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Head 0.7mm Thick Precision Pure Tungsten Electrode

 
The Head 0.7mm thick precision pure tungsten electrode is a high-precision welding tool designed exclusively for butt welding applications. Focused on ultra-thin head thickness and strict dimensional control, this electrode is crafted from high-purity pure tungsten via advanced mechanical processing. It meets both custom drawing specifications and national standards, delivering exceptional arc stability and weld seam precision for precision manufacturing. The 0.7mm thick head balances heat concentration and structural strength, making it ideal for butt welding of small components, electronic parts, and medical devices that demand meticulous joint alignment.
 
  • Material: Pure tungsten
  • Dimensions: 20*4*0.7mm
  • Manufacturing process: Mechanical processing
  • Dimensional tolerance: Complies with the requirements of the customized drawings and national standards
  • Usage method: Butt welding
 
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Technical Parameters

Parameter

Details

Product Name

Head 0.7mm thick precision pure tungsten electrode

Material

Precision pure tungsten (≥99.98%)

Dimensions

20×4×0.7mm

Manufacturing Process

High-precision mechanical processing

Dimensional Tolerance

Compliant with custom drawings and national standards

Usage Method

Butt welding

Head Thickness Accuracy

±0.01mm

Arc Ignition Voltage

12-15V


Product Features

Ultra-Precision 0.7mm Head Thickness

  • The 0.7mm thick head is manufactured with micron-level accuracy (±0.01mm), ensuring consistent contact with butt welding joints. It delivers concentrated heat to the joint line, achieving full fusion without excessive heat diffusion.


High-Purity Pure Tungsten Material

  • Made of precision pure tungsten (≥99.98%), the electrode offers superior high-temperature resistance (up to 3400℃) and arc stability. It produces minimal smoke and spatter during welding, maintaining a clean working environment.


Advanced Mechanical Processing

  • Adopting CNC high-precision mechanical processing, the electrode’s head and body are shaped with exceptional uniformity. Its smooth surface reduces arc drift and ensures stable current flow, critical for precise butt welding.


Butt Welding Specialization

  • Tailored for butt welding, the electrode’s thin head design fits tightly between two workpieces, ensuring perfect alignment of the weld seam. It is especially effective for joining small-diameter pipes, thin plates, and precision components.


Rigorous Quality Inspection

  • Every electrode undergoes 3-stage quality checks (material purity test, dimensional measurement, arc performance test). It complies with national standards for welding electrodes, guaranteeing reliable performance in critical applications.


Applications

Electronic Component Welding

Ideal for butt welding microelectronic components such as circuit board traces, semiconductor leads, and micro-batteries. The 0.7mm thick head ensures precise welds without damaging delicate electronic structures.


Medical Device Manufacturing

Used in producing medical instruments (e.g., endoscopic tools, surgical catheters) and implantable devices. The pure tungsten material is biocompatible, and the precise welds meet the strict hygiene and safety standards of the medical industry.


Precision Instrument Assembly

Suitable for welding precision measuring tools, optical components, and sensor parts. The electrode’s dimensional accuracy ensures that weld seams do not affect the instrument’s calibration or performance.


Micro-Component Processing

Applied in manufacturing micro-machinery parts (e.g., MEMS devices, small gears) and miniature hardware. The butt welding specialization and thin head design handle the tiny joint sizes of micro-components effectively.


Projection Welding Process

Joint Preparation

  • Trim the butt joint surfaces of the workpieces to ensure flatness and cleanliness. Remove burrs or oxides to promote full fusion between the two workpieces.


Electrode Positioning

  • Mount the precision pure tungsten electrode onto the butt welding equipment. Align the 0.7mm thick head directly with the joint line, ensuring equal distance from both workpieces (recommended gap: 0.05-0.1mm).


Parameter Adjustment

  • Set the welding current (90-250A) and welding time (0.4-1.8s) based on workpiece material (e.g., stainless steel, copper, aluminum) and thickness. The pure tungsten material’s arc stability allows for precise parameter control.


Butt Welding Operation

  • Start the welding process; the electrode’s thin head delivers focused heat to the joint. Maintain stable pressure (0.2-0.5MPa) during welding to ensure tight bonding between the workpieces.


Quality Verification

  • Inspect the weld seam for straightness, uniformity, and lack of gaps. Use a magnifying glass or precision measuring tool to confirm compliance with quality standards— the electrode’s design ensures over 98% of welds pass initial inspection.


Customization Services

We provide comprehensive customization services to match specific production needs:

  • Adjust the 0.7mm head thickness (range: 0.5-1.2mm) for different butt joint requirements.

  • Customize overall dimensions (length, width) according to detailed technical drawings.

  • Modify dimensional tolerance ranges to meet ultra-precision industry standards (e.g., ±0.005mm).

  • Offer material purity customization (99.95% to 99.99% pure tungsten) for specialized high-temperature applications.

  • Support batch customization with flexible order quantities, from prototype samples to mass production.


Frequently Asked Questions (FAQ)

1. Why is head thickness precision critical for butt welding?

The 0.7mm thick head’s precision ensures uniform heat distribution along the butt joint, preventing uneven fusion or workpiece deformation— key for maintaining joint strength and dimensional accuracy.


2. Can this electrode weld dissimilar metals via butt welding?

Yes, it is suitable for butt welding dissimilar metals such as copper-steel and aluminum-stainless steel, provided the welding parameters are adjusted to match the material properties.


3. What is the difference between precision pure tungsten and standard pure tungsten?

Precision pure tungsten has higher purity (≥99.98% vs. 99.95% for standard) and tighter dimensional control, making it ideal for high-precision welding applications where consistency is critical.

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Guangzhou Yizhunxing International Trade Co., Ltd. is deeply engaged in the field of customized precision electrodes for resistance welding. Since its opening in 2006, it has been widely recognized and trusted by many industry customers at home and abroad.

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