Influences of Cooling Intensity, Mating Material and Lubricant Medium on Temperature Limit of Piston Ring Groove

HAN Xiaoguang; DU Fengming; WU Di; JIN Mei; YUAN Xiaoshuai; HU Dingyun; PANG Ming; XU Jiujun

doi:10.3969/j.issn.1001-2222.2017.02.007

Vehicle Engine >

2017 , Vol. 0 >Issue 2: 41 - 44

DOI: https://doi.org/10.3969/j.issn.1001-2222.2017.02.007

Influences of Cooling Intensity, Mating Material and Lubricant Medium on Temperature Limit of Piston Ring Groove

HAN Xiaoguang ,
DU Fengming ,
WU Di ,
JIN Mei ,
YUAN Xiaoshuai ,
HU Dingyun ,
PANG Ming ,
XU Jiujun

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（1. Key Lab of ShipMaintenance& Manufacture, Dalian Maritime University, Dalian 116026,China; 2. College of marine engineering, Dalian Maritime University, Dalian 116026,China; 3. School of Materials Science and Technology， Nanjing University of Aeronautics and Astronautics， Nanjing 210016， China；4. China North Engine Research Institute(Tianjin), Tianjin 300400, China）

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Abstract

The friction force changes of different mating materials, cooling intensities and lubricant mediums with the temperature of piston ring groove were studied through simulating the combustion process inside combustion chamber with the flame heating piston on a selfmade temperature limit apparatus of piston ring groove based on the friction force. It was found that the temperature limit of piston ring groove increased gradually with the increase of cooling intensity and the temperature limit at
the friction pair of chrome plated cylinder liner with CKS ring was higher than that at the pair of the same cylinder liner with chrome plated ring or spraying molybdenum ring. Besides, the temperature limit of piston ring groove of SAE15W/40 was also higher than that of SAE40 and SAE10W/30.

Key words： piston ring; cylinder liner; lubricant; cooling intensity; piston ring groove; temperature limit

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HAN Xiaoguang , DU Fengming , WU Di , JIN Mei , YUAN Xiaoshuai , HU Dingyun , PANG Ming , XU Jiujun . Influences of Cooling Intensity, Mating Material and Lubricant Medium on Temperature Limit of Piston Ring Groove[J]. Vehicle Engine, 2017 , 0(2) : 41 -44 . DOI: 10.3969/j.issn.1001-2222.2017.02.007

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