Vibration-ultrasonic broaching machine and broaching method for key parts of aero-engine

An aero-engine and key technology, used in broaching machines, broaching machines, metal processing equipment, etc., can solve the problems of many processing procedures, complex shapes, low processing efficiency, etc., to improve processing quality, optimize clamping rigidity, and have Good for chip breaking and chip evacuation

Active Publication Date: 2020-01-31
HANGZHOU DIANZI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the complex shape and many processing steps, there are generally major problems such as low processing efficiency.

Method used

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  • Vibration-ultrasonic broaching machine and broaching method for key parts of aero-engine
  • Vibration-ultrasonic broaching machine and broaching method for key parts of aero-engine
  • Vibration-ultrasonic broaching machine and broaching method for key parts of aero-engine

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Embodiment Construction

[0031] The present invention will be further described below in conjunction with accompanying drawing.

[0032] A vibration-ultrasonic broaching machine used for key parts of aero-engines, including a broaching machine body 1, a workbench 2 and a controller.

[0033] Such as figure 1 and 2 As shown, the broaching machine body 1 includes a broaching machine drive motor 1-1, a bed 1-2, a first bearing 1-3, a first bearing seat 1-4, a broaching machine guide rail 1-5, a broaching machine screw 1- 6. Broach clamping components 1-7 and ultrasonic broach. Two broaching bed guide rails 1-5 are all fixed on the bed 1-2. The first bearing block 1-4 is fixed on one end of the bed 1-2. One end of the broaching machine screw 1-6 and the first bearing seat 1-4 form a rotating pair through the first bearing 1-3. The broaching machine drive motor 1-1 is fixed on the bed 1-2, and the output shaft is fixed with one end of the broaching machine screw 1-6.

[0034] Such as figure 1 and 2...

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Abstract

The invention discloses a vibration-ultrasound broaching machine for key parts of an aero-engine and a broaching method of the vibration-ultrasound broaching machine. An existing broaching machine formachining the key parts of the aero-engine is poor in chip breaking capacity. The vibration-ultrasound broaching machine for the key parts of the aero-engine comprises a broaching machine body and aworkbench. The broaching machine body comprises a broaching machine drive assembly, a lathe bed, broaching machine guide rails, broach clamping assemblies and an ultrasound broach. The ultrasound broach comprises an ultrasound transducer, a broach body and broach clamping sections. The workbench comprises a bottom platen, an upper platen, a two-axis drive assembly, an R-direction drive part, a vibration assembly, a mounting disc and an auxiliary clamping assembly. The vibration assembly comprises a swing shaft, a vibration motor, spring limiting assemblies and a swing platen. The spring limiting assemblies comprise swing spring, limiting columns and limiting nuts. As vibration and ultrasound are combined, high chip breaking and discharging capacity is achieved on the broaching machine.

Description

technical field [0001] The invention belongs to the technical field of intelligent manufacturing, and in particular relates to a broaching machine and a broaching method for machining key parts of aero-engines, especially the mortise and groove of turbine disks of aircraft engines, by using vibration and ultrasonic composite technology. Background technique [0002] The key parts of aero-engines, especially the mortise and groove of aero-engine turbine discs, work in the harsh environment of high temperature, high pressure, and high speed. Most of these parts are made of difficult-to-machine materials such as superalloys, powder superalloys, and titanium alloys. The parts have complex shapes, high dimensional accuracy requirements, strict technical conditions, and high requirements for the surface quality and surface integrity of the parts. It directly affects the service life and safety and reliability of the engine. On the other hand, due to the large demand for aero-engi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23D41/00B23D41/06B23D41/02
CPCB23D41/00B23D41/02B23D41/06
Inventor 陈国金朱妙芬陈昌袁以明许明龚友平毋少峰
Owner HANGZHOU DIANZI UNIV
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