Uniform-section blade-type microscale turbine electric spark machining device and process method thereof

A processing device and EDM technology, applied in positioning devices, metal processing equipment, metal processing machinery parts, etc., can solve the problems of low machining accuracy and large deformation of micro-scale turbine blades, reduce the difficulty of design and manufacturing, and reduce the processing time. The effect of deforming and simplifying the motion track

CN103464988AInactive Publication Date: 2013-12-25NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2013-12-25
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a uniform-section blade-type microscale turbine electric spark machining device and a process method thereof, and belongs to the field of microscale turbine processing. The device comprises a clamping rod, an integrated positioning plate, an indexing prism and a standard base. A turbine blade top circular face is processed on a workpiece through numerical-control turning, the workpiece is positioned and clamped on the indexing prism, the workpiece and the indexing prims are enabled to form a rigid body, the indexing prism is mounted on the integrated positioning plate, the integrated positioning plate is mounted on the standard base, and clamped after being positioned by rotating and adjusting by a certain angle, all blades and blade root circular faces are processed symmetrically through electric spark processing. By the uniform-section blade-type microscale turbine electric spark machining device and the process method thereof, the problem of microscale turbine processing is effectively solved, and processing accuracy and stability of a microscale turbine are improved.
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Description

technical field

[0001] The invention relates to a constant-section airfoil microscale turbine electric discharge machining device and a process method thereof, which belong to the field of microscale turbine machining. Background technique

[0002] Micro-scale turbines will be widely used in various industries such as industry, agriculture, environmental protection, medical and health care, etc., and are key components in micro-power devices such as micro-engines and micro-pumps. The successful development of this miniature, portable power device will not only have a huge impact on the MEMS industry, but also on the industries based on modern microelectronics, information and biotechnology.

[0003] Micro-scale turbines are generally difficult-to-machine materials with high hardness, so the primary problem of micro-scale turbine machining is whether it can be processed, and secondly, how to accurately, stably and efficiently process turbine blades and other profiles with com...

Examples

Embodiment Construction

[0033] Please refer to figure 1 As shown, a constant-section airfoil micro-scale turbine electric discharge machining device includes a clamping rod 6, an integrated positioning plate 2, an indexing prism 3 and a reference base 1, and the electrode 8 is installed on the clamping rod with screws 7 and nuts 9. On the rod 6, after adjusting the position, clamp it, and then connect the clamping rod 6 to the spindle of the machine tool; position the workpiece 5 on the indexing prism 3, and lock it with the locking screw 4 to make the two become a rigid body. The degree prism 3 is positioned and clamped on the integrated positioning plate 2; finally, the integrated positioning plate 2 is installed on the reference base 1, rotated to adjust the angle and then locked.

[0034] Please refer to figure 1 and figure 2 As shown, the integrated positioning plate 2 is a positioning plate for processing the electrode 8 and the workpiece 5, and the regular hexagonal hole 11 for positioning ...