What feasibility tests will be done for the new dial switch
Publish:
2023-02-07 15:08
Source:
What feasibility tests will be done for the new dial switch
1. Weldability test
The top of the terminal is immersed in the solder pool for 1 mm, the temperature is 230 ± 5 ℃, and the time is 3 ± 0.5 seconds
careful:
(1) The welding time shall be less than 3 seconds
(2) The welding area shall be more than 80%
2. Welding resistance test
The time-division temperature of the welding furnace shall be controlled at 260 ± 5 ℃, the furnace passing time shall be 3 ± 0.5 seconds, and the thickness of the substrate shall be 1.0 mm. The time-division temperature of the manual welding shall be controlled at 320 ± 5 ℃, and the time shall be 3 ± 0.5 seconds
Requirements: It is necessary to meet the requirements of no deformation of the body and mechanical and electrical energy
3. Life test
No-load test: the operator performs no-load test for 100000 times at the frequency of 60 times per minute.
requirement:
(1) Touch resistance shall not exceed 200m Ω
(2) Others are satisfied with mechanical and electrical functions
4. Heat resistance test
Place it at 85 ± 2 ℃ for 96 hours, and then place it at normal room temperature for 1 hour
Requirements: The appearance shall be free from abnormal and meet the mechanical and electrical functions
5. Cold resistance test
Place at 40 ± 2 ℃. After 96 hours in the environment with the relative humidity of 90~96%, put the sample in the normal environment for 1 hour for inspection.
Requirements: The appearance shall be normal and meet the mechanical and electrical functions
6. Wetting test
Place at 40 ± 2 ℃. After 96 hours in the environment with the relative humidity of 90~96%, put the sample in the normal environment for 1 hour for inspection.