When choosing a metal coil feeding machine, it is crucial to consider factors such as the material used, width and thickness range, and compatibility with other equipment like punching or shearing machines. Although many customers understand the importance of matching metal coil feeding machines to material properties, the concept of feeding pitch remains unclear for first-time buyers. To make an informed decision, it is essential to grasp the significance of feeding pitch.
Feeding Pitch Explained
Feeding pitch refers to the predetermined distance a sheet metal advances each time it is fed during production. This distance corresponds to the length of material supplied to the processing equipment in one operation, dictated by the larger workpiece contour’s dimensions and the overlap between adjacent workpieces. Once the processing technology is established, the feeding pitch is calculated and becomes fixed.
The Impact of Feeding Pitch on Metal Coil Feeding Machine Selection
To comprehend how feeding pitch influences metal coil feeding machine selection, consider these two aspects:
1.Maximum Feeding Pitch
Metal coil feeding machines fall into three categories: air feeders, roller feeders, and NC feeders. Each type has unique pricing and maximum feeding pitch capabilities. A single processing machine, such as a punch press or shearing machine, often employs various processing technologies, resulting in multiple feeding pitches. Identifying the maximum feeding pitch is essential for accurately selecting the right feeder model, ensuring minimal investment while meeting diverse processing technology requirements.
2.Metal Coil Feeding Machine Speed
Although uncommon, some situations arise when a punching machine or other equipment fails to achieve the desired feeding pitch length (A) regardless of adjustments made. This issue stems from the metal coil feeding machine’s insufficient feeding speed, which cannot complete the feeding task during each material-cutting interval. To prevent this situation, use a reverse calculation method to determine the required feeding speed (V) of the metal coil feeding machine, based on the maximum punching rate (N) and feeding pitch (A) during this rate.
NC Feeders: The Feeding Pitch Advantage
If a customer requires a large stamping material width or initially opts for an NC servo feeder due to its operational and performance benefits, feeding pitch does not need to be considered. The maximum feeding pitch for an NC servo feeder (or a three-in-one decoiler straightener feeder) can reach 9999.99mm, adjustable within this range. Stamping and shearing processes do not demand such long feeding pitches, so the feeding pitch factor can be overlooked during the actual purchasing process.
By understanding feeding pitch and its implications, customers can make informed decisions when selecting the appropriate metal coil feeding machine. Considering factors like maximum feeding pitch and metal coil feeding machine speed will ensure the best possible investment while meeting diverse processing technology demands.
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