1 The new bolt and nut standard name has been deleted from the old standard name "A and B".
2 Thread specifications are preferred.
3 The new screw standard adds reference quality per 1000 pieces of steel screws.
4 Added non-ferrous metal bolts, nuts and screws.
1 The new standard specifies the tolerance of the nominal diameter d of the pin and adds tolerances that can be agreed upon by the supplier and the buyer.
2 The new standard adds to the requirements of surface treatment and phosphating for steel sales.
3 The new standard clearly states that all tolerances apply only to the tolerances before coating and plating.
Quality management should consider the actual situation of production, pay attention to the organic connection and cross-reference between different process quality records, and make it as simple as possible to meet the requirements, so otherwise the applicable forms will cause workers and managers to generate complicated documents. Coping with the psychology and coping with it leads to the weakening or even losing the quality record. What is the significance of such a quality record?
Strengthening the application of statistical techniques and improving the quality management level Statistical technology is a tool to ensure effective operation. Scientific application of statistical techniques can timely and effectively control and verify the capabilities of production processes and product characteristics. First, the enterprise should determine the statistical technology used according to the product characteristics and management mode. Through the analysis of various management tasks, determine which links and which quality system elements need to adopt statistical techniques, and detail the specific quality activities, production processes and inspection work. . The middle and lower level managers of enterprises are the main force in the application of statistical technology, but if the senior management of the enterprise has certain statistical and technical knowledge, it will help to improve their ability to make decisions and analyze problems, and also promote the application of middle and lower managers. Statistical technology. In this way, while improving the quality management level, it can also promote the application of statistical techniques.
Analyze and evaluate, improve quality on the basis of statistics, conduct analysis and evaluation, find out the main factors from many facts, and propose corresponding measures as corrective measures or preventive measures. In the subsequent product manufacturing, the quality will be continuously improved. To improve the management level, the operation of the quality system will be more effective, which will bring greater economic benefits to the enterprise. In summary, with the fierce market competition, establishing and maintaining an effective quality management system is not only the external needs of the enterprise, but also the internal management needs of the enterprise. The effective operation of the quality system requires the attention and participation of managers. The cooperation and implementation of all employees also requires appropriate production equipment and resources, advanced production techniques and control methods. The most important thing is to establish a corporate quality culture with full participation and continuous improvement.
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