I. Round Hollow Bracelet Rolling Machine (Standard Model, Net Weight 8.5 kg)
Key Specifications
Net weight: 8.5 kg; manual chain drive; specialized arc-shaped rollers; compatible with round hollow gold and silver tubing.
Features
Three-roller arc die specifically designed for processing perfectly round hollow bracelets; the tubing is formed with a smooth, rounded shape and no creases. The roller spacing is adjusted via a top-mounted lead screw to accommodate hollow tubes of varying diameters. The effort-saving hand-crank drive makes it suitable for use in gold and silver jewelry stores and metalworking studios, capable of rolling straight tubes into standard, perfectly round hollow bracelets in a single operation.
Applications: Processing traditional hollow round bracelets and hollow round silver bracelets.
II. Flat Bracelet Bending Machine (Net Weight: 8.5 kg)
Key Specifications
Net weight: 8.5 kg; features a set of flat rubber-coated rollers and metal pressing wheels to cushion and prevent scratches on metal surfaces.
Features
Flat die design specifically for processing wide, flat bracelets; the bracelet surface remains flat and smooth after pressing, without scratching the surface of gold or silver jewelry; lead screw for fine-tuning pressure, suitable for wide solid and thin flat metal strips; simple operation allows beginners to quickly produce high-gloss flat bracelets.
Applications: Wide solid flat bracelets, high-gloss flat bracelets.
III. Semi-Circular Hollow Bracelet Rolling Machine (Net Weight: 8.5 kg)
Key Specifications
Net weight: 8.5 kg; features a pair of concave-convex rollers designed for semicircular hollow tubes.
Features
The mold features a semicircular groove structure that conforms to semicircular hollow gold and silver materials. After rolling, the bracelet exhibits a standard semicircular curvature with uniform wall thickness and minimal deformation. The rubber-coated driven wheel protects the jewelry’s finish, making it suitable for batch production of traditional-style semicircular hollow bracelets.
Applications: Semi-circular hollow silver bracelets, semi-circular hollow gold bracelets.
IV. Convex Bracelet Bending Machine (Net Weight: 8.5 kg)
Key Specifications
Net weight: 8.5 kg; paired rollers with a convex upper surface and concave lower surface, forming a convex arched bracelet surface.
Features
The rollers feature a built-in outward curve, producing full-bodied, outwardly curved bracelets with a raised center and tapered sides, ideal for creating vintage-style convex carved bracelets; pressure is adjustable, ensuring stable forming of both thin and thick gold and silver strips with consistent curvature.
Applications: Vintage convex carved bracelets, curved convex solid bracelets.
V. Concave Bracelet Bending Machine (Net Weight: 8.5 kg)
Key Specifications
Net weight: 8.5 kg; features a concave-top, convex-bottom die for forming concave bracelet bodies.
Features
The concave die design produces streamlined bracelets with a recessed center, ensuring a snug fit and greater comfort on the wrist; rubber-coated rollers prevent scratching of polished metal, making it ideal for creating concave matte or satin-finish jewelry.
Applications: Concave, streamlined solid bracelets; matte, close-fitting bracelets.
VI. Oval-Face Bracelet Bending Machine (Net Weight: 8.5 kg)
Key Specifications
Net weight: 8.5 kg; asymmetrical egg-shaped curved rollers create an oval, egg-shaped bracelet body.
Features
The rollers feature a goose-egg-shaped gradient curve, resulting in a bracelet with a soft, egg-shaped profile after rolling—distinct from standard circular designs and offering a unique style; the lead screw provides precise pressure control to prevent thinning of the metal material. This is specialized processing equipment for trendy egg-shaped bracelets.
Applications: Trendy oval egg-shaped bracelets and uniquely shaped, streamlined bracelets.
VII. Round Hollow Bracelet Rolling Machine (Multi-Size Model: 6/8/10/12mm, Net Weight 10.6kg)
Basic Specifications
Overall dimensions: 200×80×249 mm; net weight: 10.6 kg; chrome steel multi-groove rollers; 4 tube diameter specifications: 6/8/10/12 mm; hand-cranked large wheel drive.
Features
Three-axis multi-step grooved rollers allow a single machine to accommodate 4 mainstream hollow tube sizes without changing molds; Reinforced carbon steel body ensures stable load-bearing capacity; the large-wheel hand-crank drive requires 30% less effort than standard models; the roll wheels are hardened for wear resistance, minimizing wear and deformation during long-term batch processing.
Applications: Multi-size hollow round tube gold and silver bracelets; the top choice for factory-scale gold processing and jewelry workshops.
VIII. Universal Multi-Groove Bracelet Rolling and Forming Machine (Heavy-Duty Model, Net Weight 10.6 kg)
Basic Specifications
Net weight 10.6 kg; chrome steel/carbon steel body; large hand-crank wheel; multi-position ring-groove rollers.
Features
Heavy-duty, reinforced body for enhanced load-bearing capacity; capable of simultaneously performing both metal thinning and rolling operations; Multiple ring-grooved rollers accommodate round tubes, square wires, and half-round materials—one machine, multiple uses; spring-buffered pressure adjustment ensures even pressure, preventing deformation when processing thick materials, and supports both sheet rolling and bracelet rolling functions.
Applications: All-around processing for jewelry workshops; forming various types of gold, silver, and copper wires and tubes.
