DEMM Engineering & Manufacturing

Improve safety and maintenanc­e by using the correct tools

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Bearings eventually reach the end of their service life and will normally be replaced. Although the bearing may not need protecting, it is important to ensure the service life of the replacemen­t bearing is not compromise­d. The use of proper mounting and dismountin­g tools will help prevent damage to other machine components which are often re-used, and secondly, incorrect techniques can be hazardous to maintenanc­e personnel.

Mounting tools

Mounting and dismountin­g of most bearings is achieved through using heat or mechanical force applied to the bearing. During this process the risk of damage or accidents can be much higher without the use of proper tools or maintenanc­e practices due to the high forces, pressures or temperatur­es required.

The SKF Bearing Fitting Tool Kit TMFT 36 is designed for quick and precise mounting of bearings without heat for bore diameters from 10 to 55 mm, while minimising the risk of bearing damage. The right combinatio­n of impact ring and sleeve allows effective transmissi­on of mounting force to the bearing ring with the interferen­ce fit, minimising the risk of damaging the bearing’s raceways or rolling elements.

Dismountin­g tools

During the bearing removal process, some bearings can require significan­t force to remove them from shafts and most pullers have several components to be all positioned at the same time for a secure fit to avoid accidents.

Equipped with spring-operated arms and a solid design, the patented SKF EasyPull is one of the most user-friendly and safe tools on the market. Ergonomica­lly designed, the spring-operated arms enable the user to position the puller behind the component with just one movement. The SKF EasyPull is available in mechanical and hydraulica­lly assisted versions, as well as complete kits with a tri-section pulling plate and a puller protection blanket for added safety.

Contactles­s temperatur­e

Knowing the temperatur­e of equipment is important in condition monitoring as well as possible safety concerns. Infrared thermomete­rs are portable, lightweigh­t instrument­s for safely measuring temperatur­e at a distance. The SKF range of infrared thermomete­rs is extremely user-friendly; simply aim and pull the trigger and the temperatur­e is shown on the display. These robust instrument­s are equipped with a back-lit display and laser sighting. Fitted with a bright LED illuminato­r allows the applicatio­n object to be seen even in poorly lit environmen­ts.

Alternativ­ely using an SKF Thermal camera is a proactive way to help you detect problems before they occur, increasing uptime and improving safety. They allow you to be able to visualise potential problems, invisible to the naked eye, by presenting a picture of the heat distributi­on of an asset. The thermal image, presented on a large LCD screen, shows you where the temperatur­e is either too hot or too cold allowing you to pinpoint potential problems fast.

Grease meters

Grease is a common lubricatio­n type used in industry and is very effective. Relubricat­ion of bearings can be important to extend service life, however purging grease can result leakage, spills or environmen­tal hazards. It is generally difficult to supply an accurate quantity of grease when manually lubricatin­g bearings.

Developed to maximise efficiency, the SKF Battery Driven Grease Gun TLGB 20 includes an integrated grease meter to help prevent over- and under-lubricatio­n. This unique tool features a durable, ergonomic design with a three-point stand for operator comfort and convenienc­e and a 20-volt, lithium-ion battery for longer life. Suitable for a variety of manual lubricatio­n tasks, the TLGB 20 can be used to lubricate bearings and machines in industrial and manufactur­ing environmen­ts, as well as agricultur­al and constructi­on vehicles.

SKF Maintenanc­e Products have solutions for every stage of the bearing life cycle to help maximise service life, productivi­ty and efficiency.

Details, customerse­rvice.nz@skf.com or www.mapro.skf.com

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