RKG0008 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKG0008 is a ready-made encoder cable from the RKG Encoder Cables series. It measures 3.0 meters in length, features 8 cores, and comes with AEH0008 and RGS0007 connectors. This basic model supports 5,000,000 bending cycles and has a dynamic bending radius of 7.5 times the diameter.
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Product Description:
The RKG0008 is an encoder feedback cable produced by Bosch Rexroth Indramat for the RKG Encoder Cables series. This preassembled lead links machine encoders to drive controllers, carrying differential position signals and power conductors so the automation system can monitor motion axes in real time. Its terminated connections reduce wiring time and help maintain signal integrity in dynamic gantries, pick-and-place modules, and other installations that rely on continuous position feedback. The molded terminations also provide a consistent interface between compatible feedback devices and drive hardware.
The cable has a flex life of 5,000,000 bending cycles, indicating how many movements the sheath and conductors can withstand before reaching their rated fatigue limit. Its overall length is 3.0 m, providing sufficient reach for cabinet-to-motor runs without excess slack that could snag in cable carriers. Inside the jacket, 8 individual cores carry differential encoder channels, reference voltage, and shield connections. Supplied as a ready-made assembly, the cable has factory-crimped ends that reduce field-wiring errors. During motion, a dynamic bending radius of 7.5 × D must be maintained to limit strain on the conductors while the axis is cycling. This requirement allows the cable to move repeatedly without placing excessive stress on the internal wiring or outer jacket.
When the machine is stationary, the cable can be routed with a minimum bending radius of 5 × D, allowing tighter cabinet layouts without overstressing the copper conductors. The encoder-side signal connection uses an AEH0008 connector, while the drive-controller end uses an RGS0007 connector. Both molded plugs incorporate metal shells for electromagnetic interference shielding and keyed inserts that help prevent incorrect mating. The assembly uses the Basic cable model, which omits additional drag-chain reinforcement while retaining abrasion resistance, oil resistance, and temperature stability for normal industrial operation. Proper routing should prevent sharp bends, pinching, and contact with moving machine components that could damage the jacket or interfere with signal transmission.
