1 压力表 Pressure meter	6 电气门锁 Electric door lock	11 压紧油缸 Clamp oil cylinder	16 旋臂锁紧手柄 Spin arm fastening handle	21 弹簧伸缩器 Spring flexible gauge
2 控制按钮板 Control button board	7 润滑油管 Lubricant pipe	12 工作台面板 Worktable panel	17 旋臂横臂 Spin arm horizontal arm	22 润滑软管 Lubrication hose
3 液压柜门锁 Hydraulic cabinet lock	8 立柱 Vertical column	13 润滑池 Lubrication pool	18 变速器 Speed changer
4 油位计 Oil level meter	9 旋臂座 Spin arm seat	14 角度调节器 Angle adjustor	19 轴承套 Bearing sleeve
5 底盘 Chassis	10 压紧爪 Clamp claw	15 压紧调节器 Clamp adjustor	20 旋臂拉手 Spin arm handle
YDM型外形结构YDM overall structure

性能特征Performance feature

◎适用于各类阀门的阀座，阀瓣环形平面的密封研磨。

◎采用偏心式工转自转原理和无级调速。

◎液压驱动：升降旋臂，工件自动夹紧及任意调节工件斜角度。

◎研磨作用力有弹性自动伸缩调节功能，润滑冷却液自动回转使用。

◎可达到表面粗度1.6，吻合度80%以上。

◎Suitable for various valve flap, flap ring panel seal grinding.

◎Adopt the eccentric revolution and rotation principle and stepless timing.

◎Hydraulic driving: lift spin arm, workpiece automatic clamp and arbitrary adjusting the workpiece bevel .

◎The grinding functional force has the elastic and automatic flex adjusting function, the lubricating cooling liquid can return to use automatically.

◎Reach the surface roughness 1.6, tally degree over 80% .