It is a manual cold rolling mill designed for jewelry makers and metalworkers to create flat metal sheets and imprint a semicircle pattern on sheet metal. It is hand-operated, compact, and intended for hobby, educational, and small-shop use.
It is suitable for soft and non-ferrous metals commonly used in jewelry—silver, gold (soft/gilding metal), copper, brass and aluminum. Avoid using hardened steels or extremely hard alloys unless specifically rated by the seller.
Maximum and minimum thickness depend on the roller gap and the sheet metal type. Because exact roller dimensions aren't listed here, start with thin jewelry sheet stock and make incremental reductions across multiple passes. Check the product page or contact the seller for specific max/min thickness values.
Adjustment is typically made with the machine's hand screw or pressure screw to change the roller gap. Reduce the gap in small increments and run multiple passes to reach the desired thickness rather than trying to take off too much material at once.
The semicircle pattern refers to the textured profile on the patterned roller or plate that imprints repeating semicircular motifs onto the metal sheet as it passes through the mill, producing a decorative surface suitable for jewelry components.
Yes. The product is described as easy to operate and manual, making it suitable for beginners, hobbyists, and classroom use. Beginners should practice on scrap metal to learn adjustments and technique.
Place the mill on a sturdy workbench and clamp or bolt it down if mounting holes or feet are provided. Ensure the machine is level and securely fixed to prevent movement while turning the handle.
Regularly wipe rollers and frame clean of metal dust and debris, keep adjustment screws lightly lubricated, protect exposed metal from moisture to prevent rust, and store the mill in a dry place. Periodically check bolts and fasteners for tightness.
Basic safety: keep fingers, hair and loose clothing away from rollers; do not wear loose gloves near rotating parts (use feeding tools or pliers instead); wear eye protection when working with metal; secure the machine; and do not exceed recommended materials. Follow any additional safety instructions from the seller.
Yes. The listing notes that a video outgoing-inspection and a machinery test report are provided with the item.
The listing does not specify included accessories beyond the single item. Patterned rollers or additional pattern plates may be available separately—contact the seller to inquire about spare rollers, alternate patterns or upgrade options.
Anneal the metal before rolling to reduce hardness, start with an appropriate sheet thickness, pass the sheet through the rollers with consistent pressure, and avoid overworking the metal. Clean rollers before use and test on scrap until you get consistent results.
Common remedies: anneal the metal if it’s work-hardened, adjust the roller gap to a smaller reduction per pass, ensure the sheet is flat and centered, clean and dry the rollers, and check for proper clamping or mounting. If the handle is stiff, check lubrication and for obstructions.
The machine weight is listed as 20 kg. When ordering, consider packaging weight and confirm shipping costs and import regulations with the seller or carrier.
A warranty or return policy is not specified in the product description. For warranty terms, return policies, and post-sale support, contact the seller or retailer prior to purchase.
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