论文部分内容阅读
十、美国M&M公司M&M公司在美国Ohio州的Dayton市,这是一个规模不大的精密量仪公司,“工具展望”1990年第五期上已有作者介绍了这个公司的概况,这里只介绍几种产品。2025—4型齿轮测量仪于1982年在芝加哥国际机床搏览会上展出,1990年再次参展。他们认为这台仪器为公司争得了声誉。被测工件的直径最大为635mm,螺旋角为0～90°,上、下顶尖距最大为762mm。仪器有一个1220mm×1200mm的花岗岩基座,回转工作台直径为
Ten, the United States M & M M & M company in Dayton, Ohio, USA, which is a small precision measuring instrument company, “Tool Outlook” in the fifth issue of 1990, the author has introduced the company profile, this is only introduced Several products. 2025-4 gear measuring instrument was exhibited at Chicago International Machine Tool Fair in 1982 and again in 1990. They think this instrument won the reputation of the company. The maximum diameter of the workpiece under test is 635mm, the helix angle is 0 ~ 90 °, and the maximum distance between the top and bottom is 762mm. The instrument has a 1220mm × 1200mm granite base, rotary table diameter of