JP2017511864A5 - - Google Patents

Claims (10)

A method of manufacturing a carrier ring (32) formed from steel comprising:
Providing a base material plate (11);
Bending the plate (11) into a tube, wherein in this case the two sides (12) of the plate (11) are placed against each other or at least directly facing each other;
Fixing the two side surfaces (12) together in a welding process to form a tube (13);
Separating the ring-shaped tube section (14) from the tube (13);
Processing the ring-shaped tube section (14) to form a carrier ring (32), the processing comprising at least stretching the ring-shaped tube section (14) in a rolling process; In a method comprising
By melting the cutting process separates the ring-shaped pipe section (14) from said tube (13), then, but before the stretching of the ring-shaped tube sections at the rolling process (14), said ring-shaped tube sections A method of manufacturing a carrier ring (32) formed from steel, characterized in that (14) is subjected to an annealing heat treatment for recrystallization of the steel in the ring-shaped tube section (14). The method of manufacturing a carrier ring (32) according to claim 1, wherein the melt cutting process is plasma cutting or laser cutting. In the annealing heat treatment, said ring-shaped tube section (14), in the oven chamber (16), heated to a temperature in excess of 600 degrees Celsius for a period of time, maintained at a temperature in excess of 600 degrees Celsius, according to claim 1 or Method for manufacturing the carrier ring (32) according to claim 2 . A method for manufacturing a carrier ring (32) according to any one of the preceding claims, wherein the tube (13) is not subjected to an annealing heat treatment. METHOD metal crystal structure of the tube (13), having an irregularity in the formation of welding structures and / or heat affected zone, to produce any one of claims carrier ring of claims 1 to 3 (32) . Before annealing heat treatment of the ring-shaped pipe section (14), is melted in the edge melting process an edge (15) of said ring-shaped tube section (14), the carrier ring of any one of claims 1 5 A method for producing (32). The method of manufacturing a carrier ring (32) according to claim 6 , wherein the ring tube section (14) prior to the edge melting process is not annealed. Plate of the base material (11), said tube (13) and / or the ring-shaped pipe section (14) have a thickness of about 0.4 mm, the carrier ring (32) is 0.2 mm process for preparing the (wall) thickness is provided, any one of claims carrier ring of claims 1 to 7 (32) below.   The carrier ring (32) is for use as or in a drive belt (3) for a continuously variable transmission comprising two pulleys (1, 2) and a drive belt (3). A method for manufacturing a carrier ring (32) according to any one of the preceding claims. In a drive belt (3) comprising a transverse element (33) and at least one ring set (31) provided with said transverse element (33), said ring sets (31) are superimposed on one another in the radial direction; and partially, characterized in that it consists of a plurality of carrier ring produced by the method for producing any one Kouki placing the carrier ring of claim 1 9 (32) (32), the drive belt (3 ).