Bottoms trasferisca manufactured by cold flanirovaniya:

Bottoms trasferisca manufactured by cold flanirovaniya: • type a, R=DB, r=0,1 DB, manufactured according to GOST R 52630-2012 diameter from 600 mm to 3200 mm. • type b, R=0.9 DB, r=0,17 DB, manufactured according to GOST R 52630-2012 diameter from 800 mm to 3200 mm. • type C (pseudoelliptic), R=0.8 DB, r=0,154 DB, manufactured according to GOST R 52630-2012 diameter from 800 mm to 3200 mm. • Bottoms are PLANO-convex, R=1.5 D, r=50 mm; • Bottoms normally-convex, R=DB, r=50 mm; • Bottoms are spherical with a diameter from 600 mm to 3200 mm. Maximum deviations of the sizes and shapes of heads according to GOST R 52630-2012: - deviation of the inner diameter in the cylindrical part of the flanged bottoms not more than +/- 3 mm (regardless of the diameter of the bottoms). - relative ovality of not more than 1%. - permitted thinning not more than 15% of the original thickness of the workpiece.