CN110725954A - Novel hydraulic wear-resistant sealing ring and processing technology - Google Patents
Novel hydraulic wear-resistant sealing ring and processing technology Download PDFInfo
- Publication number
- CN110725954A CN110725954A CN201911125906.5A CN201911125906A CN110725954A CN 110725954 A CN110725954 A CN 110725954A CN 201911125906 A CN201911125906 A CN 201911125906A CN 110725954 A CN110725954 A CN 110725954A
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- processing technology
- parts
- groove
- novel hydraulic
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 54
- 238000005516 engineering process Methods 0.000 title claims abstract description 22
- 238000001746 injection moulding Methods 0.000 claims abstract description 23
- 238000007514 turning Methods 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 8
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000004595 color masterbatch Substances 0.000 claims abstract description 6
- 238000004806 packaging method and process Methods 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 7
- 238000000137 annealing Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 229940057995 liquid paraffin Drugs 0.000 claims description 5
- 238000003754 machining Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 7
- 239000002184 metal Substances 0.000 abstract description 7
- 229910052751 metal Inorganic materials 0.000 abstract description 7
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract description 6
- 238000011049 filling Methods 0.000 abstract description 4
- 239000000428 dust Substances 0.000 abstract description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- -1 Polytetrafluoroethylene Polymers 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 230000009193 crawling Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/02—Thermal after-treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
- B29C45/0055—Shaping
- B29C2045/0058—Shaping removing material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/02—Thermal after-treatment
- B29C2071/022—Annealing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints
- B29L2031/265—Packings, Gaskets
Abstract
The invention discloses a novel hydraulic wear-resistant sealing ring and a processing technology thereof, and the novel hydraulic wear-resistant sealing ring comprises a sealing ring main body, a groove and an oil discharge groove, wherein the groove is formed in one side edge of the inner diameter of the sealing ring main body, and the oil discharge groove is correspondingly formed in the other side of the sealing ring main body opposite to the groove; the processing technology comprises the following steps of firstly, selecting raw materials; step two, mixing the raw materials; step three, injection molding; step four, turning; step five, checking and packaging; wherein the weight percentage of each component is as follows: 100-150 parts of modified TPU, 2-3 parts of tackifier, 2-3 parts of layered silicate powder, 2-3 parts of release agent and 2-3 parts of color master batch; the novel hydraulic wear-resistant sealing ring and the processing technology thoroughly avoid occupational hazards caused by a process of contacting dust by workers; the use of non-ferrous metal (bronze powder) as a filling material is eliminated, and the harm of the non-ferrous metal to the environment is avoided.
Description
Technical Field
The invention relates to the technical field of sealing rings, in particular to a novel hydraulic wear-resistant sealing ring and a processing technology thereof.
Background
The wear-resistant ring of the piston rod in the market is prepared by mixing Polytetrafluoroethylene (PTFE), bronze powder and toner powder through a high-speed mixer, filling the materials into a mold cavity by using a powder metallurgy processing method, pressing and molding by using a press machine under a certain pressure, calcining and molding a blank by using a high-temperature sintering furnace in a program calcining manner, and finally processing the size of the blank by using a numerical control lathe to obtain a finished product.
In the production process of the prior art, the copper powder and tetrafluoroethylene can generate toxic gas when being sintered at high temperature; copper powder and tetrafluoro can generate dust in the high-speed mixing process, the polytetrafluoroethylene material is a resin material and does not melt in water, the copper powder is metal powder, any one of the two materials is inhaled into a human body and can generate occupational hazards, and the two processes have influences on staff and the environment.
Disclosure of Invention
The invention aims to provide a novel hydraulic wear-resistant sealing ring and a processing technology thereof, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a novel wear-resisting sealing ring is used to hydraulic pressure, includes sealing ring main part, recess and oil discharge groove, the internal diameter one side edge of sealing ring main part is seted up flutedly, the another side that is mutually opposite with the recess in the sealing ring main part corresponds and has seted up oil discharge groove.
A processing technology of a novel hydraulic wear-resistant sealing ring comprises the following steps of firstly, selecting raw materials; step two, mixing the raw materials; step three, injection molding; step four, turning; step five, checking and packaging;
in the first step, the weight percentages of the components are as follows: 100-150 parts of modified TPU, 2-3 parts of tackifier, 2-3 parts of layered silicate powder, 2-3 parts of release agent and 2-3 parts of color master batch;
in the second step, all the raw materials are sequentially added into a mixer to be uniformly mixed;
wherein in the third step, the injection molding comprises the following steps:
1) preheating a screw injection molding machine to 130-160 ℃;
2) adding the uniformly mixed mixture into a charging barrel of a screw injection molding machine, and continuously heating until the mixture is in a completely molten state;
3) extrusion-injection molding the molten mixture into a predetermined mold;
4) after molding and demolding, putting the blank into a hot air oven at 100 ℃ for annealing for 20 hours, and cooling for later use;
wherein in the fourth step, the turning comprises the following steps:
1) machining one side of the qualified blank body by utilizing turning to form an oil discharge groove;
2) turning the inner diameter edge of the other side surface corresponding to the oil unloading groove to form a groove;
and in the fifth step, the processed and formed sealing ring main body is checked, and the qualified sealing ring main body is packaged and stored in a cool and dry place.
According to the technical scheme, in the first step, the release agent is liquid paraffin.
According to the technical scheme, in the step one, the hardness of the modified TPU is 95.
According to the technical scheme, in the second step, the stirring speed of the mixer is 50-80rpm, and the stirring time is 8-10 min.
According to the above technical scheme, in the step three 2), the heating is continued to 177-232 ℃.
According to the technical scheme, in the step three 3), the injection amount is 40-80% of the rated amount, and the screw rotation speed is 20-50 r/min.
According to the technical scheme, in the step three 4), the placing position of the blank body is noticed, and the local overhigh heating is avoided.
Compared with the prior art, the invention has the following beneficial effects: the novel hydraulic wear-resistant sealing ring and the processing technology thereof, 1, the processing technology of the novel wear-resistant sealing ring, thoroughly avoids occupational hazards caused by a dust contact technology of workers; 2. the use of non-ferrous metal (bronze powder) as a filling material is eliminated, and the harm of the non-ferrous metal to the environment is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is an elevational view of the overall construction of the present invention;
FIG. 3 is a cross-sectional view of the overall construction of the present invention;
FIG. 4 is a process flow diagram of the present invention;
in the figure: 1. a seal ring main body; 2. a groove; 3. and (6) discharging the oil groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
example 1:
the utility model provides a novel wear-resisting sealing ring is used to hydraulic pressure, includes sealing ring main part 1, recess 2 and unloads oil groove 3, and the internal diameter side edge of sealing ring main part 1 is seted up flutedly 2, and the opposite another side correspondence of recess 2 on the sealing ring main part 1 has been seted up and has been unloaded oil groove 3.
A processing technology of a novel hydraulic wear-resistant sealing ring comprises the following steps of firstly, selecting raw materials; step two, mixing the raw materials; step three, injection molding; step four, turning; step five, checking and packaging;
in the first step, the weight percentages of the components are as follows: selecting 100 parts of modified TPU, 3 parts of tackifier, 3 parts of layered silicate powder, 3 parts of release agent and 3 parts of color master batch;
in the second step, all the raw materials are sequentially added into a mixer to be uniformly mixed, the stirring speed of the mixer is 50-80rpm, and the stirring time is 8-10 min;
wherein in the third step, the injection molding comprises the following steps:
1) preheating a screw injection molding machine to 130-160 ℃;
2) adding the uniformly mixed mixture into a charging barrel of a screw injection molding machine, continuously heating until the mixture is in a completely molten state, and continuously heating to 177- & lt 232 & gt ℃;
3) extruding and injecting the molten mixture into a predetermined mold, wherein the injection amount is 40-80% of the rated amount, and the screw rotation speed is 20-50 r/min;
4) after molding and demolding, putting the blank into a hot air oven at 100 ℃ for annealing for 20h, paying attention to the placement position of the blank to avoid over-high local heating, and cooling for later use;
wherein in the fourth step, the turning comprises the following steps:
1) machining one side of the qualified blank out of the oil discharge groove 3 by turning;
2) turning the inner diameter edge of the other side surface corresponding to the oil unloading groove 3 to form a groove 2;
in the fifth step, the processed and formed sealing ring main body 1 is checked, and the qualified sealing ring main body is packaged and stored in a cool and dry place.
Wherein the release agent is liquid paraffin; the modified TPU hardness was 95.
Example 2:
the utility model provides a novel wear-resisting sealing ring is used to hydraulic pressure, includes sealing ring main part 1, recess 2 and unloads oil groove 3, and the internal diameter side edge of sealing ring main part 1 is seted up flutedly 2, and the opposite another side correspondence of recess 2 on the sealing ring main part 1 has been seted up and has been unloaded oil groove 3.
A processing technology of a novel hydraulic wear-resistant sealing ring comprises the following steps of firstly, selecting raw materials; step two, mixing the raw materials; step three, injection molding; step four, turning; step five, checking and packaging;
in the first step, the weight percentages of the components are as follows: selecting 125 parts of modified TPU, 3 parts of tackifier, 3 parts of layered silicate powder, 3 parts of release agent and 3 parts of color master batch;
in the second step, all the raw materials are sequentially added into a mixer to be uniformly mixed, the stirring speed of the mixer is 50-80rpm, and the stirring time is 8-10 min;
wherein in the third step, the injection molding comprises the following steps:
1) preheating a screw injection molding machine to 130-160 ℃;
2) adding the uniformly mixed mixture into a charging barrel of a screw injection molding machine, continuously heating until the mixture is in a completely molten state, and continuously heating to 177- & lt 232 & gt ℃;
3) extruding and injecting the molten mixture into a predetermined mold, wherein the injection amount is 40-80% of the rated amount, and the screw rotation speed is 20-50 r/min;
4) after molding and demolding, putting the blank into a hot air oven at 100 ℃ for annealing for 20h, paying attention to the placement position of the blank to avoid over-high local heating, and cooling for later use;
wherein in the fourth step, the turning comprises the following steps:
1) machining one side of the qualified blank out of the oil discharge groove 3 by turning;
2) turning the inner diameter edge of the other side surface corresponding to the oil unloading groove 3 to form a groove 2;
in the fifth step, the processed and formed sealing ring main body 1 is checked, and the qualified sealing ring main body is packaged and stored in a cool and dry place.
Wherein the release agent is liquid paraffin; the modified TPU hardness was 95.
Example 3:
the utility model provides a novel wear-resisting sealing ring is used to hydraulic pressure, includes sealing ring main part 1, recess 2 and unloads oil groove 3, and the internal diameter side edge of sealing ring main part 1 is seted up flutedly 2, and the opposite another side correspondence of recess 2 on the sealing ring main part 1 has been seted up and has been unloaded oil groove 3.
A processing technology of a novel hydraulic wear-resistant sealing ring comprises the following steps of firstly, selecting raw materials; step two, mixing the raw materials; step three, injection molding; step four, turning; step five, checking and packaging;
in the first step, the weight percentages of the components are as follows: selecting 150 parts of modified TPU, 3 parts of tackifier, 3 parts of layered silicate powder, 3 parts of release agent and 3 parts of color master batch;
in the second step, all the raw materials are sequentially added into a mixer to be uniformly mixed, the stirring speed of the mixer is 50-80rpm, and the stirring time is 8-10 min;
wherein in the third step, the injection molding comprises the following steps:
1) preheating a screw injection molding machine to 130-160 ℃;
2) adding the uniformly mixed mixture into a charging barrel of a screw injection molding machine, continuously heating until the mixture is in a completely molten state, and continuously heating to 177- & lt 232 & gt ℃;
3) extruding and injecting the molten mixture into a predetermined mold, wherein the injection amount is 40-80% of the rated amount, and the screw rotation speed is 20-50 r/min;
4) after molding and demolding, putting the blank into a hot air oven at 100 ℃ for annealing for 20h, paying attention to the placement position of the blank to avoid over-high local heating, and cooling for later use;
wherein in the fourth step, the turning comprises the following steps:
1) machining one side of the qualified blank out of the oil discharge groove 3 by turning;
2) turning the inner diameter edge of the other side surface corresponding to the oil unloading groove 3 to form a groove 2;
in the fifth step, the processed and formed sealing ring main body 1 is checked, and the qualified sealing ring main body is packaged and stored in a cool and dry place.
Wherein the release agent is liquid paraffin; the modified TPU hardness was 95.
Based on the above, the wear-resistant oil cylinder is arranged in the groove in the oil cylinder, has better wear resistance, is hard as 95(Durometer A), can eliminate crawling, is convenient to install, and simultaneously cancels the use of non-ferrous metal (bronze powder) as a filling material in the production process, thereby avoiding the harm of the non-ferrous metal to the environment.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a novel wear-resisting sealing ring is used to hydraulic pressure, includes sealing ring main part (1), recess (2) and oil discharge groove (3), its characterized in that: a groove (2) is formed in one side edge of the inner diameter of the sealing ring main body (1), and an oil unloading groove (3) is correspondingly formed in the other side, opposite to the groove (2), of the sealing ring main body (1).
2. A processing technology of a novel hydraulic wear-resistant sealing ring comprises the following steps of firstly, selecting raw materials; step two, mixing the raw materials; step three, injection molding; step four, turning; step five, checking and packaging; the method is characterized in that:
in the first step, the weight percentages of the components are as follows: 100-150 parts of modified TPU, 2-3 parts of tackifier, 2-3 parts of layered silicate powder, 2-3 parts of release agent and 2-3 parts of color master batch;
in the second step, all the raw materials are sequentially added into a mixer to be uniformly mixed;
wherein in the third step, the injection molding comprises the following steps:
1) preheating a screw injection molding machine to 130-160 ℃;
2) adding the uniformly mixed mixture into a charging barrel of a screw injection molding machine, and continuously heating until the mixture is in a completely molten state;
3) extrusion-injection molding the molten mixture into a predetermined mold;
4) after molding and demolding, putting the blank into a hot air oven at 100 ℃ for annealing for 20 hours, and cooling for later use;
wherein in the fourth step, the turning comprises the following steps:
1) machining one side of the qualified blank body by turning to form an oil discharge groove (3);
2) turning the inner diameter edge of the other side surface corresponding to the oil unloading groove (3) to form a groove (2);
and in the fifth step, the processed and formed sealing ring main body (1) is checked, and the qualified sealing ring main body is packaged and stored in a cool and dry place.
3. The processing technology of the novel hydraulic wear-resistant sealing ring as claimed in claim 2, is characterized in that: in the first step, the release agent is liquid paraffin.
4. The processing technology of the novel hydraulic wear-resistant sealing ring as claimed in claim 2, is characterized in that: in the first step, the hardness of the modified TPU is 95.
5. The processing technology of the novel hydraulic wear-resistant sealing ring as claimed in claim 2, is characterized in that: in the second step, the stirring speed of the mixer is 50-80rpm, and the stirring time is 8-10 min.
6. The processing technology of the novel hydraulic wear-resistant sealing ring as claimed in claim 2, is characterized in that: in the step three 2), the heating is continued to 177-232 ℃.
7. The processing technology of the novel hydraulic wear-resistant sealing ring as claimed in claim 2, is characterized in that: in the third step 3), the injection amount is 40-80% of the rated amount, and the screw rotation speed is 20-50 r/min.
8. The processing technology of the novel hydraulic wear-resistant sealing ring as claimed in claim 2, is characterized in that: in the third step 4), the placement position of the blank body is noticed, and the local over-high heating is avoided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911125906.5A CN110725954A (en) | 2019-11-18 | 2019-11-18 | Novel hydraulic wear-resistant sealing ring and processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911125906.5A CN110725954A (en) | 2019-11-18 | 2019-11-18 | Novel hydraulic wear-resistant sealing ring and processing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110725954A true CN110725954A (en) | 2020-01-24 |
Family
ID=69225261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911125906.5A Pending CN110725954A (en) | 2019-11-18 | 2019-11-18 | Novel hydraulic wear-resistant sealing ring and processing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110725954A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321836A (en) * | 2016-09-23 | 2017-01-11 | 成都九十度工业产品设计有限公司 | Retaining plate sealing structure for oil filter |
| CN110425284A (en) * | 2019-09-04 | 2019-11-08 | 三一重型装备有限公司 | A kind of sealing element |
| CN211117603U (en) * | 2019-11-18 | 2020-07-28 | 广州市阪上橡胶制品有限公司 | Novel wear-resisting sealing ring for hydraulic pressure |
-
2019
- 2019-11-18 CN CN201911125906.5A patent/CN110725954A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321836A (en) * | 2016-09-23 | 2017-01-11 | 成都九十度工业产品设计有限公司 | Retaining plate sealing structure for oil filter |
| CN110425284A (en) * | 2019-09-04 | 2019-11-08 | 三一重型装备有限公司 | A kind of sealing element |
| CN211117603U (en) * | 2019-11-18 | 2020-07-28 | 广州市阪上橡胶制品有限公司 | Novel wear-resisting sealing ring for hydraulic pressure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101708549B (en) | Powder metallurgy technical formula and technical process thereof | |
| CN103467896B (en) | Manufacturing method of enhanced polytetrafluoroethylene for high-medium pressure valve sealing element | |
| CN102074875A (en) | Method for manufacturing electric brush used for industrial motor | |
| CN109277574B (en) | Preparation method of air-conditioning compressor rocker | |
| CN106007726B (en) | The method that reaction-sintered prepares SiC/C composite ceramics sealing material | |
| CN102785428B (en) | Wear resistant and self-lubricating PPS (polyphenylene sulfide)-metallic composite and preparation method thereof | |
| CN211117603U (en) | Novel wear-resisting sealing ring for hydraulic pressure | |
| CN102627820A (en) | Modified teflon material for dynamic/static seal | |
| CN105524407A (en) | PEEK composite material with high heat resistance and preparation method thereof | |
| CN110725954A (en) | Novel hydraulic wear-resistant sealing ring and processing technology | |
| CN110563464A (en) | High-temperature-resistant and oxidation-resistant graphite mold and preparation method thereof | |
| CN112974806A (en) | MIM metal injection molding process | |
| CN106041090A (en) | Powder metallurgical lock cylinder pulling head and production process thereof | |
| CN105689708B (en) | A kind of HS311 base steels copper moulds the production technology of self-lubricating material | |
| CN102248167A (en) | Quick zero-defect degreasing method for large-size extrusion forming blank | |
| CN108788163A (en) | A kind of preparation method of high-wearing feature oiliness bearing | |
| CN111054925B (en) | Rubber-coated piston and manufacturing method thereof | |
| CN105312577A (en) | Manufacturing method for abrasion-resistant stainless steel | |
| CN115231922A (en) | Preparation method of graphite product | |
| CN105593522B (en) | The powder metal scrolls designed with modified top end | |
| CN208867533U (en) | A kind of extruder multisection type combined barrel | |
| CN112140453A (en) | Method for forming high-strength composite plastic product | |
| CN110563465A (en) | Mold material for hot press molding and preparation method thereof | |
| CN102091784B (en) | Manufacturing method of self-lubricating bimetallic bearing | |
| RU2685818C1 (en) | Method of making articles by powder metallurgy method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |