CN106696391A - Method for manufacturing high-temperature-resistance cylinder head gasket - Google Patents
Method for manufacturing high-temperature-resistance cylinder head gasket Download PDFInfo
- Publication number
- CN106696391A CN106696391A CN201710008136.0A CN201710008136A CN106696391A CN 106696391 A CN106696391 A CN 106696391A CN 201710008136 A CN201710008136 A CN 201710008136A CN 106696391 A CN106696391 A CN 106696391A
- Authority
- CN
- China
- Prior art keywords
- powder
- cylinder
- alumina powder
- water
- head gasket
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F11/00—Arrangements of sealings in combustion engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
- B32B2037/243—Coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/51—Elastic
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a method for manufacturing a high-temperature-resistance cylinder head gasket. The method comprises the following steps: (1) weighing the following raw materials: 45 percent of alumina powder, 40 percent of graphite powder, 15 percent of polybenzothiazole adhesive and the balance of water; overturning and stirring the alumina powder in a stirrer, spraying water, adding the graphite powder into the stirrer after the alumina powder is slightly wet, uniformly stirring, spraying the polybenzothiazole adhesive, uniformly stirring, discharging the material, and carrying out push-pressing and mold-pressing to form an alumina sheet block; (2) firmly pressing the alumina sheet block on two sides of a stainless steel coated sheet, forming a cylinder hole, a water hole and an engine oil hole according to models, and coating the periphery of the cylinder hole with the stainless steel coating; and (3) coating the polybenzothiazole adhesive to two sides of a cylinder head gasket, and airing for use. The high-temperature-resistance cylinder head gasket manufactured by adopting the method has good sealing property, good rebound resilience, high temperature resistance and durability.
Description
Technical field
The present invention relates to a kind of gas engine part, specifically a kind of preparation method of high temperature resistant cylinder pad.
Background technology
Existing head gasket is by passing through to push away at normal temperatures after asbestos fibre (powder) and polytetrafluoroethylene (PTFE) (PTFE) mixed with resin
Pressure and die pressing shaping, then the rubber mass asbestos paper (plate) through being made around knot.Then asbestos paper (plate) is pressed in one block of iron sheet
The two sides of thin plate is punched out bound edge and has been made a complete head gasket again.Head gasket shape is generally rectangle, in cylinder pad
On be provided with the conventional through holes such as cylinder holes, water hole, spill port, gong nail.
There is following defect in existing head gasket：1) material selected is difficult to dissipate solution heat, and the base-material of existing cylinder pad is asbestos
Fiber (powdery), physical and chemical performance；" thermal conductivity=0 ", heat transfer heat dispersion is poor, and the heat in cylinder is difficult to dissipate solution, easily causes height
Temperature.2) cylinder cushion material no adhesion, loosely organized, easily collapses and easily splits.3) without expansion character, when engine high-temperature, casing wall by
When high temperature deforms sinking, space and gas leakage are occurred in that between head gasket and casing wall plane, cause each cylinder to be collaborated mutually, caused
Engine damage." elastic modelling quantity=0 " of asbestos, asbestos turn under the pushing and molding after cylinder pad without screen resilience, are installing
Upper engine, when clenching solid with gong, cylinder is paved less than second-compressed pressuring action.Cylinder pad is sticked when overheat or high temperature is run into
Glue will dissolve softening, and the fastening gong nail of cylinder pad loosens, and makes engine earlier period damage.
PTFE polyflon viscoses used by existing cylinder pad, physical and chemical performance：" fusing point "=327 DEG C, trouble free service
Temperature=(+250 DEG C) and (- 180 DEG C) are easily aging and inharmonious.PTFE glutinous agent when temperature when engine high-temperature reaches 450 DEG C
Melted and burnt change carbon, asbestos cylinder pad fester cause cylinder gas leakage, leak, lubricating oil leakage and damage, its reason be hair
In use for some time, cylinder pad, viscose can melt contraction to motivation head gasket, and asbestos are loose, and cylinder pad is thinning therewith, makes on cylinder cap
Gong nail loosen.And it is to share a casing wall that the adjacent casing wall of head gasket is two cylinders, again than relatively thin, casing wall is again for casing wall
To cooling water cooling.Learnt from above-mentioned, thermal conductivity=0 of asbestos, poor radiation, the temperature on adjacent casing wall cannot be obtained very well
Radiating, thus accumulated heat and cause high temperature, with plane deformation on the cylinder of the contact position of cylinder pad sealing toward recessed during high temperature.
Further, since the cylinder holes below existing cylinder pad is to use iron sheet bound edge, bound edge is wide and wraps across adjacent cylinder, cylinder with
Passage is not reserved in the middle of cylinder, asbestos soft body is encased completely by iron sheet cannot be bonded with plane on the casing wall of adjacent cylinder, such cylinder
Plane deformation is recessed on wall, and iron sheet plate face has occurred as soon as space with casing wall plane, causes gas blowby, washes out head gasket, makes engine
Earlier period damage.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of preparation method of high temperature resistant cylinder pad, have the cylinder pad being made
There are high sealing performance, and high temperature resistant.
The present invention solves above-mentioned technical problem with following technical scheme：
The preparation method of high temperature resistant cylinder pad of the present invention, including following operating procedure：
1) aluminum oxide thin plate is prepared：
Raw material is matched by mass percentage：Alumina powder 45%, graphite powder 40%, polybenzothiozole viscose 15% is remaining
It is water to measure；
Preparation technology：
Alumina powder is put into stirring of being rolled in mixer, then water is sprayed, after aluminium powder to be oxidized is somewhat damp,
Again will graphite powder add be stirred in mixer it is uniform after, then after polybenzothiozole viscose is sprayed into stirs, by material
Go out machine pushing and touch and be pressed into thin plate block and airing；
2) cylinder pad is prepared：By step 1) the aluminum oxide thin plate that obtains fasten spurt thickness be 0.2mm -0.25mm not
Become rusty on the two sides of steel sheet, then cylinder-bore, water hole, oil hole are outputed by type, be then the stainless of 0.2-0.25mm with thickness
Sheetmetal encases the periphery of cylinder-bore；
3) polybenzothiozole viscose finally is coated on cylinder pad both sides again, is can be used after airing.
The alumina powder used the alumina powder of 600 mesh, the graphite powder to use the graphite powder of the mesh of mesh number ＞ 32.
The alumina powder is substituted using aluminium powder or aluminium hydrate powder.
The high temperature resistant cylinder pad good airproof performance obtained using the inventive method, resilience is good, high temperature resistant, durable.Cylinder of the present invention
Pad compared with prior art, has the advantages that：
1. base-material selects alumina powder [Al2o3] or aluminium powder or aluminium hydrate powder.Physical and chemical performance；The fusing point of pure zirconia aluminium powder
=600 DEG C, extexine fusing point=2000 DEG C.With the good antipyretic heat dispersion of water suction.Its coefficient of expansion=7.2-8.6
(10—6·K—1), swell increment is big.
2. the auxiliary agent that the present invention is selected is graphite powder, physical property：3800 DEG C of fusing point, with Al2o3After compound, can improve
Al2o3Fusing point 42% -44%, graphite powder glue connection fiber have tack, pliability, lubricity in itself, it is non-aging, be difficult
Fracture is least good.
3. using the glutinous agent of polybenzothiozole as structure glue, physical and chemical performance；High temperature resistant, safe working temperature is higher than 500 DEG C,
With graphite powder and Al2o3Temperature after mixing more than 500 DEG C can also improve 18% -21% resistance to temperature so that it is sticked
Glue is doubled many resistant to elevated temperatures temperature than the viscose used by existing cylinder pad.
Brief description of the drawings
Fig. 1 is the structural representation of high temperature resistant cylinder pad of the present invention.
Specific embodiment
The inventive method is further described below：
The preparation method of high temperature resistant cylinder pad of the present invention, including following operating procedure：
1) aluminum oxide thin plate is prepared：
Raw material is matched by mass percentage：Alumina powder 45%, graphite powder 40%, polybenzothiozole viscose 15% is remaining
It is water to measure；The alumina powder used the alumina powder of 600 mesh, the graphite powder to use the graphite powder of the mesh of mesh number ＞ 32；Institute
Stating alumina powder can also be substituted using lead powder or aluminium hydrate powder.
Preparation technology：
Alumina powder is put into stirring of being rolled in mixer, then water is sprayed, after aluminium powder to be oxidized is somewhat damp,
Again will graphite powder add be stirred in mixer it is uniform after, then after polybenzothiozole viscose is sprayed into stirs, will expect
Machine is pushed and touched and is pressed into thin plate block and airing, that is, obtain aluminum oxide film plate；
2) cylinder pad is prepared：By step 1) the aluminum oxide thin plate that obtains fasten spurt thickness be 0.2mm -0.25mm not
Become rusty on the two sides of steel sheet, then (as shown in Figure 1, part bolt hole etc. does not have to output cylinder-bore, water hole, oil hole etc. by type
Show), then encase the periphery of cylinder-bore for the stainless steel sheet| of 0.2-0.25mm with thickness again；
3) polybenzothiozole viscose finally is coated on cylinder pad both sides again, is can be used after airing.
The test case of the cylinder pad for obtaining is made the following is the inventive method：
Experiment one, is burnt during to 250 DEG C with naked light with firelock to product head gasket of the present invention, and the swell increment of cylinder pad=
0.08mm, burns to 1000 DEG C of swell increment=0.13mm, and swell increment is 7.2% (cylinder mat thickness=1.8mm, swell increment 0.13mm).
When burning two adjacent casing walls to 900-1000 DEG C with naked light with firelock, casing wall deforms (recessed) 0.045mm that sinks.With fire
When rifle burns 400 DEG C of cylinder head lower plane with naked light, up camber arch plays 0.052mm and (indicates cylinder cap plane deformation：Cylinder wall temperature 1000
DEG C=400 DEG C -450 DEG C of cylinder cap temperature) because cylinder cap has water hole and the water channel to have cooling water, cool down.Casing wall does not have cooling water
Cooling, the temperature highest at this position when engine works is the place for being easiest to punching pad.During engine high-temperature, casing wall and
The total deformation space of cylinder cap is 0.097mm, and the swell increment of head gasket is 0.13mm, the space 0.097mm that deformation retract goes out, this hair
Bright head gasket swell increment is more than space 0.033mm, it is seen then that head gasket swell increment is big so that between head gasket and casing wall plane not
Easily there is space and gas leak phenomenon.
Experiment two, cylinder pad of the present invention is installed in engine, start engine in, at a high speed 4000 revs/min -4500
Rev/min rotation speed operation, in the case of engine no-cooling-water, operated 25 minutes afterwards, engine because of high temperature oneself
It is flame-out.External engine temperature is measured when flame-out for 267 DEG C and 238 DEG C, after engine misses, is added to engine water tank at once
Note cooling water, water will not be leak into cylinder, restart engine, and engine works, and all are all normal.
Experiment three, is provided with the engine of the cylinder pad that the inventive method is prepared, and can pacify in the case of no-cooling-water
More than 38 kilometers of full traveling.Engine will not gas leakage and damage.Test method, allows automobile anhydrous traveling on highway, works as traveling
To engine auto extinguishing when 11-12 kilometers, engine external skin temperatures are waiting engine temperature at 200 DEG C-250 DEG C
After degree is down to normal temperature, restarting engine can continue more than ten kilometers of safety traffic again, can drive safely intermittently like this several
Ten kilometers.
Claims (3)
1. a kind of preparation method of high temperature resistant cylinder pad, it is characterised in that it includes following operating procedure：
1) aluminum oxide thin plate is prepared：
Raw material is matched by mass percentage：Alumina powder 45%, graphite powder 40%, polybenzothiozole viscose 15% is balance of
Water；
Preparation technology：
Alumina powder is put into stirring of being rolled in mixer, then water is sprayed, after aluminium powder to be oxidized is somewhat damp, then will
Graphite powder add be stirred in mixer it is uniform after, then after polybenzothiozole viscose is sprayed into stirs, material is gone out into machine
With pushing and be molded into thin plate block and airing；
2) cylinder pad is prepared：By step 1) the aluminum oxide thin plate that obtains is fastened in spurt thickness is the stainless steel of 0.2mm -0.25mm
On the two sides of thin skin plate, then cylinder-bore, water hole, oil hole are outputed by type, be then the stainless steel of 0.2-0.25mm with thickness
Suitcase lives the periphery of cylinder-bore；
3) polybenzothiozole viscose finally is coated on cylinder pad both sides again, is can be used after airing.
2. the preparation method of high temperature resistant cylinder pad according to claim 1, it is characterised in that the alumina powder used 600
Purpose alumina powder, the graphite powder uses the graphite powder of the mesh of mesh number ＞ 32.
3. the preparation method of high temperature resistant cylinder pad according to claim 1 or claim 2, it is characterised in that the alumina powder is by aluminium powder
Or aluminium hydrate powder is substituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710008136.0A CN106696391B (en) | 2017-01-05 | 2017-01-05 | A kind of production method of high temperature resistant cylinder pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710008136.0A CN106696391B (en) | 2017-01-05 | 2017-01-05 | A kind of production method of high temperature resistant cylinder pad |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106696391A true CN106696391A (en) | 2017-05-24 |
| CN106696391B CN106696391B (en) | 2019-01-29 |
Family
ID=58908049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710008136.0A Active CN106696391B (en) | 2017-01-05 | 2017-01-05 | A kind of production method of high temperature resistant cylinder pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106696391B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4049856A (en) * | 1976-10-16 | 1977-09-20 | Tba Industrial Products Limited | Gaskets |
| CN102358684A (en) * | 2011-07-19 | 2012-02-22 | 宁波赛尔密封材料有限公司 | Low-leakage high-temperature resistant asbestos-free plate or cushion |
-
2017
- 2017-01-05 CN CN201710008136.0A patent/CN106696391B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4049856A (en) * | 1976-10-16 | 1977-09-20 | Tba Industrial Products Limited | Gaskets |
| CN102358684A (en) * | 2011-07-19 | 2012-02-22 | 宁波赛尔密封材料有限公司 | Low-leakage high-temperature resistant asbestos-free plate or cushion |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106696391B (en) | 2019-01-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20070014965A1 (en) | Gasket material for use in high pressure, high temperature apparatus | |
| CN102533152B (en) | Heat-conducting siliconfilm and manufacturing method thereof | |
| US2992151A (en) | Gasketing material | |
| CN102792076B (en) | Vehicle engine oil seal | |
| CN109232848B (en) | DDI lining layer for solid rocket engine medicine loading and application method thereof | |
| JP2004039829A (en) | Heat radiation member, its manufacturing method, and its lay-out method | |
| CN110157389A (en) | A kind of high intensity heat conductive silica gel gasket and preparation method thereof | |
| CN106696391A (en) | Method for manufacturing high-temperature-resistance cylinder head gasket | |
| JP4490860B2 (en) | Joint materials and gaskets | |
| JP3964918B2 (en) | Refractory double-layer pipe fittings | |
| CN207048690U (en) | One kind is used to prevent gas well annular space sleeve structure with pressure | |
| KR102419570B1 (en) | gasket sealing material | |
| CN103387747A (en) | Expansive sealant for emergency plugging and preparation method thereof | |
| CN108314964A (en) | Organosilicon coating and its preparation method and application | |
| JP2012146929A (en) | Heat radiation structure and method for manufacturing the same | |
| JPS6032881A (en) | Gasket material and its manufacture | |
| JP2007246664A (en) | Heat conductive sheet | |
| CN110081109B (en) | Low-noise friction material and preparation method thereof | |
| TW201309944A (en) | Ready to use gasket | |
| US20220250983A1 (en) | Friction material | |
| CN206256971U (en) | A kind of engine piston ring of carbon fiber-containing composite bed | |
| JP2920602B2 (en) | Joint sheet | |
| JPS60147489A (en) | Material for gasket and its preparation | |
| JPH0662933B2 (en) | Compound gasket | |
| JPH08184376A (en) | Sealing method for container-form structure for oil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211215 Address after: 545000 No. 6-1-1-3, dongxinjiayuan, No. 19, Jingyuan Road, Liuzhou City, Guangxi Zhuang Autonomous Region (entrusted by Guangxi Wanger business secretary Co., Ltd.) Patentee after: Liuzhou Dehan Technology Co.,Ltd. Address before: Hengxian Yunbiao town homes in Nanning City, the Guangxi Zhuang Autonomous Region 530306 Patentee before: Qin Shufu |
|
| TR01 | Transfer of patent right |