In the production process of the empty purple airtight round lipstick tube, how to ensure that the air tightness of each lipstick tube meets the standard?

When selecting the shell and seal materials of the empty purple airtight round lipstick tube, the R&D team will conduct in-depth market research and performance testing to ensure that the selected materials not only meet the aesthetic requirements, but also have excellent physical and chemical properties, such as wear resistance, corrosion resistance, high temperature resistance, etc., to cope with various use environments and storage conditions. For plastic shells, polymer composite materials may be used to adjust the formula and additives to improve the strength and toughness of the material while maintaining good sealing and processing performance.
Establish a strict supplier evaluation and management system, conduct regular audits of raw material suppliers, and ensure that their production processes and quality control systems meet industry standards and corporate requirements. Implement a raw material warehousing inspection system, and conduct sampling inspections on each batch of raw materials to ensure stable and reliable quality.
The mold design team will use advanced CAD/CAM technology to design the mold according to product requirements to ensure the accuracy and durability of the mold. Special sealing structures such as precise sealing grooves and sealing lips will be specially designed in the mold to achieve good sealing effects. During the mold manufacturing process, high-precision processing equipment and processes are used to ensure that the dimensional accuracy and surface finish of the mold meet the requirements.
The injection molding machine uses an advanced servo drive system, which can accurately control parameters such as injection pressure, speed and time to achieve stability and repeatability of the injection molding process. Through experiments and data analysis, the injection molding process parameters such as melt temperature, mold temperature, injection speed, etc. are continuously optimized to reduce defects and deformation during the injection molding process and improve the air tightness of the product.
The introduction of automated assembly lines, through equipment such as robots and precision manipulators, realizes automatic feeding, assembly and inspection of lipstick tubes, reducing the impact of human factors on product quality. During the assembly process, visual recognition systems and sensors are used to monitor the position and status of seals in real time to ensure assembly quality.
Advanced air tightness testing equipment, such as helium mass spectrometer leak detectors and pressure decay testers, are used to test the air tightness of finished lipstick tubes. These devices can accurately measure the pressure changes inside the product and quickly and accurately determine whether the product is leaking. During the detection process, set reasonable detection pressure and detection time to ensure the accuracy and reliability of the detection results. At the same time, the test data is recorded and analyzed to timely discover and solve potential problems.
Implement a total quality management (TQM) system, and carry out quality control throughout the entire production process, from raw material procurement, production and manufacturing to finished product inspection and other links. Establish a quality traceability system to uniquely identify and record each production batch of products so that when quality problems occur, they can be quickly traced back to the source and take corresponding corrective measures.
Establish a continuous improvement mechanism to encourage employees to put forward improvement opinions and suggestions. By holding regular quality analysis meetings and carrying out quality improvement projects, we continuously optimize production processes and quality control methods to improve the overall performance and consistency of products. Maintain close communication with customers, collect customer feedback and market demand information, so as to adjust product design and production strategies in a timely manner to meet customer expectations and needs.