MQ8260A Crankshaft Grinding Machine

Model: MQ8260A

Quick Specifications

Working Area:4200×1600×1700mm
Spindle Speed:1200
Accuracy:0.005
Tool Capacity:24

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Description

The MQ8260A is a heavy-duty, high-precision crankshaft grinding machine, purpose-built for precision grinding and reconditioning of engine crankshafts, camshafts, and long shaft workpieces. It is widely used in automotive engine repair, heavy machinery maintenance, and crankshaft manufacturing workshops.
Built with a reinforced cast iron bed and dual-headstock structure for maximum rigidity and vibration suppression, it features a high-torque grinding spindle, hydraulic feed system, and manual handwheel control for accurate longitudinal and cross movement. Equipped with a work lamp and integrated cooling system, it ensures stable, high-efficiency operation for both new crankshaft production and worn crankshaft repair. Backed by CE/ISO 9001 certification, a 12-month global warranty, and full customization for voltage and grinding wheel configuration, it meets the stringent standards of global engine repair and manufacturing industries.

Technical Specifications

ParameterUnitMQ8260A Standard Value
Max. Crankshaft Lengthmm1600
Max. Crankshaft Journal Diametermm100
Max. Grinding Wheel Diametermm600
Grinding Wheel Speedr/min1200
Spindle Motor PowerkW11
Hydraulic Pump PowerkW1.5
Longitudinal Travelmm1700
Cross Travelmm200
Grinding Accuracymm±0.005
Surface RoughnessμmRa≤0.4
Standard Power Supply3 Phase 380V, 50Hz
Customizable Voltage3 Phase 220V/415V/440V, 50/60Hz
Overall Dimensions (L×W×H)mm4200×1600×1700
Net Weightkg8500

Features

  • Heavy-Duty Dual-Headstock Structure

    Reinforced cast iron bed and dual-headstock design provide exceptional rigidity, ensuring stable clamping and vibration-free operation for long crankshaft grinding.

  • High-Precision Grinding Performance

    Precision-ground guide rails and high-torque grinding spindle deliver accurate journal roundness and surface finish, restoring engine crankshaft performance to factory standards.

  • Hydraulic Feed System

    Smooth and stable hydraulic feed control ensures consistent grinding speed and pressure, reducing manual operation intensity and improving machining efficiency.

  • User-Friendly Handwheel Control

    Intuitive dual-handwheel adjustment and push-button operation enable easy parameter setting and precise grinding control, with a work lamp for clear visibility.

  • Integrated Cooling System

    High-pressure circulating cooling system efficiently cools the grinding zone and flushes away debris, preventing workpiece burn and ensuring clean, high-quality finishes.

  • Global Power Compatibility

    Standard 380V 50Hz configuration, fully customizable voltage to fit European, American, Asian and Middle Eastern power grid standards, ideal for worldwide export.

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