Racer-7-1.4 Collaborative Robotic Arm (Manipulator)
7 kg / 1436 mm
Racer-7-1.4 Specifications
Comau Racer collaborative robot, a safe collaboration platform based on speed/torque limits.
Model introduction
Racer-7-1.4: Rated load 7 kg · Maximum reach: 1436 mm · Repeatability: 0.05 mm · Number of axles: 6. Specifications are sourced from Comau COMAU's official website.
Racer Series Collaborative Robots · Series technical features
3-7kg · Human-Machine Collaboration · Speed switches automatically
Automatically switches between collaboration mode and maximum industrial speed, balancing human-machine coexistence with rhythm.
630/809/1436mm arm reach combination, covering compact workstations.
Racer 3 repeatability: ±0.02mm (official website).
Racer Series Collaborative Robots · Other models in the same series
Compare load and reach to choose the model that best suits your process.
Racer-7-1.4 model positioning and working condition adaptation
Racer-7-1.4 It belongs to the Comau collaborative robot model, with a rated load of 7kg, a motion radius of 1436mm, and a repeatability of ±0.02mm. Comau's technical foundation is based on Fiat heritage, with traditional strengths in automotive welding and heavy hauling, and the H5/Racer series stands out for its high-speed performance. The control platform is C5G / SMART5 and NJ series controllers, with a program ecosystem of PDL language + teach pendant.
From the perspective of working condition adaptation, typical applications for light load (7kg) positioning are:Machine tool loading and unloading, 3C assembly, inspection, and handling of small and medium-sized parts。 The medium reach (1436mm) meets the needs of conventional workstations, offering flexible single-station layout. ± 0.02mm repeatability is the standard level for six-axis industrial robots, covering the vast majority of welding operations, handling, palletizing, and loading and unloading operations. The end fixture is counted as a load from the most important point—the total of gripper + workpiece + sensor should not exceed 80% of the rated value. Workpieces with high inertia (long rod/uneven load) should be checked separately.
| Parameters | Engineering interpretation and usage recommendations |
|---|---|
| Rated load 7kg | It is recommended to reserve a load margin of 20%–30%; Verification is made by combining end self-weight + workpiece + imbalanced load inertia, especially sensitive to high-speed conditions |
| Radius of motion: 1436mm | Determine the radius of the workcell layout: bins, tooling, and fences are bounded by maximum arm span + safety distance; Verify the accessibility of each pick-and-place point during cross-station service |
| Repeatability: ±0.02mm | Repeatability ≠ absolute accuracy: Precision assembly requires external measurement closed-loop or visual guidance; Long-term accuracy trends rely on annual retest management |
| Number of axes: 6 | Six-axis all-posture capability, the preferred choice for complex trajectory and inclined surface operations |
| Controllers: C5G / SMART5 and NJ series controllers | Decide on the process ecosystem, spare parts channels, and second-hand residual value; Currently, spare parts channels are smooth, and repair and upgrade paths are mature |
Control systems and common failure modes
The Racer-7-1.4 is equipped with C5G / SMART5 and NJ series controllers, with a programming language and development environment of PDL + teach pendant. Maintenance of this generation of control platforms focuses on three basic components: power, storage, and cooling—most "sudden downtime" can be detected in advance when preventive maintenance is in place.
| Failure mode | Typical performance | Disposal recommendations |
|---|---|---|
| Controller board failure | Controller board failure (long spare parts cycle from older generations) | Included as a mandatory inspection item for annual maintenance, with spare parts stocked in advance |
| Encoder and feedback system abnormalities | Encoder and feedback system abnormalities | Initial interpretation of alarm codes by reference with manuals, remote diagnosis allows for early positioning |
| Aging of driver power devices | Aging of driver power devices | Daily inspection coverage, with abnormal trends (abnormal noises/temperature rise/errors) recorded |
| Teach pendant and cable loss | Teach pendant and cable loss | Quarterly dust removal maintenance and cabinet temperature monitoring |
| Maintenance projects | Cycle recommendations | Key points |
|---|---|---|
| Batteries should be replaced periodically | By cycle | Batteries should be replaced periodically |
| It is recommended to conduct a health assessment of the control system for existing automotive wiring equipment | According to the manufacturer's manual cycle | It is recommended to conduct a health assessment of the control system for existing automotive wiring equipment |
| Lubricate the reducer according to the manual | According to the manufacturer's manual cycle | Lubricate the reducer according to the manual |
| Cable and drag chain inspection | every six months | Insulation, shielding, and bending radius inspection of power and encoder lines, as well as wear of cables inside the drag chain, are the main causes of intermittent faults |
| Zero point and accuracy retest | Every year | Repeatability measured by dial gauges or laser trackers, drift trend digitization—accuracy degradation can be seen six months in advance |
| Control cabinet dust removal and fans | Every quarter | Filter cleaning, fan speed and noise checks, cabinet temperature recording; Dust environments shorten the cycle |
Henghuan's service capabilities for the Racer-7-1.4
This site is a third-party robotics technology service provider. The eight major business supports related to Racer-7-1.4 are as follows (listed by service frequency for each model):
- Maintenance and repair: For on-site diagnostics, board-level repairs, and annual maintenance contracts for Racer-7-1.4, we implemented brand-exclusive items such as battery replacement by cycle, and responded to Sichuan-Chongqing on the same day.
- Used & in-stock robot sales: Many retired equipment from automobile factories, with stable heavy engine residual value; For old controller projects, it is recommended to simultaneously evaluate upgrade plans; Models in the Racer-7-1.4 or equivalent class come with a comprehensive test report and a 12-month warranty.
- Sales of new industrial robots: When adding new production lines or replacing entire batches, we conduct cross-brand selection comparisons based on process requirements (including models of the same class as Comau), and provide configuration and pricing plans.
- Applied technology services: Process programming, trajectory optimization, cycle potential tapping, and model change formula management for Racer-7-1.4, with targeted commissioning for machine tool loading and unloading, 3C assembly, inspection, and handling of small and medium parts.
- Research and development of automation equipment: Custom fixture ends, peripheral tooling, and safety fences for the Racer-7-1.4, with interfaces designed according to Comau flange and IO standards.
- Robot rental: For short-term capacity or process validation periods, Racer-7-1.4 equivalent models in stock can be rented, including transportation, installation, and commissioning; rental period is flexible, and replacement can be made.
Common issues with this device
Is it easy to find spare parts for Racer-7-1.4?
Comau This generation has smooth spare parts channels; we have in-stock or short-cycle channels for standard parts such as drivers, power modules, batteries, and teach pendant components; It is recommended to configure consumables for battery replacement periodically according to the annual maintenance contract.
With a nominal load of 7kg, how much can it actually handle?
The rated load is the static load limit of the flange surface. In actual selection, three factors must be considered: the self-weight of the end fixture (vacuum suction cup groups or grippers often account for 2–5kg), the inertia generated by the workpiece offload (checked according to the inertia ratio when the center of gravity deviates from the flange center), and the dynamic load during high-speed movement. The conventional engineering practice is to keep the "end + workpiece" within 70%–80% of the rated value to ensure cycle time and service life.
If the equipment's accuracy deteriorates after several years of use, how can it be restored?
According to the inspection order: first check whether the zero point is drifting (common after collision or battery depletion), then perform zero calibration; Check the reducer's return error (actual measurement of forward and reverse positioning deviation; if exceeded, disassemble or replace); Then check the installation base fastening and foundation settlement; Finally, trajectory compensation parameter restructuring. Most accuracy issues can be mostly restored after calibration and maintenance, so there is no need to rush into major repairs—we first release the inspection data before deciding on the plan.
Is the used Racer-7-1.4 worth buying?
Many retired equipment at the automobile factory has stable salvage value of heavy machinery; For older controller projects, it is recommended to simultaneously evaluate upgrade plans. Three essential items for second-hand procurement: comprehensive inspection reports (axial accuracy, driver status, insulation and battery), maintenance history and operating hours, controller generation, and software license integrity. Every used machine we sell comes with inspection records and a 12-month warranty, and we can also accept third-party inspections designated by customers.
Need technical support or procurement for this model?
Whether it's model selection comparison, installation and commissioning, or maintenance of in-use equipment, you can contact Henghuan. Tell us about your processes, loads, and equipment status, and we will provide third-party technical support and solution recommendations.
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