A cladding-assisted electric heating torsion forming device and method for a blade

Abstract

The invention discloses a cladding plate assisted electric heating torsion forming device and method of a blade, and relates to the field of material processing engineering. The torsion forming device includes a base, a torsion assembly, a heating assembly, a feed assembly, and upper and lower cladding plates; the torsion assembly includes a pair of motors and torsion fixtures symmetrically arranged on the base; the heating assembly includes a high Frequency pulse power supply and two electrode chucks connected to the power supply; the feed assembly includes a servo motor and a ball screw; the upper and lower cladding plates are respectively arranged on the upper and lower surfaces of the blade. The cladding plate assisted electric heating torsion forming device and method provided by the present invention rationally adjusts the heating interval by controlling the thickness, strength, electrical conductivity and other variables of the upper and lower cladding plates, so that the blades are heated more evenly, and effectively avoids damage to the blades during the twisting process. Uncoordinated deformation problems, improve the dimensional accuracy and performance quality of the formed blades, and also greatly improve energy utilization and production efficiency.

Description

technical field [0001] The invention relates to the field of material processing engineering. Background technique [0002] In response to the continuous demand for lightweight and safety in aerospace, transportation and other fields, more high-strength and lightweight materials are applied to complex components. With the improvement of material strength, the difficulty of manufacturing most difficult-to-deform materials at room temperature increases significantly, and the forming defects are even more difficult to control. Especially for the twist forming of turbofan blades in aero-engines, it generally needs to be carried out in a heated state to improve the machinability of the material. [0003] In the traditional high-temperature torsion forming process, the heating method is integral heating, that is, the torsion device and the billet are put into the furnace body for heating, and the representative ones are as follows: [0004] In a Chinese invention patent publishe...

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Problems solved by technology

[0008] In view of the above problems, the present invention proposes a cladding-assisted electric heating torsion forming device and method with high energy utilization rate, short heating time and high forming efficiency, which makes the blades heated more uniformly and improves the deformation of the blades during the twisting process. uniform problem

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