Automotive brake pads and door handles are medium and small parts with large batch sizes and high unit value. Painting requires uniform appearance, accurate masking and fast cycle time. Taizhou Yufeng Intelligent Equipment Co., Ltd. designs an automatic painting line for automotive parts suppliers, achieving efficient batch production with rotary table spray machines and special masking tooling.
Rotary table spray machine
The rotary table spray machine rotates workpieces through a rotary worktable while the gun, fixed or moving, completes surface spraying. The table speed, gun angle and spraying time are set according to the product to ensure uniform film. Multi-station rotary tables synchronize loading/unloading with spraying, shortening the cycle. The table positions accurately with high repeatability, suiting batch production.
Masking tooling design
Brake pads and door handles need masking of areas that should not be painted. Masking tooling is customized according to product shape. The tooling uses solvent-resistant materials, installs quickly and is reusable. Masking positions are accurate, reducing edge mist and over-spray. The number of tooling sets is configured according to output for turnover.
Paint and spraying parameters
The painting line selects the paint type according to product requirements and configures it by color and gloss. Paint viscosity, gun atomization pressure and spray width parameters are standardized to ensure batch consistency. During color change, the pipes and guns are cleaned and the change time is controlled. Mist is handled by the booth ventilation system, and waste gas is discharged to standard.
Curing and quality testing
After spraying, products enter the curing oven for curing, with temperature and time set according to paint requirements. After curing, appearance, film thickness, adhesion, solvent resistance and weathering tests are performed. Test data is bound to the product number for traceability. Non-conforming products are reworked, and qualified products enter packing.
Capacity and investment
The rotary table spray machine has a fast cycle. With multi-station configuration, a single machine can produce several thousand units per day. The line investment is determined by the number of spray machines, curing oven and environmental facilities. For automotive parts with stable batches, an automatic painting line clearly reduces unit cost and improves consistency.
For an automatic painting line for automotive brake pads and door handles, contact Taizhou Yufeng Intelligent Equipment Co., Ltd. for a professional evaluation and quotation.