WO2006098303A1 - 摺動部材用組成物、摺動部材及び流体機械 - Google Patents
摺動部材用組成物、摺動部材及び流体機械 Download PDFInfo
- Publication number
- WO2006098303A1 WO2006098303A1 PCT/JP2006/304968 JP2006304968W WO2006098303A1 WO 2006098303 A1 WO2006098303 A1 WO 2006098303A1 JP 2006304968 W JP2006304968 W JP 2006304968W WO 2006098303 A1 WO2006098303 A1 WO 2006098303A1
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- Prior art keywords
- weight
- parts
- sliding member
- composition
- fluororesin
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
- F04C29/005—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
- F04C29/0057—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions for eccentric movement
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D179/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09D161/00 - C09D177/00
- C09D179/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C09D179/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/10—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
- F04B27/1036—Component parts, details, e.g. sealings, lubrication
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/02—Sliding-contact bearings
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/20—Sliding surface consisting mainly of plastics
- F16C33/201—Composition of the plastic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/18—Homopolymers or copolymers or tetrafluoroethene
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
- C23C22/08—Orthophosphates
- C23C22/18—Orthophosphates containing manganese cations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2203/00—Non-metallic inorganic materials
- F05C2203/08—Ceramics; Oxides
- F05C2203/0804—Non-oxide ceramics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
- F05C2225/04—PTFE [PolyTetraFluorEthylene]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
- F05C2225/06—Polyamides, e.g. NYLON
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
- F05C2225/10—Polyimides, e.g. Aurum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2251/00—Material properties
- F05C2251/14—Self lubricating materials; Solid lubricants
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/42—Pumps with cylinders or pistons
Definitions
- the present invention relates to a sliding member composition, a sliding member, and a fluid machine.
- Such a sliding member is required to have a required mechanical strength, and at the same time, a sliding property or wear resistance is required on the surface.
- composition for a sliding member composed of a fluororesin, a binder, and an antiwear agent
- This composition for a sliding member contains 0.5 to 12% by volume of an antiwear agent having a Mohs hardness in the range of 2.0 to 5.0 with respect to the fluororesin. Abrasion is improved.
- calcium fluoride has both mechanical strength and solid lubricity, so that the wear resistance can be reliably improved.
- Patent Document 1 Japanese Patent Laid-Open No. 2000-249063
- the coat layer of Patent Document 1 uses an aluminum alloy as a base material. Therefore, under severe sliding conditions in which the base material is an iron-based material, the mechanical strength of calcium fluoride is not necessarily exhibited, and the wear resistance is not sufficient.
- the present invention has been made in view of such points, and includes a sliding member composition having excellent sliding properties and wear resistance, and the sliding member composition as a coating layer. It is an object to provide a sliding member and a fluid machine including the sliding member.
- the first invention relates to 100 parts by weight or more and 500 parts by weight or more with respect to 100 parts by weight of the fluororesin.
- a composition for a sliding member comprising the lower binder and 70 parts by weight or more and 200 parts by weight or less of calcium fluoride.
- the solid lubricity is improved.
- the mechanical strength of calcium fluoride can be used because it contains 70 parts by weight or more of fluoride power per 100 parts by weight of the fluororesin.
- the wear resistance is improved even if the base material of the sliding member is a ferrous material.
- the binding strength by the binder is improved, and the strength of the composition itself is improved.
- the binder is 500 parts by weight or less and the calcium fluoride is 200 parts by weight or less with respect to 100 parts by weight of the fluororesin, the solid lubricity of the fluororesin is sufficiently exhibited.
- the composition of the present invention improves both solid lubricity and mechanical strength, and therefore wear resistance is improved.
- the fluororesin is polytetrafluoroethylene
- the binder is a polyamideimide resin
- the friction coefficient is lowered, and the mechanical strength is further improved.
- the binder is 300 parts by weight and the calcium fluoride is 100 parts by weight with respect to 100 parts by weight of the fluororesin.
- the third invention since 100 parts by weight of calcium fluoride is 100 parts by weight with respect to 100 parts by weight of the fluororesin, the solid lubricity of the fluororesin and the mechanical strength of calcium fluoride are reliably exhibited. Is done. Furthermore, since the binder is 300 parts by weight with respect to 100 parts by weight of the fluororesin and 100 parts by weight of calcium fluoride, the bond strength by the binder is also improved, and as a result, the wear resistance is reliably improved.
- a fourth invention is a sliding member in which a coat layer is formed on the surface of a metal substrate.
- the coating layer includes 100 parts by weight or more and 500 parts by weight or less of binder and 70 parts by weight or more and 200 parts by weight or less of calcium fluoride with respect to 100 parts by weight of the fluororesin. It is made of a composition for a sliding member.
- the coating layer of the composition for sliding member is formed on the surface of the substrate, the wear resistance on the sliding contact surface is improved.
- the surface of the base material is roughened.
- the adhesion lifetime between the substrate surface and the coating layer of the sliding member composition is increased.
- the fluororesin is polytetrafluoroethylene and the binder is a polyamideimide resin.
- the binder is 300 parts by weight and the calcium fluoride is 100 parts by weight with respect to 100 parts by weight of the fluororesin.
- the fourth invention is a sliding member in which a coat layer is formed on the surface of a metal substrate, and the coat layer is any force of the first to third inventions. It may be composed of two sliding member compositions. In the fifth aspect of the invention, the coat layer may be composed of any one sliding member composition of the first to third aspects.
- An eighth invention is a fluid machine including a sliding member having a coat layer formed on the surface of a metal substrate.
- the coating layer includes 100 parts by weight or more and 500 parts by weight or less of binder and 70 parts by weight or more and 200 parts by weight or less of calcium fluoride with respect to 100 parts by weight of the fluororesin. It is composed of a sliding member composition.
- the wear resistance of the coat layer on the surface of the substrate in the fluid machine is improved.
- a ninth invention is a fluid machine according to the eighth invention, wherein the sliding member is a bearing member.
- the wear resistance of the coating layer on the substrate surface is improved.
- the fluororesin is polytetrafluoroethylene and the binder is a polyamideimide resin.
- the binder is 300 parts by weight and the calcium fluoride is 100 parts by weight with respect to 100 parts by weight of the fluororesin.
- the surface of the substrate is roughened.
- the fluororesin is polytetrafluoroethylene and the binder is a polyamideimide resin.
- the binder is 300 parts by weight and the calcium fluoride is 100 parts by weight with respect to 100 parts by weight of the fluororesin.
- the eighth invention is a fluid machine including a sliding member in which a coating layer is formed on the surface of a metal base material, wherein the coating layer includes the first to third components.
- You may be comprised with the composition for any one sliding member of invention.
- the coat layer may be composed of any one composition for sliding members of the first to third inventions.
- the composition for a sliding member of the present invention contains a fluororesin, the solid lubricity is improved. Moreover, since the said composition for sliding members contains 70 weight part or more of calcium fluoride with respect to 100 weight part of fluororesins, the mechanical strength which calcium fluoride has can be exhibited. As a result, in the sliding member to which the composition for sliding member is applied, even if the base material of the sliding member is a ferrous material, the force S can be improved.
- the bond strength by the binder can be improved, and the strength of the entire composition can be improved.
- the binder is 500 parts by weight or less and the calcium fluoride is 200 parts by weight or less with respect to 100 parts by weight of the fluororesin, the solid lubricity of the fluororesin is fully exhibited. That power S.
- the coefficient of friction of the composition itself can be reduced, and the mechanical strength can be improved.
- the coating layer of the sliding member composition is formed on the surface of the base material, the wear resistance on the sliding contact surface can be improved. As a result, since the durability of the member itself is improved, it can be used for a long time.
- the adhesion between the surface of the base material and the coating layer of the composition for a sliding member is increased, and good slidability can be secured. it can.
- the wear resistance of the coating layer on the substrate surface in the fluid machine can be improved, and the reliability of the machine itself can be improved.
- the wear resistance of the bearing member can be improved, and the reliability of the bearing function can be improved.
- FIG. 1 is a cross-sectional view of a scroll compressor according to an embodiment.
- FIG. 2 is a schematic diagram for explaining the dry journal test.
- FIG. 3 is a table showing the relationship between the composition of the sliding member composition and the wear resistance.
- the fluid machine of the present embodiment is a scroll compressor (10).
- the crawl type compressor (10) is provided in the refrigerant circuit of the refrigeration apparatus, and is used to compress a gas refrigerant that is a fluid.
- the scroll compressor (10) is configured as a so-called hermetic type.
- the scroll compressor (10) includes a casing (11) formed in a vertically long and cylindrical sealed container shape.
- a lower bearing member (30), an electric motor (35), and a compression mechanism (40) are arranged in order from the bottom to the top. Further, a drive shaft (20) extending vertically is provided inside the casing (11).
- the inside of the casing (11) is partitioned into upper and lower portions by a fixed scroll (60) of the compression mechanism (40). Inside the casing (11), the space above the fixed scroll (60) is the first chamber (12), and the space below it is the second chamber (13).
- a suction pipe (14) is attached to the body of the casing (11). This suction pipe
- the drive shaft (20) includes a main shaft portion (21), a flange portion (22), and an eccentric portion (23).
- the flange portion (22) is formed at the upper end of the main shaft portion (21) and has a disk shape having a larger diameter than the main shaft portion (21).
- the said eccentric part (23) is protrudingly provided by the upper surface of the collar part (22).
- the eccentric portion (23) has a cylindrical shape with a smaller diameter than the main shaft portion (21), and the shaft center is eccentric with respect to the shaft center of the main shaft portion (21).
- the main shaft portion (21) of the drive shaft (20) passes through the frame member (41) of the compression mechanism (40).
- the main shaft portion (21) is supported by the frame member (41) via a roller bearing (42). Further, the flange portion (22) and the eccentric portion (23) of the drive shaft (20) are located in the first chamber (12) above the frame member (41).
- a slide bush (25) is attached to the drive shaft (20).
- the slide bush (25) includes a cylindrical part (26) and a balance weight part (27), and is placed on the flange part (22).
- An eccentric part (23) of the drive shaft (20) is rotatably inserted in the cylindrical part (26) of the slide bush (25).
- the lower bearing member (30) is located in the second chamber (13) in the casing (11).
- the lower bearing member (30) is fixed to the frame member (41) by bolts (32).
- the lower bearing member (30) supports the main shaft portion (21) of the drive shaft (20) via the ball bearing (31).
- An oil pump (33) is attached to the lower bearing member (30).
- the oil supply pump (33) is engaged with the lower end of the drive shaft (20).
- the oil supply pump (33) is driven by the drive shaft (20) and sucks the refrigeration oil accumulated at the bottom of the casing (11).
- the refrigerating machine oil sucked up by the oil supply pump (33) is supplied to the compression mechanism (40) and the like through a passage formed in the drive shaft (20).
- the electric motor (35) includes a stator (36) and a rotor (37).
- the stator (36) is fixed to the frame member (41) by the Bonoleto (32) together with the lower bearing member (30).
- the rotor (37) is fixed to the main shaft portion (21) of the drive shaft (20).
- a power feeding terminal (16) is attached to the body of the casing (11).
- the terminal (16) is covered with a terminal box (17). Electric power is supplied to the electric motor (35) through the terminal (16).
- the compression mechanism (40) includes a movable scroll (50) and an Oldham ring (43) in addition to the fixed scroll (60) and the frame member (41).
- the compression mechanism (40) has a so-called asymmetric scroll structure.
- the movable scroll (50) includes a movable-side flat plate portion (51), a movable-side wrap (52), and a protruding portion (53).
- This movable side flat plate portion (51) is formed in a slightly thick disk shape.
- the protruding portion (53) is formed integrally with the movable side flat plate portion (51) so as to protrude from the lower surface of the movable side flat plate portion (51). Further, the projecting portion (53) is located substantially at the center of the movable side flat plate portion (51).
- the cylindrical portion (26) of the slide bush (25) is inserted into the protruding portion (53). That is, the movable scroll (50) is engaged with the eccentric portion (23) of the drive shaft (20) via the slide bush (25).
- the movable side wrap (52) is erected on the upper surface side of the movable side flat plate portion (51), and is formed integrally with the movable side flat plate portion (51).
- the movable wrap (52) has a spiral wall shape with a constant height. Is formed.
- the movable scroll (50) is placed on the frame member (41) via the Oldham ring (43).
- This Oldham ring (43) has two pairs of keys.
- a pair of keys are engaged with the movable side flat plate portion (51) of the movable scroll (50), and the remaining pair of keys are engaged with the frame member (41).
- the orbiting scroll (50) engaged with the eccentric part (23) of the drive shaft (20) is controlled to rotate by the non-redam ring (43) and revolves. That is, the Oldham ring (43) moves in sliding contact with the movable scrambler (50) and the frame member (41).
- the fixed scroll (60) includes a fixed-side flat plate portion (61), a fixed-side wrap (63), and an edge portion (62).
- the fixed-side flat plate portion (61) is formed in a slightly thick disc shape.
- the diameter of the fixed flat plate portion (61) is substantially equal to the inner diameter of the casing (11).
- the edge portion (62) is formed in a wall shape extending downward from the peripheral portion of the fixed-side flat plate portion (61).
- the fixed scroll (60) is fixed to the frame member (41) by a bolt (44) in a state where the lower end of the edge (62) is in contact with the frame member (41).
- the fixed scroll (60) has its edge (62) in close contact with the casing (11) to partition the casing (11) into a first chamber (12) and a second chamber (13). ing.
- the fixed side wrap (63) is erected on the lower surface side of the fixed side flat plate portion (61), and is formed integrally with the fixed side flat plate portion (61).
- the fixed wrap (63) is formed in a spiral wall shape with a constant height, and has a length of about 3 mm.
- the inner wrap surface (64) and the outer wrap surface (65) which are both side surfaces of the fixed side wrap (63) are the outer wrap surface (54) and the inner wrap which are both side surfaces of the movable side wrap (52).
- the lower surface of the fixed-side flat plate portion (61), that is, the tooth bottom surface (66) other than the fixed-side wrap (63) the tip surface of the movable-side wrap (52) is slidably moved, so that the movable-side flat plate portion (51)
- the top surface of the tooth, that is, the tooth bottom surface (56) other than the movable wrap (52) is slidably moved by the tip surface of the fixed wrap (63).
- a discharge port (67) is formed in the vicinity of the beginning of the rolling of the fixed side wrap (63) in the fixed side flat plate portion (61). The discharge port (67) passes through the fixed-side flat plate portion (61) and opens into the first chamber (12).
- the scroll compressor (10) of the present embodiment is provided in a refrigerant circuit of a refrigerator. .
- the refrigerant circulates to perform a vapor compression refrigeration cycle.
- the scroll compressor (10) sucks and compresses the low-pressure gas refrigerant from the evaporator, and sends the compressed high-pressure gas refrigerant to the condenser.
- the sliding portion is provided with a lubricating portion (70) that is a bearing metal.
- the lubrication part (70) is a cylindrical bearing member, and is a sliding member in which a coat layer, which is a lubricant layer made of a composition for a sliding member, is provided on an inner peripheral surface of iron as a base material. It is a member. The inner surface of the lubricating part (70) provided with the lubricant layer slides with the outer peripheral surface of the cylindrical part (26) of the slide bush (25).
- the inner peripheral surface of the base material of the lubrication part (70) is roughened by chemical conversion treatment such that the surface roughness Ra becomes 3.7 ⁇ m.
- polyamideimide resin hereinafter referred to as PAI
- PTFE polytetrafluoroethylene
- CaF2 calcium fluoride
- the lubricant layer of the composition for a sliding member constituted is formed with a thickness of about 100 / im.
- the surface roughness Ra is the arithmetic average height Ra of the contour curve specified in JIS B 0601-2001. If the surface roughness Ra is displayed after this, it is determined by JIS. It shall represent the specified arithmetic average height Ra.
- a composition for a sliding member containing a fluororesin has a low coefficient of friction with a metal and excellent slidability.
- the substrate or the counterpart material is an iron-based material, the wear resistance is not sufficient.
- the inventors of the present application examined whether the wear resistance of the coating layer of the sliding member composition on the surface of the sliding member is improved by changing the blending amount of CaF2, which is an antiwear agent.
- PTFE was used as the fluororesin and PAI was used as the binder. Study by changing the amount of CaF2 in the composition to 10%, 20%, and 50% by weight.
- the examination method was a dry journal test as shown in FIG. First, a bearing (100) made of an iron base material was applied, and the surface of the cylinder inside the base material of the bearing (100) was subjected to a surface roughness treatment of Ra 3.7 ⁇ m by chemical conversion treatment using manganese phosphate. did. On top of that, a coating layer (101) of the above three types of sliding member compositions was formed as a lubricant layer having a thickness of about 100 ⁇ m. The coating layer (101) was formed by applying the above three types of sliding member compositions and then firing, followed by polishing the surface.
- a shaft (102) composed of SUJ2 FIS G4805-1990) is inserted into the bearing (100), and the shaft (102) is rotated at a constant speed.
- the sliding speed between the shaft (102) and the bearing (100) was set to 1 ⁇ 57 m / s, and the bearing (100) was fixed with a load of 0 ⁇ 41 MPa and held for 1 hour.
- the wear resistance was evaluated by measuring the amount of wear in the coating layer of the composition for sliding member. This test was conducted in the atmosphere and without any lubricating oil between the shaft (102) and the bearing (100).
- FIG. 3 shows the results of the dry journal test.
- the wear amount of each sample the sample A is 10 mu m containing CaF2 10 wt%
- a sample B is 4. 5 / im containing CaF2 20 wt%
- Sample 50 weight 0/0 containing CaF2 C was 20 ⁇ .
- Sampu Nore B has excellent wear resistance.
- the sample No. B containing 20 parts by weight of CaF2 has a low wear amount even in the atmosphere without lubricating oil.
- the base material and the coating layer of the sliding member composition are firmly adhered to each other and exhibit excellent sliding performance, so that sliding with a low coefficient of friction can be maintained for a long time. .
- the weight composition ratio of the composition for a sliding member according to the present invention is such that the solid lubricity of PTFE and the mechanical strength of CaF2 can be used, and further, the composition is firmly bonded by PAI of the binder. It is not limited to the value.
- the composition for a sliding member of the present invention comprises 100 parts by weight or more and 500 parts by weight or less PAI, 70 parts by weight or more and 300 parts by weight or less CaF2 with respect to 100 parts by weight of PTFE. It is composed to include les
- examples of the fluororesin include, but are not limited to, PTFE, tetrafluoroethylene monohexafluoropropylene copolymer resin, and the like.
- PAI tetrafluoroethylene monohexafluoropropylene copolymer resin
- the binder may be polyamide resin having similar characteristics other than PAI, and is not limited thereto.
- the lubrication part (70) which is a bearing metal is provided in the sliding part of the protrusion part (53) of (50). However, the lubrication part (70) of the bearing metal is not provided, and the surface inside the cylinder of the projecting part (53) of the movable scroll (50) is roughened by direct chemical conversion treatment.
- a coating layer made of the sliding member composition may be directly formed. Further, the coating layer may be directly formed on the outer peripheral surface of the cylindrical portion (26) of the slide bush (25).
- composition for the sliding member of Sample B of the above embodiment is applied to the sliding portion between the cylindrical portion (26) of the slide bush (25) and the protruding portion (53) of the movable scrambler (50).
- the same effect can be obtained by coating a sliding member of various types and applications.
- the bottom surface of the movable-side flat plate portion (51) of the movable scroll (50) is made of the coating for the sliding member of the Sampu Nore B according to the above embodiment. You can also form a single layer. Further, the coat layer may be formed on the entire movable scroll (50).
- the opposed surfaces of the movable scroll (50) and the fixed scroll (60) slide, the inner wrap surface (55) and the outer wrap surface (54 of the movable side wrap (52) of the movable scroll (50). And a coating layer made of the composition for the sliding member of Sampu Nore B of the above embodiment may be formed on the front end surface.
- the opposed surface of the movable scroll (50) in the fixed wrap (63) of the fixed scroll (60) that is, the inner wrap surface (64), the outer wrap surface (65), and the tip surface of the fixed wrap (63)
- the above-mentioned coat layer may be formed.
- the Oldham ring (43) force S slides on the lower surface of the movable side flat plate portion (51) of the movable scroll (50), and the main body and the other key of the onoredam ring (43) are connected to the frame member (41). Slide. Therefore, a coat layer made of the composition for the sliding member of Sample B of the above embodiment may be formed on the surface of the Oldham ring (43). In the above embodiment, the movable scroll (50) is placed on the frame member (41) via the Oldham ring (43).
- the coating layer may be formed on the upper surface of the thrust bearing.
- the main shaft portion (21) has a force S, in which the roller bearing (42) and the ball bearing (31) are supported as sliding portions, and the main shaft portion (21) slips. It may be supported by a journal bearing which is a bearing.
- a coat layer made of the composition for the sliding member of Sampu Nore B of the above embodiment may be formed on the sliding portion of the main shaft portion (21) and the bearing. That is, the coat layer may be formed on the outer peripheral surface of the main shaft portion (21) or the inner peripheral surface of the bearing.
- the sliding force of the scroll compressor (10) is formed by forming a coat layer made of the composition for the sliding member of Sample B of the above embodiment.
- the machine is not limited to the scroll type, and can be any type of compressor that compresses fluid. Further, the fluid is not limited to the refrigerant.
- the sliding member of the present invention is not limited to a sliding member used in a compressor. Sliding members for fluid machinery other than compressors, vehicles and Any part may be used as long as it is a sliding part such as a driving part and a rotating part of a manufacturing apparatus.
- a coating layer made of the composition for the sliding member of Sampu Nore B of the above embodiment may be formed only on one of the two members that slide on each other.
- the above coat layer may be formed on both members.
- the surface roughening method of the substrate is not limited to the chemical conversion treatment, and various known methods such as a sand blast treatment can be used.
- medical agent used for a chemical conversion treatment is not limited to phosphoric acid manganese, Other phosphates and well-known chemical
- the coating layer of the sliding member composition contains a pigment such as carbon as a colorant and other additives. It may be.
- the addition amount of such an additive is set to such an extent that the wear resistance of the layer containing the sliding member composition does not adversely affect the performance such as adhesion to the substrate.
- carbon as an additive must be set to 3% by mass or less of the fluororesin, preferably 1% by mass or less, and more preferably 0.5% by mass or less.
- the thickness of the coating layer of the sliding member composition is preferably 35 ⁇ m or more and 120 ⁇ m or less. If it is thinner than 35 ⁇ , the sliding performance may be inferior. If it is thicker than 120 ⁇ , the manufacturing cost will increase.
- the thickness of this layer is preferably 50 ⁇ or more and 105 ⁇ ⁇ or less in terms of sliding performance and cost.
- the thickness of the layer here is an average thickness, and may be locally outside this range.
- the composition for a sliding member according to the present invention has excellent wear resistance and is useful as a coating layer for sliding members of air conditioners, vehicles, machine tools, and the like.
- the sliding member provided with the coating layer and the fluid machine provided with the sliding member are useful as sliding members and fluid machines for air conditioners, vehicles, machine tools, and the like.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sliding-Contact Bearings (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Compressor (AREA)
- Rotary Pumps (AREA)
- Lubricants (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2006223991A AU2006223991B2 (en) | 2005-03-16 | 2006-03-14 | Composition for sliding element, sliding element and fluid machine |
CN2006800069994A CN101133126B (zh) | 2005-03-16 | 2006-03-14 | 滑动部件用组合物、滑动部件以及流体机械 |
KR1020077023564A KR100934843B1 (ko) | 2005-03-16 | 2006-03-14 | 습동부재용 조성물, 습동부재 및 유체기계 |
US11/886,247 US20080214415A1 (en) | 2005-03-16 | 2006-03-14 | Composition for Sliding Element, Sliding Element and Fluid Machine |
EP06729021A EP1860156A4 (en) | 2005-03-16 | 2006-03-14 | COMPOSITION FOR SLIDE MEMBER, SLIDE MEMBER, AND FLUID MACHINERY |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005075475A JP3941815B2 (ja) | 2005-03-16 | 2005-03-16 | 摺動部材用組成物、摺動部材及び流体機械 |
JP2005-075475 | 2005-03-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006098303A1 true WO2006098303A1 (ja) | 2006-09-21 |
Family
ID=36991646
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/304968 WO2006098303A1 (ja) | 2005-03-16 | 2006-03-14 | 摺動部材用組成物、摺動部材及び流体機械 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20080214415A1 (ja) |
EP (1) | EP1860156A4 (ja) |
JP (1) | JP3941815B2 (ja) |
KR (1) | KR100934843B1 (ja) |
CN (1) | CN101133126B (ja) |
AU (1) | AU2006223991B2 (ja) |
WO (1) | WO2006098303A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009079111A (ja) * | 2007-09-26 | 2009-04-16 | Daikin Ind Ltd | 摺動部材 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4967513B2 (ja) * | 2006-08-07 | 2012-07-04 | ダイキン工業株式会社 | 圧縮機の摺動部材用組成物、圧縮機の摺動部材及び圧縮機 |
AU2007311326A1 (en) * | 2006-09-28 | 2008-04-24 | Daikin Industries, Ltd. | Sliding member and fluidic machine that uses the same |
JP5217234B2 (ja) * | 2007-05-14 | 2013-06-19 | ダイキン工業株式会社 | 摺動部被覆用樹脂組成物 |
WO2009095740A1 (en) | 2008-01-30 | 2009-08-06 | Danfoss Commercial Compressors | Temporary self-lubricating coating for scroll compressor |
JP2013015092A (ja) * | 2011-07-05 | 2013-01-24 | Daikin Industries Ltd | 圧縮機 |
JP5132806B1 (ja) * | 2011-09-29 | 2013-01-30 | 大同メタル工業株式会社 | すべり軸受 |
JP5448009B2 (ja) * | 2012-03-16 | 2014-03-19 | 大同メタル工業株式会社 | 樹脂摺動部材 |
JP5465270B2 (ja) * | 2012-03-29 | 2014-04-09 | 大同メタル工業株式会社 | 樹脂摺動部材 |
CN106151029A (zh) * | 2015-04-23 | 2016-11-23 | 艾默生环境优化技术(苏州)有限公司 | 涡旋压缩机以及用于涡旋压缩机的驱动轴和卸载衬套 |
KR20170138506A (ko) * | 2015-04-23 | 2017-12-15 | 에머슨 클라이미트 테크놀로지스 (쑤저우) 코., 엘티디. | 스크롤 압축기 및 스크롤 압축기를 위한 구동 샤프트 및 언로딩 부시 |
CN106968948A (zh) * | 2017-04-28 | 2017-07-21 | 上海海立新能源技术有限公司 | 一种压缩机 |
CN107100846B (zh) | 2017-04-28 | 2020-05-26 | 上海海立新能源技术有限公司 | 一种车用涡旋压缩机 |
CN106949049B (zh) * | 2017-04-28 | 2020-06-02 | 上海海立新能源技术有限公司 | 一种立式压缩机 |
KR102489249B1 (ko) | 2018-12-03 | 2023-01-17 | 주식회사 엘지화학 | 폴리페닐렌 설파이드의 제조방법 및 제조장치 |
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-
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- 2006-03-14 US US11/886,247 patent/US20080214415A1/en not_active Abandoned
- 2006-03-14 CN CN2006800069994A patent/CN101133126B/zh not_active Expired - Fee Related
- 2006-03-14 AU AU2006223991A patent/AU2006223991B2/en not_active Ceased
- 2006-03-14 KR KR1020077023564A patent/KR100934843B1/ko not_active IP Right Cessation
- 2006-03-14 WO PCT/JP2006/304968 patent/WO2006098303A1/ja active Application Filing
- 2006-03-14 EP EP06729021A patent/EP1860156A4/en not_active Withdrawn
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JP2009079111A (ja) * | 2007-09-26 | 2009-04-16 | Daikin Ind Ltd | 摺動部材 |
Also Published As
Publication number | Publication date |
---|---|
JP2006257231A (ja) | 2006-09-28 |
CN101133126B (zh) | 2010-05-19 |
EP1860156A4 (en) | 2012-10-03 |
JP3941815B2 (ja) | 2007-07-04 |
US20080214415A1 (en) | 2008-09-04 |
KR100934843B1 (ko) | 2009-12-31 |
AU2006223991A1 (en) | 2006-09-21 |
KR20070112851A (ko) | 2007-11-27 |
CN101133126A (zh) | 2008-02-27 |
AU2006223991B2 (en) | 2010-07-15 |
EP1860156A1 (en) | 2007-11-28 |
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