Eyebrow tweezer production is a multi-step engineering process requiring accurate machining, precise grinding, and meticulous finishing. Understanding these steps gives buyers insight into costs and quality variations among suppliers.
1. Metal Cutting and Shaping
Raw stainless steel is:
Cut
Heated
Pressed into shape
Factories use hydraulic presses to ensure consistent alignment.
2. Grinding and Sharpening of Tips
This is the most labor-intensive step.
Grinding Process
Multiple grinding wheels
Manual refinement
Alignment checks
Microscopic inspection
A well-sharpened tip defines a professional-grade tweezer.
3. Heat Treatment
Metal is hardened to improve:
Tension
Durability
Scratch resistance
Heat treatment also prevents tip bending.
4. Surface Treatment
Options include:
Sandblasting
Polishing
Electroplating
Coating
Premium options such as titanium give longer life and smoother feel.
5. Tension Calibration
Technicians adjust:
Arm curvature
Spring resistance
Open-close gap
Proper tension ensures smooth operation.
6. Printing & Branding
Common OEM methods:
Laser engraving
UV printing
Hot stamping
7. Final Packaging and QC
Quality checks include:
Gap inspection
Rust test
Tip sharpness test
Alignment under microscope
Packaging sealing check
Conclusion
Eyebrow tweezers undergo a complex machining and polishing process. Buyers who understand these steps can negotiate more accurately and avoid quality discrepancies.