Automatic Core Cutters

Automatic Core Cutters - group photo

There’s always something interesting happening here at Universal. Usually the most interesting activities I get involved with are customer trials or R&D. Both are great because they are good opportunities to showcase the enthusiasm inherent in the culture at Universal.

Sometimes some of the scenes that impress me the most are the quiet ones. A box full of beautifully machines parts, ready for the assembly line. Or the fascinating Solidworks schematics being worked on the studiously focussed atmosphere of the drawing office.

A couple of days ago I walked through the part of the factory where our CCA Automatic Core Cutters are built. All the mechanical fitters, electrical and controls engineers were elsewhere. But on that day, in this quiet section of the factory was the perfect picture of efficiency and productivity - six automatic core cutters, ready for commissioning. I took a photo on my phone and have decided to share it here, on my personal blog. Just out of shot is one of the core cutters that includes the automatic core loader that is proving very popular with customers.

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Trim removal on slitters

A trim fan attached to a slitter. As discussed previously on this blog the process of slitting (at its most basic) can be reduced to the one-line description of ' a big roll is loaded on one side of the slitter rewinder, and smaller rolls are loaded off the other side' and that's fine... most of the time. Here comes the example! If a 1000mm wide roll is loaded onto a rewinder and is slit down into rolls that are 212mm wide then four rolls would be produced. If your mental maths is up to scratch you might have noticed that 4x212 does not equal 1000, and that means that from the original / master / jumbo roll there will be roughly 117mm left over. Sometimes this happens because the edges of jumbo rolls are discarded due to damage, print reasons or simply because the material being slit isn't coated all the way to the edges of the roll. So what happens to this waste material? Waste material can be wound onto cores in the same way 'correct' rolls are, ...

We need to talk about how you're handling this...

At the risk of sounding like I'm marketing for them instead of Universal I'd like to mention Package Print Worldwide ( @PackPrintWorld ) again. We contributed to the safe materials handling article in the new issue of Package Print Worldwide, with particular focus given to our roll handling trolley . We have recently expanded the range of material handling attachments for the trolley and have seen the number of enquiries rise considerably. Sadly safety is a subject that is sometimes (thankfully only rarely) overlooked by some companies, and when it comes to safe roll handling the risk of personal injury is one that is easy to minimise with the correct equipment. We have priced our materials handling equipment at a level that should be easily affordable to all, so there's no excuse for lax safety! More roll handling information: Find out more about our roll handling trolley... Reducing roll handling risk and increasingly productivity...

Winding onto 6" cores on a slitter with 3" shafts

A (used) 6" differential ball chuck designed to fit a 60mm rewind shaft (once the 3" chucks have been removed!) I sometimes use this personal blog of mine to talk about the basics of slitting and rewinding, with the content partly led by thinking back to the questions I had when I first started working in the converting machinery industry. One of the first questions I had was 'how on earth can slitter rewinders with 3" rewind shafts be used for winding onto 6" cores?' A lot of converters and labellers / packaging companies regularly switch between winding onto 3" (76mm) and 6" (152mm) cores, which is one of the reasons we designed our Automatic Core Cutter to change between core sizes in under thirty seconds. But what do companies who predominantly wind onto 3" cores do when they need to wind onto 6" cores? The answer is actually quite simple - they remove the 3" ball chucks and slide on 6" core chucks! There are of...

Slitter Man

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