FIG. 08 — Large Pipe Polisher
Large Pipe Polishing Machine
Pipe Processing / Polishing

Large Pipe Polishing Machine

Industrial-grade large diameter pipe polishing equipment for large steel and stainless steel pipes. Multi-station continuous polishing achieves mirror surface finish. Ideal for petrochemical and food machinery applications.

  • Large diameter capacity, max φ300mm
  • Multi-station continuous polishing, high efficiency
  • Mirror surface finish quality
  • High automation, easy operation

Technical Specifications

Mechanical Properties

Pipe Diameter Range φ50-300mm
Length Range 500-6000mm
Belt Specification 100×3000mm
Polishing Speed 3-20m/min
Total Power 22kW

Process Parameters

Spindle Speed 1500-2800rpm
Feed Speed Adjustable
Working Pressure Hydraulic
Surface Roughness Ra0.2-0.8μm
Operation Mode Continuous Auto

Environment & Electrical

Machine Weight 3500kg
Dimensions 5000×1500×1800mm
Noise Level ≤80dB
Power Supply 380V 3-phase
Operating Temp 5-40°C

Applications

Intended for external finishing of large pipe used in petrochemical equipment, food machinery and large stainless-steel applications. It can remove oxidation and fabrication marks while improving overall surface consistency; multi-station layouts support continuous processing and a stable production rhythm.

  • Petrochemical Industry
  • Food Machinery
  • Large Stainless Steel Pipe

Customization Scope

Abrasives, station count, support rolls, feed speed and contact pressure can be selected for diameter, length, weight, material, incoming surface and target roughness. Heavy pipe also requires confirmation of loading, dust extraction, floor space and line integration.

Pipe Processing / Polishing

How the Machine Works

Heavy supports and feeding stabilize large pipe through the configured finishing stations. Workpiece weight, loading, extraction interfaces and floor space are part of the machine review.

Inputs Required for Selection

  • Incoming section, diameter or side size, wall thickness and length
  • Material grade, weld-seam position and incoming surface condition
  • Target end dimensions, formed length, finish and mating relationship
  • Tolerance, inspection method and required retained samples
  • Planned output, handling method, electrical supply and floor space

Configuration Options to Review

  • Workpiece-specific dies, positioning and support
  • Manual, semi-automatic or linked controls
  • Feeding, receiving and line integration
  • Local voltage, guarding and operator interface
  • Sample trials and parameter records for special parts

Trials and Acceptance

  • Inspect fasteners, lubrication, hydraulics, electrics and safety devices
  • Check no-load movement, control logic and emergency stops
  • Run material trials with the agreed workpiece
  • Measure critical dimensions and finish against drawings or samples
  • Confirm trial records, packing list and supplied information

Before Delivery and Installation

  • Confirm machine size, weight, unloading route and installation position
  • Prepare the specified power supply, foundation and working clearance
  • Check the main machine, dies, accessories and documents against the packing list
  • Complete safety and no-load checks before the first production trial

Maintenance Priorities

  • Check lubrication, hydraulic oil and fasteners according to the maintenance information
  • Remove debris and dust from dies, rolls or finishing zones
  • Record common settings, unusual noise, alarms and workpiece changes
  • Match machine identity, specification and photos before ordering a replacement

Frequently Asked Questions

Why is workpiece weight required?

Weight determines support, drive, loading and safety requirements, not just the pipe diameter.

How is finish consistency checked on a long pipe?

Support, feed, contact pressure and abrasive condition must remain stable, with acceptance checked by zones.

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