Oh no! Where's the JavaScript?
Your Web browser does not have JavaScript enabled or does not support JavaScript. Please enable JavaScript on your Web browser to properly view this Web site, or upgrade to a Web browser that does support JavaScript.

Robotics

Robotics
81 posts | Last Activity on 12-12-2025 12:28 by Kevin
K
Kevin 12-12-2025 12:28, 1 month ago
Re: Real cost of maintaining a robot arm after installation?
user: planttech · 29 days ago We spend around ₹1.2–1.5 lakh/year per robot for preventive maintenance on FANUC arms. Biggest cost is servo motor replacement if overused.
K
Kevin 12-12-2025 12:28, 1 month ago
Re: Real cost of maintaining a robot arm after installation?
Sales teams always push capex numbers, but what about annual maintenance? Spare parts? Teach pendant lifespan? Grease? Motors?
K
Kevin 12-12-2025 12:27, 1 month ago
Re: Choosing between LiDAR vs Vision for SLAM robots?
user: priyank_robot · 22 days ago For research projects, use both. For commercial product, LiDAR is less headache.
K
Kevin 12-12-2025 12:27, 1 month ago
Re: Choosing between LiDAR vs Vision for SLAM robots?
user: visiongeek · 23 days ago Depth cameras struggle on shiny floors or glass walls. LiDAR doesn’t care about that.
K
Kevin 12-12-2025 12:26, 1 month ago
Re: Choosing between LiDAR vs Vision for SLAM robots?
user: navlab · 25 days ago 2D LiDAR still king for stable indoor mapping. Vision is good but requires strong lighting conditions.
K
Kevin 12-12-2025 12:26, 1 month ago
Re: Choosing between LiDAR vs Vision for SLAM robots?
I'm building a prototype indoor robot. Stuck between using 2D LiDAR (Hokuyo) vs depth camera (Intel RealSense). What’s more reliable long-term?
K
Kevin 12-12-2025 12:26, 1 month ago
Re: Collaborative Robots (Cobots) – Are they really safe out of the box?
user: malay_engineer · 18 days ago Main risk is not robot speed, it's the gripper design. People forget grippers can pinch/crush even if robot moves slow.
K
Kevin 12-12-2025 12:25, 1 month ago
Re: Collaborative Robots (Cobots) – Are they really safe out of the box?
user: urfan · 20 days ago We use UR10 with force limit enabled. Safe, but slow. To go fast you need zones and sensors.
K
Kevin 12-12-2025 12:25, 1 month ago
Re: Collaborative Robots (Cobots) – Are they really safe out of the box?
user: controlroomguy · 21 days ago No robot is “safe out of the box.” If your payload > 3–5kg or sharp edges, you still need guarding + safety PLC.
K
Kevin 12-12-2025 12:24, 1 month ago
Re: Collaborative Robots (Cobots) – Are they really safe out of the box?
Saw marketing from Universal Robots saying anyone can teach it. But in real shop environment, is it actually safe? Our team works close to presses and conveyors.
K
Kevin 12-12-2025 12:23, 1 month ago
Re: Is ROS2 really stable enough for real industrial work?
user: robotbrains · 22 days ago Avoid WiFi if possible… wired connection or industrial wireless is better. ROS2 traffic spikes can choke cheap routers.
K
Kevin 12-12-2025 12:23, 1 month ago
Re: Is ROS2 really stable enough for real industrial work?
arjun_ros · 26 days ago ROS2 is stable but you need proper networking setup (QoS profiles matter). We run 4 AGVs in warehouse using ROS2 Foxy + Nav2 stack.
K
Kevin 12-12-2025 12:22, 1 month ago
Re: Is ROS2 really stable enough for real industrial work?
I’m learning ROS2 Humble for an AGV project. But online reviews say DDS communication sometimes gets messy. Anyone used ROS2 in actual production?
K
Kevin 28-11-2025 20:06, 2 months ago
Re: KUKA welding robots sample program
Key Features: Initialization: Proper setup with BAS command for motion initialization Home Position: Safe axis configuration (A1-A6) Approach Sequence: Moves to position above weld, then descends to start point Welding Process: Gas pre-flow (0.5 sec) Arc strike Linear weld motion at 0.5 m/s Crater fill delay Proper arc termination Gas post-flow Safety: Retract and return to home position Digital I/O Configuration: OUT[1]: Shielding gas control OUT[2]: Arc on/off OUT[3]: Wire feed (can be added) OUT[4]: Touch sensing (optional) The program uses standard KUKA Robot Language (KRL) syntax with PTP (point-to-point) and LIN (linear) motion commands. You'll need to adjust: Actual coordinates for your workpiece Welding speed based on material/thickness I/O numbers to match your controller configuration Welding parameters on your power source
K
Kevin 28-11-2025 20:06, 2 months ago
Re: KUKA welding robots sample program
This will demonstrate a typical arc welding application with proper structure and commands. &ACCESS RVP &REL 1 &PARAM TEMPLATE = C:\KRC\Roboter\Template\vorgabe &PARAM EDITMASK = * DEF WELD_SAMPLE() ;**************************************** ; KUKA Arc Welding Sample Program ; Application: Linear weld seam ; Author: Sample ; Date: 2025-11-29 ;**************************************** ;--- DECLARATIONS --- DECL AXIS HOME DECL AXIS PSTART EXT BAS (BAS_COMMAND :IN, REAL :IN ) ;--- INITIALIZATION --- BAS (#INITMOV,0 ) ; Initialization of velocities and accelerations ;--- HOME POSITION --- HOME = {AXIS: A1 0, A2 -90, A3 90, A4 0, A5 0, A6 0} ;--- MOVE TO HOME --- PTP HOME Vel=100 % DEFAULT ;--- APPROACH START POSITION --- ; Move to position above weld start PTP {X 500, Y 200, Z 600, A 0, B 90, C 0} C_DIS ; Move to weld start position LIN {X 500, Y 200, Z 450, A 0, B 90, C 0} C_DIS ;--- WELD PREPARATION --- ; Turn on gas pre-flow $OUT[1] = TRUE WAIT SEC 0.5 ; Arc strike - turn on welding $OUT[2] = TRUE WAIT SEC 0.1 ;--- WELDING MOTION --- ; Linear weld seam with arc on LIN {X 500, Y 400, Z 450, A 0, B 90, C 0} Vel=0.5 m/s CONT ; Continue weld seam LIN {X 500, Y 600, Z 450, A 0, B 90, C 0} Vel=0.5 m/s ;--- WELD TERMINATION --- ; Crater fill delay WAIT SEC 0.2 ; Arc off $OUT[2] = FALSE WAIT SEC 0.1 ; Gas post-flow WAIT SEC 0.5 $OUT[1] = FALSE ;--- RETRACT FROM WELD --- ; Move away from workpiece LIN {X 500, Y 600, Z 600, A 0, B 90, C 0} C_DIS ;--- RETURN HOME --- PTP HOME Vel=100 % DEFAULT END ;**************************************** ; DIGITAL OUTPUT ASSIGNMENTS ;**************************************** ; $OUT[1] = Shielding Gas ; $OUT[2] = Arc On/Off ; $OUT[3] = Wire Feed ; $OUT[4] = Touch Sensing ; ; WELDING PARAMETERS ;**************************************** ; Voltage: 22-26V (set on welding machine) ; Current: 180-220A (set on welding machine) ; Wire Speed: 5-7 m/min ; Gas Flow: 15-18 L/min ;****************************************
K
Kevin 28-11-2025 02:08, 2 months ago
Re: Robot arm inverse kinematics implementation
Reply by: KinematicsGuru IK is definitely tricky especially for 6dof. For learning purposes, implementing it yourself is great but for production use a library like ikpy or the ik solvers in robotics toolbox. They handle edge cases much better. Make sure youre handling singularities and joint limits properly. Also consider using jacobian-based methods instead of analytical solutions, they tend to be more robust. What method are you currently using?
K
Kevin 28-11-2025 02:07, 2 months ago
Re: Robot arm inverse kinematics implementation
Username: RoboticistInTraining Posted: 1 week ago Trying to implement inverse kinematics for a 6dof robot arm and its harder than i thought. Forward kinematics works fine but IK is giving me headaches. Sometimes the arm moves to weird configurations or gets stuck. Using python and numpy. Should i be using a library for this or is it good practice to implement it myself?
K
Kevin 28-11-2025 01:48, 2 months ago
Re: ROS2 vs ROS1 for new robotics project
Reply by: RoboBuilder Thanks for the input! I think ill go with ROS2 then. Did you have any issues with package availability? That's my main concern rn.
K
Kevin 28-11-2025 01:47, 2 months ago
Re: ROS2 vs ROS1 for new robotics project
Reply by: NavigationPro Go with ROS2. Yes there's more ROS1 content out there but ROS2 has been production ready for a while now. The architecture is much better especially if you need real-time performance. Nav2 is really mature at this point and the migration from ROS1 concepts isn't that hard. Plus you won't have to migrate later which will save you tons of time. Just my 2 cents.
K
Kevin 28-11-2025 01:47, 2 months ago
Re: ROS2 vs ROS1 for new robotics project
Username: RoboBuilder Posted: 5 days ago Starting a new autonomous navigation project and can't decide between ROS1 and ROS2. I know ROS2 is the future but is it stable enough for production use? Most of the tutorials and packages i find are still for ROS1. Would appreciate any advice from people who have used both.
You can view all discussion threads in this forum.
You cannot start a new discussion thread in this forum.
You cannot start on a poll in this forum.
You cannot upload attachments in this forum.
You cannot download attachments in this forum.
Sign In
Not a member yet? Click here to register.
Forgot Password?
Users Online Now
Guests Online 5
Members Online 0

Total Members: 21
Newest Member: brijamohanjha