In the field of heavy-duty industrial robots, the KUKA KR TITAN-2 ultra series is a core model designed for high load and large arm deployment scenarios. This series includes models such as KR 1000 R4200-2 F, KR 1250 R3700-2 F, KR 1500 R3200-2, and KR 1500 R3200-2 F. The rated load covers 1000 kg to 1500 kg, with a maximum load of 1858 kg and a maximum arm span of 4218 mm. For engineers in the stage of solution search and troubleshooting, mastering the assembly points, maintenance cycles, and common problem handling is the key to ensuring stable operation of the production line.
Product family and F variant positioning
The KR TITAN-2 ultra series are all 6-axis articulated arm robots, using light alloy and cast iron structures, equipped with AC servo motors and two sets of hydraulic and pneumatic balancing systems. Its repeated positioning accuracy is ± 0.08 mm, and the protection level generally reaches IP65. The wrist can reach IP65/IP67, suitable for harsh working conditions such as casting, handling, and machine tool loading and unloading.
Among them, the F variant is designed specifically for casting environments and has higher protection requirements. The F-variant wrist can withstand a short-term heat load of 180 ° C (10 seconds/minute) and is protected by special coating and additional varnish, providing stronger resistance to dust, lubricants, coolant, and water vapor. If corrosive media are present on site, the pH value should be controlled between 7.0 and 9.0. In addition, the F variant can be equipped with the PURGE positive pressure protection option, which applies a slight positive pressure to the arm to prevent pollutants from entering and maintain the protection level for a long time.
The basic data for each model is as follows: KR 1000 R4200-2 F weighs approximately 4750 kg and has a working envelope of 193.8 m ³; KR 1250 R3700-2 F weighs approximately 4820 kg and has a working envelope of 117.4 m ³; The KR 1500 R3200-2 and KR 1500 R3200-2 F weigh approximately 4640-4650 kg, with a working envelope of 79.6 m ³. All models use KR C5-2 or KR C5 controllers, with installation surface dimensions of 1422 mm × 1300 mm and a hollow base shaft A1 diameter of 151 mm.
Installation foundation: from concrete to frame
The installation foundation of heavy-duty robots directly determines their operational stability. TITAN-2 ultra offers two installation methods: mounting base C1300 and rack mounting.
The installation base C1300 weighs approximately 1051 kg and includes a base plate, chemical anchor bolts, and fasteners, suitable for direct fixation on concrete foundations. The concrete grade should be at least C20/25, and the minimum thickness of the foundation depends on the edge distance and reinforcement: about 180 mm without edge reinforcement, and about 200-250 mm with edge reinforcement. If there is an intermediate layer between the bottom plate and the concrete, the intermediate layer must be in full contact with a compressive strength of not less than 25 N/mm ².
The installation steps include: cleaning the foundation, lifting the base plate, leveling with 4 M30x90 leveling screws, marking the position, applying leveling compound, curing, drilling chemical anchor bolt holes and implanting. The chemical anchor bolt nut needs to be tightened to 60 Nm, and the annular gap must be filled with injected resin. Then install the positioning pin and M8x65 bolt, lift the robot and lower it vertically to avoid damaging the positioning pin. Finally, use 12 M30x90-8.8 hexagonal bolts with conical spring washers, and tighten diagonally alternately and step by step to the specified torque.
Rack installation is suitable for steel structures, booster frames, or KUKA linear units. The installation surface needs to be pre drilled with holes, fixed with 12 M30x90-8.8 hexagonal bolts and conical spring washers, and equipped with a cylindrical pin and a flat head pin for positioning. During lifting, it is also necessary to maintain verticality to prevent damage to the pins. Regardless of the method, stability is confirmed by the integrator or debugging personnel.
Cable connection and grounding
The connecting cable is responsible for the power and data transmission between the robot and the control cabinet. The interface A1 of TITAN-2 ultra is located at the rear of the base and includes two motor cables XD30 and XD30.1, data cable XF31, grounding conductor, and optional external shaft interfaces XG7.1/XG8.1.
The cable length can be selected from 7 m, 10 m, 14 m, 20 m, 25 m, 35 m, and 50 m, with a maximum of 50 m and a maximum of one extension allowed. When used dynamically, the minimum bending radius for motor cables is 150 mm, for data cables it is 60 mm, and the operating temperature range is -10 ° C to 55 ° C. Motor cables and data cables must be laid separately in metal cable trays to prevent electromagnetic interference. The cross-sectional area of the grounding conductor is 16 mm ², and both ends are equipped with M8 ring cable lugs with a tightening torque of 23.0 Nm. After the connection is completed, the equipotential bonding needs to be checked according to VDE 0100 and EN 60204-1.