When signing a mold base processing contract, the technical clauses are crucial for ensuring the product meets design requirements and production standards. Here are the key points to note in technical clauses:
- Technical Requirements and Standards
- Design Drawings and Standards: The contract should specify all design drawings, 3D models, and technical specification documents as attachments, along with applicable industry standards (e.g., GB, ISO, DME, HASCO).
- Material Specifications: Clearly define the steel grade, origin, heat treatment requirements, hardness standards (e.g., pre-hardened hardness, quenched hardness), and quality assurance documents (e.g., material certificates).
- Machining Accuracy: Specify tolerances for critical dimensions, geometric tolerances for templates (e.g., parallelism, perpendicularity, verticality of datum edges, coaxiality).
- Surface Treatment: Specify areas requiring polishing (e.g., cavity, parting surface), polish grades (e.g., SPI standards), and any special requirements (e.g., texturing, etching, coating).
- Deliverables and Acceptance Criteria
- Delivery List: Clearly list deliverables, including but not limited to the finished mold base, accessories (e.g., guide pins, guide bushes, return pins, screws), and necessary documents (e.g., final drawings, inspection reports, heat treatment reports).
- Acceptance Method and Standards: Define the acceptance location (pre-shipment or upon arrival), methods (e.g., using CMM, height gauges), and acceptance/rejection criteria. A Factory Acceptance Test (FAT) can be stipulated.
- Quality Warranty: Specify the warranty period, ensuring the mold base is free from material or workmanship defects under normal use and maintenance.
- Processing and Delivery Process
- Key Milestone Approvals: Consider stipulating that inspection reports or photos be provided for buyer confirmation at key stages (e.g., after rough machining, heat treatment, finish machining) to avoid large-scale rework later.
- Packaging and Transportation: Specify rust prevention, packaging methods (e.g., applying anti-rust oil, using VCI paper, crating requirements), and transportation responsibilities to prevent damage during transit.
- Intellectual Property and Confidentiality: Clarify ownership of intellectual property for design drawings and technical data, and require the processor to maintain confidentiality of all technical information provided by the buyer.
Recommendation: During negotiations, strive to detail and document all technical requirements as contract attachments. Clear and complete technical annexes are the most effective safeguard against future disputes. For complex or high-value mold bases, consider involving third-party inspection or stipulating stricter acceptance procedures.
