INNSE company established in 1887. There are over 100 years experience in machine tool manufacturing, unified professional, providing incentives and advanced technology to ensure the best products are always maximum reliability in the standard and professional design in the world every place, its after sales service can be guaranteed. Italy INNSE-BERARDI company belonging to the Italian Camozzi Group Camozzi Group is divided into five parts of automation, machine tools, textile machinery, machine tools and energy division which Camozzi Group constituted by two companies:.. INNSE-BERARDI Company (Italy) and INGERSOLL Machine Company (USA), where Italy INNSE-BERARDI company has a strong and leading technology patents, unique in the world machine tool industry. Grinder spindle bearing repair process of the program a spindle and bearing of detection 1.1, disassembly and static pressure within the wheel frame spindle bearings, spindle and bearing the parts cleaned, carefully check whether there is irreparable spindle defects, confirmed that no cracks, only to see the long-term Characters formed using a wire wear, determined to repair use; 1.2, mapping the spindle and bearing, and draw machining spindle and bearing drawings and assembly drawings; 1.3, according to the spindle and bearing wear rehabilitation program determined as follows: Check the spindle wear after the measurement more serious, processing and bearing to match needs 1.5MM, determine the way bush update fixes the spindle with the old coat and oil distributor profit rehabilitation program. 2, spindle repair: 2.1, rough grinding spindles, worn wire traits signs of wear. 2.2 spindle low heat setting. 2.3 spindle nitride heat treatment. 2.4 spindle lapping treatment center hole. 2.5, ultra-fine grinding spindle processing. 2.6, the end face of the spindle bearing installation location for 3 finishing, grinding spindle bearing production: 3.1 spindle bearing centrifugal casting. 3.2 spindle bearing temperature heat treatment. 3.3 spindle bearing roughing processing. 3.4 spindle bearing low temperature heat treatment. 3.5 spindle bearing fine car processing. 3.6 spindle bearing heat styling. 3.7 spindle bearing oil chamber, finishing hole. 3.8 spindle bearing rough grinding, fine grinding. 3.9 Complete the spindle and bearing cold assembly process. 3.10 spindle bearing grinding, fine grinding (B spindle test rods need to make an inspection sets a Party to provide a wheel chuck). 3.11. The spindle bearing size value gap with ultra-fine grinding. 3.12 spindle bearing jacket and cleaning rinse, dry, oiled test equipment. 3.13 spindle flush within the bearing assembly adjustment. 4.2, the test work, start hydraulic system; 4, factory commissioning 4.1, spindle assembled, the connection test hydraulic system idle test, manually rotate the spindle, the spindle is detected floatation volume, require floating quantity 0.02-0.05mm by rotating the spindle motor, requiring the same static pressure chamber pressure gauge readings, pressure is stable, smooth, vibration-rotation of the spindle, spindle diameter hop skip and end within the accuracy range, if not meet the need for further adjustments to meet the technical requirements. 4.3, after passing fill in the commissioning report and certificate, after playing packing, shipping.