4M rotor

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4M rotor

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4M rotor

1. During the riveting process of the rotor bracket, in order to ensure the thickness of the magnetic yoke after processing, the process of processing the magnetic yoke in combination with the front rotor core is adopted. At present, the overall bonding process of the 1.5mw, 2.0mw and 2.5mw rotor brackets adopts the process measures of machining the rotor core and pairing with the magnetic yoke, which effectively ensures the uniformity of the roundness of the yoke after welding and the wall thickness after processing.
2. The anti-corrosion operation of the rotor bracket is strictly in accordance with the requirements of Goldwind C5-M grade, and all the thermal spray zinc operations are carried out. In the zinc spraying process, an automatic adjustable speed rotary zinc spraying equipment is designed, the workpiece always rotates at the same speed, and the workers only move up and down with the spray gun, which reduces the labor intensity and effectively guarantees the thickness and uniformity of the zinc layer. 3. The rotor bracket is blasted with an automatic shot blasting room. The workpiece rotates at a fixed rate on the rotating frame, and the steel sand is automatically ejected, which ensures the uniformity of the roughness after blasting, and is also conducive to the welding slag and other debris in the closed cavity of the rotor. The investigation that caused the abnormal noise.
4. The large flange of the 2.0 rotor bracket and the groove of the yoke are machined and formed, which ensures the consistency of the groove size and the uniformity of the gap of the butt ring seam, making the welding seam more beautiful and effectively controlling welding deformation. The thickness and roundness of the yoke after welding, and the wall thickness of the yoke after machining is uniform.
5. In order to ensure the position of the fixed splint after welding of the 2.0 and 2.5 stator brackets, and avoid repeated measurement and disassembly during the riveting process, a special riveting tool for the fixed splint was made, which was made by wire cutting to ensure that the position of the fixed splint was not greater than 2mm. After drilling, the maximum deviation of the hole center from the center of the fixed splint is 1mm, and the product consistency is good. Highlights of Shandong Longma stator and rotor bracket
6. 2.0 After welding the middle flange of the stator bracket and the middle partition plate, the inner, outer circle and plane are processed to make the fixed splint closely fit on the outer circle of the middle partition plate to ensure that its indexing center coincides with the center of the flange in the workpiece , After processing the outer circle of the fixed splint, the thickness and uniformity of the fixed splint can be guaranteed. After the middle flange is plane processed, it is used as the positioning reference for the axial dimension of each ring plate of the stator bracket.
7. 2.0 The inner hole of the 2.0 stator bracket locking pin fixing sleeve has a high finish. The high-speed boring tool is used, and the imported blade guarantees the finish.
8. The theodolite is used for the inspection of the axial riveting size of the 2.0 stator bracket
9. The tooling used for the rotor bracket is regularly inspected for flatness and measured by theodolite.
10. The 2.0 stator fixed splint is ground boring, and the center hole is pre-drilled to ensure the hole position.

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