Igubal spher­i­cal balls re­place metal­lic pil­low blocks and flange bear­ings

DEMM Engineering & Manufacturing - - PRODUCT WATCH -

Pil­low blocks and flange bear­ings are ex­posed to ex­treme loads such as dirt and dust. Be it in con­struc­tion ma­chines or con­veyor sys­tems for glass and clay prod­ucts. At the same time, ma­chine and plant op­er­a­tors must en­sure re­li­able lu­bri­ca­tion. With the new igus spher­i­cal balls made of the high- per­for­mance plas­tic iglidur J, cus­tomers can now rely on a lu­bri­ca­tion-free and main­te­nance-free solution that can be used in sec­onds.

Heavy dirt ac­cu­mu­la­tion, dust and chips - such con­di­tions are of­ten an ex­treme load for pil­low blocks and flange bear­ings. To en­sure that metal­lic bear­ings do not fail in these sce­nar­ios, they must be reg­u­larly ser­viced and lu­bri­cated. That is why the mo­tion plas­tics spe­cial­ist igus has spher­i­cal balls made from the high- per­for­mance plas­tic iglidur J in its prod­uct range. The spe­cial fea­ture of the ma­te­rial is that the bear­ing no longer needs to be lu­bri­cated and is there­fore main­te­nance-free. The nar­row igubal spher­i­cal balls come di­rectly from the in­jec­tion mould­ing process and can be in­serted into ex­ist­ing metal­lic pil­low block and flange bear­ing hous­ings within a few sec­onds. Another ad­van­tage is that due to the ab­sence of lu­bri­cant, dirt and im­pu­ri­ties can no longer ad­here to the bear­ings, which fur­ther min­imises wear. Thus, there is no long down­time of the ma­chines and plant.

The long ser­vice life of the igubal spher­i­cal balls has al­ready been proven in a biomass chip­per. Whereas the metal bear­ings on the con­veyor belt of the ma­chine had to be lu­bri­cated each month, the retro­fit­ted flange bear­ings with igubal spher­i­cal ball stayed wear-free for more than a year, with­out lu­bri­ca­tion and main­te­nance.

The spher­i­cal balls made of iglidur J are not only cost- ef­fec­tive, but also have a very low co­ef­fi­cient of fric­tion in dry op­er­a­tion. The ma­te­rial ab­sorbs only lit­tle mois­ture, so that the use of the spher­i­cal balls is also suit­able for out­door use. Due to the chem­i­cal re­sis­tance of the high- per­for­mance plas­tic, the use of ex­change­able spher­i­cal balls is also suit­able for use in chem­i­cally de­mand­ing ap­pli­ca­tions such as agri­cul­tural tech­nol­ogy. iglidur J dis­plays its ad­van­tages es­pe­cially in soft shafts. The igubal spher­i­cal balls are cur­rently avail­able in six di­men­sions for hous­ing num­ber 204-210. On re­quest, igus also man­u­fac­tures spher­i­cal balls made of other iglidur ma­te­ri­als.

Treotham New Zealand Ltd 09 278 6577 www.treotham.co.nz

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