中国船舶燃料供应公司大连分公司的一条1千吨油轮,其主机用捷克产的4冲程6缸船用增压柴油机,型号6L350,980马力。在返航途中发现柴油机突然震动励害,停车检查,发现在六个正车喷油凸轮中,有一个凸轮的工作面上掉了一块,缺损宽30毫米、长50毫米、厚3毫米,如下图所示。 A 1,000-ton oil tankers from Dalian Branch of China Marine Fuel Supply Company, the main engine is a 4-stroke, 6-cylinder marine turbocharged diesel engine made in Czech Republic with a 6L350, 980 horsepower. Sudden return of the diesel engine found during the return shock, parking inspection and found that in the six positive injection cam, a cam on the face lost a piece of defect width 30 mm, length 50 mm, thickness 3 mm, as shown below As shown.