JPH0249174B2 - - Google Patents

Info

Publication number
JPH0249174B2
JPH0249174B2 JP59262824A JP26282484A JPH0249174B2 JP H0249174 B2 JPH0249174 B2 JP H0249174B2 JP 59262824 A JP59262824 A JP 59262824A JP 26282484 A JP26282484 A JP 26282484A JP H0249174 B2 JPH0249174 B2 JP H0249174B2
Authority
JP
Japan
Prior art keywords
cylinder sleeve
cylinder
port
cast
punch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP59262824A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61140332A (ja
Inventor
Yutaka Yamagata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yamaha Motor Co Ltd
Original Assignee
Yamaha Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yamaha Motor Co Ltd filed Critical Yamaha Motor Co Ltd
Priority to JP59262824A priority Critical patent/JPS61140332A/ja
Publication of JPS61140332A publication Critical patent/JPS61140332A/ja
Publication of JPH0249174B2 publication Critical patent/JPH0249174B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/18—Other cylinders
    • F02F1/22—Other cylinders characterised by having ports in cylinder wall for scavenging or charging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/28—Perforating, i.e. punching holes in tubes or other hollow bodies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Punching Or Piercing (AREA)
JP59262824A 1984-12-14 1984-12-14 エンジンシリンダの製造方法 Granted JPS61140332A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59262824A JPS61140332A (ja) 1984-12-14 1984-12-14 エンジンシリンダの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59262824A JPS61140332A (ja) 1984-12-14 1984-12-14 エンジンシリンダの製造方法

Publications (2)

Publication Number Publication Date
JPS61140332A JPS61140332A (ja) 1986-06-27
JPH0249174B2 true JPH0249174B2 (en]) 1990-10-29

Family

ID=17381118

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59262824A Granted JPS61140332A (ja) 1984-12-14 1984-12-14 エンジンシリンダの製造方法

Country Status (1)

Country Link
JP (1) JPS61140332A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102513439B (zh) * 2011-12-20 2015-04-22 金环建设集团有限公司 异形方管液压组合冲孔机

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5193490A (en]) * 1975-02-14 1976-08-16
JPS56141921A (en) * 1980-04-04 1981-11-05 Toyota Motor Corp Blanking apparatus for blanking plural holes by mobile dies

Also Published As

Publication number Publication date
JPS61140332A (ja) 1986-06-27

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