Discussion on the reliability work in the production process of CNC machine tools

The center of reliability work is to design reliability requirements into products. Reliability work mainly includes:

(1) By adopting design methods such as derating design, simplified design and redundant design, combined with the performance design work of CNC machine tools, the occurrence of CNC machine tool failures is reduced, and the inherent reliability of products is improved. (3) The specification of verification, inspection and test for reliability shall be implemented on the basis of reliability requirements. (4) The reliability of purchased parts and outsourced parts must be consistent with the reliability requirements assigned to them. Through the research on the reliability of various CNC machine tools, the low reliability of purchased parts and external parts is a common problem in domestic CNC machine tools and must be solved. (5) Establish a reliability model and estimate and assign reliability indicators.

The center of reliability work is to make the reliability level of CNC machine tools meet the design requirements through manufacturing and assembly:

(1) Reliability test of key components. (2) Reliability stress screening. (3) Reliability data collection and analysis in production. 14 Installation and commissioning phase Installation and commissioning of CNC machine tools for delivery to users. The focus of reliability work is to maintain the inherent reliability level of CNC machine tools. (1) Acceptance test. (2) Collection and analysis of reliability data. (3) Early failure test to control early failure.

The main task of reliability work in the operation and maintenance phase is to monitor the product's characteristics and reliability growth. The main tasks are:

(1) Reliability measurement test. (2) Reliability field test. (3) Collection and analysis of user reliability data. Because the price of CNC machine tools is relatively expensive, the user's usage is complicated, the user's usage can most accurately reflect the reliability level and fault conditions. Collecting and analyzing user reliability data is an important basis for the reliability design and manufacturing improvement of CNC machine tools.

(Finish)

PVC Edge Banding

The main function of the edge banding is to seal the cross-section of the board, so as to avoid the damage of the board and the adverse factors (mainly moisture) in the process of use and prevent the formaldehyde inside the board from volatilizing, and at the same time achieve the effect of beautiful decoration.

The product has the following main features: smooth surface, no blistering, no ribbing, moderate gloss, smooth surface and back surface, uniform thickness, uniform width, reasonable hardness, high elasticity, good quality, strong wear resistance, trimmed and sealed The color of the side and the side is close to the surface color, not whitish, good gloss, and the overall color of the finished furniture is coordinated.

PVC furniture edge banding is relatively light, which is relative to metal and plexiglass. The reason for the lightness is not because it is a polymer compound, but because they are organic compounds, which are composed of carbon, hydrogen, oxygen, and chlorine. And other lighter elements.
The material of pvc furniture edge banding is plastic, which is easy to process. Plastic has plasticity, that is, it deforms after heating or pressurizing, and maintains its original shape after the temperature drops or the pressure disappears. It can be processed into edge bands of their respective shapes by extrusion and other methods, such as T-shaped edge bands, H-shaped edge bands, D-shaped edge bands, V-shaped edge bands, I-shapes, and so on.
pvc furniture edge banding is of high quality and low price, and the price of plastic is far less than that of metal.

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