JPS61140331A - ２行程エンジンのシリンダ加工方法 - Google Patents

２行程エンジンのシリンダ加工方法

Info

Publication number
JPS61140331A
JPS61140331A JP59262823A JP26282384A JPS61140331A JP S61140331 A JPS61140331 A JP S61140331A JP 59262823 A JP59262823 A JP 59262823A JP 26282384 A JP26282384 A JP 26282384A JP S61140331 A JPS61140331 A JP S61140331A
Authority
JP
Japan
Prior art keywords
punch
cylinder
boss
port
cylinder sleeve
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.)
Granted
Application number
JP59262823A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0474094B2 (en]
Inventor
Yutaka Yamagata
山県　裕
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 JP59262823A priority Critical patent/JPS61140331A/ja
Publication of JPS61140331A publication Critical patent/JPS61140331A/ja
Publication of JPH0474094B2 publication Critical patent/JPH0474094B2/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)
  • Punching Or Piercing (AREA)
JP59262823A 1984-12-14 1984-12-14 ２行程エンジンのシリンダ加工方法 Granted JPS61140331A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59262823A JPS61140331A (ja) 1984-12-14 1984-12-14 ２行程エンジンのシリンダ加工方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59262823A JPS61140331A (ja) 1984-12-14 1984-12-14 ２行程エンジンのシリンダ加工方法

Publications (2)

Publication Number Publication Date
JPS61140331A true JPS61140331A (ja) 1986-06-27
JPH0474094B2 JPH0474094B2 (en]) 1992-11-25

Family

ID=17381105

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59262823A Granted JPS61140331A (ja) 1984-12-14 1984-12-14 ２行程エンジンのシリンダ加工方法

Country Status (1)

Country Link
JP (1) JPS61140331A (en])

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5193490A (en]) * 1975-02-14 1976-08-16
JPS5615699U (en]) * 1979-07-09 1981-02-10

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5193490A (en]) * 1975-02-14 1976-08-16
JPS5615699U (en]) * 1979-07-09 1981-02-10

Also Published As

Publication number Publication date
JPH0474094B2 (en]) 1992-11-25

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