Automation Parts

Parker-Origa Protects Drives Against Sticky Fluids Parker-Origa has developed the Clean Design system, which protects linear drives from sugary and sticky fluids present in food manufacturing and other process lines. The Clean Design system protects linear drives - including associated guides, sensors and travel-measurement systems - in a modular, stainless-steel housing sealed to IP64. The resulting drive is ideal for use where intensive washdowns are frequent and in damp, dusty and otherwise challenging environments. Key to the effectiveness of the Clean Design system is the longitudinal-seal along the stroke. A driven element passing through the seal provides the connection between the linear drive and the customer's equipment. The design and layout of the seal is such that fluids run off the outer lip of the seal and do not penetrate inside. The lips of the seal are made from low-wear material and, if necessary, can be changed simply, without the need for assembly aids. The...

Renold Couplings Protect Against Eddy Currents The Renold Hi-Tec coupling range of rubber in compression couplings protects the bearings of large rotating machines from eddy current damage. Eddy currents pose a problem in rotating machinery. The larger the machine and the higher its rotating speed, the stronger these currents become. The resulting eddy currents can cause extreme damage to both sleeve and rolling element bearings. In some extreme cases, they can even cause the bearings to weld together. The high rubber content of the Renold couplings combine with the no metal-to-metal contact of the two coupling halves, which effectively insulates the motor from the driven machine. This ensures that damaging shaft currents are not allowed to flow from the motor to the bearings of the driven machine and effectively safe guards against a costly repair and failures. Machines that are most affected by eddy current damage to bearings are: fans, compressors, turbines and pumps. However,...