When producing Liquid Silicone Rubber (LSR) products, customers need to provide the following key information and materials to ensure that the product meets their requirements and is produced efficiently:
1. Product design documentation
3D model files (such as STEP, IGES, STL, etc.): used for mold design and production.
2D engineering drawings: Annotate dimensions, tolerances, and critical surface requirements (such as smoothness, texture, etc.).
Product Usage Description: For medical, food grade, industrial components, etc., different uses have different requirements for material certification and processes.
2. Material requirements
Silicone type: special properties such as hardness (Shore A), color (Pantone color code), transparency, temperature/chemical resistance, etc.
Certification requirements: such as FDA (food grade), USP Class VI (medical grade), RoHS (environmental protection), etc., certification standards need to be provided.
3. Mold related
Mold life expectancy (such as mass production quantity): determines the mold steel (such as pre hardened steel, stainless steel).
The position of the parting line: affects the appearance and demolding, and needs to be negotiated with the manufacturer.
Top needle/injection method: such as dispensing, side injection, or latent injection, which affects the quality of product molding.
4. Process parameters (optional)
Curing conditions: If there are special temperature/time requirements.
Post processing requirements: such as secondary vulcanization, UV treatment, spraying, etc.
5. Order information
Quantity: Test modulus, small or large batch, affecting unit price and delivery time.
Packaging requirements: such as dust-proof, vacuum packaging, etc.
6. Other special requirements
Quality inspection standards: such as full inspection, random inspection, and critical dimension report (CPK).
Logistics and delivery: such as batch delivery, urgent demand, etc.
Common precautions
Medical/food grade products: Prior explanation is required, and materials must be certified for biocompatibility.
Complex structure: may require disassembly or adjustment of design to facilitate demolding.
Cost optimization: When the quantity is large, material substitution or mold simplification solutions can be negotiated.
Suggest early communication with the manufacturer to ensure design manufacturability (DFM) and avoid later modifications.
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