Curved surface electrolytic machining device and system
A processing device and surface technology, applied in electrochemical processing equipment, metal processing equipment, manufacturing tools, etc., can solve the problems of tool wear, high processing cost, difficulty, etc., to achieve uniform flow field, avoid short circuits, and avoid holes and holes. dead end effect
Active Publication Date: 2021-06-04
HOHAI UNIV CHANGZHOU
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Problems solved by technology
Due to the limitation of contour shape, high hardness and high precision, it is usually difficult to use traditional cutting methods for this curved surface, especially after hot finishing, the tool wear is serious, and the processing cost is too high
Method used
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Embodiment Construction
[0023] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0024] This embodiment provides a figure 1 The curved surface electrolytic machining device shown. The device includes a cathode 2 , a guide block 4 , a workpiece 7 and a base 8 . The upper end of the cathode 2 is connected to the feeding system 14 that can provide power for the feeding of the cathode 2, and the lower end can pass through the guide block 4 movably. The structure of the cathode is as follows: figure 2 shown. The workpiece 7 is fixed on the base 8 and is arranged under the guide block 4 , and the lower end of the cathode 2 is a curved structure protruding downward. The lower surface of the guide block 4 is provided with two radially extending chute, i.e. the first chute and the second chute, the width of the chute gradually narrows along the extension direction, and the thickness gradually increases. Such as image 3 shown. A channel thr...
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The invention discloses a curved surface electrolytic machining device and system. The curved surface electrolytic machining device comprises a cathode, a flow guide block, a workpiece and a base, the upper end of the cathode is connected to a feeding system capable of providing power for feeding of the cathode, the lower end of the cathode movably penetrates through the flow guide block, the workpiece is fixed to the base and arranged below the flow guide block, and the lower end of the cathode is of a curved surface structure protruding downwards. A first inclined groove and a second inclined groove which extend in the radial direction are formed in the lower surface of the flow guide block, the width of the inclined grooves is gradually reduced from the middle to the two sides, the thickness of the inclined grooves is gradually increased, a channel for electrolyte to flow through is formed between the lower surface of the flow guide block and the upper surface of the workpiece, the first inclined groove is connected with a liquid inlet, the second inclined groove is connected with a liquid outlet, and the inclination angle of the first inclined groove is larger than that of the second inclined groove. The flow field of a machining area is uniform, cavities and dead angles can be prevented from being formed in the machining area, and therefore short circuit between the cathode and the workpiece is avoided.
Description
technical field [0001] The invention relates to an electrolytic processing device, in particular to a curved surface electrolytic processing device and system, belonging to the field of electrolytic processing. Background technique [0002] A curved surface is an envelope curved surface formed by sweeping curves of spherical contours. This curved surface is applied to the pressurization device of the vehicle braking system. The curved surface is usually quenched by heat treatment. The effective hardening layer depth is 0.8-1.5mm, and the surface hardness is 50HRC~ 65HRC, due to the deformation of the workpiece due to heat treatment, the precision of the pre-heat processing will generally be reduced by 1-2 grades, so it needs to be finished after heat treatment. Due to the limitations of contour shape, high hardness and high precision, it is usually difficult to use traditional cutting methods for this curved surface, especially after thermal finishing, the tool wear is serio...
Claims
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Login to View More IPC IPC(8): B23H3/00
CPCB23H3/00
Inventor 周叙荣蒋永锋干为民
Owner HOHAI UNIV CHANGZHOU