ABB GoFa CRB 15000-5 vs DOBOT CR7A: Cobot Comparison
Updated: 10 hours ago
IN A NUTSHELL
🔎 THE KEY DIFFERENCE Reach figures need careful reading: ABB GoFa CRB 15000-5 lists 950 mm wrist; 1,050 mm flange, while DOBOT CR7A lists 800 mm. Check the same tool position and reference point before deciding which robot reaches your fixture. |
→ CONSIDER ABB GoFa CRB 15000-5 Consider it when the stated load suits your task and its exact reach reference matches your layout. This article compares 5 kg with a published reach of 950 mm wrist; 1,050 mm flange; include the gripper and part in the load. |
→ CONSIDER DOBOT CR7A Consider it when the stated load suits your task and its exact reach reference matches your layout. This article compares 7 kg with a published reach of 800 mm; include the gripper and part in the load. |
💡 THE TAKEAWAY Check the real tool, movement path and safety assessment before choosing. A collaborative label does not make every task safe without guarding; compare complete installation quotes. |
ABB GoFa CRB 15000-5 vs DOBOT CR7A is a buying comparison built around the actual robot configurations, not a collection of family maxima. The DOBOT offers more nominal load capacity inside a shorter workspace; this is a tool-mass versus layout choice. The useful result is a cell that meets its load, quality, access and throughput requirements with a maintainable integration plan.
The starting-price figures used here are USD 34,000 for ABB GoFa CRB 15000-5 and USD 19,300 for DOBOT CR7A, taken from the individual ATC reviews. They are indicative review prices rather than binding current quotations. This guide separates rated payload, published workspace, positioning repeatability and complete-system requirements so that a cheaper or larger arm is not mistaken for a valid finished-cell alternative.
Quick verdict
ABB GoFa CRB 15000-5: A dry industrial bench, light assembly or a small machine-tending cell where the full tool-and-part combination stays within 5 kg. The 950 mm wrist and 1,050 mm flange references must remain distinct. IP54 is the reviewed configuration's environmental limit; do not borrow the larger GoFa models' IP67 rating.
DOBOT CR7A: Compact loading and handling where extra load capacity matters more than a longer radius. The 7 kg load and 800 mm radius must be assessed together. A higher payload number does not mean it can replace a longer arm in the same layout.
ABB GoFa CRB 15000-5 vs DOBOT CR7A: technical specifications
Specification | ABB GoFa CRB 15000-5 | DOBOT CR7A |
|---|---|---|
Rated payload | 5 kg | 7 kg |
Published reach / geometry | 950 mm wrist; 1,050 mm flange | 800 mm |
Position repeatability | ±0.02 mm | ±0.05 mm |
Controlled axes | 6 | 6 |
Arm / system mass in review | 28 kg | 24.5 kg |
Arm protection | IP54 | IP54 |
Controller / HMI | ABB OmniCore C30 | Confirm the quoted controller and programming package |
Indicative starting price | USD 34,000 | USD 19,300 |
The figures refer to the variants discussed in the linked reviews. ABB distinguishes wrist and flange reach; those references must be retained in any layout comparison.
Payload: start with the complete attached tool
DOBOT CR7A offers 2 kg more nominal load capacity than ABB GoFa CRB 15000-5. A 5.5 kg complete tool-and-part combination already exceeds the smaller model's 5 kg headline limit. That does not automatically approve it on the larger robot: the load diagram, moments, inertia and worst wrist orientation still need to be checked. Use the rated configuration, not a family maximum.
For this pair, the reviewed masses are 28 kg for ABB GoFa CRB 15000-5 and 24.5 kg for DOBOT CR7A. Installation mass is separate from tool payload. Include the mounting frame, anchoring, lifting method and service access in the concept. A lighter arm may simplify handling, while a heavier installation may demand a different support structure; neither is a reason to omit dynamic-load and stability checks.
Workspace and posture: check every required pose
ABB GoFa CRB 15000-5 is listed with 950 mm wrist; 1,050 mm flange, compared with 800 mm for DOBOT CR7A. These figures are useful for an initial layout but do not by themselves describe the usable workspace of the actual tool. An endpoint may be reachable while its required orientation, approach corridor or escape path is not. Include the machine door, fixture, cables and maximum part envelope in the study.
A matched joint count does not make the joint limits, singularity behavior, approach geometry or cable routing identical. Use a representative tool model in simulation or a physical trial. Include the deepest process pose, the farthest pickup, a reject position and a maintenance or recovery pose. If the cheaper concept needs an added slide or relocated fixture, count that work before comparing arm prices.
ABB GoFa CRB 15000-5: engineering assessment
The reviewed ABB GoFa CRB 15000-5 combines 5 kg rated load with 950 mm wrist; 1,050 mm flange and ±0.02 mm positioning repeatability. Start with the available work surface and actual tool mass. The useful reason to buy this model is an ABB engineering workflow that fits the job, rather than a promise that a tighter robot specification will compensate for a flexible fixture.
The 950 mm wrist and 1,050 mm flange references must remain distinct. IP54 is the reviewed configuration's environmental limit; do not borrow the larger GoFa models' IP67 rating. An existing ABB team may gain from using RAPID and RobotStudio, but that benefit should be assessed against the offered controller version, enabled options and the staff who will maintain the application.
DOBOT CR7A: where the alternative adds value
The reviewed DOBOT CR7A offers 7 kg rated load, 800 mm and ±0.05 mm positioning repeatability. Use a tool with the real center of gravity in the reach study. This model is interesting when the station is compact and the loaded gripper is too heavy for a 5 kg arm, but moving a distant fixture can erase an acquisition-price saving.
The 7 kg load and 800 mm radius must be assessed together. A higher payload number does not mean it can replace a longer arm in the same layout.
Positioning, force interaction and process quality
The tighter stated position-repeatability value is ±0.02 mm, compared with ±0.05 mm for the other robot. That is a useful shortlist input, not a finished-part tolerance guarantee. Repeatability concerns returning to a pose under specified conditions; absolute accuracy, tool calibration, fixture movement and process variation remain separate engineering concerns.
For assembly, measure seating quality or fastener results; for handling, measure reliable pickup, placement and reject recovery. Use representative production variation rather than one prepared sample. The robot that meets the actual process criterion with the simpler maintained system can be the better choice even when a competing data-sheet figure looks more impressive.
Programming, interfaces and ownership
The ABB source identifies ABB OmniCore C30. RAPID and RobotStudio are part of the ABB workflow described in the reviews. A familiar software environment can reduce maintenance friction, but only if the actual team can back up, diagnose and restore the application. Ask for the exact version and the rights to the finished program.
The alternative's reviewed control or HMI arrangement is Confirm the quoted controller and programming package. Verify the programming interface, licenses, communication options and integration responsibilities in the offered package.
Write an I/O and network schedule for the gripper, PLC, machine, inspection device and safety system. Verify voltages, connector pinouts, signal direction and timeout behavior. A protocol listed in a review is not proof that every license or board is supplied. Include a lost communication link, failed acknowledgement and an interrupted production sequence in the acceptance demonstration.
Safety, environment and real cycle time
Collaborative capability is one element of an application risk assessment. The tool, carried object, machine, hot or sharp process and trapping points may need safeguards beyond the arm's own functions. Establish intended operating modes and validate the completed safety concept with representative operator access. A collaborative label is not permission to assume that fencing or sensing is unnecessary.
The ABB review lists IP54 for the arm. The alternative is reviewed at IP54. Ingress ratings do not authorize every cleaning chemical, steam treatment or pressure-washing procedure. Check the controller, cable exits, connectors and tool independently, and distinguish standard protection from a paid option.
Compare useful output using the same part, tool, normal safety settings and peripheral delays. Maximum or typical TCP speeds are not a matched cycle-time benchmark. Gripping, machine dwell, process time and operator visits may dominate. Record good parts, rejected parts, changeover and restart time alongside motion time before turning a supplier demonstration into a payback estimate.
Price and total installed cost
The indicative starting prices are USD 34,000 and USD 19,300, a difference of USD 14,700. The lower-priced arm is DOBOT CR7A. Those figures come from the linked ATC reviews and may change. They do not establish equivalent controllers, pendants, safety equipment, software, stock or turnkey scope.
Request comparable bills of materials covering the robot, tool, fixture, machine interface, vision, safety devices, controller options, commissioning and training. Include freight, tax and installation where relevant. Name the supplier responsible for diagnosing faults across component boundaries and obtain configuration-specific warranty and delivery commitments. A cheap arm that needs an unsuitable layout changed is not automatically the cheaper installed system.
How to choose for a representative application
Decision | Start by testing | Why it matters |
|---|---|---|
Load and tooling | 5 kg versus 7 kg | Include all adapters and attached equipment |
Workspace | 950 mm wrist; 1,050 mm flange versus 800 mm | Match geometric references and tool orientation |
Configuration | 6 versus 6 controlled axes | Do not merge different operating concepts |
Process quality | ±0.02 mm versus ±0.05 mm | Measure the finished result, not only robot position |
Value | USD 34,000 versus USD 19,300 | Align the installed package and maintenance plan |
The DOBOT offers more nominal load capacity inside a shorter workspace; this is a tool-mass versus layout choice. For the ABB candidate, the application to demonstrate is: a dry industrial bench, light assembly or a small machine-tending cell where the full tool-and-part combination stays within 5 kg. For the alternative, evaluate: compact loading and handling where extra load capacity matters more than a longer radius. If a load, pose or safety requirement fails, redesign the concept before judging its apparent purchase-price saving.
Acceptance testing before purchase
Give both suppliers the same workpiece range, complete tool CAD, load data, required poses, target cycle, environmental exposure and intended operator interaction. Agree pass criteria before the trial. Test a missed pickup, a rejected part, a stopped machine and restart after power loss. Ask the intended operator to change a recipe and recover the sequence safely; a supplier-only demonstration is not a maintenance handover.
Retain the program, safety configuration, I/O schedule, tool settings and backup procedure. Establish support escalation, replacement-part responsibilities and the revision of the equipment being supplied. Where contact or dual-arm coordination is involved, keep the demonstrated process settings in the acceptance record so that later changes do not silently invalidate the qualified result.
Complete product reviews
Frequently asked questions
Which should I choose: ABB GoFa CRB 15000-5 or DOBOT CR7A?
The DOBOT offers more nominal load capacity inside a shorter workspace; this is a tool-mass versus layout choice. A dry industrial bench, light assembly or a small machine-tending cell where the full tool-and-part combination stays within 5 kg. Compact loading and handling where extra load capacity matters more than a longer radius. Choose the concept that passes the actual tool-load, workspace, process-quality and safety tests with an acceptable installed quotation and maintenance plan.
What are the indicative starting prices in US dollars?
The ATC reviews list ABB GoFa CRB 15000-5 from USD 34,000 and DOBOT CR7A from USD 19,300. The difference is USD 14,700. Prices are indicative and may change; confirm the supplied controller, pendant, software, safety equipment, tooling, delivery and integration scope.
Does the payload rating include the gripper?
Yes. Allocate the permitted load to the complete end effector, adapters and carried part, then check moments and inertia. The ratings used here are 5 kg and 7 kg. A part within the headline rating can still become an excessive load when its tooling is added.
Which has the longer usable workspace?
ABB GoFa CRB 15000-5 lists 950 mm wrist; 1,050 mm flange, while DOBOT CR7A lists 800 mm. Verify matching geometric references, tool orientations, approach paths and obstacles. A larger nominal number does not guarantee every required pose or a faster completed cycle.
Does repeatability guarantee the finished-part tolerance?
No. The comparison uses ±0.02 mm for ABB GoFa CRB 15000-5 and ±0.05 mm for DOBOT CR7A. These positioning figures do not independently establish absolute accuracy or completed-process tolerance. Fixtures, tooling, calibration, part variation and contact behavior must be included in the acceptance test.
Do collaborative robots always work without guarding?
No. The complete application needs risk assessment and validation. Tools, sharp or hot objects, trapping points, neighboring equipment and access patterns may require guarding, sensing, interlocks or speed limits beyond the arm's own functions.
Are all controller and software options included?
Not automatically. The source identifies Confirm the quoted controller and programming package for DOBOT CR7A, but only a current quotation defines what is supplied and enabled. Confirm programming tools, protocol licenses, hardware interfaces, backups and ownership of the final application program.
What should the supplier demonstrate before purchase?
Require the real tool, representative parts and normal operating settings. Include critical poses, process quality, a realistic cycle, lost grip or communication, operator interruption and safe restart. Record acceptance criteria and retain the configuration and program used in the successful trial.
Specifications and indicative review prices describe the exact configurations discussed. Confirm the offered revision, package, safety requirements, warranty and delivery with the supplier. This is an editorial buying comparison and does not claim a hands-on performance benchmark.
