Repair measures for broken high-speed shaft of ore powder ball reducer:
In order to reduce the impact on the production of ore powder ball press, we recommend using “drilling and planting” mosaic method to repair.
The broken gear shaft is machined and drilled on the broken end face, with a diameter of 100mm, a depth of 110mm, and a counterbore diameter of 150mm and a depth of 4mm. The purpose of the counterbore is to match the flatness. One shaft head was machined with 45-gauge round steel. The diameter of 160mm on the shaft head was originally a shaft sleeve, which is now treated as a whole. Pay attention to the length of each part of the shaft head to ensure the same as the original gear shaft. The shaft hole 110mm selects an interference fit, and the interference amount is 0.06mm. According to the expansion amount, an oxygen-acetylene gas torch is used to uniformly heat, and the temperature of the gear shaft hole can be increased by 50 ° C to meet the installation requirements. In addition, a hole with a diameter of 8mm is drilled at a position 10mm away from the axial center of the shaft head to discharge the air in the hole after installation.
The shaft head can also be quickly fitted by the hot-loading method. When installing the reducer, care must be taken to ensure the original installation dimensions. The coupling must also be adjusted for concentricity. The oil supply pipe at the bearing should be checked and cleaned. One of the oil holes in the bearing should be aligned with the oil supply pipe port. Always turn on the oil supply system to make the bearings fully lubricated before turning on the machine. The method took 8 hours, and after 2 months of full-load operation after repair, almost no abnormalities occurred. To ensure safe operation, after the new shaft arrives, remove the original shaft and install the new shaft.
Zhengzhou Dongfang Heavy Machinery Co., Ltd. specializes in the production of ball presses, briquette ball presses , dry powder ball presses , desulfurized gypsum ball presses, mineral powder ball presses, and coal powder ball presses. We have always maintained the business philosophy of survival by quality and development by integrity, and everything is based on the interests of customers. Inquiries: 0371-88885089 0371-67169912 Ball press equipment network: http://bjkrui.com (lh)
Xinzhong Machinery is a joint-stock enterprise focusing on production machinery, integrating scientific research, production and sales. The company area is located in Zhengzhou Mazhai Economic Development Zone, covering an area of 60,000 square meters, with more than 35,000 square meters of standard workshops, more than 180 main processing equipment, and more than 1,000 online employees. Mainly produces ore powder ball press , hydraulic ball press , briquette ball press , dry powder ball press , desulfurized gypsum ball press , fire-free brick machine , road tile machine , sand making machine , ball mill , Raymond mill , Impact crusher and other products. Welcome new and old customers to visit and guide.