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CLEANER, GREENER BLADES AND VANES
Aqueous multi-stage system replaces trike process cleaning pre and post NDT
An aqueous ultrasonic cleaning system enabled Centrax Turbine Components Division, a leading manufacturer of gas turbine equipment, to remove a potentially-carcinogenic trichloroethylene (trike) machine from its production process while simultaneously improving cleaning quality.
Centrax, which supplies turbine manufacturers such as Honeywell,
Rolls-Royce and Volvo, installed a 5-stage plant to clean gas turbine blades and vanes undergoing non-destructive testing.
The Kerry ultrasonic cleaning system operates pre- and post-NDT, ensuring that components are free of shop soil before they receive a layer of penetrant dye, and then removing all traces of the dye once they have been checked for cracks under ultraviolet light.
Unlike the company's previous trike machine, Centrax's aqueous cleaning system eradicates all trace of solid particles from components, and is also much more effective when extracting residual dye from hollow parts.
Continuous Improvement Manager at Centrax, John Morgan, explained that all of the other cleaning methods he considered would have obliged Centrax to adopt special jigs on which to hang its components. "The Kerry Autotrans Mk 4 Major robotic transporter, which is adapted to accept both rectangular baskets and circular jigs, has allowed us to use our existing fixtures and has led to a dramatic reduction in manual handling time."
Having gone through an ultrasonic wash in M-Aero solution, components pass through two rinse stages, the first using town water, the second deionised. Excess liquid is then dealt with by a hot air dry, before a vacuum dry eliminates any moisture lingering in complex parts.
Achieving Compliance with the Solvent Emissions Directive (SED)
Do you need to replace trichloroethylene (trich, trike, TCE) or another CMR in your manufacturing process?
Go to our Ultrasonic FAQs page for more about trike replacement.
Free component trials
Whether your interest is in blast, wash or ultrasonic cleaning equipment, we offer FREE component trials, with no obligation to buy. To contact Guyson International, call on +44 (0)1756 799911, fax +44 (0)1756 790213, or email info@guyson.co.uk.
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