CN104438886A - New numerical control linear cutting and machining method of hard alloy trimming die - Google Patents
New numerical control linear cutting and machining method of hard alloy trimming die Download PDFInfo
- Publication number
- CN104438886A CN104438886A CN201410600005.8A CN201410600005A CN104438886A CN 104438886 A CN104438886 A CN 104438886A CN 201410600005 A CN201410600005 A CN 201410600005A CN 104438886 A CN104438886 A CN 104438886A
- Authority
- CN
- China
- Prior art keywords
- cutting
- numerical control
- hard alloy
- blank
- new method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/20—Making tools by operations not covered by a single other subclass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a new numerical control linear cutting and machining method of a hard alloy trimming die. The new numerical control linear cutting and machining method includes the following steps that (1) threading holes are machined in hard alloy raw material; (2) a trimming die contour line is drawn on the hard alloy raw material with the threading holes, and the cutting line is determined; (3) n times of cutting and machining are conducted through a numerical control linear cutting machine, and a workblank piece with the offset is formed; (4) the cut workblank piece is dried through compressed air firstly, and then the cut fracture surface is cleaned through an acetone solution and aired; (5) metal sheets are bonded to the upper surface and the lower surface of the processed workblank piece, then fine trimming is conducted on the workblank piece, and the hard alloy trimming die is obtained. The new numerical control linear cutting and machining method of the hard alloy trimming die is convenient and easy to implement, the stress in the material is released totally by increasing the times of cutting, torsional deformation of the material is prevented effectively, and the accuracy of the trimming die is improved; working efficiency and product quality are improved through the offset design and mechanical fine trimming; the method is high in applicability and suitable for manufacturing of multiple kinds of dies.
Description
Technical field
The present invention relates to machine die processing technique field, particularly relate to a kind of new method of Numerical Control Wire Cutting carbide punch.
Background technology
The processing method of punch die comprises that essence is cut, once cut reserved connecting portion, repair a die the steps such as leveling, and the leveling that repairs a die is completed by pincers worker usually.The technical process of this processing method is simple, but is only applicable to simple shape, raw material that hardness is lower.
Applying above-mentioned technique, is material with carbide alloy, often there is following shortcoming: 1, Hardmetal materials hardness is higher when preparing punch die in irregular shape, repair a die that reserved coupling part work difficulty is large by pincers worker, grinding quality and grinding efficiency low; 2, when the carbide alloy that cutting thickness is larger, adopt reserved connecting portion and once cut, have process velocity slow, inner stress of work has little time to discharge completely, the shortcoming such as cause material torsional deflection serious, makes mould and die accuracy not reach requirement.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of new method of Numerical Control Wire Cutting carbide punch, can solve existing punch die processing method process take carbide alloy as the punch die of raw material time the problems referred to above of existing.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: the new method providing a kind of Numerical Control Wire Cutting carbide punch, comprises the steps:
(1) on hard alloy material, wire hole is processed;
(2) draw punch die outline line with on the hard alloy material of wire hole, and determine cutting route;
(3) carry out n cutting processing with nc wire-cutting, form the blank of band side-play amount;
(4) blank after cutting in step (3) is first dried up with compressed air, then clean cutting section with acetone soln and dry;
(5) upper and lower surface of the blank in step (4) after process pastes sheet metal, then carries out refine to described blank, obtains described carbide punch.
In a preferred embodiment of the present invention, in described step (1), described wire hole diameter is 1.2 ~ 1.4mm.
In a preferred embodiment of the present invention, in described step (2), described punch die outline line is 12 ~ 15mm apart from the distance of described wire hole center line, and the width at distance hard alloy material edge is hard alloy material thickness is 1/4 ~ 2/3.
In a preferred embodiment of the present invention, in described step (3), described n value is 3 ~ 5 times, described side-play amount is 6 ~ 8 μm, described cutting processing condition is: when first time cuts to (n-1)th time, hard alloy material leaves fixing surplus, the fixing surplus of excision when n-th cutting.
In a preferred embodiment of the present invention, in described step (3), described fixing surplus is 5 ~ 10mm.
In a preferred embodiment of the present invention, in described step (5), described sheet metal is copper sheet, and the diameter of described sheet metal is that the diameter of described blank deducts described side-play amount.
In a preferred embodiment of the present invention, in described step (5), described refine method is machine polishing or grinding.
The invention has the beneficial effects as follows: the new method of a kind of Numerical Control Wire Cutting carbide punch of the present invention, easy to operate, easily realize, by cutting number of times to increase, material internal stress is discharged completely, effectively prevent material torsional deflection, improve the precision of punch die; By design and the mechanical refine of side-play amount, improve operating efficiency and product quality; Method applicability of the present invention is strong, can be used for the preparation of multiple kinds of molds.
Detailed description of the invention
Below preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
The embodiment of the present invention comprises:
Embodiment 1
A new method for Numerical Control Wire Cutting carbide punch, comprises the steps:
(1) on hard alloy material, process with punch the wire hole that diameter is 1.2mm;
(2) punch die outline line is being drawn with on the hard alloy material of wire hole, and to make to be formed between punch die outline line and wire hole center line length be that line segment is cut in the introducing of 12mm, to determine cutting route, the width at guarantee punch die outline line and hard alloy material edge is hard alloy material thickness is simultaneously 1/4;
(3) carry out 3 cutting processing with nc wire-cutting, form the blank of band 6 μm of side-play amounts; Described cutting processing condition is: when the 1st time and the 2nd cutting, hard alloy material leaves the fixing surplus of 5mm, the fixing surplus of excision when the 3rd cutting;
(4) blank after cutting in step (3) is first dried up with compressed air, then clean cutting section with acetone soln and dry;
(5) upper and lower surface of the blank in step (4) after process pastes the copper sheet that thickness is 0.5mm, and the center making copper sheet center and blank point-blank, the diameter of copper sheet selected is the value that the diameter of blank deducts described side-play amount, therefore, after pasting copper sheet as stated above, the Offset portion on blank can be made to be exposed at outside copper sheet, then adopt polishing machine to carry out polishing refine, Offset portion is removed completely, obtains the carbide punch of precision size.
Embodiment 2
A new method for Numerical Control Wire Cutting carbide punch, comprises the steps:
(1) on hard alloy material, process with punch the wire hole that diameter is 1.4mm;
(2) punch die outline line is being drawn with on the hard alloy material of wire hole, and to make to be formed between punch die outline line and wire hole center line length be that line segment is cut in the introducing of 15mm, to determine cutting route, the width at guarantee punch die outline line and hard alloy material edge is hard alloy material thickness is simultaneously 2/3;
(3) carry out 5 cutting processing with nc wire-cutting, form the blank of band 8 μm of side-play amounts; Described cutting processing condition is: when first time cuts to the 4th, hard alloy material leaves the fixing surplus of 10mm, the fixing surplus of excision when the 5th is cut;
(4) blank after cutting in step (3) is first dried up with compressed air, then clean cutting section with acetone soln and dry;
(5) upper and lower surface of the blank in step (4) after process pastes the copper sheet that thickness is 0.3mm, and the center making copper sheet center and blank point-blank, the diameter of copper sheet selected is the value that the diameter of blank deducts described side-play amount, therefore, after pasting copper sheet as stated above, the Offset portion on blank can be made to be exposed at outside copper sheet, then adopt grinding machine to carry out polishing refine, Offset portion is removed completely, obtains the carbide punch of precision size.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (7)
1. by a new method for Numerical Control Wire Cutting carbide punch, it is characterized in that, comprise the steps:
(1) on hard alloy material, wire hole is processed;
(2) draw punch die outline line with on the hard alloy material of wire hole, and determine cutting route;
(3) carry out n cutting processing with nc wire-cutting, form the blank of band side-play amount;
(4) blank after cutting in step (3) is first dried up with compressed air, then clean cutting section with acetone soln and dry;
(5) upper and lower surface of the blank in step (4) after process pastes sheet metal, then carries out refine to described blank, obtains described carbide punch.
2. the new method of Numerical Control Wire Cutting carbide punch according to claim 1, is characterized in that, in described step (1), described wire hole diameter is 1.2 ~ 1.4mm.
3. the new method of Numerical Control Wire Cutting carbide punch according to claim 1, it is characterized in that, in described step (2), distance between described punch die outline line and described wire hole center line is 12 ~ 15mm, be hard alloy material thickness is 1/4 ~ 2/3 with the width at hard alloy material edge.
4. the new method of Numerical Control Wire Cutting carbide punch according to claim 1, it is characterized in that, in described step (3), described n value is 3 ~ 5 times, described side-play amount is 6 ~ 8 μm, described cutting processing condition is: when first time cuts to (n-1)th time, hard alloy material leaves fixing surplus, the fixing surplus of excision when n-th cutting.
5. the new method of Numerical Control Wire Cutting carbide punch according to claim 1, is characterized in that, in described step (3), described fixing surplus is 5 ~ 10mm.
6. the new method of Numerical Control Wire Cutting carbide punch according to claim 1, is characterized in that, in described step (5), described sheet metal is copper sheet, and the diameter of described sheet metal is that the diameter of described blank deducts described side-play amount.
7. the new method of Numerical Control Wire Cutting carbide punch according to claim 1, is characterized in that, in described step (5), described refine method is machine polishing or grinding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410600005.8A CN104438886A (en) | 2014-10-31 | 2014-10-31 | New numerical control linear cutting and machining method of hard alloy trimming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410600005.8A CN104438886A (en) | 2014-10-31 | 2014-10-31 | New numerical control linear cutting and machining method of hard alloy trimming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104438886A true CN104438886A (en) | 2015-03-25 |
Family
ID=52886077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410600005.8A Pending CN104438886A (en) | 2014-10-31 | 2014-10-31 | New numerical control linear cutting and machining method of hard alloy trimming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104438886A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57168736A (en) * | 1981-04-09 | 1982-10-18 | Toshiba Corp | Production of metallic mold |
| JPS5930434A (en) * | 1982-08-13 | 1984-02-18 | Toshiba Corp | Manufacture of punching die |
| CN1046303A (en) * | 1990-05-03 | 1990-10-24 | 江西省机械工业设计研究院 | Technology for cutting hard alloy steel die with laser |
| CN101508044A (en) * | 2009-03-13 | 2009-08-19 | 厦门市捷昕精密科技有限公司 | Wire cutting processing technique of allotype male die |
| CN101642837A (en) * | 2009-08-25 | 2010-02-10 | 江西稀有稀土金属钨业集团有限公司 | Machining method of hard alloy mould with irregular shape surface |
| CN102528192A (en) * | 2011-12-31 | 2012-07-04 | 中国第一汽车股份有限公司 | Accurate wire cutting method of irregular die hole of embedded block with molded surface |
-
2014
- 2014-10-31 CN CN201410600005.8A patent/CN104438886A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57168736A (en) * | 1981-04-09 | 1982-10-18 | Toshiba Corp | Production of metallic mold |
| JPS5930434A (en) * | 1982-08-13 | 1984-02-18 | Toshiba Corp | Manufacture of punching die |
| CN1046303A (en) * | 1990-05-03 | 1990-10-24 | 江西省机械工业设计研究院 | Technology for cutting hard alloy steel die with laser |
| CN101508044A (en) * | 2009-03-13 | 2009-08-19 | 厦门市捷昕精密科技有限公司 | Wire cutting processing technique of allotype male die |
| CN101642837A (en) * | 2009-08-25 | 2010-02-10 | 江西稀有稀土金属钨业集团有限公司 | Machining method of hard alloy mould with irregular shape surface |
| CN102528192A (en) * | 2011-12-31 | 2012-07-04 | 中国第一汽车股份有限公司 | Accurate wire cutting method of irregular die hole of embedded block with molded surface |
Non-Patent Citations (5)
| Title |
|---|
| 宋春香等: "数控电火花线切割在模具加工中的工艺技术", 《工具技术》 * |
| 林朝平: "线切割加工模具的工艺要点分析", 《金属加工》 * |
| 王海等: "凸模模具数控线切割加工方法", 《科技资讯》 * |
| 袁根华等: "线切割加工的工艺与故障处理", 《煤矿机械》 * |
| 赵峰等: "数控电切削技术在模具工作零件制造过程中的应用", 《模具技术》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102303223B (en) | Process flow for machining lower punching die | |
| WO2017080071A1 (en) | Stamping die kit for forming bridge-shaped protrusion | |
| CN100586637C (en) | Zero clearance blade producing method of shaping press cutting mold | |
| CN105499924B (en) | A kind of processing method of tear-off tin pull ring mold molding lower die | |
| CN105081195A (en) | Chain, sharp-tooth chain plate and chain plate automatic punch forming technology | |
| CN205032618U (en) | Stifled cold -heading device of oil | |
| CN106807844A (en) | A kind of undershoot process flow for processing mould | |
| CN204247888U (en) | A kind of gear rolling machine | |
| CN105364431A (en) | Process flow for machining lower punching die | |
| CN202779419U (en) | Compound die with shaping and trimming concave die positioned above | |
| CN101890641A (en) | Batch processing method for porous filter cover plates | |
| CN102632143A (en) | Plate trimming scrap cutter | |
| CN105598635A (en) | Method for controlling residual stress and machining deformation of accurate structural component | |
| CN104438886A (en) | New numerical control linear cutting and machining method of hard alloy trimming die | |
| CN105458066A (en) | Sectional material dressing die | |
| CN102896374B (en) | Process for manufacturing diamond saw blade | |
| CN102729020A (en) | Method for machining cutter and dedicated mold | |
| CN205732553U (en) | Waste knife arrangement | |
| CN108180043A (en) | A kind of assembling structure and method of turbo blade tenon tooth bottom surface cover board | |
| CN102632368A (en) | Press line automatic tapping process and processing system thereof | |
| CN105268825A (en) | Novel punching composite die device | |
| CN205436757U (en) | Steering yoke cut off die | |
| CN204818256U (en) | Three surface broachs | |
| CN204934692U (en) | A kind of continuously shaped brill | |
| CN204208968U (en) | New-type transmission shaft slip yoke forging hot-cutting die |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |