CNC Vertical Grinding Machines

The MGK28200 is an extreme-capacity, precision-controlled CNC vertical grinding machine built for the ultra-precise machining of massive circular workpieces. Featuring a 2200mm diameter rotary table, the machine supports parts up to Ø2400mm in rotational range and 500mm in grinding height, with a maximum load capacity exceeding 5 tons.

MGK Series

Regular maintenance

Spare parts supply

On-site installation service

Customized design

Key Features

● Extreme Workholding Capacity: Handles workpieces up to Ø2400mm and 5000 kg, making it ideal for wind turbine hubs, pressure vessel flanges, marine propulsion plates, and other ultra-heavy components.

● Precision Vertical Grinding Layout: Gravity-stabilized positioning and ultra-rigid structure minimize deflection and vibration, ensuring uniform accuracy across large surfaces.

● Advanced CNC Control: Supports full interpolation of X, Z, and C axes for face, OD, ID, taper, and contour grinding in a single clamping.

● High-Torque Rotary Table: Delivers smooth, servo-controlled rotation under extreme loads for flawless surface tracking.

● Heavy-Duty Grinding Wheel System: Configurable with Ø500–Ø600mm wheels, supporting aggressive stock removal and ultra-fine finishing.

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Recommended Configurations

● Dual grinding head system： Enables OD and face grinding in one setup, saving time and improving precision.

● Dynamic wheel balancing + auto dressing： Enhances stability and surface quality during continuous operation.

● Magnetic or hydraulic chucking system： Provides secure clamping for both ferrous and non-ferrous ultra-heavy parts.

● On-machine measurement system： Closed-loop probing ensures tolerance control without interrupting workflow.

● Coolant filtration + mist recovery： Improves surface finish and ensures thermal consistency.

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Application Case

● Client: Wind power equipment manufacturer (Central Europe).

● Workpiece: Ø2380mm forged steel wind flange.

● Setup: MGK28200 + dual grinding heads + hydraulic 4-jaw chuck + in-process gauging.

● Results:Flatness: Within 3.8 μm over entire face. Roundness tolerance: ≤ 2.0 μm. Surface finish: Ra ≤ 0.18 μm. Production time reduced: By 42% vs previous generation. One setup replacing multi-machine process.

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Specification		Unit	MGK28100	MGK28125	MGK28160	MGK28180	MGK28200	MGK28220
Basicparameter	Table diameter	mm	φ1000	φ1250	φ1600	φ1800	φ2000	φ2200
	Max.workpiece rotation range	mm	φ1100	φ1350	φ1700	φ1900	φ2300	φ2400
	Max.workpiece height (maximum grinding depth)	mm	500	500	500	500	550	550
	Z-axis Travel	mm	600	600	600	600	600	600
	Inner hole grinding range	mm	φ50~φ200(Hole depth≤200)				φ50~φ300 (Hole depth≤200)	φ50~φ300 (Hole depth≤200)
	Inner hole grinding range	mm	φ200~φ1000 (Hole depth≤500)	φ200~φ1250 (Hole depth≤500)	φ200~φ1600 (Hole depth≤500)	φ200˜φ1800 (Hole depth≤500)	φ300~φ2000 (Hole depth≤550)	φ300~φ2000 (Hole depth≤550)
	Outer grinding range	mm	≤φ1100	≤φ1350	≤φ1700	≤φ1900	≤φ2100	≤φ2300
	Table Loading Weight	kg	2000	2500	3000	3000	5000	5000
Worktable	Rotary accuracy (axial/radial)	mm	0.002	0.002	0.003	0.003	0.003	0.003
Worktable	Rotational speed	rpm	60	60	50	50	40	40
Verticalspindle	Rotary accuracy (axial/radial)	mm	0.002	0.002	0.002	0.002	0.002	0.002
	Variable frequency motor power	kw	15	15	15	15	22	22
	Max.speed	rpm	7000	7000	7000	7000	3000	3000

Number of grinding shaft	PCS	3	3	3	3	/	/
Horizontalspindle	Rotary accuracy (axial/radial)	mm	0.002	0.002	0.002	0.002	0.002	0.002
	Variable frequency motor power	kw	11	11	11	11	11	11

Max.speed	rpm	2500	2500	2500	2500	2000	2000
Positioning accuracy	Servo Axis Positioning Accuracy	mm	0.01	0.01	0.01	0.01	0.01	0.01
Positioning accuracy
Servo Axis repeated positioning accuracy	mm	0.006	0.006	0.006	0.006	0.006	0.006
Machining accuracy	Roundness	mm	0.002	0.002	0.003	0.003	0.003	0.003
Machining accuracy	Cylindricity	mm	0.004	0.004	0.004	0.004	0.004	0.004
Machine weight	Gross weight	kg	28000	30000	40000	45000	55000	58000
Total power		kw	70	70	100	100	110	110
Floor area	Length x width x height	mm	7×4×4	8×4×4	8×4.5×4	8×4.5×4	9×7×5	9×7×5

CK 6140S series

Frequently Asked Questions

1、I only have part drawings. Can you recommend a suitable vertical grinding machine?

Absolutely! As long as you provide the part drawings, whether for a single vertical grinding machine or a complete production line, a recommended solution can be provided in a short time. For a single machine, it usually takes about 10 minutes; for multiple machines, the full proposal can be ready in about 5 working days.

2、Can I customize a CNC vertical grinding machine based on my processing needs?

Yes. I can customize the spindle power, control system, grinding travel, automatic loading/unloading system, and more on a CNC vertical grinding machine according to the size, material, and machining requirements of my specific workpieces, achieving a perfect match with my production environment.

3、Is the quality of the vertical grinding machine guaranteed?

You can use it with confidence. The components are processed by high-precision mother machines, ensuring high machining accuracy and structural stability. Every vertical grinding machine is rigorously tested before delivery and comes with a complete quality inspection report.

4、What is the typical delivery time for a vertical grinding machine?

If I choose a standard model, it can usually be delivered quickly. In-stock models can ship as fast as within three days. If I require a customized vertical grinding machine, the delivery time is usually 30 to 45 working days.

5、What customization options are available for vertical grinding machines?

We can customize the machine structure, external dimensions, cooling and lubrication system, spindle configuration, control system, and automation modules based on actual production needs. The modular design of the vertical grinding machine also gives me more flexibility for future upgrades.

6、What types of workpieces are suitable for a vertical rotary surface grinding machine?

If you are processing large-size workpieces such as flanges, valve bodies, or ring-shaped parts, a vertical rotary surface grinding machine is especially suitable. Its rotary table structure allows me to efficiently finish precision grinding of large flat components.

7、How can I determine whether vertical grinding machine manufacturers are reliable?

We have in-house R&D capabilities, real customer cases, support for customization, and complete after-sales service as vertical grinding machine manufacturers. A stable export record and responsive service ensure long-term, reliable cooperation.

8、How do I choose the best vertical grinding machine manufacturer for my needs?

You need to evaluate from several aspects: whether the machine meets my machining requirements, whether flexible customization is supported, whether the quality is stable, and whether technical service is in place. If a manufacturer performs well in solution planning, after-sales response, and application support, they are more likely to be the ideal best vertical grinding machine manufacturer.