YL Polishing — Your Overall Solution Provider for the Polishing & Grinding Industry
Aviation engine blades are among the most demanding components in modern manufacturing. With demanding surface finish requirements, tight dimensional tolerances, and critical safety standards, these parts require purpose-built equipment — not general-purpose tools repurposed for the job.
Qian Ma Technology offers two specialized machines designed specifically for the surface finishing of aviation engine blades and similar precision components: the YT-A30-H Aviation Engine Blade Special Grinder and the YL-SDJ-001 Special Sanding Belt Grinder for Engine Blades.
Together, these two machines form a complete finishing workflow — from belt sanding to high-speed polishing — delivering the surface quality that aerospace standards demand.
1. YT-A30-H Aviation Engine Blade Special Grinder
High-Speed Precision Polishing for Critical Aerospace Components
The YT-A30-H is purpose-built for one of the most demanding tasks in precision manufacturing: finishing aviation engine small blades and components that require ultra-high surface quality at exceptional rotational speeds.
Key Specifications
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Parameter
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Detail
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Power
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3KW × 2 (Dual Motors)
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Current
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6.4A × 2
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Motor Speed
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2,880 RPM
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Spindle Speed
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≥ 8,000 RPM
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Explosion-Proof Design
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Whole-Machine (整机防爆)
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Protection Class
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IP54
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Weight
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800 KG
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Dimensions
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1720 × 660 × 1100 mm
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Key Features
- Ultra-High Spindle Speed (≥8,000 RPM): Delivers the exceptional surface finish required for aerodynamic performance and fatigue resistance in engine blade applications.
- Whole-Machine Explosion-Proof Design (IP54): Built-in safety for workshop environments handling volatile materials and high-speed operations.
- Stable Cast Body: Cast main body construction provides exceptional rigidity and vibration dampening at high speeds — critical for consistent surface quality on precision blades.
- 4 Interchangeable Shaft Sleeves: One machine, multiple finishing capabilities. Quickly swap between:
- Hemp wheels (coarse throwing)
- Flap wheels
- Wire-drawing wheels (drawing wheels)
- Cloth wheels
- Nylon wheels
- Customization Available: Machine parameters can be tailored to your specific blade geometry and surface finish requirements.
Ideal For
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Aviation engine small blades and vanes
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Components requiring ultra-high-speed polishing (≥8,000 RPM)
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Any precision aerospace parts with critical surface finish specifications
2. YL-SDJ-001 Special Sanding Belt Grinder for Engine Blades
Purpose-Built Dual-Station Grinding for Engine Component Finishing
The YL-SDJ-001 is a specialized dual-station sanding belt grinder engineered exclusively for the precision grinding of engine blades and vanes. Every feature of this machine is designed with aerospace manufacturing requirements in mind.
Key Specifications
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Parameter
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Detail
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|
Total Input Power
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3KW × 2 (Dual-Station)
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Grinding Head Motor
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YE2-100L-2
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|
Motor Speed
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2,870 RPM
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Power Supply
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AC 3-Phase 4-Wire, 380V, 50Hz
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Sand Belt Size
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2540 × 20 (30/50) mm
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Sand Belt Linear Speed
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Variable Frequency, 0–40 m/min
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Idle Noise
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≥ 75 dB
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Weight
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600 KG
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Dimensions
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1620 × 1200 × 1450 mm
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Key Features
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Purpose-Built for Engine Blades: Engineered specifically for aviation engine vane and blade grinding — not a general-purpose machine adapted for aerospace, but a machine born from aerospace requirements.
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Dual-Station Design: Two independent grinding stations operate simultaneously, doubling throughput for batch blade processing.
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Variable Frequency Speed Control (0–40 m/min): Stepless speed regulation via digital control panel allows operators to precisely match sand belt speed to blade material and desired surface finish — from rough stock removal to semi-finish grinding.
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Digital Control System: Central panel with dual digital displays, color-coded operational buttons, and a dedicated emergency stop switch ensures reliable, repeatable process control.
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Integrated Dust Extraction: Built-in dust collection port and enclosed work hoods capture airborne particulates, protecting operator health and maintaining a clean, consistent grinding environment.
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Adjustable Worktables with Positioning Handles: Each station features a height-adjustable worktable for precise blade placement and consistent contact pressure across the sand belt.
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Gooseneck Work Lights: Flexible arm lamps above each station provide focused illumination for accurate surface inspection during and after the grinding process.
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Multi-Width Sand Belts: Sand belts available in 20mm, 30mm, and 50mm widths to accommodate different blade geometries and airfoil profiles.
Ideal For
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Aviation engine blades and vanes (primary application)
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Turbine blade pre-polish and semi-finish grinding
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Batch processing of precision aerospace components
A Complete Finishing Workflow for Aviation Engine Blades
Used together, these two machines deliver a complete surface finishing solution:
Step 1 — YL-SDJ-001 Sand Belt GrinderStart with the YL-SDJ-001 to remove material consistently and efficiently. Variable speed control lets operators match the sand belt feed rate to the blade's alloy and initial surface condition.
Step 2 — YT-A30-H High-Speed PolisherFinish with the YT-A30-H, switching between polishing wheels (hemp, flap, cloth, nylon) to achieve the mirror-smooth surface finish required for aerodynamic efficiency and fatigue resistance.
Why Aerospace Manufacturers Choose YL Polishing
Specialization over Generalization: These are not adapted general-purpose machines — they are purpose-built for aviation engine blade applications from the ground up.
Safety First: The YT-A30-H features whole-machine explosion-proof design (IP54), and the YL-SDJ-001 incorporates enclosed grinding chambers with dust extraction — both critical safety considerations in aerospace workshops.
Process Control: Digital displays, variable frequency drives, and adjustable worktables give operators the control needed for repeatable, traceable surface finish results.
Proven in the Field: YL grinding and polishing solutions serve manufacturers across the aerospace, automotive, medical device, and precision tooling industries.
Get in Touch
Ready to upgrade your aviation engine blade finishing capabilities? Contact Guangzhou Yi-Liang Polishing Trading Co., Ltd. today to discuss your specific production requirements.
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