CN115537730B - Compressor lubrication slide sheet and compressor - Google Patents
Compressor lubrication slide sheet and compressor Download PDFInfo
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- CN115537730B CN115537730B CN202211142924.6A CN202211142924A CN115537730B CN 115537730 B CN115537730 B CN 115537730B CN 202211142924 A CN202211142924 A CN 202211142924A CN 115537730 B CN115537730 B CN 115537730B
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- layer
- sliding vane
- nitriding
- cast iron
- vane body
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- 238000005461 lubrication Methods 0.000 title claims abstract description 43
- 238000005121 nitriding Methods 0.000 claims abstract description 84
- 239000003094 microcapsule Substances 0.000 claims abstract description 59
- 229910001018 Cast iron Inorganic materials 0.000 claims abstract description 57
- 229910018104 Ni-P Inorganic materials 0.000 claims abstract description 51
- 229910018536 Ni—P Inorganic materials 0.000 claims abstract description 51
- 239000004519 grease Substances 0.000 claims abstract description 46
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910001562 pearlite Inorganic materials 0.000 claims abstract description 13
- 238000005496 tempering Methods 0.000 claims abstract description 13
- 238000010791 quenching Methods 0.000 claims abstract description 12
- 230000000171 quenching effect Effects 0.000 claims abstract description 12
- 238000009826 distribution Methods 0.000 claims abstract description 9
- 239000007787 solid Substances 0.000 claims abstract description 6
- 210000001787 dendrite Anatomy 0.000 claims abstract description 4
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 24
- 229910002804 graphite Inorganic materials 0.000 claims description 12
- 239000010439 graphite Substances 0.000 claims description 12
- 230000003746 surface roughness Effects 0.000 claims description 11
- 239000000314 lubricant Substances 0.000 claims description 6
- QDAYJHVWIRGGJM-UHFFFAOYSA-B [Mo+4].[Mo+4].[Mo+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O Chemical compound [Mo+4].[Mo+4].[Mo+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QDAYJHVWIRGGJM-UHFFFAOYSA-B 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 1
- 238000005299 abrasion Methods 0.000 abstract description 21
- 238000007747 plating Methods 0.000 abstract description 17
- 230000001050 lubricating effect Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 95
- 239000011248 coating agent Substances 0.000 description 19
- 238000000576 coating method Methods 0.000 description 19
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 12
- 239000003921 oil Substances 0.000 description 11
- 239000002775 capsule Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 10
- 239000010935 stainless steel Substances 0.000 description 10
- 229910001220 stainless steel Inorganic materials 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 229910001096 P alloy Inorganic materials 0.000 description 6
- 238000000227 grinding Methods 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 6
- OFNHPGDEEMZPFG-UHFFFAOYSA-N phosphanylidynenickel Chemical compound [P].[Ni] OFNHPGDEEMZPFG-UHFFFAOYSA-N 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 229910000997 High-speed steel Inorganic materials 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 238000005240 physical vapour deposition Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 238000007740 vapor deposition Methods 0.000 description 3
- 229910001060 Gray iron Inorganic materials 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910001295 No alloy Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010329 laser etching Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002088 nanocapsule Substances 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- PBMFSQRYOILNGV-UHFFFAOYSA-N pyridazine Chemical compound C1=CC=NN=C1 PBMFSQRYOILNGV-UHFFFAOYSA-N 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000013268 sustained release Methods 0.000 description 1
- 239000012730 sustained-release form Substances 0.000 description 1
Classifications
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/16—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D5/00—Heat treatments of cast-iron
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/02—Pretreatment of the material to be coated
- C23C14/024—Deposition of sublayers, e.g. to promote adhesion of the coating
-
- 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/02—Pretreatment of the material to be coated
- C23C16/0272—Deposition of sub-layers, e.g. to promote the adhesion of the main coating
-
- 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/06—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of metallic material
-
- 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
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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
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
-
- 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
-
- 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
- F04C29/02—Lubrication; Lubricant separation
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/006—Graphite
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/009—Pearlite
Abstract
The invention provides a compressor lubrication sliding vane, which comprises a sliding vane body, a nitriding layer, a Ni-P layer and a nano grease microcapsule, wherein the nitriding layer is arranged on the sliding vane body; the nitriding layer penetrates into the inner part and the surface of the sliding vane body, and the Ni-P layer is deposited on the surface of the nitriding layer; the nanometer grease microcapsule is distributed among the sliding vane body, the nitriding layer and the Ni-P layer, and nanometer solid grease is filled in the nanometer grease microcapsule; the sliding vane body is made of D-shaped cast iron, the pearlite content in the cast iron is less than 15%, ferrite is in a reticular dendrite distribution, and graphite forms are in a punctiform distribution, and the hardness of the D-shaped cast iron after quenching and low-temperature tempering is greater than 60HRC, and the strength of the D-shaped cast iron is greater than 650MPa; the compressor comprises the lubricating sliding vane. The invention has the advantages that: the Ni-P plating layer and the sliding vane body have high bonding strength, excellent abrasion resistance, low manufacturing cost and small impact noise of the sliding vane; when the nano grease microcapsule is extruded and rubbed by the sliding vane under pressure, the grease microcapsule is broken, and grease flows out to cover the surface of the sliding vane, so that the friction coefficient of the sliding vane and the roller is further reduced.
Description
Technical Field
The invention belongs to the field of compressor lubrication, and particularly relates to a compressor lubrication sliding sheet and a compressor.
Background
There are three forms of lubrication states: fluid lubrication, boundary lubrication, and hybrid lubrication. During fluid lubrication, the surfaces of two parts are completely lubricated by lubricating oil, and the thickness of the lubricating oil is small, so that the friction coefficient is small, the abrasion is less, and the abrasion is small; in the boundary lubrication mode, the surfaces of the two parts are in partial direct contact, an oil film is thin, the friction coefficient is high, the abrasion is large, and the abrasion is serious; the mixed lubrication is interposed between the fluid lubrication and the boundary lubrication. Most of the rotor compressor kinematic pairs are in a fluid lubrication state, but the R surface of the sliding vane and the outer surface of the rotor are in a boundary lubrication or mixed lubrication state.
The sliding vane is used as one of important elements of the rotary compressor, reciprocating inertial motion is carried out in a sliding vane groove of the air cylinder, the R surface of the head part of the sliding vane is always tightly attached to an eccentric roller of the compressor to form a friction pair, the friction pair is in line contact, the sliding vane works under the conditions of high temperature, high pressure and high speed impact load of a refrigerant medium for a long time and is in a critical lubrication state of oil shortage or oil shortage, and the contact part of the R surface of the head part of the sliding vane and the roller is extremely easy to wear; for a long time, the sliding vane is severely worn, and the R surface of the head part is even ground flat, so that the surface position tolerance is changed.
On the other hand, the large end face of the sliding vane forms a friction pair with the two side faces of the sliding vane groove of the air cylinder, the sliding vane height face forms a friction pair with the upper flange and the lower flange, when the pump body is installed, the sliding vane height is smaller than the air cylinder, an end face gap exists between the sliding vane and the upper flange and the lower flange, the sliding vane thickness is smaller than the width of the air cylinder groove, an end face axial gap exists between the sliding vane thickness and the air cylinder groove, and the gap is one of main leakage channels of the refrigerant of the compressor. At this time, if the clearance is too big, the gas cold leakage is big, can lead to the compressor cold to reduce, and the clearance is too little, because the gleitbretter corresponds the friction pair more, under the high pressure condition, gleitbretter wearing and tearing aggravate, the consumption increases, the surface abrasion volume aggravates, influence original surface size and form and position tolerance and make revealing further increase, cause vicious circle, seriously even cause the dead phenomenon of card and then influence the long-term reliability of compressor, finally influence the life of compressor.
With the gradual elimination of the old national standard type and the popularization of the new national standard variable frequency compressor and the energy-saving technology, the energy efficiency requirement of the compressor is greatly improved, the working pressure of the compressor is greatly improved, and the method has further higher requirements on the strength, the wear resistance, the fatigue resistance and the service life of the sliding vane, particularly the improvement of the current ten-year warranty period. Traditional sliding vane materials can not meet the use requirements of the current compressors.
At present, the abrasion problem of the R surface of the head part of the sliding vane and the outer surface of the roller is solved, the sliding vane is coated by plating methods such as Physical Vapor Deposition (PVD), atomic deposition (CVD), plasma Chemical Vapor Deposition (PCVD) and the like to improve the surface hardness of the sliding vane, so that the abrasion of the sliding vane is reduced, but the cost is high by adopting the methods, the binding force of the sliding vane coating and a metal matrix is small, the long-term reliability of the sliding vane still cannot be ensured after the coating is fallen or worn off for a long time under the boundary lubrication state, and meanwhile, the size change of the sliding vane is aggravated by the falling or worn of the coating, so that the leakage of a refrigerant is increased, and the energy efficiency of a compressor is reduced.
Aiming at the problem, the patent application CN114623080A discloses a sliding vane with a C-shaped groove, compared with the traditional arc sliding vane, the invention has the advantages that the lubricating liquid in the air suction cavity of the compressor can be brought into the C-shaped groove by the aid of the structure, the lubricating effect is improved, the friction coefficient and the abrasion are reduced, the service life of the compressor is prolonged, but compared with the original arc sliding vane, the C-shaped groove structure is larger in leakage, and the cold capacity of the compressor is reduced.
Patent CN202483877U, CN2931862Y discloses a sliding vane with needle roller at the head of the sliding vane, which converts the line contact form of the traditional sliding vane head and the roller into sliding friction, so as to reduce the friction coefficient and further reduce the power consumption of the compressor. However, the round holes and the wedge-shaped grooves in the structure cannot be produced and processed in a large scale. The head R of the formed grinding wheel is difficult to manufacture during round hole processing, the precision can not meet the requirements, if an embedded grinding wheel is adopted, the grinding wheel can not be repaired, the service life of the grinding wheel is short, and the manufacturing cost is high.
Patent application CN110848138A discloses a gleitbretter that gleitbretter both sides face has micro-pit structure + antifriction coating, antifriction coating covers friction side and micro-pit structure inner wall, can store the lubricant in the micro-pit structure, when friction pair takes place relative motion, because the lubricant in the extrusion effect micro-pit structure can be regarded as the secondary supply, the lubricant gets into between the friction pair, has increased the content of lubricant, plays the effect of reducing friction. However, the micro-pit structure needs lubricating oil at the position of the slide in the compressor for storage, so the micro-pit structure can only be designed in two side surfaces in the structure of the invention. However, since the position of the head of the R face of the sliding vane is in line contact with the roller and is in a critical lubrication state of oil shortage or oil shortage for a long time, the micro pits cannot store oil on the R face, so that the effect of solving the abrasion problem of the sliding vane and the roller is not great.
Disclosure of Invention
The invention provides a lubrication slide sheet of a compressor, which aims at solving the problems that the contact part of the R surface of the slide sheet head and a roller is easy to wear, a plated lubrication layer is easy to fall off or the manufacturing cost of a chute structure is high in the prior art.
The technical scheme of the invention is as follows: a lubrication slide sheet of a compressor comprises a slide sheet body, a nitriding layer, a Ni-P layer and a nano grease microcapsule; the nitriding layer penetrates into the inner part and the surface of the sliding vane body, and the Ni-P layer is deposited on the surface of the nitriding layer; the nanometer grease microcapsule is distributed among the sliding vane body, the nitriding layer and the Ni-P layer, and nanometer solid grease is filled in the nanometer grease microcapsule; the sliding vane body is made of D-shaped cast iron, the pearlite content in the cast iron is less than 15%, ferrite is in a reticular dendrite distribution, and graphite forms are in a punctiform distribution, and the hardness of the D-shaped cast iron after quenching and low-temperature tempering is greater than 60HRC, and the strength of the D-shaped cast iron is greater than 650MPa.
Further, the surface hardness of the nitrided sliding vane body is 600 HV-800 HV, the surface roughness Ra0.3-Ra0.6 and the depth of the nitrided layer is 10-15 mu m.
Further, the content of P in the Ni-P layer is 8% -10%, the thickness of the Ni-P layer is 5-10 mu m, and the hardness is more than 1000HV.
Further, the nano grease microcapsule in the outermost Ni-P layer is arranged at a position 15-20 mu m away from the surface of the sliding vane body, the microcapsule in the nitriding layer is arranged at a position 10-15 mu m away from the surface of the sliding vane body, and the microcapsule in the sliding vane body layer is arranged at a position 5-10 mu m away from the surface of the sliding vane body.
Further, the quantity of the nano grease microcapsules in the Ni-P layer, the nitriding layer and the sliding vane body is proportionally distributed, and the quantity Q1 of the microcapsules in the Ni-P layer is 9-12 per sm 2 The number of microcapsules in the nitriding layer is 1.5-2 times of Q1, and the number of microcapsules in the sliding vane body is 3-5 times of Q1.
Further, the nano-scale solid grease comprises at least one of molybdenum phosphate and graphene.
Further, the D-type cast iron had a quenching temperature of 850℃and a low-temperature tempering temperature of 200 ℃.
Preferably, the pearlite content in the cast iron material is 5%, the D-shaped punctiform graphite size is 3-5 mu m, the cast iron hardness is 265HB, the hardness of the cast iron after quenching and low-temperature tempering is 63HRC, the surface hardness after nitriding is 750HV, the thickness of the nitriding layer is 10 mu m, and the surface roughness after nitriding is Ra0.4; the thickness of the Ni-P layer is 10 mu m, and the hardness is 1085HV; the number of the nano grease microcapsules in the Ni-P layer is 11/sm 2 The number of microcapsules in the nitriding layer is 16/sm 2 The number of microcapsules in the sliding vane body layer is 35/sm 2 。
Preferably, the pearlite content in the cast iron material is 10%, the D-shaped punctiform graphite size is 3-5 mu m, the cast iron hardness is 245HB, the hardness of the cast iron after quenching and low-temperature tempering is 60HRC, the surface hardness after nitriding is 710HV, the thickness of the nitriding layer is 8 mu m, and the surface roughness after nitriding is Ra0.8; the thickness of the Ni-P layer is 10 mu m, and the hardness is 1023HV; the number of the nano grease microcapsules in the Ni-P layer is 6/sm 2 The number of microcapsules in the nitriding layer is 11/sm 2 The number of microcapsules in the sliding vane body layer is 20/sm 2 。
The invention also provides a compressor, and the compressor lubrication slide sheet is adopted.
The invention has the advantages that: the adopted sliding vane body is made of high-strength D-shaped cast iron material, after nitriding treatment, nickel-phosphorus alloy is plated in a vapor deposition mode, the obtained Ni-P plating layer and the sliding vane body are high in bonding strength, high in surface hardness and excellent in abrasion resistance, the plating layer is uniform, the manufacturing cost is low, and the impact noise of the cast iron sliding vane is small; when the sliding vane is pressed and rubbed by pressure, the nanometer grease microcapsules filled on each layer surface of the sliding vane body, the nitriding layer and the Ni-P coating are broken, grease flows out to cover the sliding vane surface, the friction coefficient of the sliding vane and the roller is further reduced, and the friction coefficient of the sliding vane, the cylinder and the flange can be also reduced.
Drawings
FIG. 1 is a metallographic structure diagram of a D-shaped cast iron of a sliding vane body;
FIG. 2 is a schematic diagram of the metallographic structure of the sliding vane of the present invention;
FIG. 3 is a schematic distribution diagram of nano-grease microcapsules with a sliding vane structure according to the present invention;
FIG. 4 is a label drawing of the nano-grease microcapsule with the sliding vane structure;
1 in the figure, a sliding vane body; 2-nitriding layer; 3-Ni-P layer; 4-nano grease microcapsule.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The lubricating slide sheet of the compressor provided by the invention mainly improves the slide sheet (especially the lubricity of the R surface) from two layers, firstly solves the problem of the bonding strength between a slide sheet base material and a lubricating coating and prevents the coating from falling off; secondly, provide a but microstructure of sustained release lubricating grease, can carry out automatic compensation grease according to wearing degree or operating time, provide lubrication action for between gleitbretter and the roller continuously for the boundary lubrication state between gleitbretter and the roller changes fluid lubrication state into, reduces the coefficient of friction of gleitbretter and roller.
The sliding vane structure of the invention can carry out automatic compensation lubrication according to the abrasion degree or the running time, and comprises the following components: the nano grease microcapsule comprises a sliding vane body, a nitriding layer, a Ni-P layer and a nano grease microcapsule. Wherein the sliding vane body is tightly combined with the nitriding layer and the Ni-P layer; the nanometer grease microcapsule is distributed among the sliding vane body, the nitriding layer and the Ni-P layer.
The sliding vane body adopted by the invention is made of high-strength D-shaped cast iron material, after nitriding treatment, nickel-phosphorus alloy is plated by adopting a vapor deposition mode, and the obtained Ni-P plating layer has high bonding strength with the sliding vane body, high surface hardness, excellent abrasion resistance and uniform plating layer; meanwhile, nanometer grease microcapsules are filled on each layer surface in the sliding vane body, the nitriding layer and the Ni-P coating layer at specific distances through laser etching, when the sliding vane is subjected to extrusion friction under pressure, the grease microcapsules at different positions are broken according to different friction degrees (or running time), grease flows out to cover the sliding vane surface, so that the friction coefficient of the sliding vane and a roller can be reduced, and the friction coefficient of the sliding vane and a cylinder and a flange can also be reduced.
As shown in figure 1, the D-shaped cast iron material of the sliding vane body has pearlite content less than 15% and ferrite distributed in a net-shaped dendrite shape to form a continuous 'skeleton', which is like a strengthening phase in the composite material; secondly, graphite forms in the cast iron are punctiform, the graphite length is 3-5 mu m, compared with the traditional A-type graphite gray cast iron (graphite length is more than 200 mu m), the graphite forms in the D-type cast iron adopted by the invention have small splitting effect on a matrix, and can exert the strengthening effect of matrix tissues to the greatest extent, so that the strength is far higher than that of the traditional pearlite gray cast iron, and the strength is improved by more than 30 percent; because the pressure born by the sliding vane is larger, the D-type cast iron material needs to be subjected to heat treatment, and the hardness is more than 60HRC and the strength is more than 650MPa after quenching and low-temperature tempering.
The D-shaped cast iron material with high strength is selected instead of the existing high-speed steel or stainless steel sliding sheet material, and the steel sliding sheet material has high strength, good wear resistance and poor antifriction property, and the steel sliding sheet is impacted by high-pressure high-speed air flow for a long time, so that the noise of the sliding sheet 'pyridazine' is obvious. Therefore, the sliding sheet material adopts cast iron material, and compared with high-speed steel or stainless steel, the cast iron has excellent antifriction property, and further has good noise and vibration prevention effect and low cost.
The surface of the cast iron substrate is subjected to nitriding strengthening, and as no alloy element exists in the cast iron adopted by the invention, the surface hardness after nitriding is Y2=600 HV-800 HV, and the nitriding layer depth is D2=10-15 mu m. Compared with the conventional slide plate technical scheme, the high-speed steel/stainless steel slide plate and nitriding treatment are adopted, as the steel slide plate contains Cr, ni and other alloy elements, a high-hardness reinforced phase such as CrN and the like can be generated after nitriding, and the hardness can reach 1000HV, so that the use requirement of the slide plate cannot be met by the single cast iron and nitriding treatment; the cast iron sliding vane is nitrided and then treated by nickel and phosphorus, and the vapor deposition Ni-P coating is suitable for any parts with complex forms, can obtain uniform coating, and has high bonding strength between the coating and a matrix, high surface hardness and excellent wear resistance.
The general cast iron has graphite phase, and graphite can not react with external elements at the position, so that the effect of directly adopting physical or chemical vapor deposition metal coating on the cast iron is very poor, if the cast iron is directly plated with nickel, the bonding strength of the Ni-P coating and a matrix is low, and the coating is easy to fall off, but in the invention, as shown in figure 2, a nitriding layer is used as a bottom layer, N atoms after nitriding the cast iron are diffused and reacted to a sliding vane body, a layer of compact Fe-N compound can grow on the surface, and then nickel plating and phosphorus plating are carried out, so that the problem of low bonding strength of the Ni-P coating and the cast iron can be effectively avoided, and the nitriding and nickel plating and phosphorus plating treatment also remarkably improve the wear resistance of the cast iron matrix while the cast iron has the wear resistance.
The surface roughness of the nitriding layer is required to be in the range of Ra0.3-Ra0.6, the roughness is too low, the effective contact area of nickel plating is small, the bonding strength is low, the roughness is too high, the nickel plating layer cannot completely cover the nitriding layer, the bonding strength is also low, the P content in the Ni-P plating layer is 8-10%, the thickness D1=5-10 mu m, and the hardness Y1 is more than 1000HV.
The nano grease microcapsule is filled with nano solid lubricant comprising molybdenum phosphate, graphene and the like, the quantity distribution of each layer of the nano grease microcapsule in the sliding vane body, the nitriding layer and the Ni-P coating is related to the abrasion state, and when the abrasion is severe, the quantity of the nano grease is increased when the nano grease microcapsule is closer to the sliding vane body; according to the wear degree of a sliding vane checked after the sale of a common compressor, the nano-oil microcapsule is uniformly distributed and arranged in proportion in a distribution mode of designing the nano-oil microcapsule; as shown in fig. 3, the distance between the outermost nickel-plated layer capsule position and the slide body is h1=15-20 μm, the distance between the middle layer capsule position and the slide body is h2=10-15 μm, and the distance between the body layer capsule position and the slide body is h3=5-10 μm.
The sliding vane is in a boundary lubrication state in the early operation stage of the compressor, the sliding vane is slightly worn, when the wear depth is more than 5 mu m, the microcapsule at the outermost layer position is broken by friction extrusion, the internal grease flows out to cover the surface of the sliding vane, compared with the solid grease and the liquid grease, the lubrication effect is better, the friction and wear between the sliding vane and the opposite-grinding part can be relieved, the power consumption of the compressor is reduced, and due to the slight wear, as the first layer for protection, the quantity of Ni-P layer capsules is designed to be Q1=9-12/sm 2 (square silk meters) too small in number and not obvious in lubrication effect; the abrasion is further increased along with the extension of the running time, the abrasion depth is more than 10 mu m, the outermost layer is completely abraded at the moment, the microcapsules on the middle nitriding layer are broken, and the number of the microcapsules designed on the middle nitriding layer is more than that of the microcapsules designed on the outermost layer due to the increase of the abrasion degree, and the number of the microcapsules Q < 2 > = 1.5-2Q 1; for long-term use under certain severe working conditions, when the sliding vane sliding abrasion depth is more than 20 mu m and the coating fails, the sliding vane body directly contacts with parts such as a roller, a flange and the like, and the sliding vane body hardness is lower than that of the coating, so that the lubricating requirement is far higher than that of the outermost layer and the middle layer, and the number of nano capsules of the sliding vane body layer is Q3 = 3-5Q 1.
The effects of the present invention are further described below by means of several specific sets of embodiments.
Example 1
The sliding vane body is made of a D-type cast iron material, the pearlite content is 5% before heat treatment, the D-type punctiform graphite size is 3-5 mu m, the cast iron hardness is 265HB, the hardness after heat treatment (quenching at 850 ℃ and tempering at 200 ℃) is 63HRC, the surface hardness after nitriding treatment is 750HV, the thickness of a nitriding layer is 10 mu m, and the surface roughness Ra0.4 after nitriding; after nitriding, the sliding vane body is plated with nickel-phosphorus alloy, the thickness of the Ni-P plating layer is 10 mu m, and the surface hardness reaches 1085HV.
Outermost Ni-P layerLaser etched nano grease microcapsule quantity Q1=11/sm 2 Number of capsules of nitriding layer in intermediate layer q2=16/sm 2 Body layer capsule number q3=35/sm 2 。
Example 2
The sliding vane body is made of a D-type cast iron material, the pearlite content is 10% before heat treatment, the D-type punctiform graphite size is 3-5 mu m, the cast iron hardness is 245HB, the hardness after heat treatment (quenching at 850 ℃ and tempering at 200 ℃) is 60HRC, the surface hardness after nitriding treatment is 710HV, the thickness of a nitriding layer is 10 mu m, and the surface roughness Ra0.8 after nitriding; after nitriding, the sliding vane body is plated with nickel-phosphorus alloy, the thickness of the Ni-P plating layer is 10 mu m, and the surface hardness reaches 1023HV.
The quantity Q1 = 6/sm of the laser etched nano grease microcapsules of the outermost Ni-P layer 2 Number of capsules of nitriding layer in intermediate layer q2=11/sm 2 Body layer capsule number q3=20/sm 2 。
Example 3
The sliding vane body is made of cast iron materials, the pearlite content before heat treatment is 20%, the D-shaped punctiform graphite size is 3-5 mu m, the cast iron hardness is 213HB, the hardness after heat treatment (quenching at 850 ℃ and tempering at 200 ℃) is 55HRC, the surface hardness after nitriding treatment is 680HV, the thickness of a nitriding layer is 10 mu m, and the surface roughness Ra0.3 after nitriding; after nitriding, the sliding vane body is plated with nickel-phosphorus alloy, the thickness of the Ni-P plating layer is 10 mu m, and the surface hardness reaches 938HV.
The quantity Q1 = 11/sm of the laser etched nano grease microcapsules of the outermost Ni-P layer 2 Number of capsules of nitriding layer in intermediate layer q2=16/sm 2 Body layer capsule number q3=35/sm 2 。
Comparative example 1
The slip sheet is nitrided by adopting conventional stainless steel as a body, and the thickness of a nitriding layer is 10 mu m.
The materials of examples 1-3 and comparative examples were tested for coating strength using a scratch tester, and the friction coefficient of the inventive materials was tested using a universal friction tester MMW-1, under the following conditions: the loading force is 400N, the rotating speed is 1200r, the time is 60min, and the oil shortage lubrication (1-3 oil drops) is realized. And directly obtaining an average value of the friction coefficient after the test by a universal testing machine, and detecting the abrasion depth of the sample piece after the test by a white light interferometer. The friction coefficient and the abrasion loss of the cast iron sliding vane, the conventional stainless steel nitriding sliding vane and the opposite-grinding FC300 material in the oil shortage state are as follows:
TABLE 1 lubrication wear comparison of the inventive sliding vane and conventional stainless steel nitriding sliding vane
| Measurement index | Example 1 | Example 2 | Example 3 | Comparative example 1 |
| Coefficient of friction | 0.08 | 0.11 | 0.14 | 0.12 |
| Wear (mu m) | 1.0 | 1.5 | 1.8 | 1.7 |
TABLE 2 contrast enhancement of bond Strength after nitriding+Nickel-phosphorus alloy plating of the sliding vane of the present invention
| Measurement index | Example 1 | Example 2 | Example 3 | Cast iron directly plated with nickel-phosphorus layer |
| Bond strength | 51N | 42N | 46N | 38N |
Meanwhile, for the single cylinder compressor below 1.5P of the material sliding vane machine of the invention of the optimal embodiment 1, noise test is carried out, and test data are shown as follows:
| measurement index | Invention cast iron material sliding vane | Stainless steel nitriding sliding vane |
| Sound power level db (A) | 65 | 67 |
As can be seen from the above test, the friction coefficients of the sliding vane materials in examples 1 and 2 of the invention are lower than those of the conventional stainless steel nitriding sliding vane, but in example 2, the Ni-P layer cannot completely cover the nitriding layer due to the fact that the surface roughness of the nitriding layer of the priming layer is higher and is larger than Ra0.6, so that the bonding strength is slightly lower instead, and the friction coefficient is still lower than that of the conventional stainless steel nitriding sliding vane. Example 3 as a reference, the cast iron used had a higher pearlite content, a lower hardness of less than 60HRC, and, after the nitriding layer and the Ni-P layer were combined, the surface hardness was only 938HV although the strength was improved, so that the coefficient of friction and the wear were slightly higher than those of the conventional stainless steel nitriding slide. The sliding vane in example 1 has the least friction coefficient, the strongest bonding strength with the nitriding layer and the Ni-P layer, and the best comprehensive test performance. Meanwhile, the sliding vane of the compressor has smaller impact noise when in use, so that the overall noise power level is also reduced; the invention has the advantages of low cost, high lubrication degree and low noise.
The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the invention, may be made by those skilled in the art without departing from the scope of the invention.
Claims (9)
1. A compressor lubrication slide, characterized in that: comprises a sliding vane body, a nitriding layer, a Ni-P layer and a nano grease microcapsule; the nitriding layer penetrates into the inner part and the surface of the sliding vane body, and the Ni-P layer is deposited on the surface of the nitriding layer; the nanometer grease microcapsule is distributed among the sliding vane body, the nitriding layer and the Ni-P layer, and the nanometer grease microcapsule is filled with a nanometer solid lubricant comprising molybdenum phosphate and graphene; the sliding vane body is made of D-shaped cast iron, the pearlite content in the cast iron is less than 15%, ferrite is in a reticular dendrite distribution, and graphite forms are in a punctiform distribution, and the hardness of the D-shaped cast iron after quenching and low-temperature tempering is greater than 60HRC, and the strength of the D-shaped cast iron is greater than 650MPa.
2. The compressor lubrication slide of claim 1, wherein: the surface hardness of the nitrided sliding vane body is 600 HV-800 HV, the surface roughness Ra0.3-Ra0.6 and the depth of the nitrided layer is 10-15 mu m.
3. The compressor lubrication slide of claim 1, wherein: the content of P in the Ni-P layer is 8% -10%, the thickness of the Ni-P layer is 5-10 mu m, and the hardness is more than 1000HV.
4. The compressor lubrication slide of claim 1, wherein: the nano grease microcapsule in the outermost Ni-P layer is arranged at a position 15-20 mu m away from the surface of the sliding vane body, the microcapsule in the nitriding layer is arranged at a position 10-15 mu m away from the surface of the sliding vane body, and the microcapsule in the sliding vane body layer is arranged at a position 5-10 mu m away from the surface of the sliding vane body.
5. The compressor lubrication slide of claim 1, wherein: the quantity of the nano grease microcapsules in the Ni-P layer, the nitriding layer and the sliding vane body is proportionally distributed, and the quantity Q1 of the microcapsules in the Ni-P layer is 9-12 per sm 2 The number of microcapsules in the nitriding layer is 1.5-2 times of Q1, and the number of microcapsules in the sliding vane body is 3-5 times of Q1.
6. The compressor lubrication slide of claim 1, wherein: the quenching temperature of the D-type cast iron is 850 ℃ and the low-temperature tempering temperature is 200 ℃.
7. The compressor lubrication slide of any one of claims 1 to 6, wherein: the pearlite content in the cast iron material is 5%, the D-shaped punctiform graphite size is 3-5 mu m, the hardness of cast iron is 265HB, and the cast iron is quenched and lowThe hardness after tempering is 63HRC, the surface hardness after nitriding is 750HV, the thickness of the nitriding layer is 10 mu m, and the surface roughness after nitriding is Ra0.4; the thickness of the Ni-P layer is 10 mu m, and the hardness is 1085HV; the quantity of the nano grease microcapsules in the Ni-P layer is 11/sm 2 The microcapsule quantity in the nitriding layer is 16/sm 2 The number of microcapsules in the sliding vane body layer is 35/sm 2 。
8. The compressor lubrication slide of any one of claims 3 to 6, wherein: the pearlite content in the iron material is 10%, the D-shaped punctiform graphite size is 3-5 mu m, the hardness of cast iron is 245HB, the hardness of the cast iron after quenching and low-temperature tempering is 60HRC, the surface hardness after nitriding is 710HV, the thickness of a nitriding layer is 8 mu m, and the surface roughness after nitriding is Ra0.8; the thickness of the Ni-P layer is 10 mu m, and the hardness is 1023HV; the number of the nano grease microcapsules in the Ni-P layer is 6/sm 2 The number of microcapsules in the nitriding layer is 11/sm 2 The number of microcapsules in the sliding vane body layer is 20/sm 2 。
9. A compressor comprising a compressor lubrication slide as claimed in any one of claims 1 to 8.
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|---|---|---|---|---|
| US4666786A (en) * | 1984-03-19 | 1987-05-19 | Aisin Seiki Kabushiki Kaisha | Sliding surface of composite nickel-plated sliding member |
| JP2000136784A (en) * | 1998-08-28 | 2000-05-16 | Taiho Kogyo Co Ltd | Vane for rotary compressor |
| CN1400329A (en) * | 2001-08-03 | 2003-03-05 | 上海日立电器有限公司 | Mutual matched compressor piston base material, blade base material and lubricant |
| CN110848138A (en) * | 2019-11-11 | 2020-02-28 | 珠海格力节能环保制冷技术研究中心有限公司 | Sliding vane surface structure, sliding vane and compressor |
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| US20140038862A1 (en) * | 2012-08-06 | 2014-02-06 | Exxonmobil Research And Engineering Company | Anti-wear performance of lubricants using carbon nanoplatelets |
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|---|---|---|---|---|
| US4666786A (en) * | 1984-03-19 | 1987-05-19 | Aisin Seiki Kabushiki Kaisha | Sliding surface of composite nickel-plated sliding member |
| JP2000136784A (en) * | 1998-08-28 | 2000-05-16 | Taiho Kogyo Co Ltd | Vane for rotary compressor |
| CN1400329A (en) * | 2001-08-03 | 2003-03-05 | 上海日立电器有限公司 | Mutual matched compressor piston base material, blade base material and lubricant |
| CN110848138A (en) * | 2019-11-11 | 2020-02-28 | 珠海格力节能环保制冷技术研究中心有限公司 | Sliding vane surface structure, sliding vane and compressor |
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