CNC Skiving And Roller Burnishing Machine For Hydraulic Cylinder Tubes

✅ CNC Deep Hole Skiving Roller Burnishing Machine Specifications

Parameter Value

Bore diameter Φ30 – Φ160 mm

Max depth 10,000 mm (10 meters / 33 ft)

Workpiece OD Φ50 – Φ200 mm

Workpiece length 3,000 – 10,000 mm

Aperture accuracy IT7 – IT9

Surface finish Ra0.05 – 0.4 μm

Machine load 3 tons

✅ Why Choose CNC Deep Hole Skiving Roller Burnishing Machine?

🏗️ High-Rigidity Construction

Box-type cast iron bed with FEA optimization

Double normalizing heat treatment – eliminates stress, ensures long-term stability

Twin rectangular quenched guideways – high wear resistance

⚙️ Powerful Performance

58 kW servo spindle motor

≥ 5,000 Nm max torque

Speed range: 11 – 1,800 r/min (two-speed stepless)

🎯 CNC Deep Hole Skiving Roller Burnishing Machine Precision Feed System

Z1 axis feed: 1 – 6,000 mm/min, ≥35 kN feed force

Dual gear shaft anti-backlash design for smooth, accurate motion

💧 CNC Deep Hole Skiving Roller Burnishing Machine Advanced Cooling System

200 – 400 L/min flow rate, 16 bar max pressure

50 μm filtration (coarse → magnetic → fine)

Optional oil cooler (YB180) and oil mist separator

✅ CNC Deep Hole Skiving Roller Burnishing MachineMachine Components

Component Function

Bed Twin rectangular quenched guideways, split design with precision rack

Headstock Cone disk clamping, chip discharge tube, motor-driven movement

Workpiece support rest Auxiliary support, vertical adjustment for different OD

Hydraulic clamping Self-centering, trapezoidal screw driven by hydraulic motor

Oil feeder Tool guidance, oil supply, support, sealing, positioning, clamping

Feed carriage Servo + planetary reducer + dual anti-backlash gears

Boring bar box 58kW spindle, DIN55027 nose, 85mm bore, independent lubrication

Boring bar support Hook-type design, absorbs shock/vibration, auto-release

Cooling system Above-ground tank, 3-stage filtration, full sensors

Hydraulic system 100 bar max pressure, for automatic tool expansion

CNC control Independent dust-proof cabinet with cooling system

✅ Tooling Options

Tool Type Configuration Chip Evacuation

Pneumatic combined tool Skive + burnish, push-bore & pull-rolling Forward through bore

Hydraulic combined tool Skive + burnish, push-boring & rolling Forward through bore

Tools below Φ38 mm supplied by user.

✅ CNC Deep Hole Skiving Roller Burnishing Machine​​​​​​​ Applications

Hydraulic cylinders – Construction, mining, agriculture equipment

Spindle bores – Machine tool spindles, precision shafts

Cylinder bores – Engine cylinders, pneumatic actuators

Cooling channels – Mold cooling, thermal management components

✅ CNC Deep Hole Skiving Roller Burnishing Machine Technical Specifications Table

Category Parameter Value

Z1 Axis (feed) Speed range 1 – 6,000 mm/min

Rapid traverse 6,000 mm/min

Max feed force ≥35 kN

Z2 Axis (oil feeder) Rapid traverse 5,000 mm/min

Clamping stroke ≥150 mm

Max clamping force ≥35 kN

Z3 Axis (headstock) Rapid traverse 5,000 mm/min

Spindle Speed range 11 – 1,800 r/min

Power 58 kW

Torque ≥5,000 Nm

Nose DIN55027 Size 8

Spindle bore 85 mm

Cooling Pump motor 7.5 kW (x2)

Pressure 16 bar

Flow 200 – 400 L/min

Filtration 50 μm

Hydraulic Max pressure 100 bar

✅ Optional Accessories

Oil mist separator

Oil cooler / chiller (YB180)

📌 Why Manufacturers Choose CNC Deep Hole Skiving Roller Burnishing Machine

Problem Solution

Slow honing cycles Single-pass skive + burnish – up to 70% faster

Hazardous sludge waste Dry chips – recyclable, no sludge

Inconsistent finish Mirror finish Ra0.05–0.4μm every time

Machine loses accuracy over time Double normalizing + FEA design – long-term stability

High tooling costs Long-lasting carbide and roller tooling

Poor chip evacuation Forward chip evacuation through bore + 400 L/min coolant

📞 Get a Quote

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