Drum flange need to be rivited onto drum top using flange insertion die. Traditional two-step flange insertion process includes punching holes on drum lid in the first step, and riveting flanges onto drum lids in the second step. Major drawbacks of the two-step system include lack of efficiency and high rejection rate. One-step flange insertion die combines two steps into single punch, which brings better efficiency and less rejections.
The most common flange insertion die is two-step type, which creates holes on drum lids in the first step and curls flanges in the second step. The flanges need to be placed in correct positions in the second step.
One-step flange insertion die is the most advanced die for drum flange insertion. It creates holes and curls flanges at the same time, and there is no need to pay attention to the positions of flanges.
Both one-step and two-step flange insertion die are customizable based on different specifications of drum lids. For example, distance between the 2 inch flange and 3/4 inch flange on drum lids.
Specification | Customizable |
Material | High quality steel |
Application | Close head steel drum |
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