According to their design they can be hori-zontal or vertical for extruded profiles, onlyhorizontal for sheets and accessories.

Flexibility:• Possibility of anodizing extruded profi-

les, sheets and accessories • Possibility of using different clamping

systems and optimizing racking times• Easy change of lay-out of tanks with pos-

sibility of expansion

Initial investment:• Lower cost than vertical plants

Environment:• Max 25% of the drag-out compared to

horizontal plants • Good recycling possibilities

High quality • Uniformity of layer thickness distribution • Optimum rinsing efficiency • Automatic chemical replenishment and

correction 24 hours/day

High Productivity • Fast clamping at only one edge of the

profile • Less floor space • Automatic process by means of PC con-

trol

Cost control • Low man-hour cost

For both horizontal and vertical it ispossible to choose three lay-outs:

• One way anodizing: This line has theadvantage of having the loading andunloading area from the same side fortop efficiency of the staff involved andforesees a large parking area and easyreturn of anodic bars.

• In-line anodizing: This line has theadvantage of simple design and relati-vely small room needed.

• “U” shape anodizing: This line has theadvantage of easy material flow

1. Tanks: they are made of steel or stain-less steel, suitably lined with soft PVC orcompletely made of Polypropylene, 15-20 mm. thick and suitably stiffened withsteel or stainless steel sections. The steelsurfaces are sand-blasted and finishedwith acid-proof epoxy paint. Tanks forvertical anodizing plants are usuallymade of concrete and lined with suita-ble material (like polypropylene or pol-yethylene).

2. Machinery: they are housed in separa-ted rooms to protect them from corrosi-ve fumes, with easy access for mainte-nance

3. Complete fume exhaust systems:suction directly over tanks with hoodscapable of guaranteeing an internalatmosphere free from harmful and cor-rosive fumes.

HORIZONTAL OR VERTICALANODIZING PLANTS

HORIZONTAL PLANT

VERTICAL PLANTMAIN FEATURES FOR ADVANCED ANODIZING PLANTS

E n g i n e e r i n g D i v i s i o nEngineering Division Plants

Anodizing

Possibility to add neutralising towers(scrubbers) for expulsion of fumes/gastreated to guarantee conformity withlocal environmental regulations gover-ning emissions.

4. Bridge cranes: they are designed toprovide all transfer (handling) and cor-rect draining procedures within thetimes required and are suitable for ope-ration in manual or fully automaticmode (the latter when combined withcomputerized systems). Semi-automaticsystems are also available.Loading and unloading designed forthe maximum comfort of the workersand for automatic working

5. Air agitation: it maintains a constanttemperature within the bath. Air agita-tion is carried out by low-pressure blowerswhich blow chilled air across the treat-ment and rinsing tanks through a perfo-rated PVC or Polypropylene tube held atthe bottom of the anodizing tank.

6. Pulse rectifiers: they are designed inaccordance with the latest technologiesto provide:

- Better quality and more uniform oxide- Reduction of 20-30% of anodizing

times- Energy saving of 5-7%- Remote control panel with computer

for presetting the oxide thicknessrequired.

7. Cooling systems:- Pre-assembled modules with plate-

type heat exchanger and acid resistantpumps (stainless steel) complete withdigital thermo-regulation unit.

- Pre-assembled accumulation tank forchilled water, with circulation pumps.

- Refrigerating unit with air or watercondensation depending on climaticconditions on site.

8. FREEAL recycling: it is a regeneration

system for sulphuric acid of anodizingtanks with removal of aluminium sul-phate. Fully automatic system on one ormore tanks controlled by PLC. Fully automatic regeneration cycle withtap water.

9. TECNO 4: it is a special computerizedpower supply for electro-pigmentationwith DC-AC waveform: simple program-ming allows the achievement of com-pletely uniform colouring even withlarge loads (equivalent to maximumcapacity of rectifiers).

10. Auxiliary equipment for electro-colou-ring tank: they are recommended inview of the high output, which can beobtained with TECNO 4 power supply.

- Filtering and heat regulation unit withplate type heat exchanger.

- Mixing system with automatic mete-ring of chemicals controlled by ampe-re hour meter.

11. Multicolour: it is an innovative electro-colouring technology for the produc-tion of new colours for architecturaland decorative applications.

12. Auxiliary equipment for sealing tanks:Pre-assembled unit consisting of filterpump and mixing system with automa-tic metering of chemicals controlled bymetering pump programmed on thebasis of daily out-put.

13. Demineralizing units: automatic ormanual, single or DUPLEX units (one inoperation and one in stand-by).

14. Tanks heating system: it is provided bylow pressure steam generators and hea-ting coils. Electrical heating coils arealso available.

15. Waste water treatment plants: they areplants for treatment of waste water andconcentrates, mud thickening system,

Engineering Division PlantsE n g i n e e r i n g D i v i s i o n

Automatic one way anodizing line

Horizontal line

Engineering Division Plants E n g i n e e r i n g D i v i s i o n

Engineering Division Plants

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Horizontal one way plant lay-out

E n g i n e e r i n g D i v i s i o n

final filtering with possibility of recy-cling up to 70% of the treated water.Our treatment plants fully respect theenvironmental regulations in force.

16. Brushing machine with stainless steelbrushes: it is designed for mechanicalpre-treatment of the profiles, fullyhydraulic unit with water lubrication.Advantages:

- Elimination of slight defects andextrusion lines

- Scotch-Brite finishing (linear satinfinish)

- Reduction of 50-80% in chemicalsatin-finishing times and caustic sodaconsumption

- Reduction of aluminium waste

17. SATMAC machine: it is designed for amechanical finish similar to the oneobtained chemically in etching baths in10-20 minutes.

18. Packing systems: conventional or fullyautomatic with final weighing.

19. Main control board for the powersupply of the different machines com-posing the anodizing plant.

20. Computerized system for plant mana-gement: main part is the software pac-kage suitable for storage of the produc-tion data (treatment time-surface trea-ted per load (m2)-Oxide thickness) andfor the automatic control of the whole

In-line anodizing plant

Horizontal line

Engineering Division Plants E n g i n e e r i n g D i v i s i o n

Engineering Division Plants

Horizontal in line plant lay-out

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FP

CarcaÁa 71

CarcaÁa 71

CarcaÁa 71

CarcaÁa 71

CarcaÁa 71

CarcaÁa 71

CarcaÁa 71

CarcaÁa 71

Carca

Áa 71

Carca

Áa 71

Carca

Áa 71

Carca

Áa 71

Carca

Áa 71

Carca

Áa 71

AD

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AISI 3

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AISI 3

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pompa di ricircolo

pompa di ricircolo

pompa di ricircolo

pompa di ricircolo

pompa di ricircolo

pompa di ricircolo

SG

WSC

AW

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AG

AG

FF

DA

GE

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CB

CB

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BR

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Horizontal U shape plant lay-out

Engineering Division Plants E n g i n e e r i n g D i v i s i o n

The design and technologies described, combi-ned with the chemicals specifically developed byITALTECNO, guarantee results which comply toEuropean and international standards; theyhave also been developed with the aim of pro-viding top efficiency, energy and water savingsand complete respect for the environmentaccording to the most severe law limits.

Engineering Division Plants

plant (crane movements, start-stop ofrectifiers, automatic dosing of chemi-cals). Possibility of plant-alarm mana-gement.Automatic dosing system for chemicaladdition (ACD). On line InternetAnodizing system technical service (IAS).

21. Chemical laboratory for analysis ofbaths and quality control.

ITALTECNOVia Marinuzzi, 38 - 41100 Modena (Italy) - Tel. +39 059 280362 - Fax +39 059 280462Internet: http://www.italtecno.com - E-mail: info@italtecno.com

E n g i n e e r i n g D i v i s i o n

Vertical anodizing plant