Outgassing of laminated parts in high-vacuum environments

Laminated products continuously outgas and pollute the environment in high-vacuum environments such as space/vacuum coating. This problem is relatively common in lamination molding production and requires comprehensive analysis and solution from multiple aspects of material, process, and equipment.

(1) Gas removal aspect: Low molecular volatiles or adsorbed gases remaining in the resin are slowly released in vacuum, Gas retention forms internal defects, affecting the compactness of the product. (2) Material aspect: Fluctuations in raw material performance indicators or insufficient pretreatment affect molding quality. (3) Process aspect: Control deviation of key process parameters causes the '2079851475616104453 to deviate from optimal conditions. (4) Equipment aspect: Equipment precision and maintenance status affect the stable execution of process parameters.

(1) Process intensification: Perform sufficient pretreatment degassing of the product in ultra-high vacuum and high temperature, Increase the vacuum degree and ensure sufficient treatment time, and proceed to the next process only after confirming that bubbles are completely eliminated. (2) Material selection: Select a dedicated resin system with a low outgassing rating., Establish material selection evaluation criteria, and determine the optimal solution through comparative tests. (3) Process optimization: Determine the optimal process parameter window through systematic tests and establish standardized operating procedures. (4) Quality control: Strengthen process monitoring and product inspection, Establish a defect early-warning and traceability mechanism. (5) Preventive measure: Establish sound process control standards and a quality inspection system, and regularly review process data for continuous optimization.

This problem requires comprehensive analysis from multiple dimensions of material, process, equipment, and operation, and should be solved by systematically optimizing process parameters and the quality control system.