Fixing method of upper shell and lower shell of power battery pack
A technology for fixing power battery packs and casings, which is applied to battery pack components, circuits, electrical components, etc., can solve the problems of low one-time pass rate, mixed air, and high repair costs in the manual gluing process, so as to improve the one-time The effect of passing rate, ensuring air tightness and low input cost
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[0035] 1. A method for fixing the upper and lower casings of a power battery pack, comprising the following steps:
[0036] Step 1, prepare the glue tool;
[0037] Step 2, apply primer on the upper and lower shell surfaces to be bonded;
[0038] Step 3, apply sealant on the surface to be bonded of the upper and lower shells;
[0039] Step 4, press the upper and lower shells together, and then tighten the screws;
[0040] Step 5, spread the sealant evenly;
[0041] Step 6, place and maintain the fixed battery pack, and perform an air tightness test after the sealant is cured. The temperature and humidity of the maintenance environment should be fixed, the general temperature is 21-25 degrees Celsius, and the humidity is 45-55% RH. The step 6 regulates the storage environment and curing time of the battery pack, which can ensure the sealing performance of the battery pack glue.
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