Measurement of the impact play at the gap of a split piston ring uses a setting ring, at one point of its circumference, to compress the ring until the ends are butting together to give a reference value

摘要

To measure the impact play (11) in the gap of a split piston ring (10), tensed radially outwards, it is compressed at one point of its circumference by a setting ring (3) to bring the ends (5,6) together with a reference value. The piston and setting rings are compressed together.