ESR3-400Z15 SCARA Robotic Arm (Manipulator)
SCARA Four-Axis Robot · Load capacity 3kg · Reach: 400mm
ESR3-400Z15 specifications
ESR3-400Z15 SCARA four-axis robot, 3kg load, 400mm boom, 4-axis, equipped with C-shaped control cabinet.
Model introduction
ESR3-400Z15 · Load capacity 3kg · Reach 400mm · 4-axis · Type C control cabinet. Parameters are extracted from the product selection table on the Efft official website.
ESR Series SCARA Robot · Series technical features
Load 3-65kg · 4-axis high-speed
The official SCARA website categorizes 19 models, with payloads ranging from 3 to 65kg, including Z15/Z20/Z30/Z42 Z strokes.
ESR10-3-550~750Z15 three-axis model, suitable for flat handling (official website classification).
For medium and small loads, use C-type control cabinets; for ESR20 and above, use S-type (official selection table).
Designed for high-speed pick&place scenarios such as electronic assembly, handling, and fastening.
Typical application scenarios
Common application processes for this model (click to view process details):
ESR Series SCARA Robot · Other models in the same series
Compare load and reach to choose the model that best suits your process.





ESR3-400Z15 model positioning and operating condition adaptation
ESR3-400Z15 The SCARA horizontal multi-joint robot model belongs to the EFT ESR series SCARA robot, with a rated load of 3kg and a motion radius of 400mm. EFORT's technical foundation is the acquisition of Italy's EVOLUT (integrated) and WFC (woodworking), with mature spraying and general handling process packages; The control platform is a C-type control cabinet, and the program ecosystem consists of graphical programming + process package calls.
From the perspective of working condition adaptation, typical applications for small load (3kg) positioning are:High-speed sorting, precision assembly, dispensing coating, and inspection/pick-and-place processingCommon application processes for this model include assembly, handling, screw tightening, sorting, and dispensing. The short arm (400mm) model has a compact structure, suitable for dense workstations and close-range pick-and-place operations, with a small work unit footprint. Although the load is light, it is recommended to keep the total weight of the end and workpiece within 70% of the rated value, leaving ample acceleration margin at high speeds.
| Parameters | Engineering interpretation and usage recommendations |
|---|---|
| Rated load 3kg | 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: 400mm | 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 |
| Number of axes: 4 | The four-axis structure has a clear speed advantage within the horizontal plane, while Z-direction travel and attitude freedom are limited, making it suitable for flat sorting and assembly |
| Controller: C-type control cabinet | 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 ESR3-400Z15 comes with a C-type control cabinet controller, with a programming language and development environment of graphical programming + process package calls. 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 |
| Explosion-proof parts of spraying machine models are aging | Explosion-proof parts of spraying models aged (sealing and grounding) | Initial interpretation of alarm codes by reference with manuals, remote diagnosis allows for early positioning |
| The teach pendant malfunctioned | The teach pendant malfunctioned | Daily inspection coverage, with abnormal trends (abnormal noises/temperature rise/errors) recorded |
| Communication between IO and bus is abnormal | Communication between IO and bus is abnormal | Quarterly dust removal maintenance and cabinet temperature monitoring |
| Maintenance projects | Cycle recommendations | Key points |
|---|---|---|
| Spray explosion-proof models undergo annual inspection according to explosion-proof regulations (grounding, sealing, certification effectiveness). | According to the manufacturer's manual cycle | Spray explosion-proof models undergo annual inspection according to explosion-proof regulations (grounding, sealing, certification effectiveness). |
| Routine management of batteries and lubrication | According to the manufacturer's manual cycle | Routine management of batteries and lubrication |
| Program parameters are backed up regularly | Periodically | Program parameters are backed up regularly |
| 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 ESR3-400Z15
This site is a third-party robotics technology service provider. The ESR3-400Z15 supports eight major business services (listed by service frequency of each model):
- Maintenance and repair: For the ESR3-400Z15 on-site diagnosis, board-level maintenance, and annual maintenance contract—the sprayed explosion-proof model is inspected according to explosion-proof regulations (grounding, sealing, certification validity), and other brand-exclusive items are carried out according to SOPs, with same-day response from Sichuan and Chongqing.
- Used & in-stock robot sales: Second-hand circulation is increasing, and the procurement of spray painting models requires verification of explosion-proof certification documents; The ESR3-400Z15 or equivalent models in the inventory come with a full-function test report and a 12-month warranty.
- Sales of new industrial robots: When adding new production lines or replacing batches, we conduct cross-brand selection comparisons based on process requirements (including models of the same class as EFORT), and provide configuration and pricing plans.
- Applied technology services: Process programming, trajectory optimization, tap time tapping, and formula management for the ESR3-400Z15, with targeted commissioning for assembly, handling, screw tightening, sorting, and dispensing conditions.
- Research and development of automation equipment: Custom fixture ends, peripheral tooling, and safety fences for ESR3-400Z15, with interfaces designed according to EFT flange and IO standards.
- Robot rental: For short-term capacity or process validation periods, ESR3-400Z15 models of the same class in stock can be rented, including transportation, installation, and commissioning, with flexible rental periods and flexible purchase options.
Common issues with this device
Is it easy to find spare parts for the ESR3-400Z15?
EFORT: The spare parts channel for this generation is smooth; we have in-stock or short-cycle channels for standard parts such as drivers, power modules, batteries, and teach pendant components; For sprayed explosion-proof models, it is recommended to configure consumables for annual inspection (grounding, sealing, certification effectiveness) according to explosion-proof regulations according to the annual maintenance contract.
With a rated load of 3kg, how much weight 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 ESR3-400Z15 worth buying?
With the increasing circulation of second-hand products, it is necessary to verify explosion-proof certification documents when purchasing spray painting models. 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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