1000-4000kg Payload Chip Resistant 7th Axis Robot Linear Track RLC Series The RLC1000, RLC2000 and RLC4000 chip resistant 7th axis robot linear track answer a specific problem: cells where metal chips, weld spatter and grinding dust settle on the rail. The rack and guideway are protected by reinforced covers and the drag chain is a closed type, so debris is kept out of the running surfaces. Payload ratings of 1000kg, 2000kg and 4000kg match the robots used in these cells, and