Jewelry Centrifugal Casting Machine Tin Bismuth Alloy Flower Ring Production

Cost-Effective Manual Centrifugal Casting Solution for Jewelry Manufacturing

The Jewelry Centrifugal Casting Machine is specially engineered for producing high-quality flower rings and other precision jewelry made from tin-bismuth alloy, tin alloy, zinc alloy, and other low-melting-point metals. Designed with a compact structure and user-friendly operation, this manual casting equipment delivers reliable casting performance while requiring a significantly lower investment than automatic casting systems.

It is the ideal choice for jewelry manufacturers, craft workshops, custom jewelry brands, and startup businesses seeking an affordable yet efficient metal casting solution.

Perfect for Flower Rings & Fine Jewelry Production

This manual centrifugal casting machine is ideal for manufacturing intricate jewelry with delicate patterns and fine surface details, including:

• Flower rings
• Fashion rings
• Decorative rings
• Adjustable rings
• Vintage rings
• Pendants
• Earrings
• Bracelets
• Charms
• Brooches
• Jewelry accessories
• Souvenir jewelry
• Small decorative metal crafts

Compatible with silicone and rubber moulds, the machine accurately reproduces floral textures, engraved designs, and other complex jewelry patterns with exceptional precision.

Variable Speed Control & Electromagnetic Braking

The machine is equipped with an AC frequency inverter, DC speed regulation, and an electromagnetic braking system for smooth and reliable operation. The spindle speed can be continuously adjusted from 50 to 1400 rpm, with 10 rpm increment control, allowing operators to achieve the ideal casting speed for different mould sizes and alloy materials.

Centrifugal Casting Working Principle

After molten tin-bismuth alloy or other low-melting-point alloys are poured into the mould sprue, the mould rotates at high speed to generate powerful centrifugal force. This force drives the molten metal evenly into every cavity of the silicone or rubber mould, ensuring complete filling of thin sections, detailed flower petals, engraved textures, and complex jewelry shapes.

The centrifugal casting process produces dense castings with smooth surfaces, sharp details, high dimensional accuracy, and significantly reduced porosity and shrinkage defects, making it particularly suitable for high-quality jewelry manufacturing.

Reliable Performance for Small & Medium Production

The manual centrifugal casting machine combines stable performance, easy operation, low maintenance, and excellent production efficiency. It is an ideal solution for jewelry prototyping, customized orders, and small to medium-volume manufacturing.

With its high cost-performance ratio and dependable casting quality, this equipment helps manufacturers reduce production costs while maintaining excellent product consistency.

Key Features

• Designed for flower rings and precision jewelry casting
• Suitable for tin-bismuth alloy, tin alloy, zinc alloy, and lead alloy
• Manual centrifugal casting with reliable performance
• AC frequency inverter with adjustable speed (50–1400 rpm)
• Electromagnetic braking system for safe operation
• Excellent mould filling and fine detail reproduction
• Compatible with silicone and rubber moulds
• Compact structure and easy maintenance
• Ideal for jewelry workshops, startups, and custom jewelry production