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| Process Stage | Specific Operations | Process Highlights | Key Role |
| 1. Wax model making | Use high-precision molds to press wax blanks and assemble wax trees | Wax model accuracy ±0.05mm, smooth surface | Accurately replicate product appearance, Lay the foundation for subsequent molding |
| 2. Shell making process | Multi-layer paint (quartz sand + binder) is applied to the wax model, dried and hardened | The shell has high strength and good breathability | Form high temperature resistant casting mold, prevent deformation or steel leakage during pouring |
| 3. Dewaxing treatment | High temperature steam/hot water dissolves the wax mold to form a hollow mold | Complete dewaxing, no residue | Reserve space for filling with molten metal, ensure the cavity is clean |
| 4. Stainless steel pouring | Use high-quality stainless steel such as 304/316L, and cast after high-temperature smelting | The pouring temperature is precisely controlled and the liquid metal has good fluidity. | Make sure there are no pores or shrinkage holes inside the casting. uniform ingredients |
| Advantage Dimension | Specific Performance |
| High precision | Dimensional tolerance can reach ±0.03mm, shape tolerance ≤0.1mm/m |
| high complexity | Can cast complex structures (such as hollow, special-shaped, multi-cavity) without disassembly |
| Smooth surface | ≤Ra6.3, after special processing ≤Ra3.2 |
| High quality material | Made of 304 (food grade), 316L (corrosion-resistant grade) stainless steel, in compliance with GB/T 1220 standard |
| Stable batch size | Supports small batch trial production (≥50 pieces) and large-scale mass production (≥1000 pieces), with stable delivery time |
| Force Category | Specific Parameters |
| Material range | 304, 316L, 321 and other stainless steel materials, support customization of special alloys |
| Product size | Minimum casting weight: 0.1kg; Maximum casting weight: 50kg; Maximum size: 800mm×600mm×500mm |
| Precision control | Equipped with precision testing equipment such as coordinate measuring machines and projectors, with dimensional accuracy of ±0.03mm |
| Capacity scale | Monthly production capacity ≥50,000 pieces, can be flexibly adjusted according to order requirements |
| Delivery time guarantee | Small batch orders: 7-10 working days; Large batch orders: 15-20 working days |
| Control Link | Implementation Standards |
| Raw material testing | Material composition analysis (spectrometer detection), in line with GB/T 1220-2007 standard |
| Process testing | Real-time monitoring of wax pattern size, shell thickness, and pouring temperature |
| Finished product testing | Dimensional accuracy (three-dimensional coordinate measuring instrument), surface quality (roughness meter), internal defects (X-ray flaw detector) |
| health standards | The product passed the food contact metal material testing (GB 4806.9-2016) |
