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Loop stamping is used to fix tufts of bristles in brush bodies. Apart from the brush bodies and head material, stamping wire is also necessary, which is fed to the machine from a roll.
The stamping wire is fed from a roll into the tool and cut off.
Whilst the circular arc pushes a tuft of bristles of the head material from the magazine into the tool, the piece of wire is bent until it is hook-shaped. The wire and tuft of bristles are fed together by the stamping tongue until the wire surrounds the tuft.
The tuft of bristles is then folded as a result of further shaping by the wire loop. A narrowing presses the wire loop together.
The tuft of bristles and wire loop are pressed into the predrilled hole with great force, resulting in the wire loop being anchored in the bottom of the hole and side walls and the tuft of bristles being fixed in place.
Each of our up-to-date machines, some of which were developed by us in our own facilities, can assemble up to 350 tufts of bristles per minute.
Before the item leaves the machine, the head material is cut off to the appropriate length and combed out. Floor mops and scrubbing brushes are fitted with a handle socket. Depending on the particular order, articles are also provided with a banderole or label and simultaneously subjected to quality control procedures.
All rough and fine brushes, but also certain technical brushes, are manufactured using the loop stamping process. Given that the wire loop bores into the bottom of the hole, this stamping procedure is only suitable for brush bodies of a certain thickness.
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