TechArchive

Original article date: March 1996 Harry Pettersson Manager for UPS Systems for Fiskars Power Systems looks at power support issues for computers and other sensitive electronic equipment. The standard mains supply is subject to fluctuations voltage transients sags and surges as well as various other types of interruptions including total failure or blackouts. The supplying [...]

Original article date: September 1997 Lubricant contamination is a frequent hazard to bearing life in automotive transmissions. One answer to the problem is to use “Sealed Clean” bearings, which employ dynamic rubber seals to exclude significant contamination from transmission bearings, while allowing oil to enter. However, there are many roller bearing applications where it is [...]

Original article date: July 1998 The Labfacility range of temperature sensing devices includes thermocouples and platinum resistance thermometers (PRTs). So which should you use and when we asked? As a general rule thermocouples are less expensive than PRT sensors more versatile less accurate more rugged more sensitive have a wider operating range are tip sensitive [...]

Original article date: September 1998 The guarding of machines and the associated solutions even those employing safety light curtains or light grids are getting not only European but now global attention says Dipl.-Ing. HEINZ SCHREYER Marketing Manager for Leuze Lumiflex in Munich. Originally only heavy and expensive safety light curtains were available. As a consequence [...]

Original article date: February 1998 There are more suppliers and more components to choose from every year. Alan Quinn and David Norris look at the current aluminium profile systems for machine building Almost every year in our surveys of aluminium framework based machine building systems there have been another couple of suppliers to add to [...]

Original article date: May 1998 Developing a better alternative than IGES for translating data between CAD systems seems to have taken an age. Will STEP be outgrown before it is widely implemented? Alan Quinn and Jaime Peters interpret the current developments and applications. Object Linking and Embedding (OLE) is now taken for granted by users [...]

This article was originally written in the period 1995-2000 NSK-RHP’s Sealed Clean bearings have been developed which have special rubber seals on both sides to help them last longer than standard bearings. Using a pioneering stress analysis method, NSK-RHP has been able to determine that the premature flaking failures of ball bearings used in the [...]

This article was originally written in the period 1995-2000 Increased reliance by industry on instrumentation has led in turn to greater demand for purpose-built protective enclosures. Instruments are valuable items of equipment causing severe repercussions should they fail – particularly when installed in large numbers – upwards of 100 enclosures may be installed on a [...]

This article was originally written in the period 1995-2000 If you want to put a computer in a tough environment, an ordinary PC in an enclosure has several advantages over an ‘industrial PC’, says LUIS PRTAK of Intek Electronics There’s a lot to be said for putting computers on the shop floor. They can be [...]

Original article date: March 1995 Vickers has released a complete and free guide to optimum fluid cleanliness in hydraulic systems – and the consequences of getting it Fluid power is one of the most reliable g and repeatable forms of power and motion control. But when problems are encountered 80 of the time they are [...]