic requirements for gear precision: After practical verification, gear precision must be controlled at GB10995- 887 ~ Level 8, gear with linear speed higher than 20 m/s, limit deviation of Tooth pitch, radial runout tolerance of gear ring and tooth direction tolerance should be stable to reach level 7 accuracy. Large-scale mechanical processing is very important for the construction of this city, so its workload is very large, and the amount of processing required every day is very large, if raw materials that can be recycled are selected as much as possible during processing, energy-saving, environment-friendly and low-consumption processing machines can be used, which will produce less pollution and take a long time, when the machinery needs to be updated, it can also be recycled to the relevant departments for re-production. Such a production concept is required for mechanical processing, at present, many companies need to buy a lot of machinery for their own business. They will also consider energy-saving and environment-friendly machinery. Of course, they also take a fancy to the cost performance of the products. The quality needs to be guaranteed, compared with other preferential prices, they have no resistance to such products. In general, large-scale mechanical processing has very strict requirements for its employees. Generally, it needs to complete the task within the specified time. In the process of production, the process of tilting and the conversion 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. However, in order to ensure the normal operation of the technological process, the manufacturing of cutting tools and fixtures and the adjustment and maintenance of machine tools are auxiliary processes. In the technological process, the processing method of Dalian large-scale mechanical parts gradually changes the shape, size, relative position and performance of the blank in a certain order, the part of the process until it becomes a qualified part is called a machining process.
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