SKU: NXB-ROB-MA012-011 | Version: 1.0 | Brand: NexBot Robotics
The NexBot Vision MA012-011 is a high-performance 6-axis articulated robot arm designed for a wide range of industrial automation applications requiring precision and reliability. This robot provides an exceptional balance of speed, payload capacity, and working envelope, making it a versatile solution for complex manufacturing challenges. Engineered for medium-duty tasks, the MA012-011 features a substantial 25 kg payload capacity. This allows it to handle parts, tools, and materials with ease, making it ideal for applications such as CNC machine tending, where it can load and unload workpieces consistently around the clock. The arm's robust construction, combined with its six degrees of freedom, provides the dexterity needed to perform intricate movements in confined spaces. This is critical for tasks like arc welding, sealing, and complex assembly operations where the tool must be precisely oriented. A key performance attribute is its impressive horizontal reach of 1750 mm, which creates a large, optimized work envelope. This extended reach enables the arm to service multiple machines, access wide pallets, or cover large workpieces without repositioning, maximizing productivity and floor space utilization. Furthermore, the robot achieves a position repeatability of ±0.03 mm, ensuring that every cycle is performed with exceptional accuracy. This level of precision is vital for quality-critical processes in electronics assembly, metrology, and finishing, reducing defects and rework. Built for durability in demanding industrial environments, the arm is protected with an IP67 rating, making it resistant to dust and water ingress. This ensures dependable operation in facilities with coolants, particulates, or wash-down requirements. The streamlined design facilitates straightforward installation and integration into new or existing production lines. The MA012-011 robot arm is a powerful tool for manufacturers seeking to enhance efficiency, improve product quality, and create a safer, more productive workplace.
To start the NexBot Vision MA012-011, first rotate the main disconnect on the controller cabinet to the 'ON' position. Next, press the 'ON' button on the controller or teach pendant. The system will initialize, and after a brief boot sequence, the main operating screen will appear on the teach pendant.
The robot operates in three primary modes selected via a key switch: T1 (Manual Low Speed), T2 (Manual High Speed for testing), and AUTO (Automatic Production). For programming and setup, always use T1 mode, which limits the robot's speed for operator safety.
The teach pendant is your primary interface for controlling the robot. Key features include the motion joystick for jogging, the touch screen for programming and configuration, and the hardware emergency stop button and deadman switch for safety.
Before starting any task, the robot must be homed or 'mastered' to establish a known reference position for all 6 axes. This is typically done once after installation and is guided by an on-screen wizard. Homing ensures the robot's ±0.03 mm repeatability.
Manual robot movement, or jogging, is performed in T1 mode by enabling the deadman switch and using the joystick. You can select different coordinate systems (e.g., Joint, World, Tool) to control the direction of motion relative to the robot's base or the attached tool.
A program consists of a sequence of recorded points. To create a program, move the robot to a desired location and orientation, then save it as a point. Define the motion type (linear, joint, circular) and speed for the path between points.
Accurately defining the Tool Center Point (TCP) and payload is critical for precision and performance. Use the built-in utilities to define the geometry of your end-effector. Enter the payload mass (up to 25 kg) and center of gravity to allow the controller to optimize motion dynamics.
The robot interacts with external equipment like grippers, sensors, and PLCs through its I/O system, primarily over the PROFINET network. Use the I/O configuration screen to map and label signals, which can then be controlled within your robot programs.
Once a program is tested and finalized, it can be run in automatic mode. Select the program, reset any alarms, and ensure all personnel are outside the safety-fenced area. Initiate the cycle from the PLC or operator panel to begin production.
| Interval | Task | Notes |
|---|---|---|
| Daily | Visually inspect the robot arm, cables, and end-effector for any signs of wear, damage, or fluid leaks. Clear any debris from the robot's work area. | This check should be performed by the operator at the start of each shift. |
| Weekly | Test the functionality of the teach pendant emergency stop button and all external E-stop circuits and safety gates. | Log the results of the safety check in your facility's maintenance records. |
| Monthly | Check the air filters on the controller cabinet for dust accumulation. Clean with compressed air or replace if necessary to ensure proper cooling. | In dusty environments, this check should be performed more frequently. |
| Annually | Create a full backup of all robot programs, system configuration, and mastering data. Store the backup on a secure network drive or external media. | Perform this task before making any major software updates or program changes. |
| Every 3,000 Hours | Check the tightness of the robot's base mounting bolts using a calibrated torque wrench. | Vibration during operation can cause fasteners to loosen over time. |
| Every 10,000 Hours | Replace the grease in the gearboxes for axes 1, 2, and 3. This requires specialized equipment and should be performed by a trained technician. | Use only NexBot-approved NB-Lube G-17 grease. |
| Every 20,000 Hours | Replace the internal controller battery. This CMOS battery retains system memory and mastering data when main power is off. | This procedure must be performed with the controller powered on to prevent data loss. |
| Symptom | Possible Cause | Solution |
|---|---|---|
| Robot stops with a 'Singularity' error. | The robot's wrist axes (4, 5, 6) are nearly aligned, making a linear path mathematically impossible to calculate. | In the program, slightly adjust the orientation of the preceding point or change the motion type to 'Joint' for the problematic move. |
| Teach pendant displays a 'PROFINET Communication Failure' alarm. | The network cable is disconnected/damaged, or there is a network configuration issue (e.g., IP conflict). | Check the physical cable connections at the robot controller and network switch. Verify the robot's IP settings with a network administrator. |
| Positioning is not accurate or repeatable. | The TCP definition is incorrect, the payload data is wrong, or the robot base has shifted. | Re-run the TCP teaching procedure. Verify the payload settings match the installed tool. Check that the base mounting bolts are secure. |
| A 'Motor Overload' fault occurs on a specific axis. | Payload exceeds the 25 kg limit, acceleration is set too high, or there is a mechanical binding in the joint. | Verify the payload weight. Reduce the acceleration parameter in the program. Move the axis manually to feel for any resistance or binding. |
| Robot will not move in manual mode. | An emergency stop is active, a safety fence is open, the deadman switch is not engaged, or motor power is off. | Check the status of all safety circuits on the teach pendant. Ensure the 'Motors On' button has been pressed and the deadman switch is held in its center position. |
| The robot drifts slightly after completing a move. | The motor brakes are worn or require adjustment. | Listen for a distinct 'click' when motors are de-energized, indicating brake engagement. If no sound is heard or drifting continues, schedule a service call for brake inspection. |
| Controller fan is excessively loud or not spinning. | The fan is failing or its air path is blocked by dust and debris. | Power down and lock out the controller. Clean the fan and heat sink fins with compressed air. If the fan does not spin on power-up, it must be replaced to prevent overheating. |
| Parameter | Value | Unit |
|---|---|---|
| Weight | 285.0 | kg |
| Material | Cast Aluminum Alloy | |
| Voltage | 400-480VAC 3-Phase | |
| IP Rating | IP67 (Arm) / IP54 (Base) | |
| Country of Origin | JP | |
| Protocol | PROFINET | |
| Reach | 1750 mm | |
| Payload | 25 kg | |
| Axes | 6 | |
| Repeatability | ±0.03 mm |