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Increasing Pet food throughput
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Ingrained within Suffolk history, Skinners Pet Foods has been producing dog food for over 40 years in their mill, which
has been in operation since 1688.
However, faced with a recent increase in product demand the family-run business automated their manual bagging operation with equipment designed and installed by Pacepacker Services. The subsequent installation of a further two packaging lines - which weighs, bags, and seals - has increased throughput to almost 2,000 bags of pet food per hour - an increase on manual bagging of almost 70 percent.
The lines, consisting of a C21 Multi Pile Sack Placer and a Total Bag Control System (TBC), were installed following the introduction of a new extruder which increased the product volume manufactured by Skinners and sold to vet practices and independent pet food traders. Two out of the three lines were designed to handle bags of up to 15 kg in weight - running at speeds of up to 500 bags per hour.
However, the final line was intro-duced recently following an increase in demand for smaller bags of pet food, and subsequently achieved brand
growth for the manufacturer. Significantly, Pacepacker designed this
bespoke third line as a miniature version
of the initial lines to handle the 2.5 kg bags - which is running on a throughput of 800 bags per hour.
“Pacepacker equipment typically handles large bags between 15-50 kg in weight, but the flexibility of our systems is such that they can easily be reconfigured to handle smaller pack sizes and weights. As with most of our systems, the C21 and TBC have many options and interchangeable parts to accommodate different applications. Using this modular architecture, we created a ‘mini’ system for Skinners so that they could fulfill consumer demand for smaller more convenient bag sizes,” said Paul Wilkinson, business develop-ment manager, Pacepacker, UK.
As highlighted by Michael Marjoram from Skinners Pet Foods, the Pacepacker system is extremely versa-tile with ultra quick-change filling heads for different bag and gusset sizes.
“In total the three lines handle a combination of 36 different products, so we needed a system which was versatile enough to deal with this high changeover. While the weight of the product remains the same, the changeover of the bags has proved quick and simple,” said Marjoram.
Increasing Pet food throughput
Reforming gussets at the sack mouth whilst still on the filling clamp provides a
perfect finish
Grain&feed millinG technoloGy14 | September - october 2013
FEATURE
Grain&feed millinG technoloGy September - october 2013 | 15
www.oj-hojtryk.dk
Die and roll re-working machines
O&J Højtryk A/SØrnevej 1, DK-6705 Esbjerg ØCVR.: 73 66 86 11
Phone: +45 75 14 22 55Fax: +45 82 28 91 41
mail: [email protected]
AD_o&j.indd 1 21/11/2012 15:08
FEATURE
Grain&feed millinG technoloGy September - october 2013 | 15
www.oj-hojtryk.dk
Die and roll re-working machines
O&J Højtryk A/SØrnevej 1, DK-6705 Esbjerg ØCVR.: 73 66 86 11
Phone: +45 75 14 22 55Fax: +45 82 28 91 41
mail: [email protected]
AD_o&j.indd 1 21/11/2012 15:08
FEATURE
Coinciding with the first installation, Skinners introduced a range of pet food products in plastic bags. Coupled with an
increase in demand from their customers for this form of packaging the move was also due to the cost effectiveness and durability of plastic bags - however the process did not come without complications.
“Plastic bags are notori-ously unstable to seal effi-ciently due to the material’s consistency and as our bags are trimmed and sealed at the top.
It was almost impos-sible to achieve a consistent pack presentation when packed manually as the inside of the bags are white and any slight error would be on view. Since the line has been automated, how-ever, Pacepacker’s system has continuously attained a perfect finish on each bag,” said Marjoram.
This is achieved through the sack closing Total Bag Control System (TBC) which overcomes these problems by firstly reform-ing gussets at the sack
mouth whilst still on the filling clamp then, by gripping the sack top prior to its release
onto a short static conveyor. Both the sack top and base are indexed clear of the filling clamp at high speed and in perfect synchro-nisation, allowing for the rapid placement of the next bag in readiness for filling. The top grip arms then transfer the filled sack to a pair of powered belts, which in turn feed the sack top trimmer and heat sealer thus ensuring neat, parallel seal.
“The system consistently creates a perfectly presented pack, which in turn eliminates sack and product waste,” said Wilkinson.
"Skinner’s line automation has been highly successful," said Marjoram. “The line consist-ently provides accurately finished bags and requires little operator supervision. Right from the beginning Pacepacker has been extremely accommodating to all our needs and exceeds our expectations; they have provided an excel-lent service and helped us achieve brand growth into new markets. Our original packing line staff were due to retire and we have not had to replace them as the Pacepacker equipment is easy to operate, low to maintain and quick to changeover and only one operator is required to oversee the operation.”
More inforMation:Email: paul.wilkinson @pacepackerservices.com Website: www.pacepacker.com
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Grain&feed millinG technoloGy16 | September - october 2013
FEATURE
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Reap the Benefi ts!Customised industrial bags for hygienic fi lling and reliable protection of your foodstuffs, animal feed, seeds and grains.
www.mondigroup.com
SOLUTIONS.FOR YOUR SUCCESS.
AutomotiveIndustry
ChemicalIndustry
Farming &Agriculture
Industry
Food IndustryBuilding &Construction
Industry
Industrial Paper & Packaging
Industry
Office &Printing Paper
Industry
Pet Food Industry
Photographic & Graphic Industry
Toiletries &HygieneIndustry
OthersCreative Industry
Medical &Pharmaceutical
Industry
HouseholdIndustry
Learn more about Mondi’s industrial bags
Suitable for food contact
Easy handling
features such as
Easy Open stripCompostable bags with
biodegradable fi lmReliable protection
through hygienic closure3
1
Window for presenting the fi lling
good attractively and simple dosage2
4
5
IB_Feed_210x297_+3mm_E_2013.indd 1 11.04.13 16:01
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