CN114251378A - Hot die forging press clutch friction disc and friction disc sticking and riveting process - Google Patents
Hot die forging press clutch friction disc and friction disc sticking and riveting process Download PDFInfo
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- CN114251378A CN114251378A CN202111602736.2A CN202111602736A CN114251378A CN 114251378 A CN114251378 A CN 114251378A CN 202111602736 A CN202111602736 A CN 202111602736A CN 114251378 A CN114251378 A CN 114251378A
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- friction disc
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- heating
- forging press
- blank
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- 238000005242 forging Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 10
- 244000025254 Cannabis sativa Species 0.000 claims abstract description 9
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims abstract description 9
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims abstract description 9
- 238000007664 blowing Methods 0.000 claims abstract description 9
- 235000009120 camo Nutrition 0.000 claims abstract description 9
- 235000005607 chanvre indien Nutrition 0.000 claims abstract description 9
- 238000004140 cleaning Methods 0.000 claims abstract description 9
- 239000011487 hemp Substances 0.000 claims abstract description 9
- 238000005096 rolling process Methods 0.000 claims abstract description 8
- 238000005422 blasting Methods 0.000 claims abstract description 7
- 239000000428 dust Substances 0.000 claims abstract description 6
- 238000005488 sandblasting Methods 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 claims description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 8
- 238000010862 gear shaping Methods 0.000 claims description 7
- 238000010791 quenching Methods 0.000 claims description 7
- 230000000171 quenching effect Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 230000001680 brushing effect Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 3
- 238000003801 milling Methods 0.000 claims description 3
- 230000003746 surface roughness Effects 0.000 claims description 3
- 238000004381 surface treatment Methods 0.000 claims description 3
- 238000005496 tempering Methods 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000004576 sand Substances 0.000 abstract description 5
- 238000003466 welding Methods 0.000 abstract description 5
- 239000003292 glue Substances 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 238000005266 casting Methods 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 238000007670 refining Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/60—Clutching elements
- F16D13/64—Clutch-plates; Clutch-lamellae
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/60—Clutching elements
- F16D13/64—Clutch-plates; Clutch-lamellae
- F16D13/68—Attachments of plates or lamellae to their supports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/02—Composition of linings ; Methods of manufacturing
- F16D69/027—Compositions based on metals or inorganic oxides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/04—Attachment of linings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/04—Attachment of linings
- F16D2069/0425—Attachment methods or devices
- F16D2069/0433—Connecting elements not integral with the braking member, e.g. bolts, rivets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/04—Attachment of linings
- F16D2069/0425—Attachment methods or devices
- F16D2069/045—Bonding
- F16D2069/0466—Bonding chemical, e.g. using adhesives, vulcanising
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0004—Materials; Production methods therefor metallic
- F16D2200/0026—Non-ferro
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0082—Production methods therefor
- F16D2200/0086—Moulding materials together by application of heat and pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2250/00—Manufacturing; Assembly
- F16D2250/0038—Surface treatment
- F16D2250/0053—Hardening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2250/00—Manufacturing; Assembly
- F16D2250/0061—Joining
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2250/00—Manufacturing; Assembly
- F16D2250/0061—Joining
- F16D2250/0069—Adhesive bonding
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Operated Clutches (AREA)
- Forging (AREA)
Abstract
The invention discloses a hot die forging press clutch friction disc and friction disc sticking and riveting process, which adopts a rolling mode to obtain a friction disc, and adopts free forging blank making and ring forming of a rolling machine to increase material toughness, replace steel plate welding to improve product quality, and replace the problems of air holes, sand holes and the like which can not be solved by casting products; cleaning the surface of a friction disc through a sticking and riveting process, removing oil and scale, throwing hemp through a rotary table type sand blasting shot blasting machine, blowing off dust, coating glue on the surface after hemp throwing, bonding the friction disc with the friction disc, locking and pressurizing the friction disc and the friction disc by adopting a clamp, pushing the friction disc and the friction disc into a heating furnace, and heating and insulating for multiple times to obtain a hot die forging press clutch friction disc assembly; the obtained moleThe shear strength of the wiping disc component can reach 4.5mPA, the hardness HRR reaches 75-80, and the friction limit pressure is 17kg/cm2The durable temperature is 100-250 ℃, and the friction times can reach 950-1000 ten thousand.
Description
Technical Field
The invention belongs to the technical field of friction piece forming, and particularly relates to a hot die forging press clutch friction disc and friction disc sticking and riveting process.
Background
It is known that when a friction plate of a clutch of an existing hot die forging press is manufactured, a brake plate playing a key role generally consists of a friction plate and a friction plate which are made of metal materials, the friction plate is generally made of metal materials, the metal is a casting or a plate-shaped welding part, and technical defects exist in the actual use process, which are reflected that sand holes generally exist in the friction plate of the casting, the sand holes cannot be completely displayed, and the friction plate is easy to integrally break after being stressed; if a production mode of a welding piece is adopted, the efficiency is low, and the strength cannot be ensured; in addition, in the operation process of a large friction disc, the friction disc is easy to separate from the friction disc, and the existing riveting structure cannot guarantee the strength.
The applicant is a production research and development enterprise in the industry, and the production research and development enterprise can meet the requirements of customers and use units, improves the technical basis of the existing hot die forging press clutch friction module, and designs a set of new production process to solve the defects in the prior art.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a hot die forging press clutch friction disc and friction disc sticking and riveting process, which is manufactured by adopting an environment-friendly material, and the heat conduction performance, the corrosion resistance, the environment-friendly performance and the noise reduction performance of the friction disc are improved on the premise of reducing the cost.
In order to achieve the technical purpose, the invention adopts the following scheme:
firstly, manufacturing a friction disc;
firstly, selecting materials: selecting one of 35CrMo, 40Cro and 42CrMo alloy steel;
secondly, pre-forging the blank: forging the round alloy blank obtained in the step one by using a hot forging press, pre-forging the blank by using the hot forging press to form a hot forging piece, and forming by using a ring rolling machine;
thirdly, surface treatment of the blank: carrying out rough turning quenching treatment on the forge piece, then carrying out quenching and tempering treatment, and carrying out flaw detection treatment after modulation; testing the hardness after the flaw detection is qualified, wherein the hardness is controlled within the range of HRC 35-40;
fourthly, processing the surface of the blank: processing the peripheral outer diameter by adopting a vertical lathe; respectively carrying out indexing positioning drilling by adopting a planer type milling machine; gear shaping is carried out by adopting a gear shaping machine, and a tooth part is quenched, so that the hardness is increased, and the hardness requirement is HRC48-50 graduation;
cleaning the surface of a friction disc, removing oil and scale, throwing hemp by using a turntable type sand blasting shot blasting machine, blowing off dust, and cleaning by using an acetone solvent;
two, glue the riveted joint
Sixthly, brushing the friction disc body and the friction plate with a high-temperature-resistant adhesive, respectively putting the friction disc body and the friction plate into a heating furnace, and blowing air and heating at 50 ℃ for 15-25 minutes;
seventhly, after the moisture is volatilized, the friction disc and the friction plate are bonded, a copper rivet is used for positioning, a rivet bonding machine is used for performing rivet bonding, a clamp is used for locking and pressurizing the friction disc and the friction plate and pushing the friction disc and the friction plate into a heating furnace, the heating temperature is 100 ℃, and the heating time is 50-70 minutes;
and eighthly, locking and pressurizing the bolts for the second time, heating the bolts in a heating furnace for the second time, supplying air, heating the bolts for 180 ℃ for 2 hours, keeping the temperature for 12 hours, shutting down the machine, and discharging the materials after natural cooling.
Further, in the fifth step, the surface roughness is improved to obtain the pitted surface.
The high temperature resistant adhesive is FH-118.
The invention has the beneficial effects that: the friction disc is obtained by adopting a rolling mode, and the friction disc is subjected to free forging blank making, ring forming by a rolling machine, toughness of the material is increased, the product quality is improved by replacing steel plate welding, and the problems of air holes, sand holes and the like which cannot be solved by a cast product are replaced; cleaning the surface of a friction disc through a sticking and riveting process, removing oil and scale, throwing hemp through a rotary table type sand blasting shot blasting machine, blowing off dust, coating glue on the surface after hemp throwing, bonding the friction disc with the friction disc, locking and pressurizing the friction disc and the friction disc by adopting a clamp, pushing the friction disc and the friction disc into a heating furnace, and heating and insulating for multiple times to obtain a hot die forging press clutch friction disc assembly; through the test of the applicant, the shear strength of the friction disc component obtained by the invention can reach 4.5mPA, the hardness HRR reaches 75-80, and the friction limit pressure is 17kg/cm2Endurable temperature of 100-250 ℃ and friction times of 950-100The friction plate and the friction disc do not fall off or loosen in the normal use state for 0 ten thousand times, the process is initiated in China, and the domestic technical blank is filled.
Detailed Description
The invention is further illustrated by the following examples.
Example 1
(1) Manufacturing a friction disc;
firstly, selecting materials: selecting 35CrMo alloy steel as a base material for manufacturing a blank of the friction disc;
secondly, pre-forging the blank: cutting 35CrMo alloy steel into a cylindrical shape, forging by using a hot forging press, pre-forging the blank by using the hot forging press to form a hot forging piece, and forming by using a ring rolling machine; through the procedures, a foundation is provided for blank forging;
thirdly, surface treatment of the blank: quenching the forged piece subjected to rough turning, then carrying out quenching and tempering, and carrying out flaw detection after modulation; the integral hardness of the forging can be effectively improved through quenching; the thermal refining is adopted, the temperature of the thermal refining is 600 ℃ in the process of thermal refining, and the overall strength, plasticity and toughness of the blank can be effectively improved through the thermal refining, so that the blank has good comprehensive mechanical properties; finally, carrying out internal flaw detection on the forging blank by using a flaw detector and testing the hardness of the forging blank, wherein the hardness requirement at the moment is preferably HRC 40;
fourthly, processing the surface of the blank: because the product is generally a large part, the outer diameter of the periphery of the blank is processed by adopting a vertical lathe firstly; respectively positioning and drilling holes by indexing by adopting a planer type milling machine; the gear shaping machine is adopted for gear shaping and the tooth part is quenched, the hardness of the gear shaping area is increased through the process, and the hardness requirement is HRC 50;
after the working procedures, cleaning the surface of the friction disc, removing oil and scale, throwing hemp by using a turntable type sand blasting shot blasting machine, blowing off dust, and cleaning by using an acetone solvent, wherein the concentration of the acetone solvent is 13.5 mol/L;
in the above procedures, the hot forging piece can be spheroidized and annealed in a nitrogen-based protective atmosphere furnace, and after annealing, the semi-finished friction disk is shot-blasted by using a shot blasting machine, so that not only can the oxide skin layer and the oxide film on the surface be removed, but also the surface roughness of the semi-finished friction disk is improved to obtain the rough surface.
(2) And bonded and riveted
Sixthly, brushing the friction disc body and the friction plate by using a self-made high-temperature-resistant adhesive FH-118, respectively putting the friction disc body and the friction plate into a heating furnace, and blowing air and heating at 50 ℃ for 20 minutes;
seventhly, after the moisture is volatilized, the friction disc and the friction plate are bonded, after bonding, copper rivets are used for positioning, bonding riveting is carried out through a bonding riveting machine, after bonding riveting, the friction disc and the friction plate are locked through a clamp, pressurized and pushed into a heating furnace for first heating, the heating temperature is 100 ℃, and the heating time is 60 minutes;
locking and pressurizing the secondary bolt, heating the secondary bolt in a heating furnace for 2 hours at 180 ℃, keeping the temperature for 12 hours, shutting down the machine, naturally cooling and discharging the machine, and obtaining the friction combination of the hot die forging press clutch after discharging.
Furthermore, in the fifth step, the beneficial effects of the invention are as follows: according to the hot die forging clutch and the friction plate, the friction plate is obtained in a forging and pressing mode, and the free forging hammer blank making and the ring rolling machine ring forming are adopted to increase the material toughness, replace steel plate welding to improve the product quality, and replace the problems of air holes, sand holes and the like which cannot be solved by a cast product; cleaning the surface of the friction disc through a sticking and riveting process, removing oil and scale, throwing hemp through a rotary table type sand blasting shot blasting machine, blowing off dust, coating glue on the surface after hemp throwing, bonding the friction disc with the friction disc, locking and pressurizing the friction disc and the friction disc by adopting a clamp, pushing the friction disc and the friction disc into a heating furnace, and heating and insulating for multiple times to obtain the friction disc assembly of the clutch of the hot die forging press.
The obtained product is tested by the applicant, the shear strength of the friction component can reach 8mPA, the hardness HRR reaches 75-80, and the friction component can bear the ultimate pressure of 17kg/cm2The friction plate and the friction disc can not fall off or loosen under the normal use state, the enduring temperature is 100-250 ℃, the friction times are 950-1000 ten thousand times, the process belongs to the domestic initiative, and the domestic technical blank is filled.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equally replaced or changed within the technical scope of the present invention.
Claims (3)
1. A hot die forging press clutch friction disc and friction disc sticking riveting process is characterized in that: the production process comprises the following steps:
(1) manufacturing a friction disc;
firstly, selecting materials: selecting one of 35CrMo, 40Cro and 42CrMo alloy steel;
secondly, pre-forging the blank: forging the round alloy blank obtained in the step one by using a hot forging press, pre-forging the blank by using the hot forging press to form a hot forging piece, and forming by using a ring rolling machine;
thirdly, surface treatment of the blank: carrying out rough turning quenching treatment on the forge piece, then carrying out quenching and tempering treatment, and carrying out flaw detection treatment after modulation; testing the hardness after the flaw detection is qualified, wherein the hardness is controlled within the range of HRC 35-40;
fourthly, processing the surface of the blank: processing the peripheral outer diameter by adopting a vertical lathe; respectively carrying out indexing positioning drilling by adopting a planer type milling machine; gear shaping is carried out by adopting a gear shaping machine, and a tooth part is quenched, so that the hardness is increased, and the hardness requirement is HRC48-50 graduation;
cleaning the surface of a friction disc, removing oil and scale, throwing hemp by using a turntable type sand blasting shot blasting machine, blowing off dust, and cleaning by using an acetone solvent;
(2) bonded riveted joint
Sixthly, brushing the friction disc body and the friction plate with a high-temperature-resistant adhesive, respectively putting the friction disc body and the friction plate into a heating furnace, and blowing air and heating at 50 ℃ for 15-25 minutes;
seventhly, after the moisture is volatilized, the friction disc and the friction plate are bonded, a copper rivet is used for positioning, a rivet bonding machine is used for performing rivet bonding, a clamp is used for locking and pressurizing the friction disc and the friction plate and pushing the friction disc and the friction plate into a heating furnace, the heating temperature is 100 ℃, and the heating time is 50-70 minutes;
and eighthly, locking and pressurizing the bolts for the second time, heating the bolts in a heating furnace for the second time, supplying air, heating the bolts for 180 ℃ for 2 hours, keeping the temperature for 12 hours, shutting down the machine, and discharging the materials after natural cooling.
2. The process of claim 1, wherein the hot die forging press clutch friction disc and friction disc clinching comprises: in the fifth step, the surface roughness is improved to obtain the pitted surface.
3. The process of claim 1, wherein the hot die forging press clutch friction disc and friction disc clinching comprises: the high temperature resistant adhesive is FH-118.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111602736.2A CN114251378B (en) | 2021-12-24 | 2021-12-24 | Hot die forging press clutch friction disc and friction disc adhesive riveting process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111602736.2A CN114251378B (en) | 2021-12-24 | 2021-12-24 | Hot die forging press clutch friction disc and friction disc adhesive riveting process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114251378A true CN114251378A (en) | 2022-03-29 |
| CN114251378B CN114251378B (en) | 2023-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111602736.2A Active CN114251378B (en) | 2021-12-24 | 2021-12-24 | Hot die forging press clutch friction disc and friction disc adhesive riveting process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115451048A (en) * | 2022-08-16 | 2022-12-09 | 勃兰姆斯基摩擦材料(湖州)有限公司 | Friction plate bonding process for large forging press and special clamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB902093A (en) * | 1957-12-10 | 1962-07-25 | Dunlop Rubber Co | Improvements in brakes, clutches and the like |
| DE2233368A1 (en) * | 1972-07-07 | 1974-01-24 | Jurid Werke Gmbh | DRUM BRAKE |
| DE3343153C1 (en) * | 1983-11-29 | 1984-12-06 | Kraft Herbert 8000 München Georgsdorf | Brake system for vehicles, in particular for vehicles equipped with disc brakes |
| NO911924D0 (en) * | 1990-05-18 | 1991-05-16 | Metafram Alliages Frittes | PROCEDURE FOR THE PREPARATION OF A BRAKE COAT INCLUDING NON-SKETCHED COATED KNOBS AND THE COATS THEREOF INCURRED. |
| CN2168984Y (en) * | 1993-08-27 | 1994-06-15 | 国营八五七厂 | Clutch spider of vehicle |
| CN105177407A (en) * | 2015-09-17 | 2015-12-23 | 温州三联锻造有限公司 | High-precision automobile gear shifting clutch friction plate forge piece and forging method thereof |
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-
2021
- 2021-12-24 CN CN202111602736.2A patent/CN114251378B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB902093A (en) * | 1957-12-10 | 1962-07-25 | Dunlop Rubber Co | Improvements in brakes, clutches and the like |
| DE2233368A1 (en) * | 1972-07-07 | 1974-01-24 | Jurid Werke Gmbh | DRUM BRAKE |
| DE3343153C1 (en) * | 1983-11-29 | 1984-12-06 | Kraft Herbert 8000 München Georgsdorf | Brake system for vehicles, in particular for vehicles equipped with disc brakes |
| NO911924D0 (en) * | 1990-05-18 | 1991-05-16 | Metafram Alliages Frittes | PROCEDURE FOR THE PREPARATION OF A BRAKE COAT INCLUDING NON-SKETCHED COATED KNOBS AND THE COATS THEREOF INCURRED. |
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| CN115451048A (en) * | 2022-08-16 | 2022-12-09 | 勃兰姆斯基摩擦材料(湖州)有限公司 | Friction plate bonding process for large forging press and special clamp |
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| CN114251378B (en) | 2023-08-22 |
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