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<strong>New</strong> line makes special<br />

<strong>of</strong>fers easier to handle,<br />

in more ways than one<br />

A very compact packing line incorporating an <strong>Ishida</strong> multihead weigher enables<br />

Fredag AG to respond to urgent orders for products such as chicken nuggets.<br />

Convenience food manufacturer Fredag AG is<br />

increasingly asked to package large quantities<br />

<strong>of</strong> special <strong>of</strong>fers at short notice. A dedicated<br />

handling facility was needed, but floor space<br />

was at a premium for an installation that would<br />

only be used intermittently. The solution was a<br />

fast but highly compact packing line based<br />

around an <strong>Ishida</strong> CCW-RS multihead weigher.<br />

Demanding clients<br />

Based in the Swiss Canton <strong>of</strong> Lucerne, Fredag<br />

produces some 6,500 tonnes <strong>of</strong> convenience<br />

foods annually. Besides food service, catering<br />

and fast-food customers, it services major<br />

retailers such as Coop and Migros who follow<br />

the growing trend to place urgent orders for<br />

special <strong>of</strong>fers. After approaching several<br />

suppliers, Fredag AG turned to the Swiss <strong>Ishida</strong><br />

agent Itech AG in Rotkreuz to devise a packing<br />

line to handle these orders.<br />

Space was a challenge<br />

Itech and <strong>Ishida</strong> faced some tough design<br />

challenges. Because <strong>of</strong> limited room for<br />

expansion, the packing line had to occupy the<br />

least possible factory floor space and had to<br />

fit into a room only four metres high. A further<br />

requirement was careful product handling, as<br />

Fredag considers it vital that its fish and poultry<br />

nuggets remain evenly breaded to preserve<br />

their appearance.<br />

Compact but efficient<br />

Fredag’s CCW-RS multihead weigher installation<br />

was specially designed to save space. For<br />

instance, the conveyors which feed the CCW-RS<br />

are steeply angled at 65º, yet despite this no<br />

product is spilled. With no room for a support<br />

structure, the gantry and the weigher are<br />

fastened directly to the plant’s ceiling, so<br />

problems <strong>of</strong> weight, vibration and the cabling<br />

had to be overcome. As a further space-saving<br />

measure, the trolley-mounted filling system can<br />

be removed from between the weigher and<br />

the therm<strong>of</strong>ormer when the packing line is<br />

not running.<br />

Delicate handling<br />

The <strong>Ishida</strong> CCW-RS is designed to carefully<br />

handle products with challenging flow properties<br />

like Fredag’s nuggets. The vibration frequencies<br />

<strong>of</strong> the weigher and its feed system are<br />

adjustable to ensure even product flow. To<br />

eliminate sticking, all contact parts are made<br />

from embossed stainless steel, and all transfer<br />

points on the system are designed to ensure the<br />

bread coating <strong>of</strong> the nuggets remains intact.<br />

Efficient changeover<br />

The new line <strong>of</strong>ten requires three product<br />

changes a day. When the same type <strong>of</strong> product<br />

is involved, changeover just means pressing a<br />

button. Washing down when changing between<br />

fish and poultry is facilitated because the<br />

waterpro<strong>of</strong> CCW-RS can simply be hosed down.<br />

Water is readily removed from the gently-angled<br />

surface <strong>of</strong> the gantry. All contact parts can be<br />

removed, without tools, for hosing down.<br />

Speed with accuracy<br />

With 1kg trays, the packing line has an hourly<br />

capacity <strong>of</strong> 2,000 trays, which increases to 2,650<br />

per hour with 200g and 500g trays. Yet filling<br />

accuracy is within 3g with a 500g tray. “Meat is<br />

particularly expensive in Switzerland”, points out<br />

Fredag’s Plant Director Phillipp Keller, “so we<br />

are very keen to minimise giveaway”.<br />

More orders mean fast payback<br />

Phillipp Keller expresses his satisfaction with the<br />

installation which has been in operation since<br />

February 2011: “This new packing line has<br />

enabled Fredag to supply special <strong>of</strong>fers in high<br />

quantities at very short notice. We are now able<br />

to accept orders we would have been obliged to<br />

turn down in the past.” He expects that the new<br />

CCW-RS installation will have paid for itself<br />

within four years.<br />

Our teams are<br />

close to yours<br />

For your nearest agent or<br />

distributor, contact your nearest<br />

<strong>Ishida</strong> Sales Office, below:<br />

<strong>Ishida</strong> <strong>Europe</strong> Limited<br />

11 Kettles Wood Drive<br />

Woodgate Business Park<br />

Birmingham B32 3DB<br />

United Kingdom<br />

Tel: +44 (0)121 607 7700<br />

Fax: +44 (0)121 607 7666<br />

info@ishidaeurope.com<br />

<strong>Ishida</strong> Czech Republic<br />

Tel: +420 317 844 059<br />

Fax: +420 317 844 052<br />

info@ishidaeurope.cz<br />

<strong>Ishida</strong> France<br />

Tel: +33 (0)1 48 63 83 83<br />

Fax: +33 (0)1 48 63 24 29<br />

info@ishidaeurope.fr<br />

<strong>Ishida</strong> Germany<br />

Tel: +49 (0)791 945 160<br />

Fax: +49 (0)791 945 1699<br />

info@ishida.de<br />

<strong>Ishida</strong> Middle East<br />

Tel: +971 (0)4 299 1933<br />

Fax: +971 (0)4 299 1955<br />

ishida@ishida.ae<br />

<strong>Ishida</strong> Netherlands<br />

Tel: +31 (0)499 39 3675<br />

Fax: +31 (0)499 39 1887<br />

info@ishida.nl<br />

<strong>Ishida</strong> Romania<br />

Tel: +40 (0)21 589 73 52<br />

Fax: +40 (0)21 310 34 22<br />

info@ishidaeurope.ro<br />

<strong>Ishida</strong> South Africa<br />

Tel: +27 (0)11 976 2010<br />

Fax: +27 (0)11 976 2012<br />

info@ishida.co.za<br />

<strong>Ishida</strong> Switzerland<br />

Tel: +41 (0)41 799 7999<br />

Fax: +41 (0)41 790 3927<br />

info@ishida.ch<br />

www.ishidaeurope.com<br />

<strong>New</strong>s<br />

NACHRICHTEN NOUVELLES<br />

<strong>New</strong> <strong>Ishida</strong> <strong>Centre</strong><br />

<strong>of</strong> <strong>Excellence</strong> <strong>of</strong>fers<br />

<strong>360º</strong> <strong>view</strong> <strong>of</strong> real<br />

solutions at work<br />

The new <strong>Ishida</strong> Demonstration Facility in Birmingham, UK, <strong>of</strong>fers realistic<br />

production runs across a wide range <strong>of</strong> food industry conditions, enabling<br />

customers to see equipment packing their own or related products. It also<br />

provides a testing ground for solutions development and for fine-tuning <strong>of</strong><br />

existing lines.<br />

The new facility can test entire packing lines<br />

under ambient or chilled (e.g. 2°C) temperatures.<br />

It can handle wet products as well as dry, with<br />

hygienic-room features such as self-draining<br />

floors and easy-washdown surfaces, and includes<br />

high-care and low-care changing facilities.<br />

Extensive refrigerated storage is available on<br />

site, allowing trials to be prolonged if necessary.<br />

Observation, the key to a useful trial<br />

The area is equipped with special windows for<br />

direct observation or for <strong>view</strong>ing via webcam<br />

from remote sites.<br />

Richard Brown, General Manager - EMEA<br />

Projects at <strong>Ishida</strong> <strong>Europe</strong>, believes customers<br />

will be able to predict much more clearly the<br />

Poultry pieces Fruit &<br />

vegetable seeds<br />

overall performance <strong>of</strong> equipment working as a<br />

complete line. “For example, we’ve just set up a<br />

test line for a poultry manufacturer in the Middle<br />

East, and delivered detailed information about<br />

the products’ shelf-life.”<br />

Encouraging innovation<br />

Richard Brown sees the new facility as much<br />

more than just an aid to efficiency.<br />

“<strong>Ishida</strong> and its customers have always thrived on<br />

a process where new ideas are tried out on a<br />

practical scale in real industrial environments.<br />

This improved trial facility shortens and speeds<br />

up that vital development loop for many projects,<br />

with no interruption <strong>of</strong> customers’ existing<br />

production. I’m sure it will go beyond increases<br />

in efficiency and encourage a culture <strong>of</strong><br />

innovation that will ultimately impact customer<br />

pr<strong>of</strong>its even more strongly.”<br />

Customers should contact their nearest<br />

<strong>Ishida</strong> <strong>of</strong>fice for further information and<br />

trial booking details.<br />

Beansprouts Rehydrated<br />

s<strong>of</strong>t fruit<br />

ISSUE 33 - SPRING 2012<br />

<strong>New</strong><br />

i-Care<br />

service<br />

delivers<br />

24-hour<br />

access to<br />

spare parts<br />

<strong>Ishida</strong> <strong>Europe</strong> has long had a<br />

policy <strong>of</strong> deploying support, and<br />

specifically spare parts, so as to<br />

be as close as possible to<br />

customers in time and space.<br />

Fully in keeping with this approach, the<br />

company has now launched i-Care. This<br />

service <strong>of</strong>fers customers 24-hour access,<br />

seven days a week, to manuals <strong>of</strong> parts,<br />

spares and consumables for all current <strong>Ishida</strong><br />

equipment, and for many ‘legacy’ models.<br />

“Having identified what you need,” comments<br />

Chris Deckx, General Manager Customer<br />

Services, “you can order it right away and, if<br />

it’s in stock, it will <strong>of</strong>ten go out the same day.”<br />

Customers wishing to use the service should<br />

email spares@ishidaeurope.com to request<br />

secure log-in details and instructions.<br />

Chicken<br />

nuggets<br />

www.ishidaeurope.com


x-ray<br />

The coreless, stainless<br />

steel screws <strong>of</strong> the<br />

<strong>Ishida</strong> Screw Feeder<br />

Weighers gently but<br />

firmly move the product<br />

through to the weigh<br />

hoppers. The system<br />

works equally well for<br />

bone-in or boneless<br />

cuts, and for other<br />

fresh meat products.<br />

multihead weigher pick-and-place casepacker traysealer<br />

complete lines<br />

fresh food weigher snacks bagmaker<br />

Prioskolie goes for fast,<br />

high-accuracy packing <strong>of</strong><br />

poultry pieces<br />

The Meyn-<strong>Ishida</strong> alliance has completed the installation <strong>of</strong> a chicken processing and packing plant in Russia’s<br />

Belgorod province for poultry giant ZAO Prioskolie. The state-<strong>of</strong>-the-art plant includes <strong>Ishida</strong>’s recently-developed<br />

weigh-batching technology, which has revolutionised the speed, accuracy and compactness <strong>of</strong> styling and<br />

packing operations.<br />

Prioskolie is Russia’s largest poultry producer,<br />

involved in breeding, rearing, feed production<br />

and processing. Meyn-<strong>Ishida</strong> is an alliance<br />

formed between <strong>Ishida</strong> and Meyn, the leading<br />

poultry processing equipment and systems<br />

producer, in order to <strong>of</strong>fer complete, singlesource<br />

processing and packing plants, typically<br />

on greenfield sites.<br />

Scope <strong>of</strong> work<br />

Prioskolie wished to scale up its operations and<br />

at the same time to reap the benefits <strong>of</strong> an<br />

integrated manufacturing execution system from<br />

a single supplier. Specifically, the company was<br />

looking for a plant that could ensure the highest<br />

yield from each delivery <strong>of</strong> live birds, together<br />

with the most efficient use <strong>of</strong> manpower and<br />

automation, and the fullest degree <strong>of</strong> control<br />

and traceability.<br />

This implied that the chosen supplier would need<br />

to be expert in every department, from live bird<br />

handling and gas stunning through to the<br />

management <strong>of</strong> crates and trays.<br />

Meyn-<strong>Ishida</strong> was selected by Prioskolie to<br />

design, supply and install a new 10,500bph<br />

(birds per hour) plant at Valuyki, to be capable<br />

<strong>of</strong> expansion to 12,000bph.<br />

From whole chicken to pack<br />

<strong>of</strong> pieces<br />

In Meyn-<strong>Ishida</strong>’s integrated plant design, plucked<br />

and eviscerated birds are automatically assessed<br />

for packing whole or for cut-up. Overall, about<br />

50% follow the whole-bird packing channel, while<br />

50% are rehung and enter one <strong>of</strong> the two cut up<br />

lines. This versatile section can be programmed<br />

to cut to a number <strong>of</strong> different patterns, yielding<br />

a wide variety <strong>of</strong> pieces, following the sequence<br />

wings-breasts-legs.<br />

Whatever the piece-pattern chosen, the resulting<br />

pieces are fed to four complete lines, each<br />

capable <strong>of</strong> composing well-styled, tightly weightcontrolled<br />

packs <strong>of</strong> wings, legs, breasts or other<br />

cuts, then delivering them for flow-wrapping,<br />

labelling, placing in crates and palletising.<br />

Goodbye to grading<br />

An efficient poultry processing factory can<br />

convert a single bird into its programmed<br />

cut-up pieces within minutes. To operate at<br />

today’s speeds <strong>of</strong> thousands <strong>of</strong> birds per hour,<br />

all these pieces need to be handled as separate<br />

streams from the second they are produced.<br />

There can be no ‘queuing’ <strong>of</strong> breasts behind<br />

legs behind wings.<br />

So each cut needs a separate processing<br />

channel. To dedicate a bulky grader to each<br />

would be enormously expensive in terms <strong>of</strong><br />

space alone, and would not produce particularly<br />

accurate pack weights. Until recently this was<br />

nevertheless the way most poultry processing<br />

and packing factories operated.<br />

Weigh-batching: today’s way forward<br />

The solution adapted at Prioskolie and other<br />

recent Meyn-<strong>Ishida</strong> installations is to produce<br />

highly accurate weighments at high speed which<br />

are then placed in trays and all necessary<br />

manual adjustments made to ensure perfect<br />

presentation. This is achieved using <strong>Ishida</strong><br />

Weigh-Batchers.<br />

Each <strong>of</strong> the four weigh-batchers at Prioskolie<br />

comprises an <strong>Ishida</strong> R-Series Multihead Weigher,<br />

a 16-station batching table and the belts,<br />

diverters and signalling systems that enable<br />

optimal synergy between automation and<br />

human operators.<br />

The <strong>Ishida</strong> weighers are Screw Feeder models,<br />

able to handle sticky chicken and other fresh<br />

meat gently but at high speed. Belts positioned<br />

a few feet above the work surface take the<br />

weighments towards the workstations. As a<br />

weighment approaches a workstation which has<br />

capacity, a diverter arm sweeps the product <strong>of</strong>f<br />

the belt into the upper level <strong>of</strong> the station, where<br />

it is held over a gate, while a light indicates its<br />

presence to the operator.<br />

When ready, the operator pushes into place<br />

an ‘intermediate’ tray, which causes the gate to<br />

open and the weighment to fall into the tray.<br />

The operator transfers the contents <strong>of</strong> the<br />

intermediate tray to a packing tray, and positions<br />

them for optimum presentation. The packed tray<br />

is then placed on a belt leading to the wrapping<br />

and labelling section. When the operator is<br />

ready, he or she pushes the empty intermediate<br />

tray back into place, triggering the release <strong>of</strong> the<br />

next weighment.<br />

More chickens per hour<br />

Prioskolie are very pleased with the resultant<br />

throughput. An entire batch <strong>of</strong> over 24,000 birds<br />

can be handled from live entry to flow-wrapped<br />

trays in about 2 hours 20 minutes.<br />

checkweigher<br />

For a single 830g pack <strong>of</strong> drumsticks, for<br />

example, the whole process from cut-up<br />

system to flow-wrapped tray takes as little as<br />

60 seconds.<br />

The weigh-batcher performance capacity<br />

is 40tpm (trays per minute). The target<br />

performance is 32tpm.<br />

Improved yield<br />

The weigh-batcher approach is very accurate<br />

indeed. Giveaway is very low, despite the<br />

demanding minimum weight regulations that<br />

operate in Russia. For wings and thighs it is<br />

as little as 0.2%.<br />

A highly efficient operation<br />

As regards efficiency, according to Production<br />

Manager Sergej Vyacheslavovich Chasovskikh,<br />

the availability <strong>of</strong> the equipment is 95%, while<br />

performance is 80% and quality is 97%, giving an<br />

overall equipment efficiency (OEE) for weighing<br />

and packing <strong>of</strong> over 73.7%.<br />

Prioskolie were impressed not just with the<br />

technology <strong>of</strong> the new plant, but with the extent<br />

to which Meyn-<strong>Ishida</strong> were able to integrate<br />

across all activities. For example, each multihead<br />

weigher can assess the input <strong>of</strong> pieces it is<br />

receiving and cue the cut-up centre to send it<br />

lighter, heavier or more varied pieces to help it<br />

improve pack weight accuracy.<br />

“In the end, what it comes down to”, says<br />

Sergej Vyacheslavovich Chasovskikh, “is<br />

value for money.”<br />

Staff manning the batching sections <strong>of</strong> three <strong>of</strong> the<br />

<strong>Ishida</strong> Weigh-Batchers. Eight people per batcher<br />

can comfortably handle the cut-up pieces from a<br />

10,500 birds-per-hour throughput. The remaining 8<br />

stations per batching table allow plenty <strong>of</strong> room for<br />

future expansion.<br />

2 3


It takes one<br />

“little wonder”<br />

to weigh another<br />

One <strong>of</strong> South Africa’s leading seed companies has installed<br />

an <strong>Ishida</strong> ‘Lilliput’ multihead weigher to increase capacity<br />

and provide greater control over pack fill accuracy, which is<br />

<strong>of</strong> crucial importance in this highly competitive business.<br />

A single seed <strong>of</strong>ten has the potential to produce<br />

many kilograms <strong>of</strong> fruit or vegetables. Yet a Little<br />

Wonder tomato seed, for instance, measures just<br />

two millimetres across and weighs less than<br />

0.002g. This large ratio <strong>of</strong> value to weight means<br />

that getting products into packs is a crucial part<br />

<strong>of</strong> a seed merchant’s business and any advance<br />

in accuracy can directly affect the bottom line.<br />

A world-class seed company<br />

Few companies can claim more experience in<br />

the seed business than Starke Ayres Pty Ltd, <strong>of</strong><br />

South Africa, which continues to thrive after 135<br />

years in the industry. Starke Ayres is strongly<br />

focused on research, development and breeding<br />

<strong>of</strong> vegetable seed cultivars, and in production,<br />

marketing and distribution.<br />

From its headquarters, based on a farm to the<br />

east <strong>of</strong> Johannesburg, the company markets and<br />

distributes to commercial vegetable growers in<br />

many countries across Africa, North and South<br />

America, <strong>Europe</strong> and the Mediterranean as well<br />

as Australia.<br />

Starke Ayres develops and breeds its own high<br />

quality hybrid vegetable varieties. Breeding<br />

programmes are focused on tomatoes,<br />

pumpkins, zucchini, butternut squash, sweet<br />

corn and peppers. The company also has a<br />

strong national retail component supplying<br />

hobbyists with vegetable and flower seeds as<br />

well as a range <strong>of</strong> pesticides and plant nutrients.<br />

4<br />

Reasons for automation<br />

Starke Ayres produce a great variety <strong>of</strong> pack<br />

sizes, mainly within the range 0.33g to 100g.<br />

Packing seeds by hand is highly labour-intensive.<br />

In manually weighing 1000 hybrid tomato seeds,<br />

for example, overweight at the level <strong>of</strong> over 5% is<br />

unavoidable in order to be absolutely sure that<br />

the pack contents will measure up to the<br />

declared content, not to mention the critical eye<br />

<strong>of</strong> the grower.<br />

Knowing that multihead weighing could<br />

transform this situation, Starke Ayres looked into<br />

the available options and chose an <strong>Ishida</strong> CCW-<br />

M-214W-S/005-SS. Known as the ‘Lilliput’<br />

because <strong>of</strong> its small size (it has a 650mm x<br />

650mm footprint and 0.5 litre hoppers), it is<br />

designed to handle very small target weights<br />

with great accuracy and speed.<br />

Reducing giveaway by more<br />

than half<br />

The <strong>Ishida</strong> Lilliput at Starke Ayres has brought<br />

giveaway down to just 2%, a reduction <strong>of</strong> 60%.<br />

This means that for every 35 packs or so, a given<br />

batch <strong>of</strong> seed will yield one extra pack.<br />

Automatic weighing on the <strong>Ishida</strong> achieves this<br />

while practically eliminating the possibility <strong>of</strong> any<br />

underweight packs reaching the grower,<br />

something that manual weighing could never<br />

accomplish with such a low level <strong>of</strong> giveaway.<br />

Starke Ayres Factory Manager Tewie Pretorius (left)<br />

and Operations Director Danny van der Westhuizen.<br />

The new <strong>Ishida</strong> has speeded up packing and<br />

distribution.<br />

A surge in speed<br />

Seed is delivered to the top <strong>of</strong> the <strong>Ishida</strong> using a<br />

vacuum system. It passes through the weigher<br />

driven by gravity with the assistance <strong>of</strong> a<br />

powerful vibratory system. To prevent air currents<br />

from interfering with the process, the entire<br />

machine is enclosed in a transparent case.<br />

At the outlet <strong>of</strong> the discharge chute <strong>of</strong> the <strong>Ishida</strong>,<br />

weighed product falls into a bagmaker. The filled<br />

and sealed bags are bundled and palleted.<br />

With manual weighing, the packing process ran<br />

at between 15 and 20 packs per minute. The<br />

<strong>Ishida</strong> has increased this by well over 250%, with<br />

a typical speed <strong>of</strong> 52 packs per minute.<br />

Business benefits<br />

Apart from the primary benefit <strong>of</strong> consistent pack<br />

weights, the new multihead has speeded up<br />

distribution and, <strong>of</strong> course, increased capacity<br />

while markedly reducing labour costs.<br />

Starke Ayres also believes it benefited from the<br />

services surrounding the weigher. “The after<br />

sales support and training given by <strong>Ishida</strong> was<br />

outstanding,’’ says Tewie Pretorius, Factory<br />

Manager at the company’s vegetable seed<br />

packing plant.<br />

multihead weigher x-ray<br />

fresh food weigher<br />

snacks bagmaker<br />

Building a business on bean sprouts:<br />

the role <strong>of</strong> <strong>Ishida</strong> multihead weighers<br />

Heng Sieng SA imports mung bean seeds from Asia and germinates them to produce quality fresh bean sprouts.<br />

The company has transformed itself from a cottage industry serving the local catering trade to a major supplier<br />

across <strong>Europe</strong>, with its own well-known Sojalor brand. <strong>Ishida</strong> multihead weighers have played an important part<br />

in the transition.<br />

The Ly family originally arrived in France as<br />

refugees from Vietnam. Mr Ly ran an Oriental<br />

grocery in Metz before realising that the growing<br />

interest in fresh Oriental cuisine meant that bean<br />

sprouts would be in continuing demand. 20<br />

years ago he set up Heng Sieng SA.<br />

Now the company is France’s biggest producer<br />

<strong>of</strong> bean sprouts, with an output <strong>of</strong> 7200 tonnes<br />

and a turnover <strong>of</strong> €5m annually. It recently<br />

moved to a 9000m2 site at Dieuze, north east<br />

<strong>of</strong> Nancy.<br />

Getting the process just right<br />

For a time, the company produced just one<br />

tonne per week, as it perfected its own method <strong>of</strong><br />

germinating the sprouts, using nothing other than<br />

time, a controlled atmosphere and pure water.<br />

pick-and-place casepacker<br />

Scaling up in line with demand<br />

When CEO Mr Ly decided to automate the<br />

packing stage, he looked for a method that<br />

could overcome the tendency <strong>of</strong> the sprouts to<br />

stick to contact surfaces yet would avoid<br />

damaging the delicate product whose appeal<br />

lies largely in its crunchy freshness.<br />

As Heng Sieng Maintenance Manager Mr<br />

Raphaël Dupont says “That’s why he naturally<br />

went to <strong>Ishida</strong>”.<br />

The right choice<br />

The <strong>Ishida</strong> CCW-R-214-WS-50-WP was the right<br />

choice in these respects. Its stainless steel, hexembossed<br />

contact parts discourage sticking<br />

and the large (5L) double-opening hoppers<br />

encourage a decisive transfer <strong>of</strong> product from<br />

pool to weigh hopper and from weigh hopper to<br />

discharge chute, while protecting the sensitive<br />

shoots from crushing or tearing.<br />

checkweigher<br />

traysealer<br />

Having first bought one <strong>of</strong> these weighers in<br />

2005, Heng Sieng has just bought another, as<br />

closely identical as possible, given the six-year<br />

gap and <strong>Ishida</strong>’s continuous development policy.<br />

The two machines, mounted on gantries above<br />

vertical bagmakers, and fed by flighted elevators,<br />

dominate the packing hall at the new Dieuze site.<br />

The speeds attainable by the two machines<br />

(about 80 bags per minute for the 500g bags<br />

and 35 bags per minute for the 4kg bags) are<br />

currently held in check by the performance <strong>of</strong><br />

the bagmakers, but the resultant throughput is<br />

perfectly adequate for current needs and leaves<br />

plenty <strong>of</strong> room for handling increasing demand.<br />

Strong emphasis on hygiene<br />

and safety<br />

The <strong>Europe</strong>-wide scare concerning bean sprout<br />

hygiene affected many producers adversely,<br />

even though the problem was tracked down<br />

to a specific source in Germany. Heng Sieng<br />

was well-placed to weather the storm, having<br />

already had strong hygiene measures (in<br />

accordance with HACCP guidelines) in place,<br />

and a process that involves no manure or<br />

chemicals. An in-house department, working<br />

with external independent laboratories, is<br />

dedicated full time to assure the quality <strong>of</strong><br />

process and product, enabling the company<br />

to state unequivocally that its products are free<br />

<strong>of</strong> the microorganisms concerned.<br />

The hygienic design <strong>of</strong> the <strong>Ishida</strong> weighers,<br />

with their waterpro<strong>of</strong> bodies and contact parts<br />

that lift <strong>of</strong>f for cleaning, is very much in tune<br />

with these measures.<br />

complete lines<br />

5


Perfect hygiene, rapid changeovers: the packing<br />

goals set by France’s maestro <strong>of</strong> dried fruit<br />

France’s brand leader in dried and s<strong>of</strong>t fruit, and the world’s third largest producer <strong>of</strong> prunes, has just completed<br />

the modernisation <strong>of</strong> its flagship factory in which a new packing hall is used to weigh and bag fruit directly after<br />

rehydration and sorting.<br />

An automation partner who could fully complement the company’s vast fruit-handling expertise was needed and<br />

Maître Prunille chose <strong>Ishida</strong> to work with from the earliest design phase.<br />

Apart from their nutritional benefits, prunes<br />

are an important ingredient in cooking. This is<br />

especially true in France, where Maître Prunille<br />

sells the bulk <strong>of</strong> the Pruneaux d’Agen (as famous<br />

in their own right as foie gras or Armagnac) that<br />

made the company’s name. However, it is<br />

increasingly true in the rest <strong>of</strong> <strong>Europe</strong>, while<br />

prunes have always had a favoured role in<br />

Middle Eastern and North African cuisine.<br />

Nowadays the company also handles many<br />

other s<strong>of</strong>t fruit, whether grown locally or<br />

imported from other parts <strong>of</strong> France or abroad.<br />

The local fruit are harvested and their moisture<br />

content reduced to about 23% by ‘drying<br />

cooperatives’ in the region. Twenty four <strong>of</strong> these<br />

cooperatives make up France Prune, Maître<br />

Prunille’s parent organisation.<br />

The <strong>Ishida</strong> weighers are equally at home weighing<br />

18-hour continuous product runs or adapting<br />

(in 15 minutes or less) for rapid changeovers.<br />

The dried fruit are rehydrated to a moisture level<br />

about 35% <strong>of</strong> the original. They are immediately<br />

packed into in Stabilo or Quatroseal bags for<br />

both home and export markets, with a shelf life <strong>of</strong><br />

9-18 months, depending on the grade <strong>of</strong> product.<br />

A major investment<br />

The new packing hall, at the company’s<br />

Casseneuil site near Villeneuve-sur-Lot,<br />

represents a considerable investment by Maître<br />

Prunille. It has five separate lines, each including<br />

a sorting area (which also functions as a buffer),<br />

an <strong>Ishida</strong> multihead weigher and a vertical<br />

bagmaker. The last two lines were installed in<br />

January 2012, the culmination <strong>of</strong> a grand plan<br />

begun five years earlier.<br />

They are complemented by an impressive<br />

array <strong>of</strong> end-<strong>of</strong>-line equipment, including <strong>Ishida</strong><br />

checkweighers with built-in metal detectors,<br />

supported by <strong>Ishida</strong>’s IDCS s<strong>of</strong>tware which<br />

enables the company to accumulate<br />

production line data that can help increase<br />

efficiency. An <strong>Ishida</strong> IX-GA 6510 X-Ray<br />

Inspection System stands guard over the final<br />

product and links into Maître Prunille’s data<br />

systems to ensure traceability.<br />

The whole project is part <strong>of</strong> a development vision<br />

conceived by CEO Xavier Picard and Industrial<br />

Director Philippe Moutier back in 2007. Frédéric<br />

Crispel, in charge <strong>of</strong> industrial development,<br />

foresees a decade or more <strong>of</strong> service from the<br />

packing lines. He describes the new hall as<br />

“…a tool for the 21st Century.”<br />

Cleanability wins the day<br />

With s<strong>of</strong>t fruit harvests varying greatly with the<br />

weather, the French market has its times <strong>of</strong><br />

surplus, during which a thriving export trade is<br />

an important asset. It was very important to<br />

Maître Prunille to have the ability to make the<br />

frequent production changes demanded by the<br />

export side, now taking 30% <strong>of</strong> output, with its<br />

many different products, pack sizes and labels.<br />

Hygiene is an important issue in rehydrated fruit<br />

packing. The shelf life <strong>of</strong> the product could be<br />

reduced if spores, yeasts and moulds were not<br />

<strong>Ishida</strong> checkweighers, together with their IDCS<br />

(<strong>Ishida</strong> Data Capture System) s<strong>of</strong>tware, are<br />

providing Maître Prunille with a rich vein <strong>of</strong> data<br />

with which to monitor and improve efficiency.<br />

kept out <strong>of</strong> the process. So the amount <strong>of</strong> time<br />

taken to clean equipment thoroughly is crucial<br />

to a fast product changeover, and therefore to<br />

fulfilling a wide range <strong>of</strong> different orders<br />

efficiently.<br />

As Philippe Moutier, Industrial Director <strong>of</strong> Maître<br />

Prunille, explains “The concept <strong>of</strong> cleanability<br />

<strong>of</strong> production equipment is important from<br />

the point <strong>of</strong> <strong>view</strong> <strong>of</strong> hygiene and the risk <strong>of</strong><br />

cross contamination.”<br />

In fact, Maître Prunille takes the issue so<br />

seriously that the company has its own tests for<br />

equipment cleanability and it was largely on the<br />

basis <strong>of</strong> their performance in this respect that<br />

<strong>Ishida</strong> multihead weighers won out during the<br />

initial tendering process.<br />

x-ray<br />

multihead weigher pick-and-place casepacker traysealer<br />

complete lines<br />

fresh food weigher snacks bagmaker<br />

Prior to this, <strong>Ishida</strong> was already well-known to<br />

the company, which had purchased two <strong>Ishida</strong><br />

Fresh Food Weighers to handle sticky dried fruit<br />

back in 2005.<br />

Designed for rapid hygiene<br />

Each <strong>Ishida</strong> Weigher has 14-heads, with 3-litre<br />

hoppers. The main body, with its rounded<br />

construction, is simple to hose down and <strong>of</strong>fers<br />

no ‘traps’ for spores or other contaminants to<br />

linger in. All contact parts, including feeder<br />

troughs and hoppers can be lifted <strong>of</strong>f the<br />

machine without the need for any tools and<br />

hung on a special <strong>Ishida</strong> “wash wall” nearby,<br />

where a whole set can be cleaned by spraying<br />

in 5 minutes.<br />

The pay-<strong>of</strong>f<br />

Maître Prunille’s choice has proven to be welljustified.<br />

For volume production runs (which can<br />

last up to 18 hours) the legendary reliability <strong>of</strong><br />

<strong>Ishida</strong> equipment comes to the fore. And altering<br />

such parameters as pack format or fruit grade<br />

takes just seconds using the presets<br />

programmed into the machines.<br />

However, for those crucial points, for example,<br />

where cross-contamination could be an issue,<br />

changeovers with thorough cleaning can be<br />

accomplished in less than 15 minutes.<br />

Market-driven<br />

Maître Prunille’s new packing hall is a unique<br />

project in many ways, not least because <strong>of</strong><br />

checkweigher<br />

the close partnership in which <strong>Ishida</strong> has gone<br />

far beyond the role <strong>of</strong> a manufacturer and<br />

contributed packing expertise and ideas on<br />

matters such as overall concept, hall layout<br />

and infeed and elevator design. <strong>Ishida</strong> Integrated<br />

Solutions has worked closely with Maître<br />

Prunille’s technical management and with Poly<br />

Concept Inox, the other main supplier to the<br />

project.<br />

The thinking behind it has been driven by the<br />

market, specifically by the current and forecast<br />

needs <strong>of</strong> Maître Prunille’s many customers, who<br />

Frédéric Crispel sees as “…helping us to raise<br />

our game. Particularly our Anglo-Saxon<br />

customers who demand BRC or IFS certification.”<br />

6 7

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