The machining speed of the machine tool not only determines the machining efficiency, but also has an important influence on the machining quality of the parts and the tool life. The numerical control technology is developing in the direction of high speed and high precision. It has been widely used. 6 Application Practices Shandong Lieneng Mining Co., Ltd. has been strengthening the monitoring and management of vulcanized joints after using the steel cord belt conveyor in the main underground transportation roadway. Research and exploration of joint vulcanization process. For many years, in accordance with the joint vulcanization process, the dangerous joints of two steel cord belt conveyors used underground have been re- spliced ​​and vulcanized, all of which have achieved high quality requirements. After using the time up to 4, a, the joints were in good condition through long-term observation, no elongation change was found, and no other accidents occurred, which proved that the vulcanized joint process measures were successful. Therefore, it is necessary to strengthen safety awareness, strengthen the scientific management of strong conveyor belt vulcanized joints, and establish a series of management systems for inspection, analysis, and processing to achieve the goal of achieving efficiency in management.
7 Conclusion Steel cord conveyor belt vulcanized joint quality is an important factor in joint life and operational safety. In order to improve the quality of joint vulcanization and avoid joint fracture accidents, it must be strictly in accordance with the established vulcanization operation procedure, thereby improving the joint. The success rate of vulcanization extends its service life and reduces the running cost of the belt conveyor. In the vulcanization process, it must be strictly in accordance with the requirements of the process, especially when grinding steel wire rope, cleaning steel wire rope and film, brushing glue, can not damage the coating of steel wire rope, and can not be contaminated with oil and impurities; when painting gasoline and glue, it must be Strictly observe the requirements of the next process after drying in the first step; the place of the air inlet should be kept dry and clean, and no dust or coal dust should float in the air; in the return airway, the vulcanization of the joint should be taken. The moisture absorption measures prevent the water droplets from dripping on the film, and each mining work surface should stop working; for the vulcanization point with a large wind speed, measures such as adding a windshield curtain should be adopted to ensure the uniformity of the temperature of the vulcanization plate. In particular, it should be noted that the core strip should be evenly filled during the operation. The hygienic management in the process operation and the temperature maintenance and pressure maintenance in the vulcanization time should be strengthened, and neither the temperature nor the pressure can be reduced. This is to ensure the quality of the vulcanized joint. The key link.
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