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In Bangalore and many other Indian cities, motorised taxi rickshaws are fitted with lubricant-free polymer bearings from Igus, to provide a smooth ride with no maintenance necessary.

These are used as main hub bearings on the anti-dive device, as well as at other bearing points.

The three-wheeled vehicles have a special mechanism that prevents falling over during braking.

This anti-dive device is a connection mechanism with four rods.

The main hub at this connection is guided by an iglidur RN56 self-lubricating bearing.

The load on the bearing is the load of the vehicle in addition to the weight of the passengers and the inertia forces, building up to around three tonnes in total, with a pivoting motion.

Previously, a bronze bushing with lubrication grooves and punched holes with graphite filling at the edge were being used.

The drivers reported that lubrication regularly failed, which meant the bearings wore out quickly and the clearance increased.

Other problems prevalent were loud noises, heavy juddering of the handlebars or even tilting of the rickshaw during braking.

With Igus’ lubricant-free polymer bearings, these problems are a thing of the past.

Igus

Igus is the largest producer of reinforced plastic energy chains and injection-moulded polymer bearings. The range of polymer bearings includes Iglidur plain, Igubal spherical and Drylin linear bearings. They offer an excellent price-to-life relationship and are developed under the toughest conditions. They are oil, maintenance and lubrication free, low wear, resistant to dirt and dust, corrosion free and simple to fit. Igus also has the data to precisely predict the lifetime of these bearings within a specific application.

Igus is the largest producer of reinforced plastic energy chains and injection-moulded polymer bearings. The range of polymer bearings includes Iglidur plain, Igubal spherical and Drylin linear bearings. They offer an excellent price-to-life relationship and are developed under the toughest conditions. They are oil, maintenance and lubrication free, low wear, resistant to dirt and dust, corrosion free and simple to fit. Igus also has the data to precisely predict the lifetime of these bearings within a specific application.

Energy chains are the umbilical cord of modern machines. They minimise downtime and protect, support and extend the service life of cables and hoses. The broad range incorporates more than 30,000 innovative, low-cost products. From the smallest ‘micro’ chain to the largest chain in the world, the E4.350, Igus energy chains are capable of long and short travel distances at high speeds in all axes.

Igus also has its own cable series, Chainflex, specially designed with energy chains in mind. They are highly flexible cables, offering a long service life and very small bending radii. A wide range is available, from small signal cables to large power cables, high-speed data cables and glass fibre-optic cables.

The company’s energy chains and Chainlflex cables can be delivered as a fully harnessed and pre-assembled Readychain system, cutting purchasing, warehousing and installation costs.

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