CN105313513B - Piston skirt carbon fiber coating layer printing process and its curing oven - Google Patents
Piston skirt carbon fiber coating layer printing process and its curing oven Download PDFInfo
- Publication number
- CN105313513B CN105313513B CN201510703046.4A CN201510703046A CN105313513B CN 105313513 B CN105313513 B CN 105313513B CN 201510703046 A CN201510703046 A CN 201510703046A CN 105313513 B CN105313513 B CN 105313513B
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- piston
- carbon fiber
- coating layer
- fiber coating
- furnace body
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/12—Stencil printing; Silk-screen printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/0483—Drying combined with cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/0054—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using protective coatings or film forming compositions cured by thermal means, e.g. infrared radiation, heat
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
A kind of printing process of piston skirt carbon fiber coating layer and its curing oven, are related to engine piston surface strengthening technology field.Carbon fiber coating layer printing process in piston skirt provided by the present invention and its curing oven, the piston of production is compared with the piston that the prior art produces, reduce the surface defect of carbon fiber coating layer, there is the bond strength of enhancing carbon fiber coating layer and matrix, adapt to the good effect of high intensity engine demand.
Description
Technical field
The present invention relates to engine piston surface strengthening technology fields, especially belong to a kind of piston skirt carbon fiber
The printing process of coating and its curing oven.
Background technology
Two important parameters of measured engine performance are power per liter and maximum outbreak pressure PCP, bring engine strong
The increase of load is spent, engine is to piston weight, and the requirement of structure and friction loss is continuously improved, and wherein skirt section coating is to rubbing
It wipes function effect and accounts for about 20% or more of entire piston friction work(, therefore good piston skirt coating can effectively reduce friction
Work(, now widely used equadag coating, piston run when tribological property it is not good enough, piston with crank on the engine under
When stop moves, piston skirt is frequently contacted with cylinder wall, and there are the abrasive wear risks that engine initial starts up the stage.Although
Some producers attempt to utilize carbon fiber coating layer, but because there are coating surfaces pin hole, bubble and anchoring strength of coating difference etc.
Defect cannot be satisfied the needs of high intensity engine.
Invention content
The purpose of the present invention is to provide a kind of piston skirt carbon fiber coating layer printing process and its curing ovens, are subtracted with reaching
Few carbon fiber coating layer surface defect, the bond strength for enhancing carbon fiber coating layer, advanced optimize piston skirt carbon fiber coating layer
Purpose.
Carbon fiber coating layer printing process in piston skirt provided by the present invention, which is characterized in that include the following steps：
Step 1, piston cleans；Carried out spraying water with high pressure successively to piston using automatic high pressure cleaning equipment cleaning, gas is blown
Dry, hot-air seasoning；Including piston prerinse, 2 cleaning by degreasing, 3 washings and pure water spray and drying；
Step 2, piston cleanliness detects；It is tested to the piston after cleaning using hydraulic model experiment method, it is ensured that piston table
Face does not have grease, dirt；Specific detecting step is first to immerse in pure water piston, then gently move in water, by piston
20 seconds are stood after taking out the water surface, if piston face forms one layer of continuous moisture film, is then determined as cleannes qualification, otherwise as lived
The moisture film on plug surface is gathered into water droplet, and then piston cleanliness is unqualified；
Step 3, piston the pre-heat treatment；Piston is put into intelligent far-infrared baking oven, piston preheating temperature reach 40 DEG C-
60℃；
Step 4, piston carbon fiber coating layer silk-screen printing；Prepare web plate, lives piston using fixture clamping, carry out position tune
Examination, then prints carbon fiber coating layer；When printing, temperature is maintained at 24 ± 4 DEG C, and humidity is maintained at 40% or less；
Step 5, piston carbon fiber coating layer cures；Piston is put into curing oven, 6 heating zones being arranged using curing oven
Between：Section 1）The volatilization of piston face diluent is accelerated in preheating, in 10 minutes workpiece rise to 100 by room temperature ±）℃；Section
2) to section 3）Heating, workpiece rises to 195 ± 5 DEG C by 100 DEG C in 20 minutes；Section 4) to section 6) heat preservation, 195 ± 5
It is kept for 40 minutes in DEG C environment；
Step 6, cooling；Pressure cooling is carried out to piston by wind turbine, workpiece surface temperature is made to be down to 60 DEG C hereinafter, then
It takes out.
Above-mentioned piston skirt carbon fiber coating layer prints curing oven, has furnace body, conveying mechanism and temperature control mechanism, there is holder
Support furnace body and conveying mechanism, which is characterized in that the furnace body is assembled by furnace body wall, and be divided into preheating zone, heating zone,
Heat preservation zone and cooling zone；The structure of the conveying mechanism is that motor is placed in holder, and carrier chain is driven by transmission mechanism
It takes turns, carrier chain is installed on transportation sprocket, carrier chain passes through furnace body and internal stent, holder one end to be equipped with turn with chain interoperation
Axis；Chain support is arranged below in carrier chain, and pallet is disposed above carrier chain；The temperature control mechanism include electrical heating case, wind turbine,
Cooling blower and air filtration, preheating zone, heating zone, heat preservation zone wind turbine be respectively arranged in furnace body wall, cooling zone furnace body upper wall
For opening, cooling blower is installed, air filtration is installed above cooling blower；Electrical heating case is located at the lower section of impeller of blower,
It is installed on sidewall of the furnace body in a manner of pulling and pushing.
The furnace body wall is made of inner wall, the rock wool insulating layer of outer wall and filling between the inner walls and the outer.
There is through-hole on the pallet.
The cooling zone outlet top is equipped with exhaust duct.
Carbon fiber coating layer printing process in piston skirt provided by the present invention and its curing oven, the piston of production and existing skill
The piston of art production is compared, and the surface defect of carbon fiber coating layer is reduced, and has the combination of enhancing carbon fiber coating layer and matrix strong
Degree, the good effect for adapting to high intensity engine demand.
Description of the drawings
Fig. 1, piston skirt carbon fiber coating layer printing process flow diagram.
Fig. 2, piston skirt carbon fiber coating layer print curing oven front view；
Fig. 3, piston skirt carbon fiber coating layer print curing oven left side view.
Specific implementation mode
As shown in Figure 1, specifically including following steps to the piston skirt carbon fiber coating layer printing process of the present invention：
1. piston cleans
Piston is carried out successively using automatic high pressure cleaning equipment spraying water with high pressure cleaning, gas drying, hot-air seasoning side
Formula, each work step are continuously cleaned successively automatically by transmission chain, specifically include following 8 steps：Piston prerinse；Cleaning by degreasing 1
It is secondary；Cleaning by degreasing 2 times；Washing 1 time；Washing 2 times；Washing 3 times；Pure water sprays；Drying.
2. piston cleanliness detects
It is tested to the piston after cleaning using hydraulic model experiment method, it is ensured that piston face does not have grease, dirt, Yi Mianying
Ring the stability of carbon fiber coating layer quality.Specific detecting step is first to immerse in pure water piston, then gently transport in water
It is dynamic, 20 seconds are stood after piston is taken out the water surface, if piston face forms one layer of continuous moisture film, is then determined as that cleannes are closed
Lattice, on the contrary piston cleanliness is unqualified if the moisture film of piston face is gathered into water droplet.
3. piston the pre-heat treatment
The pre-heat treatment is carried out to piston before printing carbon fiber coating layer, piston is made to dry.Piston is put into intelligent far infrared
In oven, the piston temperature after preheating reaches 40 DEG C -60 DEG C, can be detected with temperature measuring device, such as use contact
Formula digital display thermometer carrys out measuring temperature.
4. piston carbon fiber coating layer silk-screen printing
Silk-screen printing is as follows： 1）Preparation web plate, 2）Fixture clamping lives piston, and 3）Piston position is debugged, and 4）
Print carbon fiber coating layer.When printing, room temperature is maintained at 24 ± 4 DEG C, and room humidity is maintained at 40% hereinafter, forbidding to use simultaneously
Hand touches piston skirt.
5. piston carbon fiber coating layer cures
To ensure that coating in the adhesion strength of piston face, piston is put into curing oven, 6 heating zones of curing oven are utilized
Between：Section 1）The volatilization of piston face diluent is accelerated in preheating, and workpiece rises to 100 ± 5 DEG C by room temperature in 10 minutes；Section
2), section 3）Heating, workpiece rises to 195 ± 5 DEG C by 100 DEG C of room temperature in 20 minutes；Section 4), section 5), section 6) heat preservation,
Continuous operation 40 minutes in 195 ± 5 DEG C of environment.
6. cooling
Pressure cooling is carried out to piston by wind turbine, workpiece surface temperature is made to be down to 60 DEG C hereinafter, being taken out convenient for artificial.
The present invention generates carbon fiber coating layer and prior art graphite printed coating D10 check feature parameter comparisons：
| Performance parameter | Graphite printed coating | Carbon fiber coating layer of the present invention |
| Corrosion resistance（h） | 300 or more | 600 or more |
| Falex pressure tests（N) | 10800 | 16500 |
| Friction coefficient after running-in（u） | 0.082 | 0.055 |
| High temperature resistant（℃） | 1500 | 1600 |
| Tensile strength（mpa） | 4800 | 6100 |
As shown in Figure 2 and Figure 3, piston skirt carbon fiber coating layer provided by the present invention prints curing oven, has furnace body, defeated
Send mechanism and temperature control mechanism, which is characterized in that holder supports furnace body and conveying mechanism, the furnace body assembled by furnace body wall 1 and
At, and it is divided into preheating zone 2, heating zone 3, heat preservation zone 4 and cooling zone 5；Furnace body wall is by inner wall, outer wall and is filled in inner wall and outer
Rock wool insulating layer between wall is constituted, and furnace body external operating environment temperature is excessively high when can avoid operation of the present invention.
The structure of the conveying mechanism is that frequency control motor 6 is placed in holder lower position, passes through speed reducer, chain
Item and transmission axis connection transportation sprocket 7 is crossed, carrier chain is installed, carrier chain passes through furnace body and internal stent on transportation sprocket；Branch
Frame one end is equipped with the shaft with chain interoperation, and shaft is mounted on plain bearing housing 8, by adjusting ramp bearings, can be improved
The tensioning of carrier chain；Pallet is disposed above carrier chain, chain support 9 is arranged below in carrier chain, to ensure that pallet being capable of steady row
Into.Pallet uses the hollow type with through-hole, can ensure the circulation of hot wind, product is made to be heated evenly.
The temperature control mechanism includes electrical heating case 10, wind turbine 11, cooling blower 12 and air filtration 13, preheating zone, liter
Warm area, heat preservation zone assembling are on furnace body upper wall, and blower motor is on the outside of furnace body upper wall, and impeller of blower is in furnace body upper wall
Side；Electrical heating case is located at the lower section of impeller of blower, is mounted on sidewall of the furnace body in a manner of pulling and pushing, avoids blower motor in height
Under temperature the drawbacks of work, the heat on electrical heating case is also made to be blown on product.Cooling zone furnace body upper wall is opening, is equipped with cold
But wind turbine carries out pressure cooling, is equipped with air filtration above cooling blower, avoids the sundries in air from causing product secondary
Pollution.
The outside of cooling zone is product discharge station, sets exhaust duct above product discharge station, can be discharged to hot wind
Outdoor, to avoid the cleaning and safety for influencing operating environment.It is equipped with the full detection switch of material in discharge station, when product reaches blanking
Prompting is sent out when station, when avoiding leaving equipment because operator is of short duration, workpiece is caused to fall.
Claims (5)
1. a kind of piston skirt carbon fiber coating layer prints curing oven, there is furnace body, conveying mechanism and temperature control mechanism, there is holder support
Furnace body and conveying mechanism, the furnace body is by furnace body wall（1）Assemble, and is divided into preheating zone (2), heating zone (3), heat preservation zone
（4）The cooling zone and（5）；The structure of the conveying mechanism is motor（6）It is placed in holder, is driven and is conveyed by transmission mechanism
Sprocket wheel（7）, carrier chain is installed, carrier chain passes through furnace body and internal stent, and holder one end is equipped with matches with chain on transportation sprocket
The shaft of conjunction；Chain support is arranged below in carrier chain（9）, carrier chain top disposes pallet；The temperature control mechanism includes that electricity adds
Hot tank（10）, wind turbine（11）, cooling blower（12）And air filtration（13）, preheating zone, heating zone, heat preservation zone wind turbine pacify respectively
Loaded on furnace body wall, cooling zone furnace body upper wall is opening, is equipped with cooling blower, air filtration is equipped with above cooling blower；Electricity
Heater box is located at the lower section of impeller of blower, is installed on sidewall of the furnace body in a manner of pulling and pushing；It is characterized in that, being based on piston skirt
Carbon fiber coating layer prints the piston skirt carbon fiber coating layer printing process of curing oven, includes the following steps：
Step 1, piston cleans；Carry out spray water with high pressure cleaning, gas drying, heat successively to piston using automatic high pressure cleaning equipment
Wind is dried；
Step 2, piston cleanliness detects；It is tested to the piston after cleaning using hydraulic model experiment method, it is ensured that piston face does not have
There are grease, dirt；Specific detecting step is first to immerse in pure water piston, then gently move in water, piston is taken out
20 seconds are stood after the water surface, if piston face forms one layer of continuous moisture film, is then determined as cleannes qualification, otherwise such as piston table
The moisture film in face is gathered into water droplet, and then piston cleanliness is unqualified；
Step 3, piston the pre-heat treatment；Piston is put into intelligent far-infrared baking oven, piston preheating temperature reaches 40 DEG C or 60
℃；
Step 4, piston carbon fiber coating layer silk-screen printing；Prepare web plate, lives piston using fixture clamping, carry out position debugging, so
After print carbon fiber coating layer；When printing, temperature is maintained at 24 ± 4 DEG C, and humidity is maintained at 40% or less；
Step 5, piston carbon fiber coating layer cures；Piston is put into curing oven, 6 heating intervals being arranged using curing oven：
Section 1）The volatilization of piston face diluent is accelerated in preheating, and workpiece rises to 100 ± 5 DEG C by room temperature in 10 minutes；Section 2) extremely
Section 3）Heating, workpiece rises to 195 ± 5 DEG C by 100 DEG C in 20 minutes；Section 4) to section 6) heat preservation, in 195 ± 5 DEG C of rings
It is kept for 40 minutes in border；
Step 6, cooling；Pressure cooling is carried out to piston by cooling blower, workpiece surface temperature is made to be down to 60 DEG C hereinafter, then
Taking-up.
2. piston skirt carbon fiber coating layer according to claim 1 prints curing oven, which is characterized in that the furnace body wall
（1）It is made of inner wall, the rock wool insulating layer of outer wall and filling between the inner walls and the outer.
3. piston skirt carbon fiber coating layer according to claim 1 prints curing oven, which is characterized in that the carrier chain
There is through-hole on the pallet of top.
4. piston skirt carbon fiber coating layer according to claim 1 prints curing oven, which is characterized in that the outside of cooling zone
For product discharge station, product discharge station top sets exhaust duct.
5. piston skirt carbon fiber coating layer according to claim 1 prints curing oven, which is characterized in that the outside of cooling zone
For product discharge station, product discharge station is equipped with material full gate and closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510703046.4A CN105313513B (en) | 2015-10-27 | 2015-10-27 | Piston skirt carbon fiber coating layer printing process and its curing oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510703046.4A CN105313513B (en) | 2015-10-27 | 2015-10-27 | Piston skirt carbon fiber coating layer printing process and its curing oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105313513A CN105313513A (en) | 2016-02-10 |
| CN105313513B true CN105313513B (en) | 2018-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510703046.4A Active CN105313513B (en) | 2015-10-27 | 2015-10-27 | Piston skirt carbon fiber coating layer printing process and its curing oven |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106864061A (en) * | 2017-02-22 | 2017-06-20 | 青岛北琪实业有限公司 | A kind of can typography |
| CN109605968B (en) * | 2018-11-02 | 2020-11-27 | 成都银河动力有限公司 | Process for improving thickness of graphite screen printing coating of aluminum piston |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2849618Y (en) * | 2005-11-21 | 2006-12-20 | 南京年达炉业科技有限公司 | Continuous solar battery plate solidifying furnace |
| CN201983594U (en) * | 2011-03-23 | 2011-09-21 | 上海煦康电子科技有限公司 | Tunnel-type drying and sintering furnace |
| CN102261291A (en) * | 2010-05-24 | 2011-11-30 | 陈殿宽 | Piston and production process thereof |
| CN102705100A (en) * | 2012-06-12 | 2012-10-03 | 曲阜金皇活塞股份有限公司 | Internal combustion engine piston provided with composite layer and manufacturing method thereof |
| CN202823831U (en) * | 2012-10-17 | 2013-03-27 | 重庆理工大学 | Tunnel-typed piston preheating drying curing oven |
| CN203449744U (en) * | 2013-07-22 | 2014-02-26 | 东莞市元升光学有限公司 | UV drying machine |
| CN203470253U (en) * | 2013-09-02 | 2014-03-12 | 中磁科技股份有限公司 | Automatic Dacromet spraying curing system |
| CN103692793A (en) * | 2013-11-22 | 2014-04-02 | 桐乡市凯盛精密机械有限公司 | Method for carrying out coating on surface of automobile air conditioning compressor piston cylinder |
| CN204401072U (en) * | 2015-01-26 | 2015-06-17 | 河北星烁锯业股份有限公司 | Continous way bar plate heating stove |
| CN205326486U (en) * | 2015-10-27 | 2016-06-22 | 山东双港活塞股份有限公司 | Piston skirt carbon fiber coating printing curing oven |
-
2015
- 2015-10-27 CN CN201510703046.4A patent/CN105313513B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2849618Y (en) * | 2005-11-21 | 2006-12-20 | 南京年达炉业科技有限公司 | Continuous solar battery plate solidifying furnace |
| CN102261291A (en) * | 2010-05-24 | 2011-11-30 | 陈殿宽 | Piston and production process thereof |
| CN201983594U (en) * | 2011-03-23 | 2011-09-21 | 上海煦康电子科技有限公司 | Tunnel-type drying and sintering furnace |
| CN102705100A (en) * | 2012-06-12 | 2012-10-03 | 曲阜金皇活塞股份有限公司 | Internal combustion engine piston provided with composite layer and manufacturing method thereof |
| CN202823831U (en) * | 2012-10-17 | 2013-03-27 | 重庆理工大学 | Tunnel-typed piston preheating drying curing oven |
| CN203449744U (en) * | 2013-07-22 | 2014-02-26 | 东莞市元升光学有限公司 | UV drying machine |
| CN203470253U (en) * | 2013-09-02 | 2014-03-12 | 中磁科技股份有限公司 | Automatic Dacromet spraying curing system |
| CN103692793A (en) * | 2013-11-22 | 2014-04-02 | 桐乡市凯盛精密机械有限公司 | Method for carrying out coating on surface of automobile air conditioning compressor piston cylinder |
| CN204401072U (en) * | 2015-01-26 | 2015-06-17 | 河北星烁锯业股份有限公司 | Continous way bar plate heating stove |
| CN205326486U (en) * | 2015-10-27 | 2016-06-22 | 山东双港活塞股份有限公司 | Piston skirt carbon fiber coating printing curing oven |
Non-Patent Citations (1)
| Title |
|---|
| 抗磨损低摩擦的活塞裙部涂层;Frank T．H．Doernenburg，黄功胤，蔡德松;《上海汽车》;20111031(第10期);第53-56页 * |
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| CN105313513A (en) | 2016-02-10 |
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