COMPOUND ELECTRICAL DISCHARGE MACHINING APPARATUS AND SMALL-HOLE ELECTRICAL DISCHARGE MACHINING MODULE THEREOF
First Claim
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1. A compound electrical discharge machining apparatus, comprising:
- a wire-supplying module, supplying a wire electrode;
a guiding tube, located below said wire-supplying module, and passed by and guiding said wire electrode;
a transmission module, located below said guiding tube, and transmitting said wire electrode passing through said guiding tube;
a top wire guide, located below said transmission module, corresponding to said guiding tube, and said transmission module transmitting said wire electrode to thread through said top wire guide;
a processing platform, located below said top wire guide, and carrying a workpiece;
a power module, connecting to said wire electrode and said workpiece, supplying power to said wire electrode and said workpiece for performing small-hole electrical discharge machining and forming a through hole in said workpiece, and said wire electrode threading through said workpiece;
a bottom wire guide, located below said processing platform, corresponding to said top wire guide, and said transmission module driving said wire electrode threading through said workpiece to thread through said bottom wire guide; and
a wire-retrieving module, disposed below said bottom wire guide, and retrieving said wire electrode threading through said bottom wire guide;
where said electrode threads through said through hole in said workpiece and said bottom wire guide, and said power module supplies power to said wire electrode and said workpiece for performing wire-cut electrical discharge machining.
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Abstract
The present invention relates to a compound electrical discharge machining (EDM) apparatus, which combines a small-hole EDM module and a wire-cut EDM apparatus and hence having the functions of small-hole and wire-cut EDM simultaneously. Thereby, in the compound EDM apparatus, a workpiece can be first processed by the small-hole EDM and subsequently by the wire-cut EDM without repositioning. Accordingly, automatic processing can be achieved. The inability of full automation in wire-cut EDM machines owing to lack of small-hole EDM functionality is improved.
11 Citations
10 Claims
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1. A compound electrical discharge machining apparatus, comprising:
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a wire-supplying module, supplying a wire electrode; a guiding tube, located below said wire-supplying module, and passed by and guiding said wire electrode; a transmission module, located below said guiding tube, and transmitting said wire electrode passing through said guiding tube; a top wire guide, located below said transmission module, corresponding to said guiding tube, and said transmission module transmitting said wire electrode to thread through said top wire guide; a processing platform, located below said top wire guide, and carrying a workpiece; a power module, connecting to said wire electrode and said workpiece, supplying power to said wire electrode and said workpiece for performing small-hole electrical discharge machining and forming a through hole in said workpiece, and said wire electrode threading through said workpiece; a bottom wire guide, located below said processing platform, corresponding to said top wire guide, and said transmission module driving said wire electrode threading through said workpiece to thread through said bottom wire guide; and a wire-retrieving module, disposed below said bottom wire guide, and retrieving said wire electrode threading through said bottom wire guide; where said electrode threads through said through hole in said workpiece and said bottom wire guide, and said power module supplies power to said wire electrode and said workpiece for performing wire-cut electrical discharge machining. - View Dependent Claims (2, 3, 4, 5)
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6. A small-hole electrical discharge machining module, comprising:
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a guiding tube, passed by and guiding a wire electrode; a transmission module, located below said guiding tube, and transmitting said wire electrode passing through said guiding tube; a wire guide, located below said transmission module, corresponding to said guiding tube, and said transmission module transmitting said wire electrode to thread through said wire guide; and a power module, connecting to said wire electrode and a workpiece located below said wire guide, supplying power to said wire electrode and said workpiece for performing small-hole electrical discharge machining and forming a through hole in said workpiece. - View Dependent Claims (7, 8, 9, 10)
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Specification