Used Ichikawa RCB-402 Rotary Surface Grinder Japan | Ø1100mm Table

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Product Highlight

Used Ichikawa RCB-402 is a Japanese vertical rotary surface grinding machine designed for high-precision flat grinding applications. Equipped with a large Ø1100mm rotary table, hydrostatic guideways and stable grinding structure, it provides excellent accuracy for large circular components and precision mechanical parts. The machine has been tested with 12-point measurement, achieving approximately 2μm flatness and parallelism deviation, making it suitable for demanding precision machining environments.

Product Description

Used Ichikawa RCB-402 vertical rotary surface grinding machine from Japan, featuring hydrostatic guideways, Ø1100mm table capacity and micron-level flatness control. Suitable for precision grinding of large circular components, molds and mechanical parts.

Product Specification

Used Ichikawa RCB-402 Vertical Rotary Surface Grinder Technical Data

Item	Specification
Machine Type	Used Vertical Rotary Surface Grinding Machine
Brand	Ichikawa (Ichikawa Seisakusho)
Model	RCB-402
Origin	Japan
Control Type	Manual / Variable speed control
Table Type	Rotary table
Table Diameter	Ø1100 mm
Magnetic Chuck Diameter	Ø1016 mm
Workpiece Grinding Diameter	Up to Ø600 mm (tested workpiece)
Maximum Grinding Height	Approx. 510 mm
Table Rotation Speed	10 – 40 min⁻¹
Table Guide System	Hydrostatic guideway
Grinding Wheel Size	Ø510 × 50 × Ø203.2 mm
Grinding Wheel Speed Range	700 – 1750 min⁻¹
Grinding Wheel Peripheral Speed	Approx. 1980 m/min
Grinding Head Vertical Travel	570 mm
Grinding Head Rapid Feed Speed	300 mm/min
Grinding Head Front/Back Travel	650 mm
Front/Back Feed Speed	150 – 1500 mm/min
Automatic Cutting Depth Setting	0.001 – 0.099 mm/pass
Table Accuracy Test	12-point measurement
Flatness / Parallelism Accuracy	Approx. 2 μm deviation
Electrical Supply	AC 3 Phase 200V 60Hz
Electrical Capacity	Approx. 37 kVA
Machine Height	Approx. 2880 mm
Floor Space	Approx. 3840 × 3770 mm
Machine Weight	Approx. 13,200 kg

Product Application & Industry Usage

Used Ichikawa RCB-402 rotary surface grinding machine is designed for high-precision grinding applications where flatness, parallelism and surface finish are critical.

Typical applications include:

Precision mechanical component grinding
Circular parts and ring-shaped component processing
Mold and die component finishing
Bearing and guide component grinding
Automotive precision parts manufacturing
Semiconductor and electronic equipment component processing
Medical equipment precision parts
Aerospace and high-accuracy engineering components

With its large Ø1100mm rotary table and hydrostatic guideway structure, this machine is suitable for manufacturers requiring stable grinding performance for large diameter precision workpieces.

FAQ

What size workpieces can this used rotary grinder handle?

The machine is equipped with a Ø1100mm rotary table and Ø1016mm magnetic chuck. It is suitable for large circular workpieces and precision components up to approximately Ø600mm depending on machining requirements.

What accuracy can I expect from this Ichikawa RCB-402?

According to the inspection data, 12-point measurements showed approximately 2μm variation in flatness and parallelism testing, demonstrating its capability for precision grinding applications.

Is the Ichikawa RCB-402 suitable for mold and precision parts manufacturing?

Yes. This vertical rotary surface grinder is commonly suitable for mold components, mechanical precision parts, automotive components and other applications requiring stable flatness and surface finishing.