在未加工齿形前的齿轮毛坯称为齿坯。

根据齿坯形成的工艺不同，分为铸造齿坯，锻造齿坯和焊接齿坯。

有关应用

刀具的标准安装：用齿条刀具或齿轮插刀加工齿轮时，若齿轮毛坯的分度圆与齿条刀具的基准线；或与插刀的分度圆分别相切，这时毛坯和刀具的相对安装位置称刀具的标准安装。刀具标准安装加工出来的齿轮是标准齿轮。

刀具的变位安装：用齿条刀具展成齿轮时，若齿条的基准线（中线）与齿轮毛坯的分度圆（节圆）不相切，这时刀具相对毛坯的安装位置称刀具的变位安装。刀具基准线与毛坯分度圆的径向分离量mx称变位量，x称变位系数。变位安装切制成的齿轮为变位齿轮。

齿条标准安装：齿条安装一般是指，齿条刀具加工齿轮时齿条刀具相对毛坯的安装。所谓齿条标准安装即齿条刀具的中线和毛坯分度圆（节圆）相切的安装位置，否则称齿条非标准安装。齿条标准安装加工出来的齿轮是标准齿轮。非标准安装加工出来的齿轮是变位齿轮。

锻件厂家加工哪家好，就找唐山盛通锻造有限公司。

The gear blank before the unmachined tooth shape is called a tooth blank.

According to different processes of forming the tooth blank, it is divided into a cast tooth blank, a forged tooth blank and a welded tooth blank.

Related applications

Standard installation of the tool: When machining the gear with a rack tool or a gear insert, if the index circle of the gear blank is perpendicular to the reference line of the rack tool, or if it is tangent to the indexing circle of the insert, then the blank and the tool are The standard installation of the tool is called relative to the mounting position. The gears that are machined and manufactured by the standard are standard gears.

Displacement of the tool: When the rack tool is used to form a gear, if the reference line (center line) of the rack is not tangent to the index circle (node circle) of the gear blank, the mounting position of the tool relative to the blank is called the tool. Displacement installation. The radial separation amount mx of the tool reference line and the blank indexing circle is called the displacement amount, and x is called the displacement coefficient. The gear that is cut and mounted is a displacement gear.

Rack standard installation: Rack mounting generally refers to the installation of the rack tool relative to the blank when the rack tool is machining the gear. The so-called rack standard installation is the installation position of the center line of the rack tool and the blank index circle (node circle), otherwise the rack is not standard installation. The gears that are standardly mounted on the rack are standard gears. Gears that are machined in a non-standard installation are gears.