Injection plastic parts plastic products
8 month ago
- For structural and dimensional precision, tolerances need close attention. Critical parts like screw bosses and mating surfaces must stay within ±0.05 to ±0.1 mm. Large frames can be looser, ±0.1 to ±0.3 mm. The assembly gaps should be kept at 0.05 to 0.1 mm for a snug fit.
- The wall thickness is key too. Design for uniformity between 1.5 and 3.0 mm, allowing no more than a 15% deviation. Thick spots use around 60 to 70 percent of the rib’s thickness to prevent warping and shrinking.
- Adding ribs, bosses, and fillets keeps everything sturdy. Draft angles of 1 to 3 degrees make removing molds a breeze.
- To meet safety and compliance standards, materials should resist flames per UL94 V0/V1/V2 or GB/T 2408. Flame-retardant PC, ABS, PC/ABS
Key Advantages
- Design flexibility is a big plus—complex shapes and integrated parts mean fewer assembly steps.
- Also, it’s super cost-effective with low per-unit prices and less than 5% material waste compared to other methods.
- Production is automated, guaranteeing consistent quality for large runs.
- Plus, you can customize textures, colors, and add branding through various finishing options.
Project Implementation Steps
- Provide design files, specs (dimensions, tolerances, material, quantity, finish, IP rating), and sample requirements.
- Supplier delivers DFM report, mold flow analysis, and quote (mold cost + unit price + lead time).
- Approve prototype → mold fabrication (25–45 days) → mass production → quality inspection → delivery.
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