Agricultural machinery piston improvement

Some S1100 diesel engines consume 1.0 to 1.5 kg of oil per 8 hours of operation, and accidents often occur due to burning of oil. The reason is mainly that the piston of this diesel engine has only one oil ring, and there are only eight oil return holes (S195 diesel engine has two oil rings, and there are 24 oil return holes on the upper and lower sides, so the oil scraping effect is good. There is less chance of diesel engines experiencing such failures. The oil ring has a poor scraping effect. We have made the following improvements: Turn an arc groove under the piston's original oil ring groove, its depth is 1.5mm, its width is 4.5mm, the top margin of the groove is about 1mm from the original oil return hole, and then it is used in the arc groove. A drill with a diameter of 3.0mm drills 10 oil return holes and is spaced from the original oil return hole. This increases the number of oil return holes from 8 to 18, and the oil scraped by the oil ring can be smoothly returned to the oil. Shell, thus avoiding the above failures.

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