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精密珩磨机型号YHHM400B珩磨液采用自动分级变量加液装置。进料动作由油缸自动控制，磨液供.停由电器自动控制，可提供粗，半精，光磨三级磨料控制，且供给量可调。

精密珩磨机型号YHHM400B主要用途 Main purpose:

本机是主轴和工作台双变频的机型，适用于珩磨活塞环外径，锥面环的接触亮带和桶面环及外圆拉毛、滚花形状等特种环的加工。

It’s a double-conversion model with spindle and working table. Suitable for honing the outer diameter of piston ring , the contact bright band of taper face ring ,barrel surface ring and the special rings like cylindrical nap , knurled shape.

精密珩磨机YHHM400B技术特点 Technical characters:

1.采用优质铸件，滑枕选用高强度球黑铸件。

2.采用曲柄连杆机构带动装有珩磨轴的滑块完成机械往复运动。

3.主电机与珩磨套旋转电机采用变频器无极调速，可使珩磨轴上下珩磨运动与珩磨套旋转运动处于*匹配状态。

4.珩磨液采用自动分级变量加液装置。进料动作由油缸自动控制，磨液供.停由电器自动控制，可提供粗，半精，光磨三级磨料控制，且供给量可调。

5.采用PLC控制。

1. It adopts high quality castings  For the ram, uses the high-strength black ball castings.

2. With the mechanism of crank connecting rod to make reciprocating movement and realize honing.

3. The main motor and rotating motor of honing sleeve use Inverter for stepless speed control , which can make honing axis up and down movement and rotary motion of honing sleeve in the best matching state.

4. Honing liquid adopts the automatic classification variable dosing device . The feed action is automatic controlled by cylinder. And the grinding fluid feed and stop is automatic controled by electrical, which can provide a rough , semi- refined, and buffing grinding. The supply is adjustable.

5.Adopts PLC control

YHHM400B技术参数  Technical parameters:

	单位	YHHM400B
珩磨工件直径	mm	Φ146-Φ400
珩磨工作行程	mm	140
珩磨往复次数	次/min	10--80
珩磨套转速	r/min	5--20
装环高度	mm	≤65
主电机	rpm	4KW，720
珩磨套旋转电机	rpm	1.5KW，940rpm
油泵电机	rpm	2.2KW，1430rpm
机床外形尺寸(长×宽×高)	mm	1600×1220×2500
整机质量	Kg	3500

Model Item	YHHM400B
Dia. of parts	Ф146-Ф400mm
Stroke of honing	140mm
Frequency of honing reciprocating	10--80(120)times/min
Rotate speed of honing sleeve	5---20rpm
Height of loading rings	≤65mm
Main motor	4kw，720rpm
Rotation motor of honing sleeve	1.5KW,940rpm
Motor for oil pump	2.2kw，1430rpm
Total weight	3500Kg
Overall dimensions (L×W×H)	1600×1220×2500mm