Crankshaft Grinder

Model: MQ8260

Quick Specifications

Working Area:5000 × 1800 × 1700mm
Spindle Speed:10 - 120 (Variable)rpm
Accuracy:≤ 0.005
Tool Capacity:12

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Description

The MQ8260 is a specialized high-precision crankshaft grinding machine, purpose-built for grinding the journals, pins, and fillets of engine crankshafts. It is widely used in automotive engine rebuilding, heavy machinery maintenance, and diesel engine manufacturing, delivering exceptional precision and surface finish.
Constructed with a rigid cast iron bed and precision guideways, the machine ensures stability during heavy grinding operations. Equipped with high-precision spindle assemblies, variable-speed drives, and centralized controls, it meets the demanding requirements of crankshaft machining.CE/ISO Certified, Factory Direct.

Technical Specifications

ParameterUnitMQ8260 Standard Specification
Max. Grinding Diametermm600
Max. Grinding Lengthmm1600 / 2000 (Customizable)
Max. Crankshaft Swingmm600
Wheel Size (Outer × Inner × Width)mm750 × 305 × 75
Wheel Spindle Speedrpm750 / 1000
Workpiece Spindle Speedrpm10 – 120 (Variable)
Control SystemManual with Centralized Control Panel
Surface RoughnessµmRa ≤ 0.4
Roundness Accuracymm≤ 0.005
Net Machine Weightkg6500 / 7500
Power Supply3 Phase 380V, 50Hz (Customizable)
Overall Machine Dimensions (L×W×H)mm4200 × 1800 × 1700 / 5000 × 1800 × 1700

Features

Specialized Crankshaft Grinding Performance

Designed specifically for grinding crankshaft journals, pins, and fillets, meeting the high-precision requirements of engine rebuilding and manufacturing.

Rigid & Stable Construction

Thick cast iron bed and reinforced spindle assembly eliminate deflection during heavy grinding, ensuring consistent accuracy.

High-Precision Machining

Achieves roundness accuracy ≤ 0.005mm and surface roughness Ra ≤ 0.4µm, ideal for high-performance engine crankshafts.

Versatile Applications

Suitable for automotive, diesel, and heavy machinery crankshafts, supporting both new production and engine rebuilding.

Durable & Low Maintenance

Robust construction and standardized components reduce downtime and maintenance costs, ensuring long-term reliable performance.

Global Export Ready

Fully CE-certified with customizable voltage configurations and complete export documentation, ready for international shipping.

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