【One‑sentence Positioning】
Pre‑weld cleaner based on organic alkali; reduces e‑beam welding defect rate; exerts no negative impact on electrode service life; minimal discoloration around weld beads; weakly‑alkaline with high human‑body safety.
【Core Tags】
Pre‑welding cleaning | Electron‑beam welding | Organic‑alkali base | Defect‑rate reduction | Electrode‑friendly | Minimal weld‑bead discoloration | Weakly‑alkaline | Powerful degreasing
I. Industry Background: How Pre‑Weld Cleaning Determines Welding Quality
Electron‑beam welding is a high‑energy‑density precision welding process widely adopted for automotive transmission gears, drive shafts, aerospace structural parts and precision electromechanical components. It is extremely sensitive to workpiece cleanliness. Contaminants such as oil stains, cutting fluids and cleaner residues on pre‑weld workpieces will thermally decompose and generate gas under vacuum conditions, triggering weld porosity, spatter and poor weld‑bead formation, directly pushing up welding defect rates.
In practical production, many manufacturers encounter a hidden quality hazard: the cleaning process itself may induce welding defects. Improper cleaner ingredients, e.g. high‑boiling organic substances or inorganic‑salt residues, leave invisible contaminants even if parts look clean visually. Once inside the e‑beam welding vacuum chamber, residues outgas and cause weld failures. Besides, some cleaners shorten electrode service life or provoke discoloration around weld beads and increase post‑processing workload.
LE‑2000 is a revolutionary cleaner developed specifically for pre‑electron‑beam‑welding cleaning. Formulated with organic alkali as main component, it delivers strong degreasing performance. Its weakly‑alkaline formula ensures high operator safety. It imposes no adverse effect on electrode service life and produces minimal discoloration around weld beads. Fundamentally solving the long‑standing problem of elevated welding defect rates caused by insufficient cleaning or improper cleaner chemistry, it stabilizes welding quality and cuts production costs.
II. Product Description
LE‑2000 is a dedicated pre‑weld cleaner dominated by organic alkali for electron‑beam welding processes to substantially improve welding quality. Pre‑weld cleaning insufficiency or inappropriate cleaner composition often leads to higher welding reject rates, which has long been a major production challenge. LE‑2000 is developed to address this pain point.
Powerful degreasing thoroughly removes machining oils, cutting fluids and other surface contaminants prior to welding. The weakly‑alkaline formula provides high human‑body safety for worry‑free operation. It does not degrade electrode service life and reduces equipment maintenance costs. Minimal discoloration occurs around weld beads to lessen post‑treatment workload. Compatible with immersion, spray and ultrasonic cleaning, it integrates into automated pre‑weld cleaning lines.
III. Technical Parameters
‑ Product Name: LE‑2000 Electron‑Beam‑Welding‑Dedicated Cleaner
‑ Product Type: Dedicated pre‑weld cleaner (organic alkali as main component)
‑ Appearance: Liquid
‑ pH (as‑received): Weakly‑alkaline (reference: 8.0‑10.0; refer to latest enterprise technical documents)
‑ Recommended Working Concentration: 3%‑10% (adjusted by contamination severity)
‑ Recommended Cleaning Temperature: Ambient to 60 °C (adjust per process requirements)
‑ Main Function: Pre‑cleaning for electron‑beam welding; improves welding quality and reduces defect rate
‑ Electrode Influence: No negative impact on electrode service life
‑ Weld‑Bead Performance: Minimal discoloration around weld beads
‑ Safety Property: Weakly‑alkaline, high safety for human body
‑ Applicable Cleaning Methods: Immersion cleaning, spray cleaning, ultrasonic cleaning
Note: Above‑listed parameters are for reference only. Official specifications shall subject to the supplier’s latest datasheet and factory inspection reports.
IV. Key Performance Indicators
‑ Degreasing Capacity: Powerful; thoroughly eliminates pre‑weld contaminants
‑ Welding Quality: Reduces electron‑beam‑welding defect rate and improves weld performance
‑ Electrode Service Life: No adverse influence
‑ Weld‑Bead Discoloration: Minimal discoloration around weld beads
‑ Safety: Weakly‑alkaline, high human‑body safety
‑ Applicable Processes: Immersion / spray / ultrasonic cleaning (three‑process compatibility)
Note: All above data is obtained under standard test conditions. Actual performance may vary depending on workpiece material, contamination severity and environmental conditions.
V. Application Scenarios
LE‑2000 is specially used for pre‑welding cleaning. Typical scenarios include:
‑ Component cleaning prior to electron‑beam welding
‑ Pre‑weld cleaning for welded parts such as transmission gears and drive shafts
‑ Pre‑weld cleaning for aerospace and precision electromechanical products for e‑beam welding
‑ Precision welding processes sensitive to welding defect rates
‑ Weld‑part cleaning with high requirements for weld‑bead appearance
‑ Pre‑weld cleaning stations within automated welding production lines
Supports immersion, spray and ultrasonic cleaning; integrable into automated welding production lines.
VI. Product Advantages
1. Lower welding defect rate
Revolutionary pre‑weld cleaner fundamentally mitigating high reject rates induced by poor cleaning or improper cleaner composition.
2. Powerful degreasing performance
Effectively removes machining oils, cutting fluids and other surface contaminants and delivers clean substrate for electron‑beam welding.
3. Electrode‑friendly
No detrimental effect on electrode service life; reduces welding‑equipment maintenance costs and improves equipment availability.
4. Superior weld‑bead appearance
Minimal discoloration surrounding weld beads; cuts grinding and other post‑processing workload and raises finished‑product yield.
5. Safe weakly‑alkaline formula
Organic‑alkali‑based weakly‑alkaline composition ensures high operator safety.
6. Welding‑adapted chemistry
Purpose‑designed formulation prevents outgassing of residues inside vacuum welding chambers and avoids weld‑joint defects.
7. Broad‑process compatibility
Supports immersion, spray and ultrasonic cleaning; seamlessly connects to automated pre‑weld cleaning lines.
8. Water‑based & eco‑friendly
Water‑dilutable, high operational safety and good environmental compliance.
