Finishing - January-February 2020

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40 AEROSPACEAre you settling forthe second best?For many high precision industries such asaerospace, medical, automotive anddefence, industrial parts cleaning plays acrucial role in quality assurance during theproduction process. Inadequate degreasingcan have a disruptive effect on manysubsequent processes. Nevertheless, we seefar too many companies using a suboptimalcleaning solution in their operations. There arevarious reasons behind this. Some businessessimply lack the knowledge and expertise tocompetently evaluate potential options. Othershave been relying on one particular methodfor so long that they are not aware ofalternative solutions. And in many cases, plantoperation managers have such deep-seatedmisconceptions about certain cleaningtechnology that they categorically rule outtheir use despite their proven cleaning quality.A case in point is solvent cleaning.Although solvents have long beenrecognised to be one of the most effectivecleaning agents, especially for highlyspecialised sectors, there is no shortage ofmyths surrounding their use. Commonmisunderstandings conclude that solventdegreasing is a dirty job; that it is bad for theenvironment or it is dangerous for workers.These beliefs are in fact nothing more thanmisconceived ideas. In particular, theunfounded fear about managing solvent riskand concerns about meeting health, safetyand environmental requirements has deterredcompanies from the use of solvents, andtherefore robbed them of the opportunity toreap the many tangible benefits solventcleaning delivers.Nowadays, solvent degreasing is wellestablished in fully closed cleaning systems.Perhaps surprising to most, its efficiency isoften superior to alternatives promoted as"more sustainable", since it does not requiresignificant energy for drying and no water isneeded in the process. Closed cleaningtechnology with internal solvent recoveryfurther reduces the amount of waste to berecycled, thereby lowering overall cleaningcosts. In addition, the supply, transport andstorage of solvent in safety systems enablessafe and responsible handling towards people,air, and soil as well as legal compliance. Withsufficient worker training and riskmanagement measures, handling solvent doesnot represent a risk factor any different thanother potential hazard in the workplace.When it comes to industrial parts cleaning,there is no one-size-fits-all approach. No onecleaning method would work universally. Ittakes a comprehensive evaluation to identifythe most suitable cleaning method wherenumerous factors must be carefullyconsidered, such as the types of metals andcontamination, degree of complexity ofcomponents to be cleaned, volume of parts,production oil used, regulations complianceand approved substances, to name just a few.Companies would be doing themselves ahuge disfavor if they immediately rule outestablished cleaning methods like solventcleaning without even taking an objectiveevaluation of its advantages and risks, and thebest approach to keep the balance.Optimal parts cleaning process goes farbeyond than just trying to achieve cleaningexcellence. With the right combination ofmachine technology, cleaning agent andapplication technology, the critical cleaningprocess can be transformed into a valueadding step that drive operational andresource efficiency as well as significant timeand cost savings – in short, competitive edgethat can directly impact the bottom line.The most important question remains: Isyour metal cleaning process a bottleneck inyour manufacturing or is it creating value foryour entire operation? And are you exploitingthe full potential of your parts cleaningprocess to propel your business forward – orare you just settling for the second-bestoption? It might be time for a proper rethink.Finishing - January/February 2020
NEWHigh voltage Holiday DetectorDetects holidays, pinholes and other discontinuities using pulse DCn Lightweight, ergonomic design reduces operator fatiguen Regulated pulse DC voltage output — ±5% accuracyn Industry-standard connectors and adaptors for compatibility with nearly all existing electrodesn Voltage calculator feature — choose one of 11 international standards, and input the coatingthickness to automatically calculate the required test voltagen Removable smart lithium-ion batteries provide long-lasting powert: 01442 879494www.dftinstruments.co.ukPlease comeand visit us atSurface World Exhibition at theNEC 18/19th March,Stand D9Choose from a wide range of rollingspring and wire brush electrodes— custom sizes availableDFT Instruments UK LTD16A Long Drive, Meadway, Berkhamsted, Herts HP4 2PNt: 01442 879494 f: 01442 879595www.dftinstruments.co.uk e: sales@dftinstruments.co.ukProud supplier of DeFelsko Inspection Instruments
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