In the realm of sheet metal stamping, numerous steps are involved beyond merely uncoiling, leveling, and feeding the metal coil. One crucial aspect that often gets overlooked is the practice of recoiling or rewinding post-stamping. This procedure encompasses the winding and packaging of either the completed product strip or waste strip post-processing. The intention is to make subsequent usage or transport more manageable.
Conventionally, manufacturers employ the same decoiler machine for recoiling as in the initial stages to streamline production. However, this approach has its limitations – the main being the challenge in attaining a snug recoil. This issue often results in creases and misalignments, making this approach better suited for waste strips but not for the final product strips.
An Innovation in Decoiler Machine Technology: The Tensioning Device
To address the recoiling demands for the finished product strip, we have devised a specialized tensioning device for the decoiler machine. This tool’s primary role is to ensure stable and reliable material collection. Positioned at the front of the metal coil stamping production line’s decoiler machine, the tensioner works seamlessly with both heavy-duty and light-duty variants, with a common preference for the former.
This tensioning device features a pressing roller that applies tension to the sheet, enabling the decoiler machine to achieve a tighter recoil. This function significantly reduces the chances of coil scratching. The tensioner’s pressure adjusts according to the coil material’s thickness through a manual pressure adjustment mechanism.
The device also includes a brake apparatus to counter inertia and is designed with a compact structure. The machine’s overall simplicity, stability, and reliability make it straightforward to operate.
The Convergence of Tensioner and Decoiler Machine
When using the tensioner in tandem with the decoiler machine for rewinding, the stamped sheet metal’s head is initially pulled out from the press, passing through the tensioner’s pressing roller. The gravitational force of the pressing roller clamps the material, and the material head is guided onto the decoiler machine. It is then secured to any tile on the decoiler machine using an A-type iron block.
Next, adjustments are made to the pressing device’s pressure and the brake device’s pulling force, correlating with the sheet’s thickness. This coordination ensures that the strip remains stretched. Upon starting the decoiler machine, several ‘forward’ operations are performed on the electrical box to rewind the strip 5-6 times. As long as the tension is normal and the strip remains tight, uninterrupted production can begin.
In conclusion, our innovative tensioning device significantly simplifies the rewinding process in sheet metal stamping, contributing to a more streamlined and efficient production line.
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