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.
Technical characters:
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
Technical parameters:
Model Item | YHHM135B | YHHM400B |
Dia. of parts | 38-135mm | 146-400mm |
Stroke of honing | 140mm | 140mm |
Frequency of honing reciprocating | 10--120times/min | 10--80(120)times/min |
Rotate speed of honing sleeve | 5--20rpm | 5---20rpm |
Height of loading rings | ≤90mm | ≤65mm |
Main motor | 4kw,720rpm | 4kw,720rpm |
Rotation motor of honing sleeve | 1.5KW,940rpm | 1.5KW,940rpm |
Motor for oil pump | 2.2kw,1400rpm | 2.2kw,1430rpm |
Total weight | 3000Kg | 3500Kg |
Overall dimensions (L×W×H) | 1430×1220×2230mm | 1600×1220×2500mm |


2.Special packing requirements available.
The R&D team has about over 50 engineers, occupied 20% of total staffs. Includes 19 SenierMechanical engineers( 4with doctor’s degree,8 with master’s degree),7 Senierelectrical engineers,5 CNC soft engineers
- The workshop and office area covers 20K Sqmeters.
- With over 270 staffs, including over 50 R&D technical engineers.
- Main products output more than 1000 sets per year.
Our R & D team establish a long - term partnership with National University of Defense Technology , Dalian University of Technology , Hunan University , Central South University , and other renowned institutions . Yuhuan is also research base for Hunan University’s doctoral student , get 5—9 patents per year .
- has got 36 related patents
- A certificate of international standard products in 2005
- has passed ISO9001 : 2000 international quality system certification, has estabished corporate product standards
Our products are widely used in automotive, IT electronic, military, and aerospace, shipbuilding, bearings,seals, household appliances, and other key areas of national economy.
Our products have been in great demand by more than twenty provinces including Taiwan all around China, and Vietnam, Portugal, Russia, Kenya, Brazil and other countries. We have obtained high prestige from our customers for the high quality products, satisfactory after-sales services and competitive price.

3. We will offer free the training for machine’s management ,operation , maintenance to user’s related people.
Please feel free to contact us,we will reply within 24h!
We want to know:
How much the laser power you need
What materials do you need to process
The Cutting size and thickness
Send Inquiry to This Supplier
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