Editorial Technical Reference

Marine Hull Plate Shot Blasting Machine

This page explains how Marine Hull Plate Shot Blasting Machine is classified within Shipbuilding. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

Industrial machine for surface preparation of ship hull plates via abrasive blasting

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Marine Hull Plate Shot Blasting Machine

Definition
The Marine Hull Plate Shot Blasting Machine is a specialized industrial device used in shipbuilding to clean and prepare steel plates before assembly. It removes mill scale, rust, and contaminants from hull plates to ensure proper adhesion of coatings and prevent corrosion. The machine uses centrifugal wheels to propel abrasive media at high velocity against the plate surface. This process creates an anchor profile that improves coating durability and meets shipyard surface preparation standards. The machine is designed for plates up to 3000–6000 mm wide, with processing speeds of 1.5–4.5 m/min. Abrasive flow rate ranges from 200–600 kg/min, and motor power is 45–110 kW. The surface profile depth achieved is 30–75 μm, conforming to ISO 8503-1. Dust collection capacity is 8000–20000 m³/h. The number of blasting wheels varies from 4 to 12, depending on plate width. Abrasive particle size is 0.5–2.0 mm, per ISO 11124-3. Noise level is ≤85 dB(A) per ISO 11202. Electrical supply is 380 V / 50 Hz / 3-phase (other voltages on request), per IEC 60038. Operating temperature range is 0–45 °C. Machine weight is 15–40 t, and overall dimensions (L×W×H) are typically 12000×4000×5000 mm for a 3 m width machine. The machine is constructed with high-carbon steel, abrasion-resistant steel plate, and hardened steel components. All values are reference ranges; verify model-specific specifications with the legal manufacturer or supplier.
Working Principle
Centrifugal wheels accelerate abrasive media (steel shot or grit) to high velocity. The media impacts the plate surface, removing contaminants and creating a uniform anchor profile. The machine's wheels are arranged to cover the full plate width, and the plate is conveyed through the blasting chamber at a controlled speed. The abrasive is recovered, cleaned, and recycled. Dust and fines are extracted by an integrated dust collection system. The process parameters, such as wheel speed, abrasive flow, and conveyor speed, are adjustable to achieve the desired surface cleanliness and profile depth.
Common Materials
High-Carbon Steel, Abrasion-Resistant Steel Plate, Hardened Steel Components
Technical Parameters
ParameterTypical rangeNotes & selection driver
Maximum Plate WidthRequired3000–6000 mmMaximum width of steel plate that can be processed
Processing SpeedRequired1.5–4.5 m/minSpeed at which plates move through the machine
Abrasive Flow RateRequired200–600 kg/minRate of abrasive media consumption during operation
Motor PowerRequired45–110 kWTotal installed power of all drive motors
Surface Profile Depth30–75 μmAnchor profile depth achieved on treated steelISO 8503-1
Dust Collection Capacity8000–20000 m³/hAir volume capacity of integrated dust collection system
Blasting Wheel Quantity4–12 pcsMore wheels for wider plates
Abrasive Particle Size0.5–2.0 mmAffects surface finish and cleaning rateISO 11124-3
Noise Level≤85 dB(A)Worker safety requirementISO 11202
Electrical Supply380 V / 50 Hz / 3-phaseOther voltages available on requestIEC 60038
Operating Temperature0–45 °COutside range may affect performance
Machine Weight15–40 tFoundation and transport considerations
Overall Dimensions (L×W×H)12000×4000×5000 mmTypical for 3m width machine

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Centrifugal Wheel Assembly
    Accelerates and directs abrasive media onto plate surface
    Material: High-chromium cast iron
  • Abrasive Recycling System
    Separates reusable abrasive from debris and returns it to hopper
    Material: Abrasion-resistant steel
  • Plate Conveyor System
    Transports steel plates through the blasting chamber
    Material: Hardened steel rollers
  • Dust Collector
    Removes airborne dust and particulate from the work area
    Material: Galvanized steel housing
  • Control Panel
    HMI interface for machine operation and parameter setting
    Material: Stainless steel enclosure

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Marine Hull Plate Shot Blasting Machine.

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0.6-0.8 MPa (blast pressure range)
flow rate: 15-25 m³/min (abrasive flow)
plate width: Up to 4000 mm (max conveyor width)
temperature: 5°C to 40°C (operating ambient)
plate length: Minimum 2000 mm (for continuous operation)
plate thickness: 6-50 mm (typical processing range)
slurry concentration: Not applicable (dry abrasive system)
Media Compatibility
✓ Steel grit (G25-G40) ✓ Steel shot (S330-S550) ✓ Aluminum oxide grit (16-36 mesh)
Unsuitable: High-humidity environments (>85% RH) due to abrasive clumping and corrosion risk
Sizing Data Required
  • Maximum plate dimensions (width × length × thickness)
  • Required surface preparation standard (e.g., SA 2.5, SA 3)
  • Production throughput (plates/hour or m²/hour)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Abrasive media degradation and contamination
Cause: Repeated use of steel shot/grit leads to fracturing, dust accumulation, and loss of kinetic energy, reducing cleaning efficiency and increasing wear on internal components like impellers and liners.
Wheel/impeller imbalance or bearing failure
Cause: High rotational speeds (often 2000-4000 RPM) combined with abrasive particle impacts cause uneven wear, fatigue, or contamination ingress, leading to vibration, overheating, and catastrophic mechanical breakdown.
Maintenance Indicators
  • Abnormal vibration or loud grinding noises from the blast wheel housing, indicating impeller imbalance, bearing wear, or liner failure.
  • Visible dust leakage around seals or joints, or a significant drop in cleaning rate/quality, signaling media degradation, clogged nozzles, or air pressure loss.
Engineering Tips
  • Implement strict media management: regularly sieve and replenish abrasive to maintain optimal size/hardness, and use moisture-controlled storage to prevent clumping and corrosion.
  • Schedule predictive maintenance using vibration analysis and thermal imaging on blast wheels and bearings, coupled with routine inspection/replacement of wear liners and seals to prevent unplanned downtime.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 8501-1:2007 (Surface preparation standards for steel substrates) ASTM E165/E165M-23 (Standard Practice for Liquid Penetrant Testing) CE Machinery Directive 2006/42/EC (Safety requirements for machinery)

Quoted from the published standard.

Manufacturing Precision
  • Blast nozzle alignment: +/-0.5° angular tolerance
  • Recovery system efficiency: 95% minimum abrasive recovery rate
Quality Inspection
  • Non-destructive testing (NDT) of pressure vessel components
  • Abrasive particle size distribution analysis

Manufacturers of Marine Hull Plate Shot Blasting Machine

Manufacturer profiles associated with Marine Hull Plate Shot Blasting Machine.

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Frequently Asked Questions

What is the maximum plate width this machine can handle?

The maximum plate width is 3000–6000 mm, depending on the model. Verify the exact width for your specific machine with the manufacturer.

What standards does the surface profile depth comply with?

The surface profile depth of 30–75 μm is referenced to ISO 8503-1. This standard provides methods for assessing surface profile. Always confirm compliance with the manufacturer.

What is the noise level during operation?

The noise level is ≤85 dB(A), measured according to ISO 11202. This is a worker safety requirement. Actual noise may vary with installation and operating conditions.

What electrical supply is required?

The standard electrical supply is 380 V / 50 Hz / 3-phase, per IEC 60038. Other voltages are available on request. Confirm the electrical requirements with the manufacturer.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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