Surface grinding machine

Okamoto ACC 450 DXA

2001 Okamoto ACC-450DXA Surface Grinder | 450 x 150mm

Used 2001 Okamoto ACC-450DXA Hydraulic Surface Grinding Machine for Sale – 450 x 150mm Grinding Capacity – Automatic Grinding Cycle – Spare Grinding Wheels Included

Manufacturer: Okamoto
Model: ACC-450DXA
Machine Type: Hydraulic Surface Grinder
Year: 2001
Condition: Working Well

Includes:
Coolant Equipment
Magnetic Chuck
Cross Feed Digital Display
Vertical Digital Display
Wheel Guard
Spare Grinding Wheels

Machine Description
Used 2001 Okamoto ACC-450DXA precision surface grinder available for sale.
The Okamoto ACC-450DXA is a compact, high-quality hydraulic surface grinding machine designed for accurate flat and form grinding applications in precision engineering, toolrooms, mould and die shops and general manufacturing environments.

The machine provides an approximate 450 x 150mm grindable surface, with 530mm longitudinal table travel and 175mm cross travel, making it particularly suitable for precision grinding of small and medium-sized components.

The DXA version features an automatic grinding cycle, combining hydraulic table movement with controlled crossfeed and vertical grinding functions to provide repeatable production grinding while remaining straightforward to set and operate.

This machine is supplied with a selection of spare grinding wheels.

Main Specifications
Manufacturer: Okamoto
Model: ACC-450DXA
Year: 2001
Machine Type: Precision Hydraulic Surface Grinder / Surface Grinding Machine

Grinding Capacity
Maximum Grindable Surface: Approx. 450 x 150mm
Table Working Area: Approx. 510 x 150mm
Longitudinal Travel: Approx. 530mm
Cross Travel: Approx. 175mm
Distance from Grinding Wheel to Table: Approx. 60–510mm
Maximum Table Load: Approx. 120kg
The generous longitudinal movement relative to the 450mm grinding length allows the wheel to clear the component during the grinding cycle.

Grinding Wheel & Spindle
Grinding Wheel Diameter: Approx. 205mm
Grinding Wheel Peripheral Speed: Approx. 2,400m/min
Grinding Spindle Motor: Approx. 1.5kW
The spindle arrangement is designed for precision surface grinding where good finish, flatness and dimensional accuracy are required.

Additional Drive Motors
Hydraulic Pump Motor: Approx. 0.75kW
Crossfeed Motor: Approx. 0.75kW
Grinding Head Up/Down Motor: Approx. 0.4kW

DXA Automatic Grinding Cycle
The ACC-450DXA version is designed to provide an automatic grinding cycle, making it suitable for repetitive precision surface grinding operations.

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The DX-series design incorporates features aimed at both rough and finish grinding, including:
Automatic grinding-cycle capability
Hydraulic longitudinal table movement
Powered crossfeed
Powered vertical grinding-head movement
Coarse and fine vertical feed
Precision feed adjustment
Robust saddle-type construction
Hand-finished precision guideways
Automatic lubrication system
These features make the ACC-450DXA suitable for both one-off toolroom work and repetitive component grinding.

Approximate Machine Dimensions
Overall Length: Approx. 1,940mm
Overall Width: Approx. 1,317mm
Overall Height: Approx. 2,129mm
Machine Weight: Approx. 1,250kg