October 1990 PIGMENT AND RESIN TECHNOLOGY 13 Kremli n Kontour electrostatic finish for Ford Transit axles In the days of the Cortina, Capri and earlier models of the Kontour K2 hot electrostatic spray gun applying the air drying underbody protection coating. The conveyor then Escort, Ford Motor Company's Swansea plant used to be painting some 200 back axle units per hour as part of takes the coated axles through a 10ft long warm air Ford's underbody protection programme. To apply the chamber and they continue drying in a total of 20 coatings they used a large electrostatic bell booth minutes along the line. arrangement. Incorporating the latest technological advances in electrostatics and electronics, Kremlin states that the With the more complex Sierra axle components arriving for assembly at Swansea already painted, and Kontour K2 has several key advantages: versatility in Escorts being handled elsewhere, back axle coating is materials that can now be electrostatically sprayed, now confined to the units for the Ford Transit van. maximum electrostatic wrap-round, simplified mainten ance, superior atomisation, quality of finish, an automatic Approximately 50 Transit axles are now painted per voltage reduction safety cut-out when an earthed object hour. In addition, the Swansea plant, soon to be the home of a major Ford engine production plant, approaches the spray gun electrodes, plus a safety manufactures gear box components, brake discs, drums on/off switch on the gun. The 12v DC supply to activate and rear hubs for Escorts, Fiestas and Sierras. the electrostatic generator within the lightweight gun is fed to the handle by a small diameter, flexible cable and With this lower axle painting requirement, the replaces the traditional high voltage coaxial cable wit h a assembly and painting line was rearranged and the simple but safe connection. electrostatic bell unit replaced wit h the latest "state-of- the-art" hot manual electrostatic spray gun and on-line The electrostatic generator has no moving parts and water-wash booth. The electrostatic spray system there are very few component parts in the Kontour K2 chosen by Ford was the Kontour K2 from Kremlin Spray system as a whole. In consequence maintenance is Painting Equipment Ltd. The paint is supplied to the gun greatly reduced and dismantling and cleaning operations by a Kremlin 16:35 pump via the paint heater. are simplified. This was nearly two years ago and the production The easy to handle, lightweight and well balanced engineer responsible for the axle assembly and painting Kontour K2 spray gun has been ergonomically designed area, Mr Keith Faulkener, states that the Kontour K2 has to fit naturally in the operator's hand to give comfortable given trouble-free service with high efficiency in paint use. This is also aided by the power-assisted, easy to application. operate trigger. Details: Kremlin Spray Painting Equipment Ltd, 839 The assembled Transit axles pass through the water- Yeovil Road, Slough SL1 4JA. Tel: 0753 381143. wash booth on a power and free conveyor, with the In-dru m mixer viscous liquids Pump Engineering Ltd has introduced a new heavy-duty be used safely in hazardous areas. in-drum mixer for viscous liquids. The in-drum mixer is available in stainless steel or If mixing the contents of a drum is a problem, aluminium/steel. particularly if it has been standing for a time and the Details: Pump Engineering Ltd, Riverside Industrial contents have separated into layers, the only method of Estate, Littlehampton, West Sussex BN17 5DF. Tel: mixing may be to roll the drum around or empty into 0903 713989. another vessel and stir. The in-drum mixer solves this problem and saves time. When mixing is finished, built-in valves convert the Florstab UV-2 unit to a pump for emptying the drum. Even viscous liquids can be treated in the same way. Kromachem Ltd., formerly Floridienne UK Ltd., have The unit is similar in construction to an air-operated announced an addition to the Florstab UV range of in- piston pump but is modified with two discharge points, can viscosity stabilisers for UV coatings. Florstab UV-2 each with its own valve. New Clear is a low viscosity easy processing version of the white paste, Florstab UV-2. Testing has shown that The additional discharge point is a ring of holes below drum lid level. By closing the valve at the pump outlet this new stabiliser has improved efficiency and with and opening the valve at the mixer outlet, the bottom appropriate selection of pigments and initiators, it should be possible to achieve shelf lives of inks and layer in the drum is brought to the top of the drum—thus lacquer coatings at least 12 months at room temperature. mixing the contents. On closing the mixer valve and Details: Floridienne (UK) Ltd., Unit 10, Moor Park opening the pump valve, the pump them empties the drum. Industrial Centre, Tolpits Lane, Watford, Herts. WD1 8SP. Tel: 0923 223368. Another benefit is that as the unit is air operated it can
Pigment & Resin Technology – Emerald Publishing
Published: Oct 1, 1990
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