BAGMAKING & CONVERTING | MACHINERY
We round up some of the latest developments in bag making machinery – including a servo-driven line, and a new automation concept
Bagging a winner
Some of the most basic products can be surpris- ingly difficult to pack. Cement, for instance, has a high density and sensitivity to moisture – so requires tough packaging to protect its contents from damage. Increasingly, this has meant a move away from paper towards plastic packaging. Starlinger of Austria recently sold its 300th
Ad
Star Kon conversion line, for making Ad Star block bottom valve sacks. Worldwide production of these sacks amounts to around 10 billion units per year, it says. The 300th
line of this type was installed at
Philippines-based packaging manufacturer Sakomoto International Packaging, which supplies the local cement industry with Ad Star sacks made of plastic fabric. In Caloocan City, near Manila, Sakomoto operates many systems from Starlinger – including tape extrusion lines, circular looms, and lines for coating, printing, and sack conversion. Sakomoto produces around 500 million sacks
every year – which is due to increase even more, as its installed capacity continues to expand – to supply packaging to the growing cement market. Philippine cement plants are increasingly recognis- ing the advantages of Ad Star sacks over paper sacks, causing their market share to rise. In early 2018, Sakomoto commissioned two sack conversion lines – including the 300th Ad Star Kon. Both the delivered machines belong to the new generation of Ad Star Kon HX.
www.filmandsheet.com Ad Star Kon HX features precise sack conversion
at an operating speed of up to 140 sacks per minute. This is about 40% faster than the preceding model, and is mainly achieved with the iMove feature, which dynamically adjusts bag transporta- tion. For the customer, this means higher efficiency, lower energy costs and reduced manpower – as more sacks are made in the same time with the same energy consumption. Product quality is also important in sack produc-
tion: This is handled by iShape and iPatch, which ensure that each sack receives a precisely formed bottom and tailored cover and bottom patches. Other advantages of the line are its easily accessi- ble dual stacking unit and the large format range for the production of sacks with a capacity of 4.5 to 100 litres. Both lines at Sakomoto are equipped with the optionally available micro perforation unit MicroStar+ for high air permeability and the quality management system QualiStar II. Separate to this, Starlinger’s PP Star – a pinch
bottom bag that can now be made directly from PET bottle flakes – recently won an international industry award. The jury for the WorldStar Award were impressed with the concept of bag manufac- turing in a fully closed loop, said Starlinger. Stéphane Soudais, head of consumer bags at
Starlinger, said: “Whereas others only talk about the theoretical recyclability of their product, ours is actually made from recycled material.”
� July/August 2018 | FILM & SHEET EXTRUSION 49
Main image: Converting Systems says its 1801V bag machine offers faster line speeds, easier maintenance, and HMI access to set-up and troubleshooting
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