SKU: NXB-ROB-HA014-004 | Version: 1.0 | Brand: NexBot Robotics
The NexBot Robotics HA014-004 is a high-performance, six-axis articulated robot arm engineered for heavy-duty industrial automation tasks requiring significant strength and a large work envelope. This robot arm is the ideal solution for applications such as heavy material handling, machine tending for large CNCs, spot welding in automotive body-in-white lines, and high-volume palletizing of bulky goods. Its robust construction and powerful servo system provide the stability and performance needed to manipulate substantial loads with precision and reliability. The core of the HA014-004 is its impressive 250 kg payload capacity, which allows for the use of complex, heavy end-of-arm tooling and the handling of large workpieces without compromising performance. This capability is complemented by a generous horizontal reach of 2,700 mm, creating an expansive work area that enhances operational flexibility and allows the robot to service multiple stations or large machinery. The arm's design balances strength with agility, ensuring smooth, controlled motion throughout its entire range. High-resolution encoders and advanced motion control algorithms deliver a position repeatability of ±0.05 mm, ensuring that tasks are performed consistently and accurately, which is critical for quality-sensitive processes like assembly and welding. Built for durability in challenging factory environments, the HA014-004 features a rugged cast aluminum body and is sealed to an IP67 rating, providing complete protection against dust ingress and immersion in water. This makes the robot arm suitable for deployment in environments with coolants, dust, or wash-down requirements. Installation is streamlined with a standardized floor-mount bolt pattern and integrated cabling options. The robot arm is designed for long service intervals, with easily accessible lubrication points to simplify routine maintenance and minimize downtime. By combining high payload, extensive reach, and precise motion, the HA014-004 robot arm delivers the performance necessary to boost productivity and efficiency in the most demanding industrial settings.
To start the system, ensure the main disconnect is engaged, then turn the key on the controller to the 'ON' position. The system will boot, and after a brief self-test, the teach pendant will display the main operating screen. The robot must be mastered before any programmed operation can begin.
The robot has two primary modes: T1 (Teach) and AUTO (Automatic). T1 mode permits slow-speed manual control for programming and setup. AUTO mode allows for full-speed production execution and requires all personnel to be outside the safeguarded workspace.
Mastering is the process of calibrating the zero position for each of the six axes. This is critical for absolute positioning accuracy. The system will prompt for mastering on first startup and it must be re-done after any collision or motor replacement.
The teach pendant is your primary tool for controlling the HA014-004. Use it to jog the robot, write and edit programs, configure I/O, and monitor system status. Always keep the emergency stop button and dead-man switch functions in mind.
In T1 mode, while holding the dead-man switch, you can move the robot using the coordinate systems (Joint, World, Tool). 'Joint' mode moves one axis at a time, while 'World' and 'Tool' modes provide straight-line motion relative to a fixed frame or the tool tip.
The TCP defines the exact point on your end-of-arm tool that you want to control. An accurate TCP is essential for linear and circular movements. Use the built-in TCP definition utility to calculate it by touching a fixed reference point from several different angles.
To ensure optimal performance and longevity, you must define the mass properties of your attached load. Enter the payload mass (up to 250 kg), center of gravity, and moments of inertia into the payload schedule settings. The robot uses this data to optimize its motion profile.
A program is a sequence of recorded points and instructions. Move the robot to a position, record the point, and define the motion type (linear, joint, circular) to it. Once a program is complete, test it at low speed in T1 mode before running at full speed in AUTO.
The robot can interact with other equipment like clamps, sensors, and PLCs using digital I/O. Configure I/O points in the system settings and use instructions like 'WAIT IN' or 'SET OUT' in your program to synchronize the robot's actions with external devices.
| Interval | Task | Notes |
|---|---|---|
| Daily | Visually inspect the robot arm and umbilical cables for wear, damage, or fluid leaks. Confirm the work cell is free of obstructions. | To be performed by the operator at the start of each shift. |
| Weekly | Test the functionality of the teach pendant E-stop button, dead-man switch, and all external safety devices. | Log results in the machine safety checklist. |
| Monthly | Clean any accumulated dust or debris from the robot arm and controller cabinet ventilation fans. | Ensure controller is powered down and locked out before cleaning fans. |
| Quarterly | Check torque on the end-of-arm tooling mounting bolts and the robot base anchor bolts. | Refer to the service manual for specific torque specifications. |
| Annually | Replace the absolute encoder backup batteries located in the robot base. This prevents loss of mastering data during a power outage. | This procedure must be performed with main power ON to the controller. Follow all live electrical work safety procedures. |
| Every 10,000 Hours | Perform a full grease replacement for all six-axis gearboxes. Send a sample of the old grease for analysis. | Use only NexBot-specified NB-Lube H1 grease. Over or under-greasing can damage the harmonic drives. |
| Symptom | Possible Cause | Solution |
|---|---|---|
| Robot stops with a 'Safety Circuit Open' error. | An emergency stop has been pressed, a safety gate is open, or a light curtain has been tripped. | Clear the obstruction or reset the activated E-stop. Ensure all safety gates are closed and then reset the fault on the teach pendant. |
| Positioning is inaccurate or inconsistent. | Incorrect TCP or payload data is configured. The EOAT may also be loose on the J6 flange. | Verify that the active TCP and payload schedule are correct for the current task. Check the EOAT mounting bolts for proper torque. If the issue persists, a re-mastering of the robot may be required. |
| Robot halts with a 'Singularity Approach' warning. | The robot wrist axes (J4, J5, J6) are approaching a configuration where J4 and J6 align, making controlled linear motion impossible. | Modify the program to change the wrist orientation as it approaches this point. Often, adding a small joint move before the linear move can resolve the issue. |
| Teach pendant screen is blank but controller has power. | The teach pendant cable is disconnected or damaged, or the pendant itself has failed. | Power down the controller. Inspect and reseat the teach pendant cable at both the pendant and controller. If the cable is good, the pendant may need replacement. |
| 'Motion Supervision' or 'Axis Lag' fault occurs during high-speed moves. | The programmed acceleration is too high for the defined payload, or there is a mechanical binding issue. | Reduce the acceleration/deceleration parameters for the move. Verify the defined payload data is accurate. If the fault continues, check the affected axis for signs of mechanical resistance. |
| EtherCAT communication is lost. | The EtherCAT cable is damaged or unplugged, or there is a fault with the master PLC. | Inspect the EtherCAT cable for damage and ensure it is securely connected at both the robot controller and the PLC. Check the network status on the master PLC. |
| Robot drifts downward when brakes are applied (power off). | The mechanical brake on one of the main axes (typically J2 or J3) is worn or failing. | IMMEDIATELY REMOVE THE ROBOT FROM SERVICE. This is a critical failure. Contact NexBot Robotics technical support for brake replacement service. |
| Parameter | Value | Unit |
|---|---|---|
| Weight | 1350.0 | kg |
| Material | Cast Aluminum Alloy | |
| Voltage | 480VAC | |
| IP Rating | IP67 | |
| Country of Origin | KR | |
| Protocol | EtherCAT | |
| Reach | 2,700 mm | |
| Payload | 250 kg | |
| Axes | 6 | |
| Repeatability | ±0.05 mm |