WHY LOTION PUMPS CAN'T REBOUND AFTER PRESSING
First of all, it is necessary to check whether there is a problem with the lotion pumps spring. The effect of the spring on the piston cannot be ignored. If the spring is damaged, it will easily lead to the return stroke of the piston is not in place. slow.
Finally, let's analyze the body. In view of the scalability of the plastic, if the operation is inappropriate during injection molding, insufficient injection will cut off a thin layer of the body, resulting in uneven inner walls, and the piston is inevitably left during the stamping process Gaps, resulting in failure to discharge.
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