前言 机床工业向着高效率、自动化方向发展,分度机构、分度工作台等的应用,有助于促进自动化的发展和提高。机床上用的分度装置是根据机床的类别、切削工具、加工材料的种类和由此确定的切削抗力及所要求的分度精度来决定的。现在市场上已有各种系列化结构。本文是介绍霍氏齿牙 Foreword Machine tool industry towards high efficiency, automation direction, indexing agencies, indexing tables and other applications, help to promote the development and improvement of automation. The indexing device used on the machine is determined by the type of machine tool, the type of cutting tool, the type of material being processed, the cutting resistance determined therefrom, and the required indexing accuracy. There are now a variety of serial structures on the market. This article is about Hog’s teeth