The wiring layout of the cast iron welding platform directly affects the complexity of flatness data processing and the accuracy of flatness error measurement. From the point of view of data statistics, if you want more reasonable and reliable measurement results, you should make full use of the measurement data provided by the measurement points during data processing, and these measurement data reflect objective reality. At the same time, the distribution of the measurement section and the measurement points should be compatible with the principle of evaluating flatness errors. When it does not conform to the principle of evaluation, it should be considered to facilitate the base transformation of the measurement results.
cast iron welding platform
Several points should be paid attention to when casting the cast iron welding platform:
1. Place the thin-walled part with a large area in the lower part of the mold, and at the same time try to make the thin-walled stand or tilt the pouring, which is conducive to the filling of the metal. It puts the thin-walled part of a large area of the scribed cast iron platform under the casting, so that this part can be filled with the mold under the higher pressure of the molten metal to prevent insufficient pouring.
2. The high-quality surface or main processing surface on the scribed cast iron platform should be placed under the mold. If this is not possible, the surface can be placed on the side of the mold or placed obliquely for pouring.
3. For some scribed cast iron platforms that need to be fed, the thicker section should be placed on the upper or side of the mold. This facilitates the placement of risers on the thick wall of the lined cast iron platform, resulting in good sequential solidification, which is conducive to the feeding of the lined cast iron platform.
4. For the lined cast iron platform with mud core, the mud core should be placed firmly and easy to inspect when the box is closed. Due to the long and insufficient rigidity of the mud core, the mud core is bent and deformed under the buoyancy of the molten metal. If it is changed to vertical pouring, the above-mentioned undesirable situations can be avoided.
The machining accuracy of the cast iron welding platform surface is accomplished by scraping and grinding technology, and the impact of scraping and grinding on the service life of the vibration test platform cannot be ignored. With the scraping technology of the welding platform, the accuracy of the welding platform surface can be further controlled. In order to improve the service life of the welding platform and ensure its working accuracy, it is recommended to control the scraping or control above 0.02mm. It can ensure that the vibration test platform has a long service life and verification period.
There should be no more than four blocked parts on the working surface, and the distance between them should be no less than 80mm. The surface of the vibration test platform should be cleaned with sand, and the surface should be smooth, the paint should be firm, and the edges should be blunt. The scraping technology is to manually correct the shape and roughness of the welding platform surface. The guide rails, carriages and other related parts of the machine tool are all processed by the scraping technology to complete the precision processing.
The service life of the welding platform is relatively long. As long as the correct protection and protection measures are taken, the accuracy of the working surface of the marking platform can be maintained for more than two years. As long as the welding platform is used, be careful not to perform processing operations in damp or corrosive materials, high or low temperature, so as to protect the welding platform, increase the service life, and ensure the quality of work.