Specification Sheet for Medium-Temperature Wax Silica Sol Investment Casting (Coffee Machine Components) |
Specification Item | Detailed Parameters |
Product Category | Pour-over coffee drippers, coffee filter accessories; casting parts for home/commercial coffee equipment |
Primary Casting Material | Food-grade 304 stainless steel, produced via medium-temperature wax silica sol investment casting (lost-wax process), compliant with food-contact regulations |
Single Part Size Range | Typically fits 1–4 cup coffee filters; maximum external dimension < 180 mm |
Single Part Weight Range | 40 g – 220 g per piece |
Machining Precision | Casting dimensional accuracy up to ±0.03 mm; micron-level dimensional control on assembly interfaces for precise fit with coffee holder brackets |
Process Features | One-piece cast without welds; complex curved and thin-walled structures (minimum wall thickness ≥ 1.5 mm); mirror-polished finish with surface roughness Ra 1.6–3.2 µm, exceeding the conventional Ra 6.3 µm standard |
Accessories / Auxiliary Materials | No additional components; entirely made of single 304 stainless steel; no silicone, filter mesh, or other auxiliary parts |
Customization Options | Mass-production stock available; support for design modifications based on customer drawings; material upgrades to 316 stainless steel or duplex stainless steel available upon request |
