Piston finger: what is, features

In the case when grinding of the ends cannot be carried out, the following changes are allowed in the above plan of operations: in operation 1 before cutting off each ring, its outer end is gripped with the purity of the surface VV6, after which the ring is cut off with a height of 0.10-0.15 mm ; Operation 2 is not performed; The test of metal for hardness is carried out at a processed end; Instead of grinding (operations 7), the ends of the ring are sawed and stuck and stuck with the required height and cleanliness of the surface processing, on which, when checking on the paint on the step-by-step plate, the stains of the paint should be distributed evenly with a density of A-5 spots per 1 cm2.