RU94034342A - Method of machining piston - Google Patents

Method of machining piston

Info

Publication number
RU94034342A
RU94034342A RU94034342/02A RU94034342A RU94034342A RU 94034342 A RU94034342 A RU 94034342A RU 94034342/02 A RU94034342/02 A RU 94034342/02A RU 94034342 A RU94034342 A RU 94034342A RU 94034342 A RU94034342 A RU 94034342A
Authority
RU
Russia
Prior art keywords
piston
cylinder
processing
reaches
height
Prior art date
Application number
RU94034342/02A
Other languages
Russian (ru)
Other versions
RU2063320C1 (en
Inventor
А.Г. Кошелев
В.Г. Сафронов
Original Assignee
А.Г. Кошелев
В.Г. Сафронов
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 А.Г. Кошелев, В.Г. Сафронов filed Critical А.Г. Кошелев
Priority to RU94034342A priority Critical patent/RU2063320C1/en
Application granted granted Critical
Publication of RU2063320C1 publication Critical patent/RU2063320C1/en
Publication of RU94034342A publication Critical patent/RU94034342A/en

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  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

FIELD: mechanical engineering. SUBSTANCE: piston is machined mechanically until roughness reaches 10-50 micrometers in height, relative area of the regular roughness reaches 70-90%, and the diameter of the piston reaches a value defined by a formula presented in the invention description. EFFECT: decreased burning losses of oil.

Claims (1)

Изобретение относится к машиностроению, в частности к обработке поршней двигателя внутреннего сгорания, устанавливаемых в цилиндр (гильзу цилиндра) двигателя с рабочим зазором. Способ заключается в том, что при обработке поршня последний подвергают механической и антифрикционной обработке до формирования на его поверхности рельефа с высотой R = 10 - 50 мкм и величиной относительной площади, занимаемой регулярными неровностями 70 - 90%, и получения диаметра поршня, выбираемого по формуле D = D1 + (3 - 3,5) R • 10-3, где D1 - номинальный диаметр поршня. Такая обработка дает возможность уменьшить рабочий зазор между поршнем и цилиндром и тем самым уменьшить угар масла.The invention relates to mechanical engineering, in particular to the processing of pistons of an internal combustion engine installed in a cylinder (cylinder liner) of an engine with a working clearance. The method consists in the fact that when processing the piston, the latter is subjected to mechanical and antifriction treatment until a relief is formed on its surface with a height of R = 10 - 50 μm and the relative area occupied by regular irregularities of 70 - 90%, and the piston diameter selected by the formula D = D 1 + (3 - 3,5) R • 10 - 3 , where D 1 is the nominal diameter of the piston. This treatment makes it possible to reduce the working gap between the piston and the cylinder and thereby reduce oil burn.
RU94034342A 1994-09-29 1994-09-29 Method of machining piston RU2063320C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU94034342A RU2063320C1 (en) 1994-09-29 1994-09-29 Method of machining piston

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU94034342A RU2063320C1 (en) 1994-09-29 1994-09-29 Method of machining piston

Publications (2)

Publication Number Publication Date
RU2063320C1 RU2063320C1 (en) 1996-07-10
RU94034342A true RU94034342A (en) 1997-02-27

Family

ID=20160601

Family Applications (1)

Application Number Title Priority Date Filing Date
RU94034342A RU2063320C1 (en) 1994-09-29 1994-09-29 Method of machining piston

Country Status (1)

Country Link
RU (1) RU2063320C1 (en)

Also Published As

Publication number Publication date
RU2063320C1 (en) 1996-07-10

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