MK7730 CNC Double Disc Grinder (Customizable Machine Tool)

◆ Product Introduction

MK7730 is a high-precision double disc grinder specially designed for simultaneous double-sided grinding of precision parts, suitable for mass production in industries such as bearings, automotive components and hydraulic parts. Adopting a CNC control system, this double disc grinder features a high-rigidity structure, intelligent operation and stable machining performance, which can fully meet high-precision and high-efficiency processing requirements.

◆ Customization Services for Customers

2.1 Improve Product Quality

High-precision Machining: The grinder uses a CNC system to accurately control grinding wheel movement and parameters, controlling the parallelism and flatness of workpieces within extremely tight tolerances to meet the processing needs of high-precision parts, helping customers produce high-quality products and enhance market competitiveness.

Stable Machining Quality: With a reasonable structure design and excellent rigidity, the machine is made of high-quality cast iron with advanced manufacturing technology. Equipped with well-known brand CNC systems and electrical components, it maintains stable accuracy and performance during long-term processing, ensuring each product meets high-quality standards and reducing reject rates.

2.2 Improve Production Efficiency

Simultaneous Double-sided Grinding: Greatly shortens the processing time of a single workpiece, enabling more workpieces to be processed per unit time to meet large-scale production and on-time delivery demands.

High Degree of Automation: Equipped with automatic loading and unloading devices to realize automated continuous production, reducing manual operation and auxiliary time, cutting labor costs and improving the stability and consistency of the production process.

2.3 Reduce Production Costs

Less Manual Intervention: High automation reduces reliance on skilled workers and labor costs. High machining accuracy and stability also cut material waste and reject losses from processing errors, lowering raw material costs.

Energy Saving & Environmental Protection: The advanced grinding fluid circulation and filtration system reduces grinding fluid consumption and pollution emissions, cutting procurement and disposal costs. Energy-saving motors and electrical components lower equipment energy consumption, saving electricity costs for long-term use.

2.4 Enhance Processing Flexibility

Wide Processing Adaptability: By adjusting CNC programs and grinding parameters, it adapts to workpieces of different materials and sizes. Customers can process multiple types of products with one grinder, improving equipment utilization and reducing investment costs.

Rapid Production Adjustment: It can quickly adjust processing methods by modifying programs and parameters for different orders and product specifications, without complex equipment modification or long-term debugging, helping customers flexibly respond to market changes and diverse demands.

◆ Technical Parameters

NO.	Design Item	Parameter
1	Machining Precision (Thickness Difference)	≤0.008mm
2	Max. Outer Diameter of Ground Workpiece	320mm
3	Height of Ground Workpiece	4–10mm
4	Max. Spindle Speed of Grinding Head	2000RPM
5	Rapid Moving Speed of Grinding Head	9000mm/min
6	Rotating Speed of Dual-station Fixture	5–20RPM
7	Stroke of Grinding Head	80mm
8	Diameter of Worktable	1000mm
9	CBN Grinding Wheel Diameter (Ring Width)	Φ400 (10/20)
10	Single Workpiece Grinding Time	45S
11	Motor Power of Grinding Head	15Kw
12	Total Power of Machine	<40Kw
13	Axial Movement of Grinding Head Spindle	0.002mm
14	Radial Runout of Grinding Head Spindle	≦0.002mm
15	Face Runout of Grinding Head Spindle	≦0.005mm
16	Repeated Positioning Accuracy of Spindle Movement	≦0.01mm
17	Overall Dimensions (L×W×H)	2200×1160×1993mm
18	Total Weight of Machine	6t

◆ Product Advantages

High-precision Machining

The CNC system precisely controls grinding wheel movement and parameters to achieve ultra-high dimensional accuracy and surface flatness, controlling workpiece parallelism and flatness within tight tolerances to meet the processing needs of various high-precision parts.

High-efficiency Production

Simultaneous double-sided grinding greatly improves processing efficiency and shortens production cycles. Equipped with automatic loading and unloading devices, it realizes automated continuous production to further boost efficiency.

Excellent Stability

The machine features a reasonable structure, high-quality cast iron and advanced manufacturing technology, providing high rigidity and stability to maintain consistent accuracy and performance during long-term operation. Well-known brand CNC systems and electrical components ensure equipment reliability.

Wide Processing Range

By adjusting CNC programs and grinding parameters, it adapts to workpieces of different materials and sizes, effectively grinding both metallic and non-metallic, thin and thick plate parts.

Easy Operation

With a user-friendly touchscreen interface, operators can easily input parameters, set processes and monitor machining status in real time. Automatic diagnosis and alarm functions detect and resolve issues promptly, reducing operation difficulty and labor intensity.

Environmental Protection & Energy Saving

An advanced grinding fluid circulation and filtration system reduces fluid consumption and emissions. Energy-saving motors and electrical components lower power consumption, meeting environmental and energy-saving requirements.

◆ Application Fields

5.1 Automotive Manufacturing

Processes engine cylinders, cylinder heads, crankshafts, pistons and other parts to ensure flatness, parallelism and dimensional accuracy, improving engine performance and reliability. It is also used in transmissions and hubs to enhance assembly precision and operation stability.

5.2 Aerospace

Grinds aero-engine blades, disk parts and high-precision flat structural parts to meet the high-performance, high-reliability requirements of aerospace components.

5.3 Electronic Information

Processes silicon wafers, ceramic substrates, semiconductor packaging shells and other electronic components to ensure flatness and thickness accuracy for miniaturized, high-performance electronic parts.

5.4 Home Appliance Manufacturing

Machines air conditioner compressor cylinders, pistons, refrigerator compressor parts and washing machine transmission parts to improve precision, surface quality, reduce noise and extend service life.

5.5 Precision Machinery

Grinds precision mold plates, guide rails, ball screws and linear guide rails to ensure accuracy and surface quality, enhancing the performance and stability of mechanical equipment.

5.6 Medical Devices

Processes surgical instruments, artificial joints, dental implants and other high-precision medical parts, meeting strict accuracy and surface quality requirements to improve device safety and quality.

◆ Product Functions

Name	Description
1. Grinding Head Assembly	1.1 Grinds with CBN or polyester grinding wheels; max. spindle speed 1800RPM, with automatic compensation for wheel wear.1.2 High rigidity, adjustable grinding wheel angle.1.3 Concentrated coolant outlet for effective grinding surface lubrication.1.4 Waterproof and dustproof sealing at spindle top to prevent damage.1.5 Dynamic balanced spindle and flange before delivery for stable operation.1.6 System-controlled wheel dresser for smooth dressing.
2. Fixture	2.1 12-station guide plate, servo-controlled rotation (adjustable 1–10RPM).2.2 Floating clamping for efficient grinding and easy loading/unloading.
3. Cooling System	3.1 Built-in filter with coolant temperature control and over-temperature alarm.3.2 Separated clean/dirty water tank with magnetic separator to remove grinding chips.
4. Others	4.1 Adopts Huazhong HNC-808D system (waterproof grade ≥IP54), equipped with communication port for manipulator connection.4.2 Centralized automatic lubrication, runs automatically on startup.4.3 Supports automatic loading/unloading via manipulator.
Name	Description
1. Grinding Head Assembly	1.1 Grinds with CBN or polyester grinding wheels; max. spindle speed 1800RPM, with automatic compensation for wheel wear.1.2 High rigidity, adjustable grinding wheel angle.1.3 Concentrated coolant outlet for effective grinding surface lubrication.1.4 Waterproof and dustproof sealing at spindle top to prevent damage.1.5 Dynamic balanced spindle and flange before delivery for stable operation.1.6 System-controlled wheel dresser for smooth dressing.
2. Fixture	2.1 12-station guide plate, servo-controlled rotation (adjustable 1–10RPM).2.2 Floating clamping for efficient grinding and easy loading/unloading.
3. Cooling System	3.1 Built-in filter with coolant temperature control and over-temperature alarm.3.2 Separated clean/dirty water tank with magnetic separator to remove grinding chips.
4. Others	4.1 Adopts Huazhong HNC-808D system (waterproof grade ≥IP54), equipped with communication port for manipulator connection.4.2 Centralized automatic lubrication, runs automatically on startup.4.3 Supports automatic loading/unloading via manipulator.
Name	Description
1. Grinding Head Assembly	1.1 Grinds with CBN or polyester grinding wheels; max. spindle speed 1800RPM, with automatic compensation for wheel wear.1.2 High rigidity, adjustable grinding wheel angle.1.3 Concentrated coolant outlet for effective grinding surface lubrication.1.4 Waterproof and dustproof sealing at spindle top to prevent damage.1.5 Dynamic balanced spindle and flange before delivery for stable operation.1.6 System-controlled wheel dresser for smooth dressing.
2. Fixture	2.1 12-station guide plate, servo-controlled rotation (adjustable 1–10RPM).2.2 Floating clamping for efficient grinding and easy loading/unloading.
3. Cooling System	3.1 Built-in filter with coolant temperature control and over-temperature alarm.3.2 Separated clean/dirty water tank with magnetic separator to remove grinding chips.

◆ Customer Cases

◆ Company Services

8.1 Pre-sales Service

We manufacture machine tools and provide complete cutting technology solutions, including equipment selection, process planning, tooling design and automatic processing line layout.

8.2 After-sales Service

Adhering to the customer-first principle, we provide 24-hour support for inquiries and after-sales issues. For on-site problems unsolvable by phone, we confirm the on-site service time within 24 hours.

◆ Certificate

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