UTR-30 Ultrasonic Reciprocating Air Grinder – 52,500 RPM Precision Lapping Tool
UTR-30 Ultrasonic Reciprocating Air Grinder – 52,500 RPM Precision Lapping Tool
The UTR-30 is a precision ultrasonic reciprocating air grinder engineered for ultra-fine internal grinding, mold polishing, and narrow-bore finishing. With a 52,500 RPM motor delivering a 0.3mm reciprocating stroke, it achieves superior surface contact and grinding efficiency where rotary tools cannot — all components machined using Japan STAR (Automatic Lathe) CNC for exceptional part accuracy.
Key Features
- Ultrasonic reciprocating motion (0.3mm stroke) for ultra-fine surface finishing and internal bore polishing
- Heat-treated spindle core prevents shrinkage during grinding, maintaining full stroke consistency
- Dual collet system: round 3mm (1/8") and square 0.5–3mm × 4–10mm for versatile tooling
- Ultra-low air consumption: 1.41 CFM (40 L/min) — energy efficient for continuous operation
- Front and rear exhaust design for comfortable grip during extended use
- Adjustable roller-type throttle valve for precise speed control
Applications
Ultra-fine internal grinding · Mold cavity polishTLS-03 Left-Right Ultrasonic Reciprocating Air Grinder – 35,000 RPM Precision Lapping Tooling · Narrow-bore finishing · Die & mold surface preparation · Precision reciprocating lapping · Metal deburring
Technical Specifications
| Specification | Value |
|---|---|
| Model | UTR-30 |
| Free Speed | 52,500 RPM |
| Reciprocating Stroke | 0.3 mm |
| Collet Size (Round) | 3mm / 1/8" |
| Collet Size (Square) | 0.5–3mm × 4–10mm |
| Body Length | 205 mm |
| Body Diameter | 30 mm |
| Net Weight (tool only) | 190 g |
| Tool + Hose Weight | 0.283 kg |
| Operating Pressure | 90 PSI (6.32 kgf/cm²) |
| Air Consumption | 1.41 CFM / 0.04 m³/min / 40 L/min |
| Air Inlet | 1/4" |
| Air Hose Length | 1,300 mm (ID: 5 mm) |
| Exhaust Direction | Front and rear exhaust |
Standard Accessories Included
- L-type hex wrench 2.5mm × 1
- Centering tool × 1
- Square collet holder × 1
OEM/ODM packaging available. Contact us for wholesale pricing and custom branding options.
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