A micro-scale turbine electric discharge machining device with equal cross-section airfoil and its process method

A processing device and EDM technology, applied in positioning devices, metal processing equipment, metal processing machinery parts, etc., can solve the problems of large deformation and low processing precision of micro-scale turbine blades, reduce processing deformation, reduce design and manufacturing Difficulty, the effect of ensuring machining accuracy

Inactive Publication Date: 2016-08-10
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] Aiming at the processing problems of micro-scale turbines, the present invention provides a micro-scale turbine electric discharge machining device with equal cross-section blades and its process method, which are used to solve the problems of low machining accuracy and large deformation of micro-scale turbine blades, and realize equal High-precision Machining of Cross-section Airfoil Micro-scale Turbine

Method used

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  • A micro-scale turbine electric discharge machining device with equal cross-section airfoil and its process method
  • A micro-scale turbine electric discharge machining device with equal cross-section airfoil and its process method
  • A micro-scale turbine electric discharge machining device with equal cross-section airfoil and its process method

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Embodiment Construction

[0032] 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.

[0033] 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 ...

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Abstract

The invention discloses an equal-section airfoil type micro-scale turbine electrical discharge machining device and a process method thereof, belonging to the field of micro-scale turbine machining. The equal-section airfoil micro-scale turbine electric discharge machining device of the present invention includes a clamping rod, an integrated positioning plate, an indexing prism and a reference base, and the circular surface of the turbine blade top is processed by numerical control turning on the workpiece, and the workpiece is positioned and clamped on the dividing surface. On the degree prism and make the two form a rigid body, install the indexing prism on the integrated positioning plate, and then install the integrated positioning plate on the reference base, rotate and adjust a certain angle to position and clamp it, and use EDM symmetrical processing Show all blades and blade root circles. The invention effectively solves the difficult problem of machining the micro-scale turbine, and improves the machining accuracy and stability of the micro-scale turbine.

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 c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/02B23H9/10B23Q3/00B23H7/02
Inventor 赵建社陈建宁郁子欣周旭娇李文林虎
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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