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Choosing the right polishing wheel is essential for achieving the desired finish when working with gemstones and fine surfaces. Tin, copper, and cast iron wheels each offer different properties and applications.
Tin Wheel
Tin wheels are the softest option and are mainly used for final polishing to achieve a high-gloss finish.
Best for:
- final polishing of gemstones
- delicate materials
Benefits:
- ultra-smooth finish
- minimal risk of scratching
Copper Wheel
Copper wheels are a versatile solution, offering a balance between softness and cutting ability.
Best for:
- intermediate and final polishing
- jewelry work
Benefits:
- good process control
- excellent compound retention
- versatile use
Cast Iron Wheel
Cast iron wheels are the hardest option and are typically used for pre-polishing or higher material removal.
Best for:
- pre-polishing
- hard materials
Benefits:
- high efficiency
- fast material removal
- long lifespan
Summary:
- Tin → final finish
- Copper → universal use
- Cast iron → pre-polishing and fast removal