CN104148757A - Machining method of drill bushing of thin and long hole made of hard material - Google Patents
Machining method of drill bushing of thin and long hole made of hard material Download PDFInfo
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- CN104148757A CN104148757A CN201410189233.0A CN201410189233A CN104148757A CN 104148757 A CN104148757 A CN 104148757A CN 201410189233 A CN201410189233 A CN 201410189233A CN 104148757 A CN104148757 A CN 104148757A
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- elongated orifices
- drill bushing
- cutting
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- elongated
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Abstract
The invention belongs to a mechanical machining technology and relates to a machining method of a thin and long hole made of a hard material. The machining method is characterized in that a numerical control linear cutting machine is adopted to machine the thin and long hole of a thin and long hole drill bushing (1), and the method comprises the machining steps of selecting raw materials, clamping the raw materials, confirming machining parameters, cutting the thin and long hole and cutting an outer circle of the thin and long hole drill bushing (1). By means of the machining method of the drill bushing of the thin and long hole made of the hard material, the machining efficiency and the pass percent of products are greatly improved.
Description
Technical field
The invention belongs to Machining Technology, relate to a kind of processing method of hard material elongated orifices drill bushing.
Background technology
See a Fig. 1, the outside diameter d=3mm～10mm of elongated orifices drill bushing 1, the aperture D=0.3mm～1mm of elongated orifices drill bushing 1, the length h=10mm～50mm of elongated orifices drill bushing 1 by the structure of the hard material elongated orifices drill bushing of high-speed steel or tool steel manufacture.Because the hardness of hard material is up to HRC55～60, common drill bit cannot be processed.Adopt at present electric spark or laser boring.Its shortcoming is: working (machining) efficiency is low; The axiality of elongated orifices and cylindrical is difficult to guarantee, and product percent of pass is low.
Summary of the invention
The object of the invention is: propose a kind of processing method of hard material elongated orifices drill bushing, to improve working (machining) efficiency and product percent of pass.
Technical scheme of the present invention is: the processing method of hard material elongated orifices drill bushing, the elongated orifices drill bushing 1 of manufacturing for processing rigid material, hard material is high-speed steel or tool steel, outside diameter d=3mm～the 10mm of elongated orifices drill bushing 1, aperture D=0.3mm～the 1mm of elongated orifices drill bushing 1, the length h=10mm～50mm of elongated orifices drill bushing 1; It is characterized in that, adopt the elongated orifices of numerically controlled wire cutting machine processing slim hole drill cover 1, the step of processing is as follows:
1, select woollen: select high-speed steel or tool steel plate, the thickness of plate is h, and the area of plate is greater than the cross section of elongated orifices drill bushing 1 and leaves clamping area;
2, woollen clamping: by woollen clamping to the workbench of numerically controlled wire cutting machine;
3, determine machined parameters: the diameter of molybdenum filament is 0.18mm～0.20mm, wire travelling speed is 0.2mm/s～0.3mm/s;
4, cutting elongated orifices: first, from the edge feed of woollen, straight cuts, to the circumference place of elongated orifices, then, along circumference cutting one circle of elongated orifices, forms elongated orifices;
5, cut the cylindrical of elongated orifices drill bushing 1, molybdenum filament is moved to the circumference place of elongated orifices drill bushing 1 cylindrical, along excircle cutting one circle of elongated orifices drill bushing 1, complete the cutting processing of elongated orifices drill bushing 1.
Advantage of the present invention is: proposed a kind of processing method of hard material elongated orifices drill bushing, greatly improved working (machining) efficiency and product percent of pass.The inventive method is through evidence, and working (machining) efficiency has improved more than 20 times.
Brief description of the drawings
Fig. 1 is the structural representation of the hard material elongated orifices drill bushing processed of the present invention.
Detailed description of the invention
Below the present invention is described in further details.Referring to Fig. 1, the processing method of hard material elongated orifices drill bushing, the elongated orifices drill bushing 1 of manufacturing for processing rigid material, hard material is high-speed steel or tool steel, outside diameter d=3mm～the 10mm of elongated orifices drill bushing 1, aperture D=0.3mm～the 1mm of elongated orifices drill bushing 1, the length h=10mm～50mm of elongated orifices drill bushing 1; It is characterized in that, adopt the elongated orifices of numerically controlled wire cutting machine processing slim hole drill cover 1, the step of processing is as follows:
1, select woollen: select high-speed steel or tool steel plate, the thickness of plate is h, and the area of plate is greater than the cross section of elongated orifices drill bushing 1 and leaves clamping area;
2, woollen clamping: by woollen clamping to the workbench of numerically controlled wire cutting machine;
3, determine machined parameters: the diameter of molybdenum filament is 0.18mm～0.20mm, wire travelling speed is 0.2mm/s～0.3mm/s;
4, cutting elongated orifices: first, from the edge feed of woollen, straight cuts, to the circumference place of elongated orifices, then, along circumference cutting one circle of elongated orifices, forms elongated orifices;
5, cut the cylindrical of elongated orifices drill bushing 1, molybdenum filament is moved to the circumference place of elongated orifices drill bushing 1 cylindrical, along excircle cutting one circle of elongated orifices drill bushing 1, complete the cutting processing of elongated orifices drill bushing 1.
Embodiment 1, processing 01# elongated orifices drill bushing, the outside diameter d=4mm of elongated orifices drill bushing, the aperture D=0.4mm of elongated orifices drill bushing, the length h=10mm of elongated orifices drill bushing, adopts high-speed steel manufacture, and hardness is HRC55.The step of processing is as follows:
1, select woollen: selection thickness is that the high-speed steel plate that 10mm, area are 50mm × 10mm is woollen;
2, woollen clamping: by woollen clamping to the workbench of numerically controlled wire cutting machine;
3, determine machined parameters: the diameter of molybdenum filament is 0.18mm, wire travelling speed is 0.3mm/s;
4, cutting elongated orifices: first, from the edge feed of woollen, straight cuts, to the circumference place of elongated orifices, then, along circumference cutting one circle of elongated orifices, forms elongated orifices;
5, cut the cylindrical of elongated orifices drill bushing, molybdenum filament is moved to the circumference place of elongated orifices drill bushing cylindrical, along excircle cutting one circle of elongated orifices drill bushing, complete the cutting processing of elongated orifices drill bushing.
Embodiment 2, processing 02# elongated orifices drill bushing, the outside diameter d=8mm of elongated orifices drill bushing, the aperture D=0.8mm of elongated orifices drill bushing, the length h=20mm of elongated orifices drill bushing, adopts tool steel manufacture, and hardness is HRC60.The step of processing is as follows:
1, select woollen: selection thickness is that the tool steel plate that 20mm, area are 60mm × 12mm is woollen;
2, woollen clamping: by woollen clamping to the workbench of numerically controlled wire cutting machine;
3, determine machined parameters: the diameter of molybdenum filament is 0.18mm, wire travelling speed is 0.3mm/s;
4, cutting elongated orifices: first, from the edge feed of woollen, straight cuts, to the circumference place of elongated orifices, then, along circumference cutting one circle of elongated orifices, forms elongated orifices;
5, cut the cylindrical of elongated orifices drill bushing, molybdenum filament is moved to the circumference place of elongated orifices drill bushing cylindrical, along excircle cutting one circle of elongated orifices drill bushing, complete the cutting processing of elongated orifices drill bushing.
Claims (1)
1. the processing method of hard material elongated orifices drill bushing, the elongated orifices drill bushing (1) of manufacturing for processing rigid material, hard material is high-speed steel or tool steel, outside diameter d=3mm～the 10mm of elongated orifices drill bushing (1), aperture D=0.3mm～the 1mm of elongated orifices drill bushing (1), the length h=10mm～50mm of elongated orifices drill bushing (1); It is characterized in that, adopt the elongated orifices of numerically controlled wire cutting machine processing slim hole drill cover (1), the step of processing is as follows:
1.1, select woollen: select high-speed steel or tool steel plate, the thickness of plate is h, and the area of plate is greater than the cross section of elongated orifices drill bushing (1) and leaves clamping area;
1.2, woollen clamping: by woollen clamping to the workbench of numerically controlled wire cutting machine;
1.3, determine machined parameters: the diameter of molybdenum filament is 0.18mm～0.20mm, wire travelling speed is 0.2mm/s～0.3mm/s;
1.4, cutting elongated orifices: first, from the edge feed of woollen, straight cuts, to the circumference place of elongated orifices, then, along circumference cutting one circle of elongated orifices, forms elongated orifices;
1.5, the cylindrical of cutting elongated orifices drill bushing (1), molybdenum filament is moved to the circumference place of elongated orifices drill bushing (1) cylindrical, along excircle cutting one circle of elongated orifices drill bushing (1), complete the cutting processing of elongated orifices drill bushing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410189233.0A CN104148757A (en) | 2014-05-07 | 2014-05-07 | Machining method of drill bushing of thin and long hole made of hard material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410189233.0A CN104148757A (en) | 2014-05-07 | 2014-05-07 | Machining method of drill bushing of thin and long hole made of hard material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104148757A true CN104148757A (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410189233.0A Pending CN104148757A (en) | 2014-05-07 | 2014-05-07 | Machining method of drill bushing of thin and long hole made of hard material |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2044526U (en) * | 1988-05-24 | 1989-09-20 | 西北工业大学1008教研室 | Gds-type high-speed electric spark apparatus for processing deep hole |
| CN2240411Y (en) * | 1995-09-04 | 1996-11-20 | 机械工业部苏州电加工机床研究所 | Numerical control wire cutting machine with electric spark high-speed small hole machining function |
| CN1128034C (en) * | 2001-01-04 | 2003-11-19 | 北京市电加工研究所 | Method for working long shaped electrode flushing hole or exhaust hole and the shaped electrode |
| US20120170988A1 (en) * | 2010-12-31 | 2012-07-05 | Diamond Innovations, Inc. | Method of Producing Holes and Countersinks in Polycrystalline Bodies |
| WO2013112117A1 (en) * | 2010-12-31 | 2013-08-01 | Diamond Innovations, Inc. | Method of producing holes and countersinks in polycrystalline bodies |
-
2014
- 2014-05-07 CN CN201410189233.0A patent/CN104148757A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2044526U (en) * | 1988-05-24 | 1989-09-20 | 西北工业大学1008教研室 | Gds-type high-speed electric spark apparatus for processing deep hole |
| CN2240411Y (en) * | 1995-09-04 | 1996-11-20 | 机械工业部苏州电加工机床研究所 | Numerical control wire cutting machine with electric spark high-speed small hole machining function |
| CN1128034C (en) * | 2001-01-04 | 2003-11-19 | 北京市电加工研究所 | Method for working long shaped electrode flushing hole or exhaust hole and the shaped electrode |
| US20120170988A1 (en) * | 2010-12-31 | 2012-07-05 | Diamond Innovations, Inc. | Method of Producing Holes and Countersinks in Polycrystalline Bodies |
| WO2013112117A1 (en) * | 2010-12-31 | 2013-08-01 | Diamond Innovations, Inc. | Method of producing holes and countersinks in polycrystalline bodies |
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Application publication date: 20141119 |