SKU: NXB-ROB-MA012-004 | Version: 1.0 | Brand: NexBot Robotics
The NexBot Robotics MA012-004 is a high-performance 6-axis articulated robot arm engineered for complex automation tasks in demanding industrial environments. This robot provides an ideal balance of payload capacity, reach, and speed, making it a flexible solution for a wide range of applications. Its robust construction ensures reliable operation and a long service life, even under continuous use cycles. The core of the MA012-004 is its powerful and precise drive system, which delivers exceptional motion control across all six axes. With a maximum payload capacity of 25 kg, this arm can handle not only the workpiece but also complex end-of-arm tooling, such as multi-part grippers or welding heads. The generous horizontal reach of 1600 mm provides a large, accessible work envelope, suitable for serving multiple machines or working around large fixtures. This combination of strength and reach allows for efficient integration into existing production lines without significant layout changes. Precision is critical in modern manufacturing, and the MA012-004 robot arm delivers outstanding position repeatability of ±0.03 mm. This level of accuracy ensures consistent quality for tasks like intricate assembly, precise part insertion, and dispensing applications where deviation is not an option. The articulated design of the robot arm offers maximum dexterity, enabling it to maneuver in tight spaces and access difficult-to-reach points on a workpiece. Common applications for the MA012-004 include: - CNC machine tending - High-speed material handling and transfer - Palletizing and depalletizing - Automated assembly and inspection - Arc welding and sealant application support Designed for ease of integration, the robot arm features an ISO 9409-1 standard tool flange for broad compatibility with end-effectors. Internal routing for air and electrical lines helps to minimize interference and wear, simplifying installation and maintenance. The robot is constructed from high-strength cast aluminum alloy and features an IP65 rating (with an IP67-rated wrist), ensuring protection against dust and water ingress in typical factory settings. This durable robot arm is a dependable asset for increasing productivity and improving process consistency.
The teach pendant is the primary interface for controlling the NexBot Robotics MA012-004. It is used for manual jogging, creating and editing programs, system configuration, and viewing diagnostics. Key features include the E-stop button, dead-man switches for safety during manual operation, and a full-color touchscreen.
The robot operates in several coordinate systems (frames), including World, Joint, and Tool. The World frame is fixed relative to the robot's base, while the Tool frame is relative to the end-of-arm tooling. Selecting the correct frame is essential for intuitive jogging and precise programming.
Before its first use, the robot must be 'mastered' to establish the precise home position for all 6 axes. This is a one-time procedure guided by software on the teach pendant. Remastering is only necessary if an axis motor or encoder is replaced.
An accurate TCP definition is critical for precision. The system includes a guided routine to define the TCP by touching a fixed point from multiple orientations. A correct TCP ensures that programmed linear moves and rotations occur around the actual tip of the tool.
For optimal performance and longevity, you must configure the payload data in the system settings. This includes the mass (up to 25 kg), center of gravity, and moments of inertia for the installed tooling and workpiece. This data allows the controller to optimize motion profiles and prevent excessive vibration.
Automatic mode is used for production. After selecting a program, ensure all safety gates are closed and personnel are clear of the work cell. The cycle is typically started from an external PLC or operator panel. The teach pendant can be used to monitor production counts, cycle times, and I/O status.
If the robot stops due to an error, a fault code and description will appear on the teach pendant. First, ensure the situation that caused the fault is resolved (e.g., remove an obstruction). Then, press the 'RESET' button on the teach pendant to clear the fault before resuming operation.
| Interval | Task | Notes |
|---|---|---|
| Daily | Visually inspect the robot arm, cables, and connectors for any signs of wear, damage, or fluid leaks. Listen for any unusual noises during operation. | This should be part of a pre-shift checklist for the cell operator. |
| Weekly | Clean the exterior of the robot arm using a cloth dampened with a mild, approved cleaning solution. Ensure cooling vents on the controller are clear of dust. | Do not spray cleaning solution directly onto joints or electrical connectors. |
| Quarterly | Test the functionality of all Emergency Stop buttons and safety interlocks in the robot cell. | Document the date and result of each safety circuit test in a maintenance log. |
| Annually | Check the torque of the robot base mounting bolts and the end-of-arm tooling mounting bolts. | Refer to the technical manual for specific torque values. |
| Annually (or 4000 hours) | Replace the batteries for the absolute encoder backup located in the robot base. | This procedure must be performed while the robot controller is powered on to prevent loss of mastering data. |
| Every 10,000 Hours | Perform a complete regreasing of all 6 axis gearboxes. This is a complex procedure that involves draining old grease and applying a precise amount of new, specified lubricant. | It is highly recommended that this service be performed by a NexBot Robotics certified technician. |
| Symptom | Possible Cause | Solution |
|---|---|---|
| Robot fails to power on; teach pendant is blank. | No incoming power to the controller or main breaker is off. | Verify the main power disconnect is ON. Check the facility circuit breaker. Use a multimeter to confirm 400-480VAC 3-Phase power is present at the controller's input terminals. |
| Positioning is inaccurate and drifts over time. | TCP is not defined correctly, payload data is wrong, or base mounting bolts are loose. | Recalibrate the Tool Center Point (TCP). Verify the configured payload matches the installed tooling. Check the torque on the robot's base mounting bolts. |
| Motion Supervision Fault (Error Code 501). | The robot's actual path deviated from the programmed path due to a collision, incorrect payload settings, or excessive speed/acceleration. | Check for any obstructions in the robot's path. Ensure payload data is accurate. Reduce the programmed speed or acceleration for the move that causes the fault. |
| E-Stop Fault cannot be cleared. | An E-Stop button is still pressed, or there is a fault in the external safety circuit. | Twist all E-Stop buttons on the teach pendant and controller to release them. If the fault persists, check the wiring for all external safety devices (gates, light curtains). |
| Encoder Battery Low Warning. | The backup batteries for the absolute position encoders are nearing end-of-life. | Schedule maintenance to replace the encoder batteries immediately. If main power is lost before replacement, the robot will lose its mastering data. |
| Excessive vibration or whining noise from one axis. | Potential internal gearbox damage or bearing failure. | Stop robot operation immediately to prevent catastrophic failure. Contact NexBot Robotics technical support for service. |
| EtherCAT Communication Lost (Error Code 822). | The communication cable between the controller and robot is damaged, disconnected, or there is network interference. | Inspect the EtherCAT cable for damage and ensure it is securely connected at both ends. Cycle power to the robot and controller. Ensure no high-power cables are routed directly next to the communication cable. |
| Parameter | Value | Unit |
|---|---|---|
| Weight | 275.0 | kg |
| Material | High-Strength Cast Aluminum Alloy | |
| Voltage | 400-480VAC 3-Phase | |
| IP Rating | IP65 (IP67 for wrist) | |
| Country of Origin | DE | |
| Protocol | EtherCAT | |
| Reach | 1600 mm | |
| Payload | 25 kg | |
| Axes | 6 | |
| Repeatability | ±0.03 mm |