Manufacturing method of disk for belt-driven continuously-variable-speed drive
AssigneeSuzuki Jidosha Kogyo Kabushiki Kaisha
InventorsKatuhiko Taniguchi, Akiharu Nakajima, Osamu Kondo
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Abstract
A method for manufacturing a disk for a belt-driven continuously-variable-speed drive of the type which includes a metal belt disposed in engagement between mutually facing sheave surfaces which form a V-groove, including the steps of machining each sheave surface with a numerical control lathe to form therein a spiral groove that is centered about the center of the pulley and has a surface roughness within the range of 0.8-0.4 microns, and thereafter super finishing the sheave surfaces to produce residual stress therein.
Claims4
A method of manufacturing a disk for a belt-driven continuously-variable-speed drive which controls speed by changing the V-groove width of a pulley consisting of two said disks with opposed tapered sheave surfaces to thereby change the radius of engagement with a metallic belt to change the drive ratio, comprising the steps of:
- machining the sheave surfaces contacting the metallic belt with a numerical control lathe to form a groove therein which is generally centered about an axis of rotation of the pulley, said groove having a height within a range of 0.8-0.4 microns, and then super finishing the sheave surfaces to generate residual stress on said sheave surfaces.
Dependencies are inferred from the claim text.