标准号:BS 978-2 Addendum No. 1-1959
中文标准名称:仪器和时钟机构装置用齿轮.第2部分:摆线齿轮.双环弧型齿轮.补充件No.1
英文标准名称:Gears for instruments and clockwork mechanisms - Cycloidal type gears - Double circular arc type gears
标准类型:J17
发布日期:1959/5/15 12:00:00
实施日期:1959/5/15 12:00:00
中国标准分类号:J17
国际标准分类号:21.200
适用范围:Basic rack tooth shape and modules from 0.150 mm to 0.700 mm inclusive. Limits of tolerance for tip diameter, pitch, tooth thickness, profile, axial and radial run-out and centre distance; cutters for pinions with from six to twelve teeth.