JP5984809B2 - 内燃機関用のピストン並びにピストンを製造する方法 - Google Patents
内燃機関用のピストン並びにピストンを製造する方法 Download PDFInfo
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- 238000002485 combustion reaction Methods 0.000 title claims description 26
- 238000000034 method Methods 0.000 title claims description 22
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 238000003466 welding Methods 0.000 claims description 27
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 15
- 238000005496 tempering Methods 0.000 claims description 14
- 238000005304 joining Methods 0.000 claims description 10
- 238000001556 precipitation Methods 0.000 claims description 8
- 229910000760 Hardened steel Inorganic materials 0.000 claims description 7
- 230000001154 acute effect Effects 0.000 claims description 5
- 238000004881 precipitation hardening Methods 0.000 claims description 5
- 238000000137 annealing Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 7
- 238000005242 forging Methods 0.000 description 5
- 238000010791 quenching Methods 0.000 description 5
- 230000000171 quenching effect Effects 0.000 description 5
- 238000005266 casting Methods 0.000 description 4
- 239000011324 bead Substances 0.000 description 2
- 238000005121 nitriding Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 229910001563 bainite Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- QMQXDJATSGGYDR-UHFFFAOYSA-N methylidyneiron Chemical compound [C].[Fe] QMQXDJATSGGYDR-UHFFFAOYSA-N 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/10—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass pistons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/129—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding specially adapted for particular articles or workpieces
-
- 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
-
- 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
- C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
- F02F3/0015—Multi-part pistons
- F02F3/003—Multi-part pistons the parts being connected by casting, brazing, welding or clamping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
- F02F3/0084—Pistons the pistons being constructed from specific materials
- F02F3/0092—Pistons the pistons being constructed from specific materials the material being steel-plate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
- F02F3/16—Pistons having cooling means
- F02F3/20—Pistons having cooling means the means being a fluid flowing through or along piston
- F02F3/22—Pistons having cooling means the means being a fluid flowing through or along piston the fluid being liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/003—Pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
- F02F3/0015—Multi-part pistons
- F02F3/003—Multi-part pistons the parts being connected by casting, brazing, welding or clamping
- F02F2003/0061—Multi-part pistons the parts being connected by casting, brazing, welding or clamping by welding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49229—Prime mover or fluid pump making
- Y10T29/49249—Piston making
- Y10T29/49252—Multi-element piston making
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49229—Prime mover or fluid pump making
- Y10T29/49249—Piston making
- Y10T29/49252—Multi-element piston making
- Y10T29/49254—Utilizing a high energy beam, e.g., laser, electron beam
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Fluid Mechanics (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Description
Claims (13)
- 第1のピストン部材(11,111,211)と第2のピストン部材(12,112,212)とから成る、内燃機関用のピストン(10,110,210)を製造する方法であって、下記の方法ステップ、すなわち
(a)調質可能な鋼又は析出硬化する鋼から成っていて少なくとも1つの接合面(29,31)を備える、前記第1のピストン部材(11,111,211)のブランク(211′)を準備し、
(b)調質可能な鋼又は析出硬化する鋼から成っていて少なくとも1つの接合面(32,33)を備える、前記第2のピストン部材(12,112,212)のブランク(212′)を準備し、
(c)前記ブランク(211′,212′)を調質又は析出硬化し、
(d)前記第1のピストン部材(11,111,211)のブランク(211′)と前記第2のピストン部材(12,112,212)のブランク(212′)とを、前記接合面(29,31,32,33)を介して摩擦溶接によって結合して1つのピストンブランク(210′)を形成し、この際に少なくとも1つの摩擦溶接シーム(25,26,125,226)と該少なくとも1つの摩擦溶接シーム(25,26,125,226)の領域における熱影響ゾーン(30,30′)とを形成し、
(e)前記熱影響ゾーン(30,30′)を維持しながら、前記ピストンブランク(210′)に焼き戻し又は応力除去焼き鈍しを、施し、
(f)前記ピストンブランク(210′)を、1つのピストン(10,110,210)に後加工及び/又は仕上げ加工する、
という方法ステップを特徴とする、内燃機関用のピストンを製造する方法。 - 前記ブランク(211′,212′)を、ステップ(c)とステップ(d)との間において予備加工する、請求項1記載の方法。
- 少なくとも1つの摩擦溶接シーム(26,125)を、該摩擦溶接シーム(26,125)が半径方向においてピストン中心軸線(A)に対して鋭角(α)又は鈍角(β)を成して延びるように、形成する、請求項1記載の方法。
- 少なくとも1つのブランク(211′,212′)に少なくとも1つのリング溝(34,36,37)を設け、前記ブランク(211′,212′)の少なくとも1対の対応する接合面(29,32)を、ステップ(d)の後で1つのリング溝(34)の下側の溝面(34′)と外側の摩擦溶接シーム(25,125)の中心との間の間隔が、該摩擦溶接シームの熱影響ゾーン(30)の軸方向高さよりも小さくなるように、位置決めする、請求項1記載の方法。
- ステップ(f)において、前記ピストンブランク(210′)に少なくとも1つのリング溝(34,36,37)を設け、この際に1つのリング溝(34)の下側の溝面(34′)と外側の摩擦溶接シーム(25,125)の中心との間の間隔が、該摩擦溶接シームの熱影響ゾーン(30)の軸方向高さよりも小さくなるようにする、請求項1記載の方法。
- ステップ(a)において、ピストンベース体(11,111,211)のブランク(211′)に、外側の接合面(29)及び内側の接合面(31)と、両接合面(29,31)の間を延びる環状の下側の冷却通路部分(23a)とを、準備し、ステップ(b)において、ピストンリングエレメント(12,112,212)のブランク(212′)に、外側の接合面(32)及び内側の接合面(33)と、両接合面(32,33)の間において環状に延びる上側の冷却通路部分(23b)とを、準備する、請求項1記載の方法。
- 燃焼室凹部(24)を有する、ピストンリングエレメント(12,112,212)のブランク(212′)を使用する、請求項6記載の方法。
- 燃焼室凹部(24)の少なくとも1つの壁領域(28′)を有する、ピストンリングエレメント(12,112,212)のブランク(212′)を使用し、燃焼室凹部(24)の少なくとも1つの底領域(27)を有する、ピストンベース体(11,111,211)のブランク(211′)を使用する、請求項6記載の方法。
- 第1のピストン部材(11,111,211)と第2のピストン部材(12,112,212)とから成る、内燃機関用のピストン(10,110,210)であって、該ピストン(10,110,210)は、ピストン頂部(19)と環状のトップランド(21)と、リング溝(34,36,37)を備える環状のリング部分(22)とピストンスカート(15)とを有する、ピストンにおいて、
前記第1のピストン部材(11,111,211)及び前記第2のピストン部材(12,112,212)は、調質可能な鋼又は析出硬化する鋼から成っていて、摩擦溶接によって互いに結合されており、少なくとも1つの摩擦溶接シーム(25,26,125,226)は、熱影響ゾーン(30,30′)によって取り囲まれており、
前記少なくとも1つの摩擦溶接シーム(25,125)は、1つのリング溝(34)の下側の溝面(34′)と摩擦溶接シーム(25,125)の中心との間の間隔が、該摩擦溶接シーム(25,125)の熱影響ゾーン(30)の軸方向高さよりも小さくなるように、位置決めされていることを特徴とする、内燃機関用のピストン。 - 前記少なくとも1つの摩擦溶接シーム(26,125)は、該摩擦溶接シーム(26,125)が半径方向においてピストン中心軸線(A)に対して垂直に又は鋭角(α)又は鈍角(β)を成して延びている、請求項9記載のピストン。
- 前記第1のピストン部材は、少なくとも1つのピストンスカート(15)を有するピストンベース体(11,111,211)であり、前記第2のピストン部材は、少なくとも1つのピストン頂部(19)と環状のトップランド(21)と、リング溝(34,36,37)を備える環状のリング部分(22)とを有するピストンリングエレメント(12,112,212)であり、前記ピストンベース体(11)と前記ピストンリングエレメント(12)とは、環状の冷却通路(23)を形成している、請求項9記載のピストン。
- 前記ピストンリングエレメント(12)は燃焼室凹部(24)を有する、請求項11記載のピストン。
- 前記ピストンリングエレメント(12,112,212)は、燃焼室凹部(24)の少なくとも1つの壁領域(28′)を有し、前記ピストンベース体(11,111,211)は、燃焼室凹部(24)の少なくとも1つの底領域(27)を有する、請求項11記載のピストン。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE102010033881.8 | 2010-08-10 | ||
DE102010033881A DE102010033881A1 (de) | 2010-08-10 | 2010-08-10 | Kolben für einen Verbrennungsmotor und Verfahren zu seiner Herstellung |
PCT/DE2011/001563 WO2012019592A1 (de) | 2010-08-10 | 2011-08-09 | Kolben für einen verbrennungsmotor und verfahren zu seiner herstellung |
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JP2013533430A JP2013533430A (ja) | 2013-08-22 |
JP5984809B2 true JP5984809B2 (ja) | 2016-09-06 |
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US (1) | US8635982B2 (ja) |
EP (1) | EP2603685B1 (ja) |
JP (1) | JP5984809B2 (ja) |
KR (1) | KR101930094B1 (ja) |
CN (1) | CN103124841B (ja) |
BR (1) | BR112013003252B1 (ja) |
DE (1) | DE102010033881A1 (ja) |
WO (1) | WO2012019592A1 (ja) |
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BR112013003252A2 (pt) | 2016-05-17 |
CN103124841B (zh) | 2016-09-07 |
DE102010033881A1 (de) | 2012-02-16 |
BR112013003252B1 (pt) | 2021-03-02 |
US8635982B2 (en) | 2014-01-28 |
CN103124841A (zh) | 2013-05-29 |
KR20130105623A (ko) | 2013-09-25 |
WO2012019592A1 (de) | 2012-02-16 |
JP2013533430A (ja) | 2013-08-22 |
US20120037111A1 (en) | 2012-02-16 |
EP2603685B1 (de) | 2016-11-09 |
KR101930094B1 (ko) | 2018-12-17 |
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