Advanced CNC Grinding for Multifaceted Precision Work #
The GJ-400 CNC Hybrid ID & OD Cylindrical Grinding Machine is engineered to streamline complex grinding tasks by combining both internal and external cylindrical grinding capabilities in a single, efficient process. This hybrid approach enables users to perform ID and OD grinding in one clamping, significantly reducing equipment and labor costs while boosting productivity and versatility.

Key Features #
-
Automatic Sensing Function: Monitors spindle motor current to detect contact with the workpiece, eliminating empty strokes and minimizing human error for improved efficiency.
-
Customizable Operation Panel: Ergonomically designed for intuitive user interaction, tailored to operator preferences.
-
Handwheel Control System: Allows switching to handwheel mode during program execution for precise setup adjustments.
-
FANUC-Based Pictogram Interface: Clear, ergonomic controls with built-in security and error warnings, making setup accessible even for new operators.
-
Dual Grinding Spindle: Capable of simultaneous inner/outer diameter and end face grinding in a single process. Available spindle types include:
- Belt-driven: 8,000–50,000 rpm
- Built-in motor: 8,000–120,000 rpm
-
Optional Workhead C-axis: With specialized software, enables non-circular and thread grinding.
-
66mm Through Hole Workhead Spindle (Option): Supports longer, heavier workpieces with enhanced rigidity.
-
Fine Adjustment Mechanism: Allows taper corrections within a 1μm range (total range ±20μm).
-
High-Rigidity Machine Base: Ensures optimal grinding stability.
-
Precision Linear Guides: X, Y, and Z axes equipped with high-precision linear guides for consistent accuracy.
Technical Specifications #
Type | GJ-400A | GJ-400B |
---|---|---|
Max. Workpiece Diameter | Ø 400 mm | Ø 400 mm |
Workhead Revolve Speed | 0 ~ 1,000 rpm | 0 ~ 1,000 rpm |
Spindle Plane Manual Angle Adjust | +15˚ & -2˚ | +15˚ & -2˚ |
Max Travel: X axis | 360 mm | 360 mm |
Max Travel: Y / Z axis | 340 + 240 mm | 340 + 240 mm |
ID Processing Scope | Ø 0 ~ 310 mm | Ø 0 ~ 310 mm |
OD Processing Scope | 380 mm x 100 mm | 380 mm x 100 mm |
Length Processing Scope (ID) | 250 mm | 250 mm |
Max. Workpiece Weight | 56 kg | 56 kg |
X / Y / Z Axis Travel Speed | 0 ~ 10,000 mm/min | 0 ~ 10,000 mm/min |
Axis Travel Unit | 0.001 mm | 0.001 mm |
Spindle Motor Type | 3HP 2kw 2P | AIF8 / 3,000 1.6 kw |
Wheel head A-5 Spindle Rotation Speed | 8,000 ~ 50,000 rpm | 8,000 ~ 50,000 rpm |
Power Demand | 15 kw | 15 kw |
Machine Net Weight | 4,500 kg | 4,500 kg |
Multifaceted Processing in a Single Setup #
With specialized controller software, the GJ-400 is capable of handling complex workpieces and multifaceted processing in one operation. This approach ensures high efficiency and precision, while reducing manufacturing costs.










Industry Applications #
The GJ-400 is suitable for a wide range of industries, including:
- Machine Spindle Components
- Vehicle Transmission Gears
- Mold Manufacturing
- Medical Instruments
- Aerospace Industry
Machine Dimensions #
Drawing unit: mm
For further details or to discuss your application requirements, please contact us .