CNC Deep Hole Skiving Roller Burnishing Machine TGK20D for Hydraulic Cylinder Tube Machining

The TGK20D CNC Deep Hole Skiving Roller Burnishing Machine is a high-performance CNC machine designed for precision machining of deep holes in hydraulic cylinders, oil cylinders, spindle bores, cylinder liners, cooling holes, and other tubular components.

This CNC Skiving Roller Burnishing Machine integrates boring, skiving, and roller burnishing into one machining cycle, significantly improving machining efficiency while achieving excellent hole accuracy and surface finish.

It is widely used in the hydraulic cylinder industry, construction machinery, mining equipment, agricultural machinery, oil & gas, aerospace, heavy equipment, and precision mechanical manufacturing.

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Main Applications

The TGK20D Deep Hole Skiving Roller Burnishing Machine is suitable for machining:

Hydraulic cylinder tubes

Oil cylinder barrels

Cylinder liners

Spindle bores

Cooling holes

Precision deep-hole components

Heavy machinery cylinders

Engineering machinery parts

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Main Features

One-Pass Skiving & Roller Burnishing

The machine combines boring, skiving, and roller burnishing into a single operation, greatly reducing machining time while improving dimensional accuracy and surface quality.

High Machining Accuracy

Hole accuracy: IT7–IT9

Surface roughness: Ra0.05–0.4 μm

This eliminates or greatly reduces secondary finishing processes.

Excellent Structural Rigidity

All castings are manufactured from high-strength cast iron using resin sand casting technology.

Every casting undergoes:

Normalizing heat treatment after casting

Secondary stress-relief treatment after rough machining

This ensures outstanding rigidity, dimensional stability, and long-term machining accuracy.

Heavy-Duty Machine Bed

The machine bed adopts hardened rectangular guideways for excellent wear resistance and high load capacity.

The segmented bed structure is assembled using high-strength bolts and precision locating pins, ensuring excellent stability for long workpieces.

Precision Feed System

Ball screw driven boring head feed (Z1 Axis)

Servo-driven oil pressure head movement (Z2 Axis)

High positioning accuracy

Smooth feed motion

Longer tool life

Intelligent Servo Clamping

The servo clamping system features:

Automatic centering

Adjustable clamping force

Adjustable clamping speed

Reliable workpiece positioning

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Advanced Cooling & Chip Removal System

The machine adopts a high-pressure coolant circulation system.

Coolant is delivered directly to the cutting zone through the oil pressure head, effectively:

Cooling the cutting area

Lubricating the tool

Flushing chips forward through the workpiece

Improving machining stability

The coolant system includes:

Pressure monitoring

Flow monitoring

Temperature monitoring

Liquid level monitoring

Multi-stage filtration

Optional:

Oil chiller

Oil mist separator

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Reliable Spindle System

The boring head is driven by a high-power servo spindle motor.

Features include:

Precision ground transmission gears

Hardened gear surfaces

Independent lubrication system

High torque output

Long service life

Stable heavy-duty cutting performance

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Siemens CNC Control System

The machine is equipped with the Siemens 828D CNC system, providing:

User-friendly operation

High machining precision

Stable control performance

Easy programming

High production efficiency

Other CNC systems can also be configured upon request.

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Technical Specifications

Item	Specification
Hole Diameter	Φ40–200 mm
Maximum Machining Depth	4000 mm
Workpiece Length	500–4000 mm
Workpiece Diameter	Φ50–300 mm
Spindle Speed	40–1200 rpm
Spindle Motor	45 kW Servo Motor
Feed Speed	5–4000 mm/min
Rapid Feed (Z1)	5000 mm/min
Rapid Feed (Z2)	3000 mm/min
Total Machine Power	Approx. 105 kW

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Optional Equipment

Oil Mist Separator

Oil Chiller

Customized Tooling

Automatic Chip Conveyor

Customized CNC System

Special Fixtures

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Advantages

One-pass skiving and roller burnishing

High machining efficiency

Excellent surface finish

High dimensional accuracy

Heavy-duty machine structure

Stable servo control system

High-pressure coolant system

Easy operation and maintenance

Long service life

Suitable for mass production

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Industries Served

Hydraulic Cylinder Manufacturing

Construction Machinery

Mining Equipment

Agricultural Machinery

Oil & Gas Industry

Aerospace Industry

Heavy Equipment Manufacturing

Precision Mechanical Engineering

Contact: Lilian Lee
Whatsapp: +8619819312517
Email: drilling@dzguanlu.com

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