CN109226300A - A kind of micro- textured ceramic wire-drawing die and its method for improving lubrication - Google Patents
A kind of micro- textured ceramic wire-drawing die and its method for improving lubrication Download PDFInfo
- Publication number
- CN109226300A CN109226300A CN201811332481.0A CN201811332481A CN109226300A CN 109226300 A CN109226300 A CN 109226300A CN 201811332481 A CN201811332481 A CN 201811332481A CN 109226300 A CN109226300 A CN 109226300A
- Authority
- CN
- China
- Prior art keywords
- wire
- drawing die
- die
- micro
- texture
- 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
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels for metal drawing
- B21C3/02—Dies; Selection of material therefor; Cleaning thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C9/00—Cooling, heating or lubricating drawing material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Extraction Processes (AREA)
Abstract
本发明属于金属线材拉拔模具制造技术领域，涉及一种微织构陶瓷拉丝模具及其改善润滑的方法。该微织构陶瓷拉丝模具的拉拔小孔的内壁面布置有规则的微米级别的凹槽或凹坑状阵列织构。拉丝模具拉拔加工时，润滑油液可沿织构表面渗透进入模具与钢丝的紧密摩擦接触区，织构单元同时可以存储润滑介质，从而有效改善拉拔生产过程的润滑效果。该拉丝模具可广泛应用于各种金属线材的拉拔生产，因微织构的优良性能而克服模具拉拔工作区的润滑难题，实现强韧性金属线材的高质量拉拔加工，操作工艺简单可靠。The invention belongs to the technical field of metal wire drawing die manufacturing, and relates to a micro-textured ceramic wire drawing die and a method for improving lubrication thereof. The inner wall surfaces of the drawing holes of the micro-textured ceramic wire drawing die are arranged with regular micron-level grooves or pit-like array textures. During the drawing process of the wire drawing die, the lubricating oil can penetrate into the close friction contact area between the die and the steel wire along the textured surface, and the texture unit can store the lubricating medium at the same time, thereby effectively improving the lubricating effect of the drawing production process. The wire drawing die can be widely used in the drawing production of various metal wires. Due to the excellent performance of micro-texture, it overcomes the problem of lubrication in the drawing working area of the die, and realizes high-quality drawing processing of strong and tough metal wires. The operation process is simple and reliable. .
Description
Technical field
The present invention relates to a kind of micro- textured ceramic wire-drawing die and its improve the method lubricated, belongs to metal wire drawing mould
Has manufacturing technology field.
Background technique
Wire drawing processing industry experienced very long development, with to the continuous of processed wire rod type and performance requirement
It improves, the material and structure of wire-drawing die have also obtained continuous development and innovation.It is quick with modern drawing processing industry
The continuous improvement that development and people require high performance-price ratio drawing mould, ceramic material already become one for wire-drawing die
Ideal selection.Ceramics have very high wearability and chemical stability, especially process in the drawing to non-ferrous metal wire rod
It is not easy that adhesive attraction occurs with metal wire rod in the process, there is the wider scope of application compared to other wire-drawing die materials.
However, wire-drawing die working face and metal wire rod are in high pressure, close contact state, and lubricant medium is difficult in drawing process
Can smoothly enter into, interface friction operating condition is severe, and die wear is prominent, the decline of wire rod machined surface quality.Therefore, it is badly in need of finding one
Kind improves the new technology of wire-drawing die drawing working lubrication, and especially improvement ceramic material wire-drawing die drawing produces friction duty
New method, overcome drawing processing to be in close contact the limited technical problem of lubrication of workspace, improve metal wire drawing production
Processing efficiency and processing quality.
Chinese patent " patent No.: ZL200810044524 " reports a kind of small aperture diamond coating drawing die preparation
By the method for chemical vapor deposition, in wire-drawing die bore area depositing diamond film, wire drawing can be improved in method, the invention
The hardness and wearability of mold working surface.Chinese patent " patent No.: ZL201420052322.6 " reports a kind of self-lubricating
Wire-drawing die, the technology realize drawing by way of lubricating oil fuel feed hole and fuel tank fuel feeding is arranged on the mold core in wire-drawing die
The lubricating effect of production is pulled out, which is provided with sump oil processing mechanism simultaneously, and lubricating oil can be recycled.
Summary of the invention
Goal of the invention: it is an object of the invention to overcome the deficiencies in the prior art, further improve ceramic material wire drawing die
Have the severe fretting wear operating condition in drawing production process, a kind of micro- textured ceramic wire-drawing die is provided and its improves the side of lubrication
Method.
Technical solution: a kind of basis material of micro- textured ceramic wire-drawing die of the invention is alumina base or nitridation silicon substrate
The drawing aperture inner wall of ceramic material, wire-drawing die arranges well-regulated micron-sized groove or pit shape texture array, should
Texture can be obtained by the processing method of electron beam or plasma etching.Micro- textured ceramic wire-drawing die of the invention improves lubrication
Method be that effect is played by the micro- texture in surface, micro- texture of wire-drawing die drawing aperture inner wall exists so that its worksheet
Macro/microcosmic porous organization for being similar to " liquid-sucking core " is presented in face, and under wire drawing squeezing action, which can promote
Drawing work Contact Surfaces with Frictional Heating is penetrated into lubricating oil, so as to improve the lubricating status of metal wire drawing production.
The utility model has the advantages that micro- texture is applied to the design of ceramic material wire-drawing die by the present invention, pass through the excellent of micro- texture
Performance realizes the improvement of metal wire drawing production lubricating status.Relative to existing conventional ceramic wire-drawing die, energy of the present invention
Enough promote lubricant medium to enter the close contact area of mold and metal wire rod, realize the real lubrication of drawing work frictional interface,
Texture array and the lubricant medium of storage can effectively avoid the adherency of metal wire rod material, to be effectively improved drawing production
Lubricating status reduces wire-drawing die abrasion, improves the processing efficiency and processing quality of metal wire drawing production.Relative to existing
Drawing working face open the lubrication assistants technology such as oilhole, the present invention lubricates supply structure device, micron order without auxiliary internal
Texture is evenly arranged completely entire working face, and structure is simple, and lubricant effect is more significant.Relative to existing coating drawing die, originally
Invention can overcome the caducous drawback of functional coating, technical more superior.A kind of micro- textured ceramic wire-drawing die of the invention can
It is effectively improved the lubricating status of drawing production, can be widely applied to the efficient drawing processing of all kinds of metal wire rods.
Specific embodiment
Below by specific embodiment, the invention will be further described, and it is not limit that following embodiment, which is descriptive,
Qualitatively, this does not limit the scope of protection of the present invention.
Embodiment 1:
A kind of micro- textured ceramic wire-drawing die, basis material are alumina-based ceramic metal, and mold is radially symmetrically in
Two halves combination, 14 ° of mould shape diameter Φ 4mm, entrance subtended angle, 60 ° of subtended angle of outlet after combination, the drawing aperture inner wall of mold
The processing method for being used electron beam machined micro- pit array texture, and 30 μm of pit diameter Φ, groove is 20 μm deep, pit centres
100 μm of spacing.
The wire-drawing die can be applied to the efficient drawing processing of nonferrous materials, spray at lubricating oil night along wire rod entrance
Under the conditions of, lubricant medium can effectively penetrate into drawing rub working interface, and micro lubricating medium can be stored in pit, realize that drawing is raw
The dynamically lubricating of production is fed, and this method can effectively reduce the abrasion of alumina-based ceramic metal basis material, coloured gold can be improved
Belong to the drawing machined surface quality of wire rod.
Embodiment 2:
A kind of micro- textured ceramic wire-drawing die, basis material are silicon-nitride-based ceramic, and mold is radially symmetrically in two halves
Combination, 15 ° of mould shape diameter Φ 5mm, entrance subtended angle, 58 ° of subtended angle of outlet after combination, the drawing aperture inner wall of mold is adopted
It machined micro groove array texture with the processing method of plasma etching, 20 μm of recess width, 15 μm of groove depth, groove center spacing
80 μm, groove and mold center's axis are in 30 ° of angles.
The wire-drawing die can be applied to the efficient drawing processing of steel and wire rod, at lubricating oil night along wire rod entrance injection conditions
Under, lubricant medium can penetrate into frictional interface along groove texture, and the micro lubricating medium in groove can be along drawing mould axial direction
Transmitting realizes that all standing lubrication of drawing workspace and sizing area, this method can effectively reduce silicon-nitride-based ceramic basis material
Abrasion, the drawing production efficiency and machined surface quality of steel and wire rod can be improved.
Claims (2)
1. a kind of micro- textured ceramic wire-drawing die, which is ceramic material, it is characterised in that: wire-drawing die
Drawing aperture inner wall on arrange well-regulated micron-sized groove or pit shape array texture；For the preparation convenient for texture,
Wire-drawing die is radially symmetrically combined in two halves, and when use, which combines two halves mold, to be put into metal lining and be applied in combination.
2. micro- textured ceramic wire-drawing die according to claim 1 improves drawing lubrication and is characterized in that: drawing processing
When, the drawing workspace of wire-drawing die and sizing area and metal wire rod are in high pressure close contact state, and regular is micron-sized
Texture can aid in lubricating oil penetrate into drawing work contact interface, texture also can dynamic memory lubricant medium, from
And it is effectively improved the lubricating status of metal wire drawing production.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811332481.0A CN109226300A (en) | 2018-11-09 | 2018-11-09 | A kind of micro- textured ceramic wire-drawing die and its method for improving lubrication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811332481.0A CN109226300A (en) | 2018-11-09 | 2018-11-09 | A kind of micro- textured ceramic wire-drawing die and its method for improving lubrication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109226300A true CN109226300A (en) | 2019-01-18 |
Family
ID=65077841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811332481.0A Pending CN109226300A (en) | 2018-11-09 | 2018-11-09 | A kind of micro- textured ceramic wire-drawing die and its method for improving lubrication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109226300A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040083786A1 (en) * | 2002-11-06 | 2004-05-06 | Garnett Mark D. | Sheet metal forming die assembly with textured die surfaces |
| US20130202849A1 (en) * | 2012-02-06 | 2013-08-08 | Korea Institute Of Science And Technology | Polycrystalline diamond for drawing dies and method for fabricating the same |
| CN203356225U (en) * | 2013-07-19 | 2013-12-25 | 烟台孚信达双金属股份有限公司 | Drawing die for copper-coated aluminum row |
| CN108213099A (en) * | 2018-03-16 | 2018-06-29 | 张家港市瑞特金属材料有限公司 | Diamond wire busbar wire-drawing die |
-
2018
- 2018-11-09 CN CN201811332481.0A patent/CN109226300A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040083786A1 (en) * | 2002-11-06 | 2004-05-06 | Garnett Mark D. | Sheet metal forming die assembly with textured die surfaces |
| US20130202849A1 (en) * | 2012-02-06 | 2013-08-08 | Korea Institute Of Science And Technology | Polycrystalline diamond for drawing dies and method for fabricating the same |
| CN203356225U (en) * | 2013-07-19 | 2013-12-25 | 烟台孚信达双金属股份有限公司 | Drawing die for copper-coated aluminum row |
| CN108213099A (en) * | 2018-03-16 | 2018-06-29 | 张家港市瑞特金属材料有限公司 | Diamond wire busbar wire-drawing die |
Non-Patent Citations (1)
| Title |
|---|
| 鹿重阳等: "三角形沟槽形织构化硬质合金工作表面动压润滑及减摩特性", 《摩擦学学报》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110181078B (en) | A friction-reducing tool with synergistic effect of biomimetic texture and coating and its design method | |
| CN103331318B (en) | Multi-pass metal drawing device based on water lubrication drawing | |
| CN101573206A (en) | Friction element in a working lubricant medium operating at a contact pressure greater than 200MPa | |
| JP5513945B2 (en) | Cylinder | |
| JP2010236444A (en) | Combination of cylinder and piston | |
| JP2013049106A (en) | Ultra-high pressure sintered tool with flank internal oil hole | |
| JP5950240B2 (en) | Ultra-high pressure sintered tool with flank internal oil hole | |
| CN203412667U (en) | Cylinder sleeve for marine diesel engine | |
| CN101653832A (en) | Method of machining for producing a bearing surface on a cylinder wall of a cylinder liner of an internal combustion engine | |
| CN103121041A (en) | Large-aperture wire-drawing die for metal wire forming | |
| CN110242575B (en) | Friction piece, compressor, air conditioner and friction surface treatment method | |
| CN209334700U (en) | A kind of melting cup of die casting machine of plunger self-lubricating | |
| CN110848138A (en) | Sliding vane surface structure, sliding vane and compressor | |
| CN102213157A (en) | Cylinder bore and method for producing the same | |
| CN109226300A (en) | A kind of micro- textured ceramic wire-drawing die and its method for improving lubrication | |
| CN103341730B (en) | A kind of cylinder holes processing method | |
| CN102601139B (en) | Wire drawing die | |
| CN208215084U (en) | A kind of differentiation honing cylinder jacket | |
| CN216065580U (en) | Non-uniformly distributed arc-shaped groove-shaped microtexture anti-attrition turning tool blade | |
| CN119282914B (en) | Grinding tool and grinding method for grinding inner holes of hard and brittle pipe fittings with large length-diameter ratio | |
| CN109163206A (en) | A kind of compound textured surfaces of vestibule and preparation method thereof and application method | |
| CN108213099A (en) | Diamond wire busbar wire-drawing die | |
| CN211116602U (en) | Sliding vane surface structure, sliding vane and compressor | |
| CN211202277U (en) | High-abrasion-resistance high-sealing piston | |
| JPWO2010044216A1 (en) | Sliding member and manufacturing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190118 |