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BOAO Machinery


Dezhou Boao Machinery Co., Ltd.
Address:Jintian business centre,Tianqu industrial park,Decheng District,Dezhou,China 
Aaron Zhang:86-18765527669
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  • Name: TGK25 CNC deep hole skiving roller burnishing machine
  • Number: BAA003
  • Upload time: 2015-03-30
  • Views : 145

TGK Skiving roller burnishing machine is also named boring roller burnishing machine. With European advanced boring and rolling composite processing technology, it can complete the function of boring and rolling just by moving back and forth. The processing accuracy can reach the level of IT8 and the surface roughness can reach Ra0.05-0.2μm. It is mainly used to finishing the inner hole of hydraulic cylinder. Compared with the traditional honing machine, it has the advantage of lower noise and pollution-free and can also greatly reduce the labor cost, and it has a higher processing efficiency. It can save machining time up to 80%-90% compared to the old separate process of boring-rolling or boring-honing.

Equipment type: 3m, 6m, 9m, 12m (the processing length)

Processing capacity:

-Completing rough boring, half-fine boring, fine boring and rolling by a one-off machining which greatly improves the productivity and more than 10 times conventional honing method。

-Achieving a mirror finish of the cylinder。(Ra=0。03μm-0.2μm)

-Efficiency being 5-8 times higher than ordinary deep hole boring and honing。

It is the professional equipment for manufacturing hydraulic cylinder, and it is the technology reform in deep hole field and a breakthrough of technical problem. It once finished the work rather than 2-3 times by ordinary deep hole machine. It combines rough boring and fine boring together, achieving one-off cutting by push boring and roller burnishing at the time of retracting the cutting tool. Rolling process makes the roughness reach Ra0.4, so it can be a replacement of ordinary deep hole boring and honing. Deep hole rolling technology is not a cutting process. By deformation achieving the required roughness of the workpiece, the rolling process has the following advantages:

1。 To improve the surface finish, roughness can reach Ra≤0。08µ.                                   

2. To correct the roundness: The oval roundness can reach ≤0。01mm, concentricity≤0.06mm/M.                 

3. To improve the surface hardness and eliminate the stress deformation, increased hardness is up to HV≥4°.        

4. There is residual stress layer after machining, the fatigue strength is increased by 30%.


Technical data


Boring diameter range


Boring depth range


Guideway span width


Spindle center height


spindle rotation speed range, steps

120~1000r/min(4 gear shift, stepless

Main motor

60kW(variable frequency

Feed speed range

5-3000mm/min (stepless

Feed carriage fast moving speed


Workpiece clamping diameter range


Feed motor


Cooling pump motor

N=5.5Kw( 3 groups)

Hydraulic pump motor


Cooling system rated pressure


Cooling system flow


Air pressure


CNC system


The flowing picture is for the processing of seamless pipe.

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