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Rotalink has released its miniature ovoid gearboxes in three build versions to suit performance requirements for the maximum number of applications for mechatronics assemblies.

The 310, 222 and 210 series gearboxes share the same pressed steel-and-zinc-plated casing with a nominal volume of less than 45mm x 29mm x 20mm deep with four-point face fixing, but the design construction is modified for progressively higher torque and duty.

The 310 features a spur and planetary gear arrangement in ultra-polymer materials and is capable of an output torque of more than 4Nm.

The 310 series is aimed at machine automation applications where optimum performance and miniaturisation are key design factors or where existing size restricted machine designs require higher dynamic performance or increased life vs duty.

The 310 has a 6mm diameter output shaft supported on twin ball race bearings and, in addition to its very high torque, is also a quiet performer, suiting the biomedical, theatre and vending equipment markets.

The mid-range 210 series also uses Rotalink’s combined spur and planetary output stage design in standard engineered polymer materials together with a 6mm diameter output shaft supported on twin ball race bearings for torque output up to 2.2Nm.

This gearbox offers performance for high-torque applications in pumps and valves, instruments and CCTV equipment.

The 222 series gearbox features an all-spur gear design in engineering polymers with a 4mm diameter stainless-steel output shaft mounted on sintered front and nylon rear bearings.

This gearbox is capable of delivering an output torque of up to 0.65Nm and will suit medium performance applications for small instruments, pumps and valves, timers, plus pan and tilt mechanisms for CCTV and the emerging IP camera markets.

Through the 310 and 210 series, a wide choice of standard ratios are available from 26:1 to 2794:1, while the 222 series offers ratios from 7:1 to 782:1.

Custom ratios, special shafts, wiring and connector options can also be adapted within the gearboxes and supplied along with ancillary products such as leadscrews, pulleys, clutches and encoders.

The 310, 222 and 210 series are part of a comprehensive Rotalink range, which includes ovoid, inline and planetary gearboxes to 28Nm, feedback devices, servo drives and motion controls, offered alongside AC, DC brushed, brushless or specialist motors for cost-optimised miniature power transmission solutions.

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