WO2006115118A1 - メカニカルシール装置、摺動部品およびその製造方法 - Google Patents
メカニカルシール装置、摺動部品およびその製造方法 Download PDFInfo
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- WO2006115118A1 WO2006115118A1 PCT/JP2006/308117 JP2006308117W WO2006115118A1 WO 2006115118 A1 WO2006115118 A1 WO 2006115118A1 JP 2006308117 W JP2006308117 W JP 2006308117W WO 2006115118 A1 WO2006115118 A1 WO 2006115118A1
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- resin
- resin layer
- sliding
- pores
- carbon
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3496—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member use of special materials
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249981—Plural void-containing components
Definitions
- the present invention relates to a sliding component, a manufacturing method thereof, and a mechanical seal device having the sliding component. More specifically, the present invention has corrosion resistance, excellent wear resistance, and dry lubrication conditions. In particular, the present invention relates to a sliding component capable of effectively preventing the occurrence of squeal during sliding and the wear of the sliding surface, a manufacturing method thereof, and a mechanical seal device having the sliding component.
- the mechanical-seal device seals fluid by a pair of sliding components sliding closely against each other through their respective sealing surfaces. For this reason, materials having excellent low friction and wear resistance have been selected for the sliding parts used in this mechanical seal device.
- sliding parts that are slid in a non-lubricated state where no fluid lubrication film is supplied between sliding surfaces are required to have excellent self-lubrication and wear resistance.
- carbon materials and various materials for example, graphite, glass fiber, carbon fiber, metal powder, etc.
- Tetrafluorinated styrene resin material is used.
- Patent Document 1 JP 2001-26792 A
- Patent Document 2 Japanese Patent Laid-Open No. 5-60247
- the present invention has been made in view of such a situation, and the object thereof is to have corrosion resistance, absence of lubricating oil or liquid !, atmosphere and lubricity cannot be expected. Even under dry lubrication conditions, it is possible to effectively prevent the occurrence of squeal during sliding, the sliding force is excellent in wear resistance, and there is very little generation of wear powder and its manufacturing method. It is to provide. Furthermore, another object of the present invention is to provide a mechanical seal device that has such a sliding part and can be suitably used even under dry lubrication conditions.
- the sliding component according to the present invention includes:
- the resin layer has a plurality of pores on the surface thereof, and fluorinated oil is contained in the pores.
- the resin layer contains a first resin and a second resin having a higher melting point than the first resin.
- the pore part of the resin layer is a pore part formed by heating the resin layer at a temperature not lower than the melting point of the first resin and lower than the melting point of the second resin, and
- the first resin is a tetrafluorinated styrene resin and Z or a modified product thereof
- the second resin is a polyamideimide resin and Z or a polyimide resin
- the content of the first resin is 5 to 55% by weight with respect to 100% by weight of the entire resin layer.
- the fluorinated oil is a carbon atom, a fluorine atom, a perfluoropolyether composed of oxygen nuclear power, and Z or a modified product thereof.
- the base material is one selected from carbon, carbon carbide, a composite material of carbon and carbon carbide, and a ceramic material force.
- a method of manufacturing a sliding component according to the present invention includes:
- the resin layer is heated at a temperature equal to or higher than the melting point of the first resin and lower than the melting point of the second resin, and the first resin is melted so that the resin contracts and has a weak flow. Generated and mainly forming a plurality of pores in the interface between the first and second resin and in the resin layer, Polishing the surface of the resin layer to expose at least some of the pores on the surface;
- the first rosin is tetrafluorinated styrene resin and Z or a modified product thereof.
- resin is polyamideimide resin and Z or polyimide resin
- the content of the first resin is 5 to 55% by weight with respect to 100% by weight of the entire resin layer.
- the fluorinated oil is perfluoropolyether and Z or a modified product thereof, which also contains carbon atoms, fluorine atoms, and oxygen nuclear power.
- the base material is one selected from carbon, carbon carbide, a composite material of carbon and carbon carbide, and ceramic material force.
- the mechanical seal device of the present invention comprises:
- a mechanical seal device that seals a pair of sliding parts against each other, wherein each sliding part is composed of the sliding part of the present invention or the sliding part manufactured by the manufacturing method of the present invention.
- the sliding surface is formed of a resin layer having a plurality of pores, and the pores are impregnated with a fluorinated oil force as lubricating oil. Therefore, it is possible to effectively prevent wear on the sliding surface even under dry lubrication conditions, and extremely reduce the generation of wear powder, and the mechanical force used under such dry lubrication conditions. It can be suitably used as a sliding part for a seal device.
- the sliding surface is impregnated with such a fluorinated oil to improve the corrosion resistance of the sliding surface. It can be improved.
- the resin layer includes a first resin and the first resin.
- the above-mentioned pores are formed by heating the resin layer at a temperature equal to or higher than the melting point of the first resin and lower than the melting point of the second resin. Form. Therefore, it is possible to melt only the first resin while keeping the second resin in a solid state. By melting the first resin, the interface between the first resin and the second resin is obtained. It is possible to form a plurality of dense pores centering around (no melting occurs because the melting of the first resin is unloaded).
- the resin layer is polished, and the dense pore portion is exposed on the surface of the resin layer, and the exposed pore portion is exposed. Impregnate the above fluorinated oil. And since this oil-impregnated fluorinated oil is contained in fine pores, it can be adsorbed in the pores for a long period of time. Therefore, even when the sliding component of the present invention is used under dry lubrication conditions, it can be used stably over a long period of time without the oil-containing fluorinated oil flowing out of the pores.
- the mechanical seal device of the present invention has the sliding component of the present invention having the above characteristics as a sliding component, it can be suitably used even under dry lubrication conditions.
- FIG. 1 is a schematic view of a mechanical seal device according to an embodiment of the present invention.
- FIG. 2 is a photomicrograph of a sliding surface of a sliding component in an example of the present invention.
- FIG. 3A is a diagram showing a state of wear of the sliding component of the example of the present invention.
- FIG. 3B is a diagram showing a worn state of a sliding part of a comparative example.
- a mechanical seal device 1 has a structure in which a seal ring 2 that is a rotating ring and a floating sheet 3 that is a stationary ring are abutted with each other via respective sliding surfaces. It has become. That is, the seal ring 2 and the floating sheet 3 are in pressure contact with each other via the sliding surface 2a of the seal ring 2 and the sliding surface 3a of the floating sheet 3. Between 3a, the rotating shaft 20 is rotating or not rotating It becomes a structure that is sealed all the time.
- the seal ring 2 which is a rotating ring, is configured to be pressed in the direction of the floating sheet 3 by a compression ring 21 mounted directly on the rotating body 20 via a knock 24. .
- the pressing force of the compression ring 21 allows the seal ring 2 to rotate as the rotary shaft 20 rotates, and presses against the seal surface 3a of the floating sheet 3 via the seal surface 2a. It has come to be.
- the pressing force of the compression ring 21 can be adjusted by the elastic force of the spring 22 supported by the support ring 23.
- the floating sheet 3 that is a fixed ring is structured to be fixed to the housing 30 via the packing 31, and the seal ring 2 pressed by the compression ring 21 described above, The structure is such that it is pressed through the sliding surface 3a.
- both the rotation-side seal ring 2 and the stationary-side floating sheet 3 are constituted by the sliding parts of the present invention.
- the seal ring 2 and the floating sheet 3 contain a base material made of a predetermined material, and a resin layer containing fluorinated oil is formed on each sliding surface 2a, 3a. Has been.
- the base material constituting the seal ring 2 and the floating sheet 3 is one type in which carbon, carbon carbide, a composite material of carbon and carbon carbide, and ceramic material power are also selected. I prefer that.
- These materials are particularly preferable because of their high hardness and thermal conductivity, low thermal expansion coefficient, and good compatibility with the fluorinated oil contained in the resin layer. Specifically, these materials are highly rigid and have little effect of deformation due to load during sliding. Therefore, they have the effect of suppressing deformation of the resin layer formed on the sliding surfaces 2a and 3a. The sliding surfaces 2a and 3a can be kept in a smooth state. Therefore, wear during sliding can be effectively prevented. Furthermore, since these materials have high thermal conductivity, heat generated during sliding can be quickly diffused, and problems such as seizure can be effectively prevented. Togashi.
- the carbon material may be a difference between carbon and graphite, and the composition thereof is not particularly limited, and carbon and graphite can be used depending on the purpose.
- the main components are aggregates such as natural graphite, artificial graphite, mesophase, and carbon black, and binders such as coal tar bitch and synthetic resin, and after mixing, kneading, and molding processes, 100 to 3000 ° It can be obtained by firing with C.
- the substrate is composed of carbide carbide
- a solvent, a binder, etc. are added to the carbide carbide powder as necessary to form a predetermined shape, and then sintered. Can be obtained.
- the base material is composed of a composite material of carbon and carbon carbide
- the carbon base material is processed into a predetermined shape, and then reacted with Si at a high temperature to cause carbon in the carbon pores. It can be manufactured by impregnating Si with Si and reacting it into SiC (reaction sintering method). Alternatively, it can also be produced by a conversion method (gas phase conversion method) in which it is reacted with Si gas to form SiC.
- the substrate is composed of a ceramic material
- a ceramic material for example, one or more ceramic powders such as acid aluminum, Si N (silicon nitride) are used, and if necessary, Melting
- Each of the sliding surfaces 2a and 3a of the seal ring 2 and the floating sheet 3 is formed with a resin layer having a plurality of pores on the surface, and the pores of the resin layer have a fluorine layer. It contains oil.
- the resin layer includes a first resin and a second resin having a higher melting point than the first resin.
- the pore part of the resin layer has the above resin layer not less than the melting point of the first resin and the second resin. It is preferable that the pores are dense pores formed by melting the first resin by heating below the melting point. Furthermore, in this embodiment, in order to impregnate the pore portion with the fluorinated oil, the resin layer is polished to expose the dense pore portion on the surface of the resin layer.
- Examples of the first rosin include polytetrafluoroethylene (PTFE) and tetrafluorinated styrene perfluoroaronorecoxibi-norethenore co-polymer.
- Examples thereof include PFA: tetrafluoroethylene-perfluoroalkylene ether copolymer (PFA) and fluorinated ethylene propylene copolymer (FEP).
- PFA tetrafluoroethylene-perfluoroalkylene ether copolymer
- FEP fluorinated ethylene propylene copolymer
- tetrafluorinated styrene resin is particularly preferable from the viewpoint of film forming property and strength.
- the second resin may be a resin having a higher melting point than the tetrafluorinated styrene resin preferably used as the first resin, and in particular, a polyamideimide resin or a polyimide resin. Is preferred. Polyamideimide resin and polyimide resin maintain heat resistance, bonding strength, and film-forming properties even when heated to a temperature higher than the melting point of tetrafluorinated styrene resin (approximately 327 ° C). V is the most preferred because it has excellent wear resistance.
- the content of the first resin in the resin layer is preferably 5 to 55% by weight, more preferably 30 to 40% by weight with respect to 100% by weight of the entire resin layer. is there. If the content of the first coconut resin is too small, the pores tend to be difficult to form. On the other hand, if the amount is too large, the strength of the resin layer tends to decrease.
- various additives may be contained in the greave layer.
- Such an additive may be appropriately selected according to the environment in which the mechanical seal device 1 is used, and examples thereof include molybdenum disulfide and graphite.
- the content thereof is preferably 3 to 15% by weight, more preferably 5 to 10% by weight, with respect to 100% by weight of the entire resin layer.
- the thickness of the resin layer is not particularly limited, but is preferably 10 to 30 ⁇ m.
- the pores formed on the surface of the resin layer are preferably dense pores.
- the ratio of the pores (porosity) to 100% of the entire surface of the resin layer is the area ratio. And preferably 1 to 10%, more preferably 2 to 5%. If the porosity (porosity) of the pores is too low, the effects of the present invention tend not to be obtained. On the other hand, if the amount is too large, the overall adhesion (coating adhesion) tends to decrease.
- the resin layer has a plurality of pores on its surface, and fluorinated oil is impregnated in the pores.
- Such a fluorinated oil is not particularly limited, but a perfluoropolyether composed of a carbon atom, a fluorine atom, and an oxygen atom, or a modified product of this perfluoropolyether is preferable.
- a modified product of the perfluoropolyether for example, a product obtained by introducing various functional groups such as a hydroxyl group, a chlorine group, and a carboxyl group into perfluoropolyether can be used.
- These perfluoropolyethers and their modified products are excellent in lubricity, deterioration resistance, and chemical resistance, and in particular, adsorb in the pores of the resin layer for a long time, and wear the sliding surfaces 2a and 3a. It has the effect of reducing.
- the molecular weight and viscosity of the fluorinated oil contained in the pores are not particularly limited, and may be selected depending on the use conditions, but may be used under high temperature conditions or vacuum conditions. For use in mechanical seal devices, it is preferable to select one that has a large molecular weight and is difficult to volatilize.
- the base material should be selected from the above-mentioned carbon, carbide, composite material of carbon and carbide, and ceramic material. Thus, it can be manufactured by molding into a predetermined shape and then sintering.
- the present embodiment after sintering the base material, it is preferable to subject the at least portions that become the sliding surfaces 2a and 3a to an unevenness treatment.
- the unevenness treatment By performing the unevenness treatment, the adhesion between the resin layer to be formed later and the substrate can be improved.
- a resin layer is formed on the portion of the base material that becomes the sliding surfaces 2a and 3a.
- a solution for forming a resin layer in which the first resin and the second resin are dispersed or dissolved in a solvent is used, and the solution for forming the resin layer is used as the sliding surface 2a, Coat the part 3a by spraying or brushing, or by dipping. And the resin layer before heating is obtained by removing the solvent contained in this coated resin layer forming solution.
- the tetrafluorinated styrene resin when used as the first rosin, the tetrafluorinated styrene resin is generally insoluble in a solvent, and thus is in a state of particles having a certain particle size. Then, the solution for forming a resin layer is prepared by dispersing in a solvent.
- the particle size of the tetrafluorinated styrene resin particles is preferably about 10 m and a normal distribution in the vicinity of 3-7 / ⁇ ⁇ .
- the effect of the present invention will be reduced. I prefer to use things.
- the solution for forming a resin layer may contain additives other than the first resin and the second resin, as necessary, as a component that forms the resin layer. good.
- additives include molybdenum disulfide molybdenum and graphite.
- NMP N-methyl-2-pyrrolidone
- the content of the solvent is usually 30 parts by weight or less with respect to 100 parts by weight as a whole of the solid content (that is, the first and second resins and additives used as necessary).
- the amount of the solvent is too small, it tends to be difficult to apply to the portions to be the sliding surfaces 2a and 3a. On the other hand, if the amount is too large, the desired porosity may not be obtained.
- the pre-heated resin layer formed on the portions to be the sliding surfaces 2a, 3a is heated at a temperature not lower than the melting point of the first resin and lower than the melting point of the second resin, To melt.
- the first resin is kept in a solid state. Only fat can be melted.
- by selectively melting the first resin in this manner dense pores can be generated between the molten first resin and the second resin in the solid state. .
- a plurality of holes are formed over the entire interior of the resin layer.
- the heating temperature is not particularly limited as long as it is higher than the melting point of the first resin and lower than the melting point of the second resin.
- the heating temperature is preferably 327 ° C or higher, which is higher than the melting point of the tetrafluorinated styrene resin. Is 340 to 350 ° C, and the heating time is preferably 20 to 30 minutes. If the heating temperature is too low, the melting of the tetrafluorinated styrene resin may be insufficient. On the other hand, if the heating temperature is too high, the second resin may be deteriorated.
- the heated resin layer is subjected to surface polishing.
- the pores formed by heating the resin layer are mainly formed inside the resin layer. Therefore, it is necessary to expose the pores to the surface by polishing the surface of the resin layer after heating.
- the method for polishing the resin layer is not particularly limited, and may be polished by a known method.
- the polishing depth is preferably 2 to 5 / z m. If the polishing depth is too small, the surface of the pores may be insufficiently exposed. On the other hand, if it is too large, the loss of the material constituting the resin layer increases, and the productivity decreases.
- the method for impregnating the pore portion with the fluorinated oil is not particularly limited, but it is preferable to adopt a method in which the fluorinated oil is applied with the resin layer heated to 50 to 100 ° C. .
- the viscosity of fluorinated oil can be reduced by setting it to the heated state, the fluorinated oil can be satisfactorily impregnated.
- the mechanical seal device 1 having the seal ring 2 and the floating sheet 3 of the present embodiment manufactured by such a method is a multi-function furnace having various stirrers and functions of solid-liquid separation, washing and drying. It can be suitably used for dry lubrication applications such as dryers, vacuum dryers, rotary feeder-seal, and mouth-tally joints.
- the sliding surface 2a of the seal ring 2 on the rotating side has an inner diameter of ⁇ 56.5 mm and an outer diameter of ⁇ 75 mm (the size of the seal ring 2 itself is an inner diameter of ⁇ 56.5 mm and an outer diameter of ⁇ 77 mm).
- the sliding surface 3a of the floating sheet 3 on the fixed side has an inner diameter of ⁇ 58.6 mm and an outer diameter of ⁇ 66.lm m (the size of the floating sheet 3 itself is an inner diameter of ⁇ 56 ⁇ , outer The diameter was ⁇ 81 ⁇ and the height was 27 mm.
- the sliding surfaces 2a and 3a of the seal ring 2 and the floating sheet 3 were each subjected to polishing lapping, and the surface roughness Ra was set to 0.05 m.
- the sliding surfaces 2a and 3a with the polishing lap are roughened using 9 m diamond paper, and then polished using a 3 m diamond dispersion to form a roughened surface.
- the tops of the convex portions of the concave and convex portions were cut in parallel, and the surface roughness of the sliding surfaces 2a and 3a was adjusted to Ra force SO. 30 to 0.35 / zm.
- a resin layer was formed on the sliding surfaces 2a and 3a whose surface roughness was adjusted as described above.
- the resin layer uses a solution containing polyamideimide resin, tetrafluorinated styrene resin, and NMP (N-methyl 2-pyrrolidone) as a solvent as a resin layer forming solution.
- the solution was applied onto the sliding surfaces 2a and 3a with a brush and then dried, so that the film thickness after drying was 25 to 30 m.
- the content of polyamideimide resin is 60% by weight and the content of tetrafluorinated styrene resin is 40% by weight with respect to the total solid content of 100% by weight.
- the tetrafluorinated styrene resin those having an average particle diameter in the range of 5 to 7 ⁇ m were used.
- the resin layer formed on the sliding surfaces 2a and 3a is heated under the conditions of a temperature of 340 ° C and a time of 30 minutes to melt the tetrafluorinated styrene resin, and pores are formed in the resin layer. Part was formed.
- the sliding surfaces 2a and 3a are cooled to room temperature, and a 6 m diamond dispersion is used.
- the layer was polished to a depth of 5 / zm to expose the pores on the surface of the resin layer.
- Fig. 2 shows a photomicrograph of the sliding surface 2a after polishing.
- perfluoropolyether is impregnated in the pores of the polished resin layer on the sliding surfaces 2a and 3a to impregnate the sliding surface with perfluoropolyether.
- a seal ring 2 and a floating sheet 3 in which a resin layer having pores was formed were obtained.
- perfluoropolyether perfluoropolyether having an average molecular weight of 8400 (DEMUNUM S-200 manufactured by Daikin Industries, Ltd.) was used.
- the oil content of monofluoropolyether is obtained by heating the resin layer to 80 ° C, applying perfluoropolyether to the surface of the resin layer, and then allowing it to naturally permeate. Oil impregnation.
- the seal ring 2 and the floating sheet 3 obtained above were combined through the respective sliding surfaces 2a and 3a to form a mechanical seal device, and a rotational sliding test was performed.
- the number of revolutions was 300 rpm (rotational speed: lmZs)
- the test atmosphere was a nitrogen atmosphere
- the test pressure was 0.8 MPa
- the test time was 100 hours.
- Table 1 shows the amount of wear on the sliding surface 2a on the rotating side and the sliding surface 3a on the fixed side and the presence or absence of squeal during the test after 100 hours of testing.
- Fig. 3A shows the wear state of the sliding surface 2a on the rotating side after 100 hours of testing.
- the heat treatment temperature of the resin layer was changed to 300 ° C (Comparative Example 1), 260 ° C (Comparative Example 2), and 220 ° C (Comparative Example 3), respectively. Then, a seal ring 2 and a floating sheet 3 were manufactured and subjected to a rotational sliding test. The results are shown in Table 1.
- a seal ring 2 and a floating sheet 3 were produced in the same manner as in Example 1 except that perfluoropolyether was not impregnated in the pores of the resin layer, and a rotational sliding test was performed. The results are shown in Table 1.
- Example 1 40 60 340 DE UNU S-200 0.1 0 None Comparative Example 1 40 60 300 DEMUNUM S- 200 1.9 1.5 None Comparative Example 2 40 60 260 DEMUNUM S-200 1.5 1 None
- PTFE means tetrafluorinated styrene resin
- PAI polyamideimide resin
- Example 1 in which the resin layer was formed of tetrafluorinated styrene resin and polyamideimide resin and heat-treated at a temperature higher than the melting point of tetrafluoroethylene resin and at a temperature of 340 ° C.
- dense pores were formed in the greaves layer.
- perfluoropolyether could be impregnated in the pores, and even after 100 hours, both the rotating side and the stationary side had good wear and good results.
- Comparative Examples 1 to 3 in which the heating temperature of the resin layer was set to 300 ° C, 260 ° C, and 220 ° C, which are lower than the melting point of tetrafluorinated styrene resin, No pores were formed in the cocoon layer. For this reason, perfluoropolyether could not be impregnated in the resin layer, and the amount of wear increased in the rotational sliding test. Further, in Comparative Example 4 in which perfluoropolyether was impregnated with oil, the amount of wear was increased, and a squealing sound was generated during the rotational sliding test.
- FIG. 3A shows the wear state of the sliding surface on the rotation side in Example 1
- FIG. 3B shows the wear state of the sliding surface on the rotation side in Comparative Example 3.
- a seal ring 2 and a floating sheet 3 were produced in the same manner as in Example 1 except that the polyamide imide resin was changed to a polyimide resin, and a rotational sliding test was performed. The results are shown in Table 2.
- PI polyimide resin
- the seal ring 2 and the floating sheet were the same as in Example 1 except that a part of the tetrafluorinated styrene resin contained in the resin layer was changed to graphite powder as shown in Table 3. 3 was manufactured and a rotational sliding test was conducted. The results are shown in Table 3.
- Example 7 Except for changing the base material to carbon (Example 7), acid-aluminum ceramic (Example 8), and a composite material of carbonized carbon and carbon (Example 9), the same procedure as in Example 1 was performed. A seal ring 2 and a floating sheet 3 were manufactured and subjected to a rotational sliding test. In Example 9, the mixing ratio of carbon carbide and carbon was 40:60 by weight. The results are shown in Table 4.
- a seal ring 2 and a floating sheet 3 were produced in the same manner as in Example 1 except that the type of perfluoropolyether to be impregnated in the pores of the resin layer was changed, and a rotational sliding test was performed.
- perfluoropolyether having an average molecular weight of 6250 (FOMBLIN YR manufactured by AUSIMANT) was used, and in Example 11, perfluoropolyether having an average molecular weight of 7500 (manufactured by NOK Kluber Co., Ltd. BARRIER). TA J400) was used respectively.
- the results are shown in Table 5.
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Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2007514604A JP5107702B2 (ja) | 2005-04-22 | 2006-04-18 | メカニカルシール装置、摺動部品およびその製造方法 |
EP20060732046 EP1873429B1 (en) | 2005-04-22 | 2006-04-18 | Mechanical seal device, sliding part, and method of producing the sliding part |
US11/918,939 US8440295B2 (en) | 2005-04-22 | 2006-04-18 | Mechanical seal device, sliding element, and method of production thereof |
KR1020077024122A KR101318428B1 (ko) | 2005-04-22 | 2006-04-18 | 메카니컬 실링장치, 슬라이딩부품 및 그 제조방법 |
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JP2005-125080 | 2005-04-22 | ||
JP2005125080 | 2005-04-22 |
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WO2006115118A1 true WO2006115118A1 (ja) | 2006-11-02 |
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US (1) | US8440295B2 (ja) |
EP (1) | EP1873429B1 (ja) |
JP (1) | JP5107702B2 (ja) |
KR (1) | KR101318428B1 (ja) |
CN (1) | CN100567779C (ja) |
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WO2010001762A1 (ja) * | 2008-07-02 | 2010-01-07 | イーグル工業株式会社 | 摺動部材およびメカニカルシール |
JP2010516560A (ja) * | 2007-01-30 | 2010-05-20 | ベルコ ソシエタ ペル アチオニ | キャタピラのジョイントシールシステム |
JP2012077888A (ja) * | 2010-10-05 | 2012-04-19 | Eagle Industry Co Ltd | 摺動材及び摺動材の製造方法 |
US10199789B2 (en) | 2013-10-02 | 2019-02-05 | Totan Kako Co. Ltd. | Metal-carbonaceous brush and method of manufacturing the same |
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WO2006115118A1 (ja) * | 2005-04-22 | 2006-11-02 | Eagle Industry Co., Ltd. | メカニカルシール装置、摺動部品およびその製造方法 |
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Also Published As
Publication number | Publication date |
---|---|
EP1873429A4 (en) | 2011-10-12 |
JP5107702B2 (ja) | 2012-12-26 |
KR20080015394A (ko) | 2008-02-19 |
EP1873429B1 (en) | 2013-01-23 |
US20090022973A1 (en) | 2009-01-22 |
US8440295B2 (en) | 2013-05-14 |
KR101318428B1 (ko) | 2013-10-15 |
EP1873429A1 (en) | 2008-01-02 |
JPWO2006115118A1 (ja) | 2008-12-18 |
CN100567779C (zh) | 2009-12-09 |
CN101163910A (zh) | 2008-04-16 |
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