A horizontal Laboratory Bead Mill that is compact, robust and reliable A new compact and robust horizontal BEAD MILL system which provides optimum versatility for a wide range of laboratory dispersion tasks has been introduced by FULLBROOK SYSTEMS, specialist suppliers of instrumentation for paint, printing, chemical and pharmaceutical applications. The innovative DISPERMAT® SL-B is for fine grinding batch sizes from 150 to 750 ml and features an integrated mill base circulation system which means there are no external pumps to clean and speed control which is infinitely adjustable from 0 to 6000 rpm. This new model utilises an integrated pneumatic press-out system which means that the mill base is pressed out to ensure that the dispersed product can be almost completely regained with minimal wastage. The product sample is conveyed through the horizontal milling chamber with minimal clearance volume by a spiral conveyor which is connected to the milling rotor while the separation of the mill base is made by a dynamic gap. The robust and reliable Dispermat SL-B features a wear-resistant stainless steel milling chamber and a milling rotor made of hardened nitride steel. Shaft sealing is provided by a mechanical seal with integrated pressure system and cooling. The speed and timer controls are contained in separate stainless steel housing with a clear, easy-to-read digital display. An explosion proof ATEX approved version is also available. Further details available from: Fullbrook Systems Ltd, Hemel Hempstead, UK. Tel: +44 (0) 1442 876777 Email: [email protected] www.fullbrooksytems.com
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Oxfordshire-based Chiltern Connections is a provider of conformal coating machines and associated solutions for a wide range of industrial customers. Applications for its coating machines are generally highly specialised. For example, they are used to coat PCBs (printed circuit boards) as a means of preventing corrosion or protecting these important components from various environmental challenges and thereby helping to extend their working life. The services it offers include: sub-contracting, providing a range of coating materials, machinery for production lines, training and consultancy. Viscosity control is an essential part of the coating process and as a leading supplier of specialist analytical instrumentation and equipment, including Brookfield Ametek Viscometers, Fullbrook Systems has made an important contribution in helping Chiltern Connections to improve the reliability of their coating machines. Viscosity control is an essential part of the coating process. For example, measuring viscosity consistently and reliably to a resolution of 1cP is an example of the quality-control standards required by the end-user and underlines the importance of the role of the viscometer to the overall performance of the coating machines. Reliability had been an issue with the original in-house design of viscometer previously used in Chiltern Connections coating machines. As a result, the decision was taken to source a commercially available viscometer, preferably with as few moving parts as possible so the objective of improving reliability and reducing unscheduled service call-outs, could be achieved. As a result of discussions with various suppliers, Chiltern Connections selected Fullbrook Systems as it offered a more cost-effective solution with the Brookfield Ametek AST 100 Viscometer, combined with a fast and positive response to their requirements. Following trials to establish the suitability of the AST 100 viscometer for its coating machines, Chiltern Connections placed an immediate order for a Brookfield AST 100, followed by an order for another two in 2015. The AST 100 provides direct, in-line viscosity measurement in a range of 2-12500 (cP or equivalent cup-seconds) and with a repeatability of ± 1 per cent of the reading. Among the key features of the AST 100 appreciated by Chiltern Connections are: a rugged 316 stainless steel construction, no moving parts to wear, bind or contact with process materials, hence its high reliability and ease of maintenance. It is also easy to install and can be cleaned-in-place. Bob Speirs, engineering manager at Chiltern Connections said: “The biggest benefit has been reliability. Apart from one unit with a small electronics issue which Fullbrook Systems replaced quickly once we had described the fault, there have been no failures in service. As reliability had been our primary concern we are delighted with the performance. We especially like the easy mechanical and electrical interfacing into our systems and the integrated temperature probe." |
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