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Date : March, 01 2010 Publication : SA Builder/ Bouer Page Number: 44-45

The abrasion testing machine will assist customers in complying with the new SouthAfrican Bureau of Standards abrasion requirements for concrete pavers CMA director, John CairnsAbrasion testing machineassists in com plying w it h

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Date:March,01,2010 Publication :SABuilder/BouerPage Number:44-45

Furthermore.Pan Mixers'abrasion testingmachinehas beenbuiltwith replaceable liners,as wellas safety guarding,whichprevents anypa n of an operator's bodyfrom makingcontactwith,or comingcloseto dangerous moving parts. Inaddition,the machine isbackedup by PMSA and isbuilt to lastmanyyears.Al l the componentsare machinedon Pan Mixers' inhousecomputernumerically controlled (CNC)machine.Cairnsadds thatalternate methodsof testing- suchas wire brushing - are inferior,as there are too manyvariables thatcould influence the amountof wearon apaving surface.By using steelballbearings,thesevariables are covered,andacomprehensive test result is achieved. Thecurrent standarddoesnot take abrasion into account."Prior to conducting research,itwa sthought thatapaver with ahighercompressive strength wouldofferbetterabrasionresistance properties.Thishas,however,provedto be incorrect - there isno relationshipbetweencompressive strength andabrasionresistance. Our charts showthateven ablock of59 MPacan have verypoor abrasionresistance, whileablock of only 25 MPacan have excellentabrasion resistance," notesCairns.He saysthatconcretepaving blocks thatare manufactured according to the new standard willprovidethe consumer with the meansofbeingable tocomparethe performance of the variouspavers on the marketwithmore accuracy.

"The new abrasionstandardis 'goodnews all round',as the industryhas beenpushing for higher standards for manyyears,"maintainsEbeling.Pan Mixers isAfrica's largestmanufacturerofconcrete block,brick and paving machinery,supplierof concretepumps,planetarypan mixers,concrete pipe machinery,moisturemeasuring systems,oxidedosing systems,kerbstone machinery,mixingplantsan dweigh batchingplants.The companyhas the facilitiesto manufacture high-qualityproductsdesignedto meet the requirements ofboth localand internationalmarkets.

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