Tender For Supply Of “6-Axis Articulated Robot”., Bangalore-Karnataka

Tender For Supply Of “6-Axis Articulated Robot”. 1.0 Specifications of the robot 1.1 Arm type: Articulated. 1.2 Number of axes: six. 1.3 Robot wrist (4, 5, and 6 axes): Thermally coated with suitable material to withstand the welding preheat and inter-pass temperatures of 3500C or more. 1.4 Payload: 16 kg or more (20 kg preferred). 1.5 Supplementary load on robot arm: 20 kg or more (at base unit/Joint 1) and 15 kg or more (at arm/ Joint 3). 1.6 Pose repeatability = ± 0.05 mm or better. 1.7 Minimum axes range (minimum speed) required Joint 1: +185 deg / -185 deg (190 deg/s) or better Joint 2: -185 deg / +65 deg (170 deg/s) or better Joint 3: -135 deg/ +175 deg (170 deg/s) or better Joint 4: +350 deg/ -350 deg (350 deg/s) or better Joint 5: -120/ +120 deg (350 deg/s) or better Joint 6: +350/ -350 deg (540 deg/s) or better. 1.8 Maximum reach: 1600 mm or more. 1.9 Mounting position: Floor. 1.10 Noise level: 80 db or less. 1.11 Motor: AC Servo Motor for all 6 axes. 1.12 External drive: Provision for external drive addition in controller. 1.13 Ambient temperature: 100 C to 450 C 1.14 Brakes: Electrical/ Mechanical brakes in all axes. 2.0 Controller 2.1 Drive system: AC servo drive. 2.2 Number of controlled axes: 6 Axes. 2.3 Provision for additional axes: Minimum 2 numbers. 2.4 Processor: Multi processor system preferably with PCI bus. 2.5 Operating system: Well proven real time operating system. 2.6 Programming language: User friendly programming through teach pendant and robot programming language. 2.7 Program memory capacity: Flash disk for mass memory at least 1 MB, expansion and additional back-up facility will be preferred. 2.8 External storage: SD/PCMCIA card slot or RW CD/ DVD drive. 2.9 Other requirements: • USB memory interface. • Energy back-up power failure handling. Provision for connecting to external keyboard and external monitor display. 2.10 External Interfaces: Device net/ Profibus/ Interbus/ Ethernet. 2.11 Number of I /0 points as provision: Minimum 256 digital inputs and 256 digital outputs (should be expandable). 2.12 Communication Ports: RS 232 / RS 485 / Ethernet port. 2.13 Protection: IP 54 or better. 2.14 Input voltage: 415V +/- 10%, AC 3 phase 3.0 Operator’s panel (Teach pendent) 3.1 Cable length (from teach pendent to controller): 8m and above. 3.2 Basic switches: Lockable emergency, reset, power On/Off, mode selector, and other functional keys as required, Joystick/6D Mouse for robot axes moment. 3.3 Visual Display: At least 8 or larger color LCD screen on teach pendent. 3.4 Hot pluggable provision for teach pendant. 4.0 Software 4.1 Welding technology software: Robot OEMs arc welding technology package for multi-pass, continuous welding to generate arc welding programs by defining process parameters such as torch angle, work angle, push/ drag and spin angles, seam and weave data, wire feed, velocity, speed, current, voltage, etc. 4.2 Two IISc students/technical staff/project staff should be trained on all the above-mentioned softwares and related programing, and the welding cell operation for four days, till the engineers gain the confidence. The training program should also include fabrication of components using wire arc additive manufacturing (WAAM). Training on the tasks mentioned below must be covered: • Generating the robot program. Uploading the developed robot program into robot control so that the robot can fabricate the component automatically without supervision. 4.3 It is mandatory for the vendor to arrange their trainers visit to IISc Bangalore in person, two months and four months after the commissioning of the robot integrated with the welding equipment. The trainer needs to interact with the designated operators (trained during the initial installation and commissioning period) at IISc Bangalore and clarify their doubts and any problems in using the hardware, software, and related programming. 5.0 Mastering of all axes of robot: Electronic Mastering provision for all the axis of robot. 6.0 Preferred make: KUKA, ABB, FANUC. 7.0 Consumables: Need to supply the consumables necessary for the trouble-free operation of the robot. 8.0 Warranty: Three years warranty for all the above-mentioned items for the smooth and trouble-free working after installation and commissioning. 9.0 Any other accessories or software’s necessary (other than mentioned above) for the proper installation and commissioning of the welding robot as well as for its hassle-free functioning, also need be supplied by the vendor. 10.0 It is the duty of the vendor to perform the integrating operation between the robot and the welding system, finally providing the system in working condition. 11.0 There must be the an option to add additional axes via synchronized positioners at a later date.

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