Flat Surface Grinder

Rushan Shuangxing Machine Tool Manufacturing Co., Ltd. is one of the leading manufacturers and suppliers of flat surface grinder in China. With abundant experience, our factory offer high quality equipment made in China with competitive price. Welcome to contact us for customized service.

Consistent dimensional accuracy and superior surface finish are non-negotiable benchmarks for precision mechanical parts, and selecting a stable, high-performance grinding machine directly determines your workshop's production yield and product competitiveness.

Crafted specifically for plane grinding on round workpieces, the M7675B unit combines a heavy-duty rigid frame, constant-speed spindle drive and fully adjustable feed controls. It effortlessly switches between light precision finishing and heavy stock removal, catering to both small-batch prototype machining and round-the-clock mass manufacturing scenarios.

Built to minimise common production pain points including uneven parallelism, surface warping and inconsistent thickness across batches, this Flat Surface Grinder holds tight geometric tolerances even during extended continuous operation. It drastically cuts secondary rework procedures, helping precision manufacturers streamline workflows and slash overall operational costs.

Every machined part from this machine adheres to stringent industrial tolerance standards, delivering reliable repeatable accuracy for high-spec assembly applications:

• Parallelism tolerance: 0.003mm (6309/1)
• Flatness tolerance: 0.004mm (6309/1)
• Batch thickness variation: 0.01mm
• Final surface roughness: Ra 0.32μm

These ultra-tight tolerances guarantee perfectly flat, uniformly smooth workpiece surfaces, making the machine ideal for producing high-precision bearings, hydraulic fittings, automotive structural components and other mission-critical mechanical parts that demand seamless fit during assembly.

Engineered to accommodate a broad range of round workpiece specifications, this grinding machine brings exceptional flexibility to your production line:

1. Wide Workpiece Processing Range

It handles round workpieces with diameters spanning Φ30mm to Φ260mm, alongside thickness measurements from 1.5mm up to 60mm, covering the majority of standard circular precision components used across the machinery sector.

2. Standard Abrasive Wheel Configuration

Fitted with a 750×60×50mm abrasive wheel, the machine features an ample grinding contact surface. This design balances high material removal efficiency with refined surface finishing performance, eliminating frequent wheel replacements that often disrupt high-intensity production schedules.

3. Fully Adjustable Operational Controls

• A fixed spindle speed of 770 RPM delivers steady cutting force, ensuring uniform grinding results across every production run
• Main feed speed is tunable between 2 m/min and 12 m/min, allowing operators to toggle between aggressive rough grinding and meticulous fine finishing with ease
• Wheel dresser travel speed ranges from 0.5 m/min to 1.5 m/min, enabling precise abrasive wheel dressing to preserve sharp cutting edges and consistent machining accuracy over long production cycles
• The 130mm grinding head travel stroke provides ample adjustment room to fit diverse fixture setups and custom-sized workpieces

Powered by twin 22kW grinding head drive motors, the machine generates robust, steady grinding torque to counteract vibration under heavy cutting loads, safeguarding micron-level precision even during non-stop production.

Boasting overall footprint dimensions of 3500×3000×1850mm and a substantial total weight of 12,000kg, its reinforced cast base effectively dampens operational vibration - the key feature that locks in repeatable accuracy for years of continuous use. This rigid build also extends the service lifespan of core components including spindles and abrasive wheels, reducing unexpected downtime and routine maintenance expenses for your facility.

This high-precision grinding machine is widely deployed in bearing manufacturing, automotive component fabrication, hydraulic parts production, mould accessory machining and general precision engineering workshops. It excels at batch plane grinding for circular metal workpieces, helping factories boost finished product pass rates and maximise overall production throughput.

Q1: What types of workpieces is this grinding machine best suited for?

A: It is optimised for round workpieces ranging from Φ30mm to Φ260mm in diameter and 1.5mm to 60mm in thickness, commonly used for plane finishing of bearings, auto spare parts, hydraulic fittings and other precision mechanical components.

Q2: Is this unit capable of ultra-fine surface finishing?

A: Yes. The machine achieves a final surface roughness of Ra 0.32μm alongside strict flatness and parallelism tolerances, fully meeting the precision assembly requirements of premium-grade mechanical parts.

Q3: Can this machine run continuously for large-batch production?

A: The 12-ton heavy-duty frame paired with dual high-power 22kW motors delivers exceptional vibration resistance. Combined with a stable spindle system and fully adjustable feed parameters, it supports 24-hour uninterrupted mass grinding operations.

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