国外齿轮刀具的用材情况及其真空热处理

Status for Choosing Material for Gear Cutters and Their Vacuum Heat Treatment at Abroad

作者于1993年访问了意大利Samplensili齿轮刀具厂（文中简称SU厂）。本文根据实地考察,介绍了国外齿轮刀具的用材情况及采用真空热处理技术的最新进展。

The author visited Samplensili (SU) Italy in Nov. 1993. According to the investigation for this company,author introduced detaily the status of choosing materials for gear cutter and the new development of vacuum heat treatment process.