JP2023537983A - 電動コンプレッサーモーター用バランスウェイトおよびその製造方法 - Google Patents
電動コンプレッサーモーター用バランスウェイトおよびその製造方法 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 230000005484 gravity Effects 0.000 claims abstract description 94
- 239000000463 material Substances 0.000 claims abstract description 85
- 239000000126 substance Substances 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 25
- 239000000843 powder Substances 0.000 claims description 46
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 39
- 239000010937 tungsten Substances 0.000 claims description 39
- 229910052721 tungsten Inorganic materials 0.000 claims description 39
- 239000002245 particle Substances 0.000 claims description 31
- 229910001369 Brass Inorganic materials 0.000 claims description 22
- 239000010951 brass Substances 0.000 claims description 22
- 239000010949 copper Substances 0.000 claims description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 17
- 239000011812 mixed powder Substances 0.000 claims description 17
- 229910052802 copper Inorganic materials 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 10
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 6
- 229910052750 molybdenum Inorganic materials 0.000 claims description 6
- 239000011733 molybdenum Substances 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 6
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 abstract 1
- 239000008187 granular material Substances 0.000 description 9
- 238000012545 processing Methods 0.000 description 7
- 238000005204 segregation Methods 0.000 description 7
- 238000005469 granulation Methods 0.000 description 6
- 230000003179 granulation Effects 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 238000004663 powder metallurgy Methods 0.000 description 5
- 239000000314 lubricant Substances 0.000 description 4
- 229910052725 zinc Inorganic materials 0.000 description 4
- 239000011701 zinc Substances 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 238000005056 compaction Methods 0.000 description 3
- SBYXRAKIOMOBFF-UHFFFAOYSA-N copper tungsten Chemical compound [Cu].[W] SBYXRAKIOMOBFF-UHFFFAOYSA-N 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 238000005516 engineering process 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
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- JHOPGIQVBWUSNH-UHFFFAOYSA-N iron tungsten Chemical compound [Fe].[Fe].[W] JHOPGIQVBWUSNH-UHFFFAOYSA-N 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
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- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/04—Balancing means
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- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
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- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/16—Both compacting and sintering in successive or repeated steps
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- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/16—Both compacting and sintering in successive or repeated steps
- B22F3/164—Partial deformation or calibration
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- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/0425—Copper-based alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/04—Alloys based on copper with zinc as the next major constituent
-
- 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
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B31/00—Compressor arrangements
- F25B31/02—Compressor arrangements of motor-compressor units
- F25B31/026—Compressor arrangements of motor-compressor units with compressor of rotary type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/16—Centering rotors within the stator; Balancing rotors
- H02K15/165—Balancing the rotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/02—Additional mass for increasing inertia, e.g. flywheels
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- B22—CASTING; POWDER METALLURGY
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- B22F2301/00—Metallic composition of the powder or its coating
- B22F2301/10—Copper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2301/00—Metallic composition of the powder or its coating
- B22F2301/20—Refractory metals
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B22F2301/00—Metallic composition of the powder or its coating
- B22F2301/35—Iron
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- B22F2304/00—Physical aspects of the powder
- B22F2304/10—Micron size particles, i.e. above 1 micrometer up to 500 micrometer
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- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
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Abstract
Description
目標比重を8.5以上に設定した後、主ウェイト物質をCu 80wt%とZn20wt%で組成された黄銅(brass)に選定し、比重調節物質をタングステン(W)に選定した。次に、粒度10~140μmの黄銅粉末を準備し、粒度2~10μmのタングステン粉末を顆粒化して粒度10~100μmのタングステン顆粒粉末を準備した。次に、前記黄銅粉末と前記タングステン顆粒粉末を90:10の重量パーセント含有量比で準備し、潤滑剤でステアリン酸亜鉛(Zinc stearate)粉末を0.7wt%添加してダブルコーンミキサーで10~40分程度混合した。次に、前記混合粉末を粉末自動成形プレスにより圧力4~10ton/cm3で加圧成形し、この成形体を還元性雰囲気(H2+N2ガス)で温度600~900℃で焼結した後、再加圧して黄銅-タングステンの焼結体を製造した。
前記製造例1で黄銅粉末とタングステン顆粒粉末を85:15の重量パーセント含有量比で準備することを除いては、同様の方法で製造例2の黄銅-タングステンの焼結体を製造した。
目標比重を8.6以上に設定した後、主ウェイト物質を純銅に選定し、比重調節物質をタングステン(W)に選定した。次に、粒度10~140μmの純銅粉末を準備し、粒度2~10μmのタングステン粉末を顆粒化して粒度10~100μmのタングステン顆粒粉末を準備した。次に、前記純銅粉末と前記タングステン顆粒粉末を93.5:6.5の重量パーセント含有量比で準備し、潤滑剤でステアリン酸亜鉛(Zinc stearate)粉末を0.7wt%添加してダブルコーンミキサーで10~40分程度混合した。次に、前記混合粉末を粉末自動成形プレスにより圧力4~10ton/cm3で加圧成形し、この成形体を還元性雰囲気(H2+N2ガス)で温度900~1080℃で焼結した後、再加圧して純銅-タングステンの焼結体を製造した。
前記製造例3において、純銅粉末と前記タングステン顆粒粉末を85:15の重量パーセント含有率比で準備することを除いては、同様の方法で製造例4の純銅-タングステンの焼結体を製造した。
目標比重を7.8以上に設定した後、主ウェイト物質を鉄に選定し、比重調節物質をタングステンに選定した。次に、粒度10~140μmの鉄粉末を準備し、粒度2~10μmのタングステン粉末を顆粒化して粒度10~100μmのタングステン顆粒粉末を準備した。次に、前記鉄粉末と前記タングステン顆粒粉末を91.5:8.5の重量パーセント含有量比で準備し、潤滑剤でステアリン酸亜鉛(Zinc stearate)粉末を0.7wt%添加してダブルコーンミキサーで10~40分程度混合した。次に、前記混合粉末を粉末自動成形プレスにより圧力4~10ton/cm3で加圧成形し、この成形体を還元性雰囲気(H2+N2ガス)で温度1100~1400℃で焼結した後、再加圧して鉄-タングステンの焼結体を製造した。
製造例5において、鉄粉末と前記タングステン顆粒粉末を85:15の重量パーセント含有率比で準備することを除いては、同様の方法で製造例6の純銅-タングステンの焼結体を製造した。
亜鉛と銅の含有量比が2:8の黄銅材の鍛造品、加工品またはダイキャスティング品を購入した。
銅(Cu)100%材質の鍛造品、加工品、ダイキャスティング品を購入した。
鉄(Fe)100%材質の鍛造品、加工品、ダイキャスティング品を購入した。
Claims (10)
- 主ウェイト物質と、
比重調節物質と、を備えることを特徴とする、
電動コンプレッサーモーター用バランスウェイト。 - 前記主ウェイト物質は、黄銅、純銅または鉄を含むことを特徴とする、
請求項1に記載の電動コンプレッサモーター用バランスウェイト。 - 前記比重調節物質は、タングステン(W)、モリブデン(Mo)またはタングステンカーバイド(WC)を含むことを特徴とする、
請求項1に記載の電動コンプレッサーモーター用バランスウェイト。 - 前記主ウェイト物質は黄銅で、前記比重調節物質はタングステンであり、前記タングステンを総重量に対して10wt%以上含むことを特徴とし、比重8.5以上を有することを特徴とする、
請求項1に記載の電動コンプレッサモーター用バランスウェイト。 - 目標比重を有するように主ウェイト物質および比重調節物質を選定する段階と。
前記比重調節物質の粉末と前記主ウェイト物質の粉末を混合して混合粉末を形成する段階と、
前記混合粉末を加圧成形した後に焼結して焼結体を形成する段階と、
前記焼結体を再加圧する段階と、を備えることを特徴とする、
電動コンプレッサモーター用バランスウェイトの製造方法。 - 前記目標比重を有するように主ウェイト物質および比重調節物質を選定する段階であって、
前記主ウェイト物質は、黄銅、純銅または鉄を含むことを特徴とする、
請求項5に記載の電動コンプレッサモーター用バランスウェイトの製造方法。 - 前記目標比重を有するように主ウェイト物質および比重調節物質を選定する段階であって、
前記目標比重を前記主ウェイト物質の比重より高く設定する場合、前記比重調節物質は、タングステン(W)、モリブデン(Mo)またはタングステンカーバイド(WC)を含むことを特徴とする、
請求項6に記載の電動コンプレッサモーター用バランスウェイトの製造方法。 - 前記混合粉末を形成する段階であって、
前記主ウェイト物質の粉末の平均粒度は10μm~140μmであることを特徴とする、
請求項5に記載の電動コンプレッサモーター用バランスウェイトの製造方法。 - 前記混合粉末を形成する段階であって、
前記比重調節物質の粉末の平均粒度は10μm~100μmであることを特徴とする、
請求項5に記載の電動コンプレッサモーター用バランスウェイトの製造方法。 - 前記比重調節物質の粉末の平均粒度が10μm未満である場合、
前記主ウェイト物質および比重調節物質を選定する段階と前記混合粉末を形成する段階との間に、
前記比重調節物質の粉末を顆粒化する段階と、をさらに備えることを特徴とする、
請求項5に記載の電動コンプレッサモーター用バランスウェイトの製造方法。
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