HSR-JR6300-3000 Six-axis robotic arm (manipulator)
300kg / 3000mm
HSR-JR6300-3000 specifications
The heavy-duty robot series is widely used in industries such as building materials and home furnishings, automotive, and lithium batteries, capable of an ultra-large load capacity of 300kg.
JR/JH Heavy Load and Welding Series · Series technical features
165-360kg · Heavy-Duty Handling · Hollow welded arm
The 210kg class model uses full gear transmission, resulting in a low failure rate.
300kg@3000mm. 360kg@2700mm, targeting building materials and home furnishings, automobiles, and lithium batteries.
The JH630-1800 arm protection reaches IP67, suitable for arc welding conditions.
JR/JH Heavy Load and Welding Series · Other models in the same series
Compare load and reach to choose the model that best suits your process.
HSR-JR6300-3000 model positioning and working condition adaptation
HSR-JR6300-3000 This is an industrial robot model belonging to HSR Robotics' JR/JH heavy-load and welding series, with a rated load of 300kg, a motion radius of 3000mm, and a repeat positioning accuracy of ±0.06mm. HSR Robotics' technical foundation is Zhejiang University's technical background, with dual lines in education and industry, strong welding process packages and customization capabilities; The control platform is HSR Controller (HSC platform), and the programming ecosystem consists of graphical programming + scripting.
From the perspective of working condition adaptation, the typical use for heavy-duty (300kg) positioning is:Vehicle body handling, large casting processing, building materials and heavy palletizingThe extra-long reach (3000mm) suits large workpieces and cross-line service, but watch stiffness and vibration at full extension. Repeatability of ±0.06mm meets handling and palletizing requirements; for precision assembly, add vision guidance for closed-loop positioning. For heavy-duty models, pour the foundation per the manufacturer's drawings, monitor settlement, and reserve lifting and maintenance space at the layout stage.
| Parameters | Engineering interpretation and usage recommendations |
|---|---|
| Rated load 300kg | 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 |
| Movement radius: 3000mm | Determine the radius of the work unit 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 |
| Repeat positioning accuracy: ±0.06mm | 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 |
| Controller: HSR Controller (HSC platform) | 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 HSR Controller (HSC platform) controller accompanying the HSR-JR6300-3000 features a programming language and development environment of graphical programming + scripting. 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 |
|---|---|---|
| Driver alarm and encoder abnormality | Driver alarm and encoder abnormality | Included as a mandatory inspection item for annual maintenance, with spare parts stocked in advance |
| Teach pendant system failure | Teach pendant system failure | Initial interpretation of alarm codes by reference with manuals, remote diagnosis allows for early positioning |
| Bus communication was interrupted | Bus communication was interrupted | Daily inspection coverage, with abnormal trends (abnormal noises/temperature rise/errors) recorded |
| IO module abnormal | IO module abnormal | Quarterly dust removal maintenance and cabinet temperature monitoring |
| Maintenance projects | Cycle recommendations | Key points |
|---|---|---|
| Establish a parameter backup system | According to the manufacturer's manual cycle | Establish a parameter backup system |
| Batteries should be replaced periodically | By cycle | Batteries should be replaced periodically |
| Reducer lubrication management | According to the manufacturer's manual cycle | Reducer lubrication management |
| 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 HSR-JR6300-3000
We are a third-party robot technical service provider. For the HSR-JR6300-3000 we offer the following eight services, ordered by how often they are actually needed for this model:
- Maintenance and repair: on-site diagnosis, board-level repair and annual maintenance contracts for the HSR-JR6300-3000 — brand-specific items such as establishing a parameter-backup routine are performed per our SOPs; same-day response within Sichuan and Chongqing.
- Second-hand and inventory robot sales: the education market has a large installed base and industrial used units are becoming more available; suitable for teaching and light-industry duty; in-stock HSR-JR6300-3000 or equivalent models come with a full-function inspection 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 Washu Robotics), providing configuration and pricing plans.
- Applied technology services: process programming, path optimization, cycle-time tuning and changeover recipe management for the HSR-JR6300-3000, commissioned specifically for car-body handling, large-castings processing, building materials and heavy-duty palletizing.
- Research and development of automation equipment: Custom fixture ends, peripheral tooling, and safety fences for HSR-JR6300-3000, with interfaces designed according to HSR Robotics flange and IO standards.
- Robot rental: for short-term capacity needs or process validation, you can rent an in-stock HSR-JR6300-3000-class model, with transport, installation and commissioning included; rental terms are flexible and the unit can be purchased at the end of the lease.
Common issues with this device
Is it easy to find spare parts for HSR-JR6300-3000?
Washu Robotics has smooth spare parts channels for this generation, with regular parts such as drivers, power modules, batteries, and teach pendant components available in stock or short-cycle channels; Parameter backup system for establishing consumables is recommended to be configured according to the annual maintenance contract.
With a nominal load of 300kg, 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 HSR-JR6300-3000 worth buying?
There was a large stock of education, and second-hand industrial circulation was gradually emerging; Suitable for teaching and light industry conditions. 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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