How to make your pleated filter cartridges pass the integrity test? Following 4 points help you!

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Author : indrofiltermachine.com
Update time : 2020-09-21 14:02:04
How to make your pleated filter cartridges pass the integrity test? Following 4 points help you!
 
The welding quality of the end cap of a filter cartridge directly affects whether the filter cartridge can pass the integrity test or not, and then affects whether the filter cartridge is qualified or not.
So how to ensure that the welded pleated filter cartridge pass the integrity test?
Here are 4 points to do this:
1. The performance of the filter cartridge end cap welding equipment affects the welding quality. The welding performance of infrared end cap welding machine is better than that of hot plate end cap welding machine. Therefore, when welding high quality folding and pleated filter cartridge, such as PES, Nylon, PTFE, PVDF, FIBERGLASS membrane pleated filter cartridge, we will advise you to use INDRO infrared end cap welding machine system.
2. The pleating quality and assembly of the pleated filter paper will also affect the welding quality and determine whether the filter cartridge can pass the integrity test or not. The filter paper pleat depth and width need to match the inner core and outer cage to ensure the assembly quality of the filter paper and the welding quality of the end caps.
We would like to share you some phenomenon of issues of filter media pleating and pleats assembly as followings:
a-To save cost, some manufacturer may reduce the pleat depth

b- Pleat width does not match the inner core and outer-cage, it is shorter or longer than inner core/outer cage.

c- Pleated filter media middle seam welding is not qualified
d- Pleated filter media edge cutting is not smooth
3. The quality of plastic parts of the inner core/outer cage and end caps will also affect the welding quality and determine whether the filter cartridge can pass the integrity test or not.
The sizes of inner core/outer cage and end cap must match each other, the inner core/outer cages must be straight, end cap edges must be smooth, so as to ensure the quality of welding and the integrity test passed.
Here are some examples of plastic parts that don’t measure up:
a- End cap edges are uneven, not smooth, burr.

b- Inner core/outer cages are not straight, or slightly deformed.

4. Whether the end cap welding operation is correct or not will also affect the welding quality and whether the filter cartridges can pass the integrity test or not.
Pleated filter cartridges with different specifications need skilled operators to debug equipment to ensure correct operation, thus ensuring high quality welding quality, so that the filter cartridge through the integrity test. Pneumatic end cap welding machine depends more on the welding workers’ skills, while servo-driven end cap welding machine can avoid the welding error caused by manual operation irregularities, making welding more accurate and better ensure welding quality, make sure the filter cartridges pass the integrity test.
 
To sum up, the pleated filter cartridges welding quality and integrity test pass rate can be improved from three aspects: the first is to use better welding system-INDRO servo driven infrared welding machine, the second is to use high-quality plastic parts (fittings), third, improve the quality of pleating and pleats assembly.