Slitting and Rewinding
Slitting and Rewinding with Friedheim International
F
riedheim International, celebrating their 140th anniversary this year, are one of few companies who straddle both corrugated, carton and lower gsm paper handling. As more and more of these processes are being consolidated in-house to form more cohesive product off erings, they off er a unique insight into how machinery and maintenance play a pivotal role in achieving consistent success for production managers and brand managers alike. Consistency, they say, is the key factor.
Slitting in the context of corrugated packaging is the process of cutting large rolls of paper or other substrates into narrower widths, as well as introducing cuts, scores and grooves needed for product shaping; it is essential for creating goods that meet precise specifi cations. Any inaccuracies in this step leads to waste, delays and therefore increased costs. Similarly rewinding, which involves winding the cut material onto cores, is crucial for ensuring that the fi nal rolls are neat, correctly tensioned and ready for subsequent processing or shipping.
These factors play hand in hand and it is well noted that the chain of logistics present plenty of opportunities for hard work to go to waste, so a good level of visibility into these areas is key. Advancements in slitting or rewinding and overall handling and quality control technology, such as automated control and tracking systems, waste extraction, camera and sensor systems, enable production teams to achieve consistent quality and meet the necessary standards.
High-quality slitting and rewinding processes, including regular calibration and maintenance, enhance not only the overall quality of the fi nal product by ensuring products are free of imperfections, but also the consistency needed to keep fast moving clients contented. With consistency comes predictability and with predictability comes accurate forecasting, maintenance planning and so on. A large client of Friedheim serving the pharmaceutical sector has recently begun the journey of bringing over 90 percent of production control under their umbrella and has learned fi rst-hand how quality control needs to be front and centre in plant investment. It has been found that proper communication between upstream manufacturing and downstream quality control is where some of the largest jumps in productivity and cost saving can be realised.
Consistent precision is vital for maintaining the structural integrity, aesthetic appeal and
therefore value of packaging and printed materials in downstream markets all the way to the shelf, which is a make-or-break condition for most brand owners.
So while substrates may vary, the principles continue to apply. As more and more packaging
manufacturers bring both vertical and horizontal processes closer to home, understanding these principles can make the diff erence between success and failure in slitting and winding, even more so when expanding to die-cutting, folding, lamination or even erecting and out-serting.
30
September 2024
www.convertermag.com
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