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High Precision Tube Inside Scarfing Inserts China Factory and Suppliers

Leading China factory and suppliers of high precision tube inside scarfing inserts. Our inner burr removal knives eliminate weld protrusions in ERW tube mills, ensuring smooth internal surfaces for automotive and fluid transport systems.

Product Details

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Product Details

Our high-precision Tube Inside Scarfing Inserts are engineered specifically for ERW Tube Mills to eliminate internal weld burrs during the high-frequency welding process. By trimming excess weld material along the inner seam in-line, these inserts ensure a smooth internal surface, which is critical for high-spec applications in automotive tubing, precision furniture, and fluid transport systems where internal flow and structural integrity are paramount.

Designed for seamless integration between the welding and sizing sections, our scarfing tools utilize a precision-guided mechanism to shave off protrusions with extreme accuracy. Available in various premium materials including carbide and HSS, these inserts provide the perfect balance of durability and cutting efficiency, reducing downtime and ensuring consistent product quality across diverse tube diameters and wall thicknesses.

Detailed Parameters

Applicable Tube Diameter	Φ16 – Φ219 mm (Custom sizes available)	Wall Thickness Range	1.0 mm – 8.0 mm
Material Options	Carbide Steel, HSS, Ceramic-coated	Offset Adjustment	±3 mm (Weld seam alignment)
Mounting System	Mechanical / Spring / Pneumatic	Cooling Methods	Air-cooled / Water-cooled / Dry-cutting
Application Field	ERW Tube Mills (Automotive, Fluid, Furniture)	Positioning	Post-Welding / Pre-Sizing
Replacement Cycle	1–3 Weeks (Depending on material/speed)	Compatibility	High-frequency Welding Lines

Key Advantages

Premium Durability

Utilizing high-grade Carbide and HSS materials to ensure long-lasting wear resistance in harsh production environments.

Rapid Changeover

Quick-change holder designs allow for insert replacement in minutes, minimizing production downtime.

High Precision

Fine-tuned offset adjustments (±3mm) ensure the knife is perfectly aligned with the weld seam.

Consistent Quality

Eliminates internal burrs effectively, preventing downstream blockages and improving tube fluid dynamics.

Versatile Application

Compatible with a wide range of tube diameters from 16mm to 219mm for various industrial needs.

Optimized Cooling

Multiple cooling options (Air/Water/Dry) to maintain tool temperature and extend blade lifespan.

Product Gallery

Management Platforms

Entry Section Support

Providing Coil Cars, Uncoilers, and Flattening Machines for a stable production start.

Finishing Line Solutions

Integrated Seam Annealing, Straightening, and Hydro Testing equipment for total quality control.

Consumable Management

Strategic supply of HSS/TCT saw blades and ID/OD burr remover inserts.

HF Welder Spares

High-quality Induction Coils, PTFE pipes, and MOSFET boards for stable welding.

Material Certification

Strict quality department ensuring raw material purity and high-precision CNC milling.

Technical Support

24-hour engineer response and life-long technical guidance for optimal machine operation.

Investment Return Comparison

Metric	Standard Inserts	Our Premium Inserts
Tool Lifespan	7-10 Days	14-21 Days
Surface Finish	Moderate/Inconsistent	High-Precision/Smooth
Replacement Time	30-60 Minutes	5-10 Minutes
Scrap Rate	Higher (due to burrs)	Near Zero (precision trim)
Maintenance Cost	Frequent/High	Low/Optimized

Frequently Asked Questions

Q: Is internal burr removal necessary for all steel tubes?

Not always. For general-purpose or light-wall tubing, it may be optional. However, it is essential for structural applications, automotive parts, or fluid transport systems to ensure flow and safety.

Q: Which material is better for scarfing inserts: HSS or Carbide?

Carbide offers superior wear resistance and longer life for high-speed production, while HSS is a cost-effective and reliable option for standard operations. Choice depends on your production volume and material hardness.

Q: How do I prevent blade breakage during the scarfing process?

Ensure the weld quality is stable and the knife is precisely aligned with the weld seam. Using seam-tracking systems for automated lines can further optimize positioning and prevent deflection.

Q: Can these inserts be used on different tube diameters?

Yes, we provide customizable inserts and knife heads matching tube diameters from Φ16 to Φ219 mm. It is recommended to use the specific matching head for the best result when changing diameters.

Q: What should I do if I notice scratches on the inner tube wall?

Immediately inspect the blade sharpness and the angle settings. Dull blades or incorrect alignment can cause surface scratching rather than clean shaving.

Q: Does the scarfing tool require external cooling?

Depending on the application and speed, we offer air-cooled, water-cooled, or dry-cutting options to manage heat and prevent premature wear of the insert.

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