good practices recoommended

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structures they are designing. Good industry practices recommended In order to mitigate corrosion in building services, good industry practices are recommended. Externally located air conditioning condenser units with copper or aluminium fins should be washed regularly with fresh water to ensure that deposited salts and grime are removed from metal surfaces susceptible to atmospheric corrosion. If metal surfaces are not well-protected with good paint coatings, then additional protection against corrosion should be applied to metal surfaces, for example, using aerosol-applied corrosion prevention compounds. Consideration should be given to coating fln-fan condensers with a good coating to insulate any dissimilar metal contacts, particularly if a damp environment prevails. Good-quality coatings should also be applied to the internal cabinet surfaces of heat pumps and air conditioners. A detailed understanding of water treatment requirements in a building, based upon water quality, equipment design, construction materials and operational practices, is essential to ensure cooling plant reliability. Effective water treatment servicing and monitoring programs designed to minimise corrosion, deposition, and microbial problems can have a positive impact on system performance which is important for cost-effective operation of H VAC plant. Les Boulton, Les Boulton & Associates Ltd, Materials and Corrosion Consultants, Auckland Go to www.demm.co.nz/ enquiry quote: D1S0532 BTRRTRLIGn L I M I T E D VACUUM LIFERS/JIB CRANES A complete range of lifting units for every application. > Steel/Aluminium Sheet > Cartons, boxes and sacks Finished Product SOLUTIONS FOR ALL YOUR LIFTING RFQUIREMFNTS Vacuum lifters-Jib Cranes-Electric Hoists-Spring balancers Tel 09 263 7725 FAX 09 262 0970 10 Oak Rd, Manukau City 2241 Email [email protected] Effective, intelligent and safe vacuum lifting Stratalign Limited are New Zealand sales and service agents for two brands of European Vacuum lifters. Vaculex Vacuum Systems from Sweden and Fezer Vacuum Lifters from Germany are both among the world leaders in their fields. Vacuum is increasingly being recognised as the ideal method of lifting almost any item in a safe, gentle and effective manner. Steel sheets, timber panels, glass, bags/sacks, cartons, drums, and every other conceivable item, airtight or porous, can be moved around the production area single handedly with ease. The wide range of vacuum and mechanical gripping tools offers application-oriented systems and individual handling solutions for different goods. Because no up/down buttons are required for the balance function, the user has prefect control of the handling process without any physical effort. This increases productivity and also helps to maintain employee's health. As a solution to a long standing challenge, Cabtec Ltd purchased a Fezer vacuum lifter from Stratalign, for processing sheets of board through a CNC machine. Prior to the purchase, the process had required manual handling, which in today's environment, is not a sustainable option. More than one option for this solution was investigated by Cabtec with the decision being a vacuum lifter as the winning choice. Cabtec's Peter Burgess recalls, "Vacuum lifter options were then investigated and an approach was made to Stratalign. Cabtec selected Stratalign as the winning supplier, based on their ability to provide the technical and professional advice, along with what Cabtec considered, a 'top quality product for a competitive price'. This great investment has served Cabtec well and we would recommend these very good quality lifters to any prospective buyer. The 'ease of operation' is facilitated by the very smooth running bearings and movement points, integral to this structurally sound piece of kit." Peter continues, "From the day the order was placed, the Stratalign team kept us updated with progress, to the day the machine was installed. The installation process was organised in such a way, by Stratalign, that it caused absolute minimal disruption to a very busy working environment during normal working hours." Fezer's range of units is broad. The VacuPowerlift tube lifters come with 5-150kg capacity and are suitable for steel, plastic, glass, sacks, cartoons, andfinishedproduct. VacuBoy lifters were designed for the horizontal transport, swiveling, and turning over of loads up to 2000kg, e.g. steel sheets/plates, aluminium sheets, glass. The VacuGiant is capable of horizontal transport up to 40 tonnes and swiveling up to 15 tonnes. The VacuCoil lifter handles paper and steel coils. The lifter series VacuPoro and VacuWood are suitable for porous workpieces and planks and gluelam beams respectively. Vaculex's tube lifters are designed for lifts between five and 200kg. Since the suction foot is always dimensioned in accordance with the vacuum lift tube, the user does not risk dropping lifted items that are too heavy. If the weight is too much, the tube lift will simply not lift the article. This reduces the risk of personal injury and damaged goods. • Go to www.demm.co.nz/enquiry quote: D120534 ÍENGINEERING& 34 ¡MANUFACTURING May 2012

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  • structures they are designing.

    Good industry practicesrecommended

    In order to mitigatecorrosion in building services,good industry practices arerecommended.

    Externally located airconditioning condenser unitswith copper or aluminiumfins should be washedregularly with fresh water toensure that deposited saltsand grime are removed frommetal surfaces susceptible toatmospheric corrosion.

    If metal surfaces are notwell-protected with goodpaint coatings, then additionalprotection against corrosionshould be applied to metalsurfaces, for example, usingaerosol-applied corrosionprevention compounds.

    Consideration should begiven to coating fln-fancondensers with a good coatingto insulate any dissimilar metal

    contacts, particularly if a dampenvironment prevails.

    Good-quality coatings shouldalso be applied to the internalcabinet surfaces of heat pumpsand air conditioners.

    A detailed understanding ofwater treatment requirementsin a building, based uponwater quality, equipmentdesign, construction materialsand operational practices, isessential to ensure coolingplant reliability.

    Effective water treatmentservicing and monitoringprograms designed to minimisecorrosion, deposition, andmicrobial problems canhave a positive impact onsystem performance which isimportant for cost-effectiveoperation of H VAC plant.

    Les Boulton, Les Boulton &Associates Ltd, Materials andCorrosion Consultants, Auckland Go to www.demm.co.nz/enquiry quote: D1S0532

    BTRRTRLIGnL I M I T E D

    VACUUM LIFERS/JIB CRANESA complete range of lifting units

    for every application.> Steel/Aluminium Sheet > Cartons, boxes and sacks Finished Product

    SOLUTIONS FOR ALL YOUR LIFTING RFQUIREMFNTSVacuum lifters-Jib Cranes-Electric Hoists-Spring balancers

    Tel 09 263 7725 FAX 09 262 097010 Oak Rd, Manukau City 2241 Email [email protected]

    Effective, intelligentand safe vacuum lifting

    Stratalign Limited are New Zealand sales and service agentsfor two brands of European Vacuum lifters. Vaculex VacuumSystems from Sweden and Fezer Vacuum Lifters fromGermany are both among the world leaders in their fields.Vacuum is increasingly being recognised as the ideal method oflifting almost any item in a safe, gentle and effective manner.Steel sheets, timber panels, glass, bags/sacks, cartons, drums,and every other conceivable item, airtight or porous, can bemoved around the production area single handedly with ease.The wide range of vacuum and mechanical gripping tools offersapplication-oriented systems and individual handling solutionsfor different goods. Because no up/down buttons are requiredfor the balance function, the user has prefect control of thehandling process without any physical effort. This increasesproductivity and also helps to maintain employee's health.

    As a solution to a long standing challenge, Cabtec Ltdpurchased a Fezer vacuum lifter from Stratalign, for processingsheets of board through a CNC machine. Prior to the purchase,the process had required manual handling, which in today'senvironment, is not a sustainable option. More than one optionfor this solution was investigated by Cabtec with the decisionbeing a vacuum lifter as the winning choice. Cabtec's PeterBurgess recalls, "Vacuum lifter options were then investigatedand an approach was made to Stratalign. Cabtec selectedStratalign as the winning supplier, based on their ability toprovide the technical and professional advice, along with whatCabtec considered, a 'top quality product for a competitiveprice'. This great investment has served Cabtec well andwe would recommend these very good quality lifters to anyprospective buyer. The 'ease of operation' is facilitated by thevery smooth running bearings and movement points, integral tothis structurally sound piece of kit." Peter continues, "From theday the order was placed, the Stratalign team kept us updatedwith progress, to the day the machine was installed. Theinstallation process was organised in such a way, by Stratalign,that it caused absolute minimal disruption to a very busyworking environment during normal working hours."

    Fezer's range of units is broad. The VacuPowerlift tube lifterscome with 5-150kg capacity and are suitable for steel, plastic,glass, sacks, cartoons, and finished product. VacuBoy lifterswere designed for the horizontal transport, swiveling, andturning over of loads up to 2000kg, e.g. steel sheets/plates,aluminium sheets, glass. The VacuGiant is capable of horizontaltransport up to 40 tonnes and swiveling up to 15 tonnes. TheVacuCoil lifter handles paper and steel coils. The lifter seriesVacuPoro and VacuWood are suitable for porous workpiecesand planks and gluelam beams respectively.

    Vaculex's tube lifters are designed for lifts between fiveand 200kg. Since the suction foot is always dimensioned inaccordance with the vacuum lift tube, the user does not riskdropping lifted items that are too heavy. If the weight is toomuch, the tube lift will simply not lift the article. This reducesthe risk of personal injury and damaged goods. Go to www.demm.co.nz/enquiry quote: D120534

    ENGINEERING&3 4 MANUFACTURING May 2012

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