Process method for manufacturing rotor shielding sleeve by mechanical processing

Abstract

The invention relates to a process method for manufacturing rotor shielding sleeves by mechanical processing; a square box (6) is installed on a workbench (7), a V-shaped iron (5) is installed on the square box (6), and the V-shaped iron ( 5) Horizontal to within 0.02mm; the rotor shielding sleeve (4) is installed on the V-shaped iron (5), and a 3mm thick oil-resistant rubber plate (2) is wound around the outer circle of the rotor shielding sleeve (4), and the oil-resistant rubber plate (2) is wrapped with tape (1) The rubber plate (2) is fixed, and the rotor shielding sleeve (4) is fixed on the workbench (7) with the shrink band (3); the inner hole of the rotor shielding sleeve is roughly and finely machined with a bridge type boring tool (10) on the boring machine, The boring parameters are cutting depth 0.05mm, feed rate 0.1mm, speed 80-100r / min; leave 0.05mm margin for the final size of the inner hole of the rotor shielding sleeve, assemble the self-made rolling cutter (8) on the main shaft of the boring machine, roll The inner hole of the rotor shielding sleeve (4) improves the smoothness. The invention can realize one-time clamping of the rotor shielding sleeve on the boring machine, complete the processing of the inner hole of the rotor shielding sleeve, and ensure the size tolerance, shape tolerance and smoothness of the inner hole.

Description

Technical field: [0001] The invention relates to a process method for manufacturing a rotor shielding sleeve by mechanical processing. Background technique: [0002] The rotor shielding sleeves used in shielded motors are mainly manufactured in two ways: spinning process and plate welding and rolling process. The thickness and size of the rotor shielding sleeve manufactured by the spinning process are not uniform, and the straightness is poor. After being assembled on the rotor, there will be overall runout difference, which will affect the subsequent dynamic balance of the rotor and even affect the overall operation of the motor, reducing the service life; the plate welding and rolling process manufacturing The welding quality of the rotor shielding sleeve is difficult to control, and the performance deviation of the weld seam and the heat-affected zone is relatively large. After being assembled to the rotor, defects such as bulges and wrinkles are prone to occur under pres...

AI Technical Summary

Problems solved by technology

The thickness and size of the rotor shielding sleeve manufactured by the spinning process are uneven, and the straightness is poor. After being assembled on the rotor, there will be overall runout difference, which will affect the subsequent dynamic balance of the rotor and even affect the overall operation of the motor, reducing the service life; the sheet metal welding and rolling process manufacturing The welding quality of the rotor shield sleeve is difficult to control, and the performance deviation of the weld seam and the heat-affected zone is relatively large. After being assembled to the rotor, it is easy to have defects such as bulges and wrinkles under pressure, which will affect the operation of the motor and even cause accidents; in order to ensure that the shielded motor The performance and stability of the rotor shielding sleeve requires a new rotor shielding sleeve manufacturing process

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