CN201046522Y - Surface ceramic bovine aluminum alloy guide wheel - Google Patents
Surface ceramic bovine aluminum alloy guide wheel Download PDFInfo
- Publication number
- CN201046522Y CN201046522Y CNU2007201484407U CN200720148440U CN201046522Y CN 201046522 Y CN201046522 Y CN 201046522Y CN U2007201484407 U CNU2007201484407 U CN U2007201484407U CN 200720148440 U CN200720148440 U CN 200720148440U CN 201046522 Y CN201046522 Y CN 201046522Y
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- guide wheel
- aluminium alloy
- alloy guide
- aluminum alloy
- utility
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Abstract
The utility model discloses an aluminum alloy guide wheel with ceramic coating on the surface, which is characterized in that micro-arc oxidation technology is adopted for in-situ growing of aluminum oxide ceramic oxidation film on the surface of the aluminum alloy guide wheel; the surface hardness of the aluminum alloy guide wheel with ceramic coating on the surface is Hv1300 to Hv1800. The utility model has the advantages of high hardness, resistance to friction, abrasion, acid, alkali and corrosion, high insulation intensity, and applicability to working conditions of the guide wheel for electrical discharge linear-cutting guide wheel.
Description
Technical field
The utility model relates to a kind of guide wheel that uses on the electric spark linear cutting machine that is applicable to, more particularly says, is meant a kind of guide wheel that adopts micro-arc oxidation process at surface in situ growth one deck membrane of oxide ceramics of alloy matrix aluminum wheel.
Background technology
Guide wheel be electric spark linear cutting machine power on polar filament guiding must obligato important devices, play the guide effect of drive electrode silk.The precision of guide wheel and wearability directly have influence on the precision and the surface smoothness of cut workpiece, so require guide wheel to have that precision height, hardness height, wearability are good, the characteristics of long service life.Wire electrode 2 guiding add the processing technology signal in man-hour shown in Fig. 2 A, among the figure, wire electrode 1 is back and forth operation on wire storage tube 3, upper block 1 and lower tumbler 5, utilizes the V-shaped groove (shown in Fig. 2 B) on upper block 1 and the lower tumbler 5 that the wire electrode 2 of high-speed mobile is accurately located.
Over the years, the guide wheel of using on the electric spark linear cutting machine generally has following three kinds:
One, steel guide wheel: this guide wheel manufacturing cost is cheap, but not wear-resistant, service life is lower.
Two, ceramic guide wheel: the inner steel material that adopts of this guide wheel is as core wheel, and the cylindrical of guide wheel is inlaid with the aluminium oxide ceramics circle and is processed into.The pottery guide wheel is compared with the steel guide wheel, and its advantage is that wearability is improved, but during the manufacturing expenses of ceramic guide wheel, manufacturing cost is higher relatively.
Three, jewel guide wheel: the inner steel material that adopts of this guide wheel is as core wheel, and the cylindrical of guide wheel is inlaid with ruby or the basket gem processing is made.The jewel guide wheel is compared with ceramic guide wheel, steel guide wheel, and its advantage is that wearability is improved, but the manufacturing cost price is more expensive.
Summary of the invention
The purpose of this utility model provides that a kind of cost is low, light weight, process cycle is short, wearability is high surface ceramic deposition aluminium alloy guide wheel, this surface ceramic deposition aluminium alloy guide wheel inertia when high speed rotating is forward and reverse is little, can reduce the slippage wearing and tearing between instantaneous wire electrode of commutation and upper block, lower tumbler effectively.
The utility model is a kind of aluminium alloy guide wheel of surface ceramic deposition, and the ceramic coating of one deck alundum (Al is arranged on the integral surface of aluminium alloy guide wheel, and this surface ceramic deposition aluminium alloy guide pulley surface hardness is Hv1300～Hv1800.
The advantage of the utility model surface ceramic deposition aluminium alloy guide wheel is: (1) is contacting with the tungsten wire electrode of high rigidity, when rubbing, very high rub resistance, polishing machine is being arranged; In water base working solution, very high stainless property is arranged like that, measure through the friction and wear behavior testboard with pottery.The ceramic layer of aluminum alloy surface differential arc oxidation is than wear-resisting 5～10 times of hardened steel, and is more wear-resisting 50～100% than carbide alloy, than jewel guide wheel wear-resisting 30～65%; (2) matrix material of guide wheel adopts aluminium alloy, and lower than the cost of stainless steel is 1/4 of carbide alloy cost more than 50%, is 1/5 of jewel guide wheel cost; (3) weight of aluminium alloy guide wheel is 1/3 of steel guide wheel, is 1/8 of carbide alloy, and weight is lighter, inertia is littler during rotating, sliding friction, wearing and tearing are just little, and service life is just long, and this is the index of an outbalance of fast wire electrical discharge machine tool upper block work.
Description of drawings
Fig. 1 is that the utility model guide wheel adopts micro-arc oxidation process process simplified schematic diagram.
Fig. 2 A is the processing technology schematic diagram that the wire electrode guiding adds man-hour in the background technology.
Fig. 2 B is the position view of V-shaped groove guide wheel and wire electrode in the background technology.
Among the figure: 1. upper block 11. working powers 12. rustless steel containers 13. working solutions 2. wire electrodes 3. wire storage tubes 4. workpiece 5. lower tumblers 6. pulse powers
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
The utility model is a kind of aluminium alloy guide wheel of surface ceramic deposition, the improvements of the guide wheel that uses on this surface ceramic deposition aluminium alloy guide wheel and the existing electric spark linear cutting machine have been to adopt the matrix material of aluminium alloy as guide wheel, and adopting micro-arc oxidation process growth in situ on the alloy matrix aluminum guide wheel that oxide ceramic layer is arranged, described oxide ceramic layer is alundum (Al (Al
2O
3).
Surface ceramic deposition aluminium alloy guide wheel of the present utility model is that one deck ceramic coating is arranged on the integral surface of aluminium alloy guide wheel (matrix).
Referring to shown in Figure 1, among the figure, V-shaped groove aluminium alloy guide wheel (upper block 1 shown in Fig. 2 A) is placed in the rustless steel container 12, fills working solution 13 in the rustless steel container 12, and working solution 13 is the aqueous solution of 1～3% potassium hydroxide.V-shaped groove aluminium alloy guide wheel is connected with the positive pole of 380V ac working power supply 11, and the negative pole of 380V ac working power supply 11 is connected with rustless steel container 12.As the differential arc oxidation pulse power of aluminum alloy surface ceramicization, it exports the dc pulse voltage of 10V～600V to 380V AC power in the differential arc oxidation process (working power 11) after voltage regulating rectifier filtering.Under the differential arc oxidation effect, the aluminium alloy guide pulley surface produce little electric arc (spark discharge) aluminium atom at high temperature with working solution 13 in oxygen atom form alundum (Al (Al
2O
3) be grown in the aluminium alloy guide pulley surface, form 1～50 micron ceramic coating, per minute generates 1～3 micron approximately.The guide wheel that adopts this differential arc oxidation processing technology to make has very high hardness, rub resistance wearing and tearing, and very high dielectric strength and acid and alkali resistance corrosive nature are arranged, and is very suitable for the condition of work of Wire EDM guide wheel.
In the differential arc oxidation process, the operating voltage that the differential arc oxidation pulse power forms is at 10V～600V, its electric current according to working (finishing) area at 1～100A (about 3～10A/cm of current density
2).
Surface ceramic deposition aluminium alloy guide wheel of the present utility model contacts with the tungsten wire electrode of high rigidity, when rubbing, very high rub resistance, polishing machine is arranged; In water base working solution, very high stainless property is arranged like that, measure through the friction and wear behavior testboard with pottery.The ceramic layer of aluminum alloy surface differential arc oxidation is than wear-resisting 5～10 times of hardened steel, and is more wear-resisting 50～100% than carbide alloy, than jewel guide wheel wear-resisting 30～65%.The case hardness of surface ceramic deposition aluminium alloy guide wheel of the present utility model is Hv1300～Hv1800.
The matrix material of surface ceramic deposition aluminium alloy guide wheel of the present utility model adopts aluminium alloy, and lower than the cost of stainless steel is 1/4 of carbide alloy cost more than 50%, is 1/5 of jewel guide wheel cost.
The weight of surface ceramic deposition aluminium alloy guide wheel of the present utility model is 1/3 of steel guide wheel, is 1/8 of carbide alloy, and weight is lighter, inertia is littler during rotating, sliding friction, wearing and tearing are just little, and service life is just long, and this is the index of an outbalance of electric spark linear cutting machine upper block work.
In the utility model, V-shaped groove aluminium alloy guide wheel both can be used as the upper block 1 shown in Fig. 2 A, also can be used as lower tumbler 5.
Claims (4)
1. the aluminium alloy guide wheel of a surface ceramic deposition is characterized in that: one deck ceramic coating is arranged on the integral surface of aluminium alloy guide wheel.
2. surface ceramic deposition aluminium alloy guide wheel according to claim 1 is characterized in that: ceramic coating is an alundum (Al.
3. surface ceramic deposition aluminium alloy guide wheel according to claim 1 is characterized in that: the thickness of ceramic coating is 1～50 micron.
4. surface ceramic deposition aluminium alloy guide wheel according to claim 1 is characterized in that: case hardness is Hv1300～Hv1800.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201484407U CN201046522Y (en) | 2007-06-05 | 2007-06-05 | Surface ceramic bovine aluminum alloy guide wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201484407U CN201046522Y (en) | 2007-06-05 | 2007-06-05 | Surface ceramic bovine aluminum alloy guide wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201046522Y true CN201046522Y (en) | 2008-04-16 |
Family
ID=39299097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201484407U Expired - Fee Related CN201046522Y (en) | 2007-06-05 | 2007-06-05 | Surface ceramic bovine aluminum alloy guide wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201046522Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632307A (en) * | 2011-02-10 | 2012-08-15 | 林永淦 | Umbrella-shaped guide wheel for linear cutting machine |
| CN104942392A (en) * | 2015-06-18 | 2015-09-30 | 江苏塞维斯数控科技有限公司 | Wire cutting machine guide wheel |
-
2007
- 2007-06-05 CN CNU2007201484407U patent/CN201046522Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632307A (en) * | 2011-02-10 | 2012-08-15 | 林永淦 | Umbrella-shaped guide wheel for linear cutting machine |
| CN102632307B (en) * | 2011-02-10 | 2015-07-15 | 林永淦 | Umbrella-shaped guide wheel for linear cutting machine |
| CN104942392A (en) * | 2015-06-18 | 2015-09-30 | 江苏塞维斯数控科技有限公司 | Wire cutting machine guide wheel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080416 Termination date: 20120605 |