Used Nagase RG500 CNC Mirror Grinding Machine Japan

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Product Highlight

Used Nagase RG500 is a Japanese CNC mirror surface grinding machine designed for ultra-precision finishing. Equipped with FANUC 0i-D CNC control, hydrostatic guideways, and hydrostatic spindle technology, it delivers stable micron-level grinding performance for mold, optical and precision component manufacturing.

Product Description

Used Nagase RG500 CNC mirror surface grinding machine from Japan, equipped with FANUC 0i-D CNC system, hydrostatic guideways and spindle, delivering sub-micron level finishing for precision mold, optical parts and high-quality surface grinding applications.

Product Specifications

Machine Information

Item	Specification
Brand	Nagase
Model	RG500
Machine Type	CNC Mirror Surface Grinding Machine
Origin	Japan
CNC System	FANUC 0i-D
Condition	Used / Second-hand machine

Grinding Capability

Item	Specification
Grinding Method	Mirror surface grinding
Flatness Accuracy	Approx. 0.5 μm
Machining Accuracy	μm-level precision
Applicable Process	Precision surface grinding, mirror finishing, mold finishing

Axis & Table Specifications

Item	Specification
Table Size	Φ500 mm electromagnetic chuck
X Axis Travel	400 mm
Y Axis Travel	250 mm
Z Axis Travel	380 mm
Left & Right Axis Guideway	Hydrostatic bearing
Vertical Axis Guideway	Hydrostatic bearing
Table Rotation Control	CNC controlled
Minimum Setting Unit (X/Y/Z)	0.1 μm
Control Resolution	0.0001 / 0.001 / 0.01 mm

Spindle & Grinding Wheel

Item	Specification
Grinding Wheel Size	Φ355 × Φ305 × T38 × Φ127 mm
Maximum Spindle Speed	1800 rpm
Spindle Drive	AC servo motor + hydrostatic bearing
Spindle Motor	11 kW, 4P

Feed System

Item	Specification
Rapid Traverse Speed	1000 mm/min
Vertical Feed	350 mm
Automatic Control	Closed-loop CNC control

Motor Configuration

Component	Specification
Main Spindle Motor	11 kW FANUC
Table Drive Motor	5.5 kW
Vertical Axis Servo Motor	1.4 kW FANUC α4/4000
Spindle Auxiliary Motor	0.75 kW FANUC α2/5000
Pump Motors	1.2 kW - 2.2 kW
Heater Motors	1.2 kW - 2.2 kW
Coolant Pump	1.875 kW
Magnetic Separator	25 kg

CNC System

Item	Specification
Controller	FANUC 0i-D
CNC Axes	2-axis CNC control
Operation Panel	LCD + MDI
PMC	Built-in
Tool Compensation Groups	32 groups
Program Storage	125 programs
Custom Macro	Supported
Program Storage Capacity	320 m (paper tape equivalent)
Interface	RS-232C

Additional Equipment

Bag-type filtration system
Circulation pump
Liquid filtration pump
Suction system
Dressing motor

Application & Industry

Used Nagase RG500 CNC mirror surface grinding machine is designed for manufacturers requiring extremely high surface accuracy and finishing quality.

Typical applications include:

Precision mold manufacturing
Optical mold components
Semiconductor-related precision parts
High-precision mechanical components
Injection mold finishing
Die and tool manufacturing
Mirror surface processing
Ultra-precision surface grinding operations

This machine is especially suitable for companies looking for Japanese precision grinding technology with reduced investment cost compared with purchasing a new CNC mirror grinder.

FAQ

What type of workpieces can be processed by this machine?

The RG500 is suitable for precision molds, optical components, dies, and parts requiring mirror finishing and micron-level surface accuracy.

What CNC controller does the Nagase RG500 use?

This machine is equipped with a FANUC 0i-D CNC system, providing reliable control for precision grinding operations.

What accuracy can this CNC surface grinder achieve?

According to available machine specifications and inspection records, the machine can achieve approximately 0.5 μm flatness and μm-level machining precision.