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Working principle of slow wire processing

 Slow wire walking, also called low-speed wire walking, is a kind of CNC machining machine tool that uses continuously moving fine metal wire as an electrode to pulse spark discharge on the workpiece to generate a high temperature of over 6000 degrees, ablate metal and cut into a workpiece. The principle of wire processing is the phenomenon that there is a gap between the wire electrode and the workpiece, and the metal is removed by continuous discharge. Since the slow-moving wire cutting machine adopts the method of wire electrode continuous feeding, that is, the wire electrode is processed during the movement, so even if the wire electrode is worn out, it can be continuously supplemented, so it can improve the machining accuracy of the parts and slow the wire. The surface roughness of the workpiece processed by the cutting machine can usually reach Ra=0.8μm and above, and the roundness error, linear error and dimensional error of the slow-moving wire cutting machine are much better t

Hydrostatic guideway of CNC machining lathe

The static pressure slide rail (TTW guide) of the CNC machining lathe transfers the oil with a certain pressure through the throttle to the oil cavity between the sliding surfaces of the slide rail (TTW guide) to form a pressure oil film to float the moving parts , Make the sliding rail (TTW guide) surface in a pure liquid friction state.   CNC machining General CNC machining usually refers to computer digital control precision machining, CNC machining lathe, CNC machining milling machine, CNC machining c17200   beryllium   copper   and milling machine, etc. The feed route of finishing is basically carried out along the part contour sequence. Therefore, the focus of determining the feed route is to determine the feed route of rough machining and idle stroke. In the numerical control processing, the control system issues instructions to make the tool perform various motions that meet the requirements, and the shape and size of the workpiece are expressed in the form of numbers and lette

Classification of CNC Machining Occupation Levels

1. Blue-collar layer:   That is, CNC machining operation technicians, proficient in machining and CNC machining process knowledge, proficient in the operation and manual programming of CNC machine tools (attributes: automated machine tools), understand automatic programming and simple maintenance of CNC machine tools (attributes: automated machine tools), such There is a large market demand for personnel, and they are suitable for operating workers of CNC machine tools (attributes: automated machine tools) in the workshop, but due to their single knowledge, their wages will not be much higher.   2. Gray collar layer:   One, CNC machining programmer:   Master the knowledge of 5 Axis CNC machining Aluminum   technology and the operation of CNC machine tools (attributes: automated machine tools), be familiar with the design and manufacturing expertise of complex molds (title: mother of industry), and be proficient in 3D CAD/CAM software, such as UG, GOOGLE PRO/E, etc. ; Familiar with CNC

Auto parts drive a new strategy for reasonable implementation of calibration

The question of where the standards implemented for auto parts are marked is actually clearly stipulated in the “Regulations on the Implementation of the Standardization Law” and the “Product Marking Regulations”. Article 24 of the “Regulations for the Implementation of the Standardization Law” stipulates that the standards implemented by the products produced by enterprises should be marked on the product or product manuals and product packaging.

Article 5 of the “Product Marking Regulations” requires that, in addition to product instructions, product labels should be marked on the product or product sales package: Article 3 requires that laws, regulations, regulations and mandatory national standards and industry standards If there are other regulations on the labeling of the logo, the regulations shall be followed at the same time.

Carefully understand the provisions of the above laws and regulations, we can come to the following conclusions: **, product identification (here refers to the standards implemented by auto parts) should be marked on the product, or the product’s sales packaging soil, or the product manual. Second, the product labeling is marked by the manufacturer’s choice of labeling method. The choice on the product, the sales packaging soil, and the manual _L are all legal, and you can choose one of them. Third, under special circumstances, if the product has special regulations, rules, and mandatory standards, and there are special requirements for labeling the implementation standards, the company should comply with it at the same time.

Some auto parts are very big, some are very small, and there are tens of thousands of kinds. Which must have standards, must mark the standards implemented. We know that automobiles are composed of tens of thousands of parts. In the production process of automobiles, raw materials are first processed into parts, assembled into parts and assemblies, and then formed vehicle.

Many parts and components only have production technology and processing technical conditions in the production process, but there are no standards. These parts and components only exist in the production enterprise and will not exist or circulate as independent parts in the market, so there is no need for these parts By formulating separate standards, companies can rely on internal quality management and quality control to ensure their quality.

Another part of the auto parts, due to the wear, aging, and consumption of the car during use, needs to be used separately in the car after-sales service. Automobile production companies need to prefabricate and reserve these parts and distribute them to their own or social automobile service departments for after-sales repair and maintenance. At this time, these parts and components have become circulated commodities and should be produced and sold in accordance with relevant standards.

China's “Standardization Law” and “Standardization Law Implementation Regulations” stipulate that “the following technical requirements that need to be unified shall be standardized: (1) The variety, specification, quality, grade or safety and hygiene requirements of industrial products: (2) Industrial The methods of product design, production, inspection, packaging, storage, transportation, and use. “It can be seen that the auto parts delivered by auto manufacturers to auto repair and maintenance units have become independent products. Standards should be formulated and they should be marked in accordance with the law. The standard on which the production is based.

Our company also directly imports automotive mold parts from abroad for use in car service. Sometimes we also purchase auto parts imported by them from domestic dealers (manufacturers). What are the regulations for implementing standard labeling of these parts? The auto industry has a kind of inertial thinking, because there are many imported models of well-designed vehicles. I thought the imported things were good things. Indeed, most imported auto parts are good things. However, Chinese companies lack the awareness of standards when buying imported products. Although some products are imported, domestic companies have not yet fully understood the standards for imported products. If there is a dispute over the quality of imported cars and parts, their standards will become The problem.

If the auto parts should be marked with the implementation standard and our company does not indicate the level of punishment according to which laws and regulations, the auto parts should be marked without the implementation standard, and the company will be subject to corresponding administrative penalties.

Conclusion Although the issue of implementing standards is marked on the products produced, there has been controversy in the revision of the Standardization Law. But the author believes that companies will not run into trouble if they act in accordance with current laws and regulations. Enterprises strengthen the standardized management of auto parts and make clear the implementation standards of parts and components, which is beneficial to the protection of the enterprises themselves and the protection of auto consumers.

The automotive parts and parts machining, PTJ Shop offers the highest degree of OEM service with a basis of 10+ years experience serving the automotive industry. Our automotive precision shop and experts deliver confidence. We have perfected the art of producing large component volumes with complete JIT reliability, backed by the quality and long-term reliability our customers expect.

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