Pneumatic Wire Nippers & Tungsten Steel Cutting Blades

1. Product Overview: The Unsung Heroes of High-Speed Winding

In the world of fully automatic coil winding, stable wire cutting performance directly determines the overall production efficiency and finished coil quality. Poor-quality cutting tools will cause wire burrs, short circuits, broken wires and frequent equipment failures, seriously affecting the stable operation of high-speed automated production lines.

• Zero-Burr Cutting: Precision ground tungsten carbide blades deliver smooth, flat wire ends, completely eliminating burrs that cause soldering defects and coil short-circuit faults.

• Ultra-Long Service Life & High Wear Resistance: Adopt high-density tungsten steel integral welding process, withstand long-time high-frequency reciprocating cutting, far exceed ordinary high-speed steel tools in durability.

• Universal Machine Compatibility: Fully interchangeable standard size, perfectly matching Nittoku, Tanac and most mainstream CNC automatic winding machines, direct replacement without modifying equipment.

2. Air Nipper Body: Square vs. Round (Selection Guide)

Choosing the right nipper body is critical for stable automatic machine integration. We provide two professional structural series to adapt different winding station layouts.

Type A: Square Body Air Nippers (The Automation Standard)
(Model Series: C30F, C20)
The square (block) design is the industry standard for fixed-station automation.

• Rigid Mounting: Featuring pre-drilled mounting holes on three surfaces, these bodies can be bolted directly to the machine frame or slide rails, ensuring zero vibration during cutting.

• Space Efficiency: The rectangular profile allows multiple nippers to be stacked side-by-side in compact winding stations.

• High Output Power: The internal piston design maximizes air pressure conversion, delivering strong cutting force even at standard 0.5 MPa.

C20+WIS-AB

C30F+WLS-AB

C30F+WIS-A4C

Type B: Round Body Air Nippers (Compact Standard)
(Model Series: C20, C40)
The cylindrical design is a classic choice for general winding machines.

• Space-Saving Design: The smooth cylindrical body has no protruding mounting ears, allowing it to be installed in narrow spaces where square nippers might not fit.

• Easy Installation: Designed for standard round clamping fixtures. It is easy to slide in, position, and lock securely. 

• Lightweight Construction: The body is built from durable industrial metal. It is designed to be lightweight, reducing the burden on the machine's moving parts.

  
  

C30Y+WIS-A

C40+WIS-A

C40+WLS-CD

3. Blade Technology: Imported Tungsten Steel Welding

The blade is where SIPU truly differentiates itself. We do not use standard steel; we use Composite Technology.

The Material Science: Why Tungsten Steel?

     Extreme Hardness: Capable of cutting through tough materials like piano wire and thick copper wire without         chipping.

Longevity: Rated for over 1,000,000 cutting cycles (depending on wire gauge), lasting 5x longer than high-speed steel (HSS) blades.

     Blade Geometries:

       WIS Series (Straight): The standard for general copper wire.

Angle Blades (Offset): Designed to cut flush against the bobbin wall, leaving no wire protrusion (tail).

WLS Series (Long Nose): Extended reach for cutting wires inside deep or complex coil structures.



WIS-ABJ



WLS-AB



WIB-H



WIS-I

4. Technical Specifications

5. Maintenance Guide: Extend Your Tool Life

To ensure millions of trouble-free cuts, follow these maintenance tips:

1. Clean Air Supply: Moisture and dust are enemies of pneumatic tools. Always use an Air Filter Regulator (FRL) to supply clean, dry air.

2. Regular Lubrication: Add 1-2 drops of ISO VG32 pneumatic oil into the air inlet once a week to keep the piston seal lubricated.

3. Blade Care: Never use a blade designed for copper to cut steel or spring wire. This will chip the Tungsten Steel edge instantly. Match the blade to the material.

4. Daily Inspection：Check blade sharpness and body air tightness regularly, avoid air leakage affecting cutting force and production stability.

6. Frequently Asked Questions (FAQ)

Q1: How do I know when to replace the blades?
A: If you notice burrs on the cut wire end, or if the wire is being crushed instead of sliced, the blade edge is dull. For Tungsten Steel blades, we recommend replacement rather than re-sharpening to maintain precision geometry.

Q2: Are SIPU nippers compatible with Nile or Vessel models?
A: Yes. Our bodies and blades follow international standard dimensions. For example, our C30 series is a direct replacement for standard square-body nippers from major Japanese brands, offering comparable performance at a more competitive price.

Q3: Can you customize peeling blades for special wire shapes?
A: Yes. If you are stripping flat wire or rectangular wire, please send us the wire drawing and insulation specs. We can grind custom blade profiles to ensure clean stripping without conductor damage.

Q4: How long is the service life of your tungsten steel nipper blades?

A: Our precision-ground tungsten carbide blades can withstand over 1,000,000 cutting cycles under normal working conditions. The service life is about 5 times longer than ordinary HSS high-speed steel blades, and varies slightly according to wire diameter and daily working hours.

Q5: Can you provide customized air nippers according to the special machine installation space?

A: Yes. We support customized body length, mounting hole positions, blade angles, and extended nose designs. Just provide your equipment drawing or site size requirements, and we will produce matching pneumatic nippers perfectly fit your winding station.