CN104313527A - Method for improving abrasion resistance of automobile glass die - Google Patents
Method for improving abrasion resistance of automobile glass die Download PDFInfo
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- CN104313527A CN104313527A CN201410568378.1A CN201410568378A CN104313527A CN 104313527 A CN104313527 A CN 104313527A CN 201410568378 A CN201410568378 A CN 201410568378A CN 104313527 A CN104313527 A CN 104313527A
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- Prior art keywords
- die
- vehicle glass
- spray
- resisting property
- glass die
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
The invention relates to a method for improving the abrasion resistance of an automobile glass die. The method for improving the abrasion resistance of the automobile glass die comprises the following steps: firstly carrying out sand blasting on the automobile glass die, then carrying out low-temperature local heating on the surface of the automobile glass die, and carrying out plasma spraying for forming a zirconium oxide ceramic layer. Compared with the prior art, the method for improving the abrasion resistance of the automobile glass die has the advantages of high temperature resistance, high hardness, wear resistance, strong adhesion and the like.
Description
Technical field
The present invention relates to a kind of vehicle glass mould, especially relate to a kind of method improving vehicle glass die wear resisting property.
Background technology
Automobile fiberglass female die of die material employing both at home and abroad is all high temperature resistant stainless steel material at present, its trade mark is 310S, and this material behavior is high temperature resistant, corrosion-resistant, but this material mohs hardness is lower, only have 4.5 grades, wear-resisting not, especially when tackling large sagitta, small curve, deeply curved glass, mould both sides edge is is easily worn and torn, glass edge is made to produce the defects such as mold-mart, scratch, chip, cause glass appearance bad, cause client's batch to complain, reduce CSAT.And in process of production, solve these defects, then constantly must carry out sanding and polishing to die fray, the frequency is higher, when often producing 400 sheet glass, die need be pulled out cooling in the High Temperature Furnaces Heating Apparatus of about 700 DEG C, just can carry out polished finish, also die will be sent in stove to the heating that again heats up after polishing, whole process about needs 2 hours, extreme influence equipment capacity, also wastes many power consumptions simultaneously.
Summary of the invention
Object of the present invention be exactly in order to overcome above-mentioned prior art exist defect and a kind of method improving vehicle glass die wear resisting property is provided.
Object of the present invention can be achieved through the following technical solutions: a kind of method improving vehicle glass die wear resisting property, it is characterized in that, the method is that vehicle glass die is first carried out sandblasting, then low temperature local heating is carried out to vehicle glass molding surface, and carry out plasma spray zirconia (PSZ) ceramic layer.
Described sandblasting is specially other non-usage face gummed papers of a die and protects, and then die is put into sand blasting room, carry out sandblasting to use face 24# corundum sand, blasting pressure is 0.5-0.6mpa, and sandblasting face will reach Sa level.
Described low temperature local heating is specially and first uses face to carry out local and toast oil removing with oxy-acetylene flame to die, and temperature controls at 60-70 DEG C, to ensure its coating adherence.
Described plasma spraying is specially and first uses face to carry out plasma spraying with nickel chromium triangle powder to die, and spray power is 18KW, coat-thickness≤0.10mm, and this coating is as prime coat; And then again plasma spraying being carried out to spray-coating surface by zirconia ceramics powder, spray power is 35KW, and coat-thickness controls at 0.10-0.20mm, adopt the spraying of guide rail clip rifle, spray distance is 100mm, can control translational speed and the spray volume of spray gun, to ensure homogeneity and the thickness of coating.
The thickness of described zirconia ceramic layer is 0.20 ~ 0.25mm, and its main component is that nickel chromium triangle powder (NiCr) accounts for 20%+ zirconia ceramics powder (CrO
2) accounting for 80%, before spraying, need toast 1 hour at 100 DEG C dusty spray electric furnace.
Described vehicle glass die comprises the die profile matched with formed automobile glass shape, the die body arranged below die profile, the die blank that die body surrounding is arranged, die body is fixed on die bracket assembly by the female mold support pin arranged below it, and described zirconia ceramic layer is sprayed on described die profile surface.
The use face of above-mentioned die be placing glass die type and.
The present invention is on the basis of original vehicle glass negative molding material, first carries out sandblasting to molding surface, and its surfaceness is significantly reduced, so that produce one deck adhesion layer; Again low temperature local heating is carried out to molding surface, and spray upper plasma zirconia ceramic layer, this ceramic layer mohs hardness is 7 grades, close with glass, possess high temperature resistant, high rigidity, anti abrasive characteristic, and there is very high adhesivity, finally make molding surface produce the ceramic coating of high-wearing feature, to reach the object significantly improving production capacity and glass appearance quality.After actual enforcement, this new ceramics coating die doubles than former die in production capacity, and yield rate improves more than 30%, and glass appearance quality is also better, reduces customer complaint, reaches the set goal.
Compared with prior art, the present invention is under the prerequisite not changing original negative molding material matrix, zirconia ceramics material spraying is adopted to molding surface, make its surface coverage last layer very thin, white is fine and smooth, the high and adhesion layer that wear resistance is good of hardness, it possesses a following youngster advantage:
1. zirconic thermal expansivity is 12.2 × 10
-6m/K, with die matrix (15.9 × 10
-6m/K) close, under annealing furnace 700 DEG C of high temperature, both swell incremenies are close, and coating can not come off;
2. the mohs hardness of zirconia ceramics material and glassy phase are with (7.0 grades), and in pressing process, coating does not deform, after long-term and glass contact, can not wear and tear, surface keeps smooth all suitable, and the appearance qualities such as chip, scratch, impression can not occur compacted products;
3. zirconia ceramics material quality is fine and smooth, and coating is thin and cover equably on molding surface, does not change the original curvature trend of molding surface, mates intact, can not affect the completed state that glass is intrinsic with punch;
4. zirconia ceramics material high-hardness, wearable, has remarkable lifting to the work-ing life of die, thus greatly promotes stove production capacity, and the pressure of releasing arrangement production capacity deficiency, effectively saves power consumption, significant.
Accompanying drawing explanation
Fig. 1 is the part-structure schematic diagram before automobile die of the present invention assembling;
Fig. 2 is the structural representation after automobile die of the present invention assembling;
Fig. 3 is the structural representation after automobile die of the present invention and punch are assembled.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
As shown in Figures 1 to 3, vehicle glass die comprises the die profile 2 matched with formed automobile glass shape, the die body 3 arranged below die profile 2, the die blank 4 that die body 3 surrounding is arranged, die body 3 is fixed on die bracket assembly 7 by the female mold support pin 5 that arranges below it and bolt 6, and pad 8 is set between female mold support pin 5 and die bracket assembly 7, punch 11 is arranged on die, and punch 11 is fixed on punch assembly 10.Mated with punch assembly 10 by two datum holes 9, check and correction die profile 2 and the gap of punch 11, make it keep rational numerical value; If clearance between punch and die 12 is uneven, need be adjusted by female mold support pin 5, the stainless steel gasket 8 of different thickness on pad.The present invention is one deck zirconia ceramic layer 13 at described die profile 2 surface spraying.
The principle of design of above-mentioned mould, installation and production process are:
A, principle of design:
First according to pristine glass digital-to-analogue, design molding surface profile digital-to-analogue, design die digital-to-analogue by molding surface profile digital-to-analogue, according to die digital-to-analogue, die blank 4 is processed by CNC machine center with three axes, obtain actual die body 3; Again plasma ceramic spraying is carried out to die profile 2, obtain one deck ceramic coating 13, this coating 13 possesses good physical property, makes die body 3 when not changing original basic material, hardness, wear resistance are improved significantly, thus greatly promote its work-ing life.
B, installation and production process:
First according to the die digital-to-analogue 3 designed, design die blank 4 Water Cutting figure; The die blank 4 that Water Cutting is returned is carried out brake forming, then to its assembling, welding, and weld upper cavity die feet 5, arrive to obtain die blank 4; Three axis machining is carried out to die blank 4, obtains die body 3; Die body 3 is assembled on die bracket assembly 7, female mold support pin 5 is holed, makes die body 3 be fixed on die bracket assembly 7 with bolt 6, mated with punch assembly 10 by two datum holes 9, check and correction die profile 2 and the gap of punch 11, make it keep rational numerical value; If clearance between punch and die 12 is uneven, need be adjusted by female mold support pin 5, the stainless steel gasket 8 of different thickness on pad, and make a record; After adjusting clearance between punch and die 12, die body 3 is removed from die frame assembly 7, under transporting to special environment, separately plasma ceramic spraying is carried out to die profile 2.
Before spraying, first to carry out sandblasting to molding surface 2, reduce its surfaceness, improve surface adhesive, be specially other non-usage face gummed papers of a die to protect, then die put into sand blasting room, with 24# corundum sand, sandblasting is carried out to use face (the use face of die is the die profile 2 of placing glass 1), blasting pressure is 0.5-0.6mpa, and sandblasting face will reach Sa level;
And then local heating is carried out to die profile 2, be specially and first use face to carry out local and toast oil removing with oxy-acetylene flame to die, temperature controls at 60-70 DEG C, to ensure its coating adherence.
By plasma gun, spray treatment is carried out to heating region, till whole die profile 2 sprays last layer zirconia ceramic layer 13 all equably simultaneously.Be specially and first use face to carry out plasma spraying with nickel chromium triangle powder to die, spray power is 18KW, coat-thickness≤0.10mm, and this coating is as prime coat; And then again plasma spraying being carried out to spray-coating surface by zirconia ceramics powder, spray power is 35KW, and coat-thickness controls at 0.10-0.20mm, adopt the spraying of guide rail clip rifle, spray distance is 100mm, can control translational speed and the spray volume of spray gun, to ensure homogeneity and the thickness of coating.The thickness of described zirconia ceramic layer is 0.20 ~ 0.25mm, and its main component is that nickel chromium triangle powder (NiCr) accounts for 20%+ zirconia ceramics powder (CrO
2) accounting for 80%, before spraying, need toast 1 hour at 100 DEG C dusty spray electric furnace.
After carrying out ceramic spray coating, through naturally cooling, also need slightly to polish to die profile 2 coating sand paper, to remove partial particulate, ensure that zirconia ceramic layer 13 smooth surface is fine and smooth, do not injure glass surface visual appearance.Finally the die body 3 handled well by the datum hole 9 that processes and original record, assemble back on die bracket assembly 7, ensure the consistence of mating with punch assembly 10, this completes whole installation and production process.
The technical program has been applied on Shanghai Volkswagen TIGUAN backstop die, its 3.6 ten thousand orders of monthly having an appointment:
| Device name | Plant capacity | Working hour | Output (sheet/class) | Average power (degree electricity/sheet) |
| Molding surface is without coating | 2000KW | 7 hours | 600 | 27.4 |
| Molding surface has coating | 2000KW | 7 hours | 1200 | 12.28 |
Overall output per manshift all calculates by 100% qualification rate, and surperficial cated unit of electrical energy consumption can reduce by 50%.
The actual economize on electricity of this product moon production quantity calculates (degree electricity/every sheet):
Every sheet economize on electricity=[2000 × 7/ (600 × 85%]-[2000 × 7/ (1200 × 95%)]=27.4-12.28=15.12 degree;
Monthly order volume economize on electricity=36000 × 15.12=54.432 ten thousand degree of electricity;
Can be economized on electricity=54.432 × 12=653.184, ten thousand degree of electricity=653.184 × 0.6 yuan/degree=391.9 ten thousand yuan every year.
Claims (6)
1. improve a method for vehicle glass die wear resisting property, it is characterized in that, the method is that vehicle glass die is first carried out sandblasting, then carries out low temperature local heating to vehicle glass molding surface, and carries out plasma spray zirconia (PSZ) ceramic layer.
2. a kind of method improving vehicle glass die wear resisting property according to claim 1, is characterized in that, described sandblasting is specially carries out sandblasting to the use face of die, and blasting pressure is 0.5-0.6mpa, and sandblasting face reaches Sa level.
3. a kind of method improving vehicle glass die wear resisting property according to claim 1, is characterized in that, described low temperature local heating is specially and adopts oxy-acetylene flame to use face to carry out baking oil removing to die, and temperature controls at 60-70 DEG C.
4. a kind of method improving vehicle glass die wear resisting property according to claim 1, it is characterized in that, described plasma spraying is specially and first uses face to carry out plasma spraying with nickel chromium triangle powder to die, and spray power is 18KW, coat-thickness≤0.10mm, this coating is as prime coat; And then again plasma spraying being carried out to spray-coating surface by zirconia ceramics powder, spray power is 35KW, and coat-thickness controls at 0.10-0.20mm, and adopt the spraying of guide rail clip rifle, spray distance is 100mm.
5. a kind of method improving vehicle glass die wear resisting property according to claim 1, is characterized in that, the thickness of described zirconia ceramic layer is 0.20 ~ 0.25mm, and its main component is that nickel chromium triangle powder NiCr accounts for 20%+ zirconia ceramics powder Cr0
2account for 80%, before spraying, need toast 1 hour at 100 DEG C dusty spray electric furnace.
6. a kind of method improving vehicle glass die wear resisting property according to claim 1, it is characterized in that, the die body (3) that described vehicle glass die comprises the die type that matches with formed automobile glass shape and (2), die profile (2) below is arranged, the die blank (4) that die body (3) surrounding is arranged, die body (3) is fixed on die bracket assembly (7) by the female mold support pin (5) arranged below it, and described zirconia ceramic layer is sprayed on described die profile (2) surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410568378.1A CN104313527B (en) | 2014-10-22 | 2014-10-22 | Method for improving abrasion resistance of automobile glass die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410568378.1A CN104313527B (en) | 2014-10-22 | 2014-10-22 | Method for improving abrasion resistance of automobile glass die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104313527A true CN104313527A (en) | 2015-01-28 |
| CN104313527B CN104313527B (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410568378.1A Expired - Fee Related CN104313527B (en) | 2014-10-22 | 2014-10-22 | Method for improving abrasion resistance of automobile glass die |
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|---|---|
| CN (1) | CN104313527B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106148876A (en) * | 2015-03-27 | 2016-11-23 | 绍兴昊诚新材料科技有限公司 | A kind of novel aluminum alloy die-casting die surface peening coating and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5006321A (en) * | 1989-01-04 | 1991-04-09 | The Perkin-Elmer Corporation | Thermal spray method for producing glass mold plungers |
| CN1200358A (en) * | 1997-05-27 | 1998-12-02 | 旭硝子株式会社 | Mold for forming glass and method for forming glass |
| WO2008027482A2 (en) * | 2006-08-31 | 2008-03-06 | Corning Incorporated | Method and apparatus for minimizing oxidation pitting of refractory metal vessels |
| CN102352477A (en) * | 2011-10-19 | 2012-02-15 | 西安建筑科技大学 | Method for performing supersonic atmospheric plasma spraying of zirconium oxide on surface of crystallizer copper plate |
-
2014
- 2014-10-22 CN CN201410568378.1A patent/CN104313527B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5006321A (en) * | 1989-01-04 | 1991-04-09 | The Perkin-Elmer Corporation | Thermal spray method for producing glass mold plungers |
| CN1200358A (en) * | 1997-05-27 | 1998-12-02 | 旭硝子株式会社 | Mold for forming glass and method for forming glass |
| WO2008027482A2 (en) * | 2006-08-31 | 2008-03-06 | Corning Incorporated | Method and apparatus for minimizing oxidation pitting of refractory metal vessels |
| CN102352477A (en) * | 2011-10-19 | 2012-02-15 | 西安建筑科技大学 | Method for performing supersonic atmospheric plasma spraying of zirconium oxide on surface of crystallizer copper plate |
Non-Patent Citations (1)
| Title |
|---|
| 史中利、卢亚文: "《粘接技术在设备维修中的应用》", 31 May 1992 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106148876A (en) * | 2015-03-27 | 2016-11-23 | 绍兴昊诚新材料科技有限公司 | A kind of novel aluminum alloy die-casting die surface peening coating and preparation method thereof |
| CN106148876B (en) * | 2015-03-27 | 2019-04-02 | 绍兴科霆新材料科技有限公司 | A kind of novel aluminum alloy die-casting die surface peening coating and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN104313527B (en) | 2017-02-08 |
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Granted publication date: 20170208 Termination date: 20201022 |
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