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Cutting Attachment Factory

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About Us
NINGBO WELDMAN TECHNOLOGY CO.,LTD.

Ningbo WELDMAN Technology Co., Ltd. is a manufacturer and supplier of gas welding and cutting tools in China, with 20 years of manufacturing experience. OEM/ODM Cutting Attachment Manufacturers and Cutting Attachment Factory in China. It has two production bases, namely Ningbo Donuo Welding and Cutting Tools Co., Ltd. and Shaoxing Donuo Tools Co., LTD. It also has its own forging factory and processing and testing workshop. With its own brand "DONUO", the company also provides OEM/ODM services for globally renowned companies in this industry. Since its establishment, the company has strictly adhered to the ISO9001 standard to ensure that its products meet the international quality standards. Under the same quality requirements, we are more price-competitive. Supply Cutting Attachment Custom. We invite you to contact us for more information and to discover how we can work with you to achieve our goals.

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News
  • What Sets Oxy-Acetylene Tips Apart from Other Fuel Tips Not all cutting torch tips are interchangeable, and the distinction begins with the fuel gas. Oxygen-acetylene tips are engineered around acetylene's unique combustion characteristics: it burns hotter than any other commercially available fue...

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  • The temperature a cutting torch produces is one of the most frequently cited — and most frequently misunderstood — numbers in oxy-fuel cutting. People ask how hot a cutting torch gets, receive a number in the thousands of degrees, and assume higher is always better. The reality is more nuanced: fla...

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  • What a Welding Nozzle Does — and Why It Matters Every weld or cut starts with a flame or arc — but neither can perform reliably without a nozzle directing what surrounds it. The nozzle is the final point through which shielding gas, fuel gas, or oxygen exits the torch body and reaches the work zone...

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Industry knowledge

Cutting Attachment Materials and Their Applications

Cutting attachments are not just add-ons—they directly influence the efficiency and precision of your cutting operations. In our experience at Ningbo Donuo, using high-quality brass alloy and precision-forged components ensures consistent performance under high temperatures and repeated use. Brass provides excellent heat resistance and durability, making it the preferred choice for most industrial cutting applications.

Common Materials Used

  • Brass Alloy: Offers corrosion resistance, high thermal conductivity, and long service life.
  • Stainless Steel: Used for components that require higher structural strength, especially in heavy-duty cutting tasks.
  • Copper: Sometimes used for specific tips where precise thermal transfer is critical.
  • Aluminum: Lightweight components for portable or hand-held cutting torches.

Precision in Cutting Attachment Design

The design of a cutting attachment affects both the flame stability and the cut quality. At our factory, we emphasize precision forging and machining for all cutting gun components. Proper alignment of the torch head and oxygen/fuel channels ensures cleaner cuts and reduces metal waste.

Key Design Features

  • Interchangeable Tips: Allow different cutting sizes without replacing the entire torch.
  • Ergonomic Handles: Reduce fatigue during long cutting operations.
  • Optimized Flow Channels: Ensure even distribution of fuel and oxygen for consistent flame performance.
  • Durable Couplings: Resistant to high temperatures and repeated assembly/disassembly.

Maintenance Tips for Cutting Attachments

Even the best cutting attachments require proper maintenance to sustain their performance. From my perspective working with these tools daily, simple practices can extend the lifespan and efficiency of your attachments.

Practical Maintenance Practices

  • Regular Cleaning: Remove metal slag and debris from torch tips to prevent flame instability.
  • Check for Wear: Inspect the cutting edge and fittings for deformation or erosion.
  • Lubricate Moving Parts: Some attachments have mechanical joints that benefit from occasional lubrication.
  • Proper Storage: Keep attachments in dry, dust-free environments to prevent corrosion.

Selecting the Right Cutting Attachment for Your Task

Choosing the correct cutting attachment is crucial for efficiency and safety. Based on our production experience, factors like material thickness, type of metal, and cutting environment should guide your selection.

Comparison Table of Cutting Attachments

Attachment Type Ideal Metal Thickness Recommended Fuel Special Features
Standard Cutting Tip 5-20mm Acetylene High precision for general cutting
Heavy-Duty Tip 20-50mm Propane or Acetylene Reinforced for thick metal cuts
Fine Cutting Tip 1-5mm Acetylene Precision work for thin metals

At Ningbo Donuo, we integrate these insights into our manufacturing process, ensuring every cutting attachment is crafted for durability and performance. When you choose our products, you're not just buying tools—you’re investing in reliability and efficiency on every cut.