ABB IRB 460 vs Nachi SRA100: Robot Comparison
Updated: 1 hour ago
IN A NUTSHELL
🔎 THE KEY DIFFERENCE This is a load-versus-reach trade-off: ABB IRB 460 has the higher stated load capacity, while Nachi SRA100 has the longer stated reach. Start with the constraint your task actually has. Their 4- and 6-axis mechanisms also offer different movement options. |
→ CONSIDER ABB IRB 460 Consider it when additional load capacity matters more than extra reach. This article compares 110 kg with a published reach of 2,400 mm; include the gripper and part in the load. |
→ CONSIDER Nachi SRA100 Consider it when reaching farther matters more than the higher payload of the alternative. This article compares 100 kg with a published reach of 2,654 mm; include the gripper and part in the load. |
💡 THE TAKEAWAY Check the required tool angles and approach path: different axis counts change movement options. Choose only after both suppliers demonstrate the loaded task and quote the same complete installation. |
ABB IRB 460 vs Nachi SRA100 is a choice about palletizing and load orientation. ABB IRB 460 and Nachi SRA100 differ in their working envelope, loading assumptions and engineering ecosystem. A useful decision starts with the exact mechanism and process, then checks whether either robot can execute the required path with the real tool attached. This comparison separates documented specifications from application-level engineering judgments.
ABB IRB 460 vs Nachi SRA100: quick verdict
Shortlist ABB IRB 460 for level-load palletizing with the specified ABB payload. Shortlist Nachi SRA100 for the documented Nachi payload/reach combination. First decide whether the product stays level or must be tilted. A payload match does not remove an architectural difference between four and six axes.
The numerical comparison below uses ABB IRB 460 against Nachi SRA100. The stated model scope matters when comparing later revisions or differently equipped installations. Published repeatability describes return to a taught position under specified conditions; it does not establish complete-cell accuracy or prove a faster production cycle.
Specifications and exact configuration scope
Criterion | ABB IRB 460 | Nachi SRA100 |
|---|---|---|
Comparison configuration | ABB IRB 460 | Nachi SRA100 |
Payload used for comparison | 110 kg | 100 kg |
Reach / motion-area reference | 2400 mm | 2654 mm |
Axes | 4 | 6 |
Repeatability for this scope | ±0.20 mm | ±0.06 mm |
Controller reference | ABB IRC5 or OmniCore | FD11 / FD18 |
Historical ATC review starting reference | From USD 65,000 | From USD 41,000 |
Purchase pricing | From $65,000 (arm list price) | From $41,000 (arm list price) |
Read the reach row together with the geometric notes below. Manufacturers may specify an arm-link sum, a wrist-centre motion area or reach to the flange; those dimensions are not interchangeable. The table does not establish access to every point at every tool angle. Controller references identify reviewed packages, and actual compatibility must be confirmed by model, software version and region.
ABB IRB 460: design and configuration
The IRB 460 is a 110 kg, 2400 mm four-axis palletizing arm. It suits level-product placement and compact end-of-line layouts. Its four-axis architecture does not provide the independent wrist pitch and roll of a six-axis handling robot, so cartons that must be tipped require a different process design.
Nachi SRA100: design and configuration
The Nachi SRA100 is a 6-axis spot welding robot with a 100 kg payload, a reach of 2654 mm and a position repeatability of ±0.06 mm. It is built for spot welding on automotive body lines and also handles material handling, machine tending and palletizing work. The arm weighs 960 kg and is designed for floor mounting, and it runs on the Nachi FD11 or FD18 controller. This is a heavy six-axis welding and handling platform. A spot-welding gun, transformer and service bundle must be included in wrist mass, moment and inertia. Confirm the specific FD controller and process options; a payload rating is not a weld-quality or installed-cycle specification.
For this pair, Nachi SRA100 offers 100 kg over the stated 2654 mm reference, compared with 110 kg and 2400 mm for the ABB example. Nachi SRA100 has the larger stated distance by 254 mm, but this difference is only a preliminary layout indicator because reference points and joint envelopes can differ. Locate the actual fixture in each manufacturer model before treating this as usable extra working space.
Payload, tooling and a worked load example
Consider an illustrative total wrist load of 80 kg: a 20 kg tool and adapter package carrying a 60 kg part or product group. This arithmetic leaves 30 kg below the ABB IRB 460 example’s nominal limit and 20 kg below Nachi SRA100’s nominal limit. These are mass differences, not safety factors or a validated load approval. A heavy camera, valve block or retained material must be included before recalculating the total.
The example exposes the practical question: is the application limited by mass, by tool offset or by wrist rotation? Nachi SRA100 is the lower-or-equal nominal payload choice in this pair. ABB IRB 460 offers more or equal headline mass capacity, but that alone cannot approve an eccentric fixture. Moving the same mass farther from the flange increases the moment, and spreading it increases rotational inertia. Manufacturer load diagrams and the actual centre of gravity govern the final allowable motion.
Model the empty, partly loaded and fully loaded tool states separately. A vacuum layer gripper, a weld torch with hoses or an inspection head may change its effective loading during the cycle. Set the controller’s load data for each supported state and validate the transition logic. A payload table cannot predict acceleration derating, cable pull or transient reactions at a machine interface.
Reach, orientation and fixture access
Build the same cell model for both candidates: base height, machine opening, fixture datum, maximum part size, tool extension and access for maintenance. ABB IRB 460 provides a stated 2400 mm reference, while Nachi SRA100 provides 2654 mm. Check the deepest production pose and the return path with the loaded tool. An arm that just touches the target at full extension may have little freedom left to turn, retract or avoid a door.
For this comparison, distinguish level-load palletizing from general reorientation. Four-axis palletizers can position and rotate a level product around the vertical axis, but cannot independently supply every pitch and roll angle. A six-axis arm may support tilted presentation or recovery, yet it must be assessed on the same pallet pattern and load. Check the lowest pickup, highest layer, farthest corner and safe exit path.
Precision and throughput: compare the same task
The comparison uses ±0.20 mm for ABB IRB 460 and ±0.06 mm for Nachi SRA100. These figures should be read in their documented configuration scope. Repeatability is not absolute accuracy, camera calibration accuracy or finished-part capability. Fixture variation, TCP calibration, thermal conditions and tool compliance can dominate the error at the process point, especially when the tool extends far from the flange.
Ask each integrator to execute the same representative path with the same payload model, tool length, process dwell and stop conditions. Report transfer time, settling time, process time and waiting time separately. Published standard cycles often use different loads and distances; dividing one catalogue cycle by another would not establish the production advantage of ABB IRB 460 over Nachi SRA100. Use a measured or validated application cycle before assigning a throughput benefit.
Programming, controls and production integration
ABB installations use the RAPID and RobotStudio engineering workflow, with the quoted controller and software determining the available functions. The reviewed DENSO platform requires its own controller, programming tools and compatible software package; match the exact robot generation before selecting interfaces. Existing staff skills, reusable code, spare parts and local service can therefore matter as much as the arm’s dimensional specifications.
Specify the PLC handshakes before ordering: cycle request, ready, busy, complete, fault, part present and recovery authorization. Define how an interrupted operation resumes without repeating a dangerous or quality-critical action. Vision, force sensing, fieldbus communication and external-axis coordination must be checked as explicit included or optional functions. An Ethernet connector does not by itself prove that a particular industrial protocol or software interface is licensed and supported.
Protection, installation and maintenance
Match the precise protection package to the process. Standard, protected, cleanroom, foundry and washing configurations can have different seals, services and maintenance requirements. Do not transfer the best optional IP or cleanroom rating to an unprotected base model. Check the controller location, cable bend radius, available lifting access and base reactions with the installer.
Plan for tooling changes and fault recovery as normal operating tasks. A gripper that can only be removed after dismantling guarding creates a maintenance cost that the robot purchase price will not show. Include access to connectors, lubrication points, mastering references and spare cables. Use a task-specific risk assessment and validated safeguarding for the whole installation; these industrial-arm specifications do not authorize unguarded collaborative operation.
Price and lifecycle value
The source reviews list starting references of USD 65,000 for ABB IRB 460 and USD 41,000 for Nachi SRA100. These are historical editorial starting references, not current sales offers, confirmed stock or matched quotations. Revision, supply condition and included controller can change the relevant price. Request a written quotation naming the arm, controller, pendant, cables, software options, warranty and commissioning scope.
Compare the installed production scope: tool, fixtures, sensing, guarding, machine interface, programming, acceptance and training. For palletizing, include infeed control, pallet detection, load retention and gripper services. Keep purchase cost and recurring support costs separate. No payback figure is defensible until the actual cycle, yield, utilization and installation quotation are known.
Selection and acceptance plan
Decision gate | ABB IRB 460 | Nachi SRA100 |
|---|---|---|
Strongest documented fit | level-load palletizing with the specified ABB payload | the documented Nachi payload/reach combination |
Main boundary | Tool mass, wrist moments and access constrain the headline specification. | Confirm exact configuration, controller, wrist loading and installation envelope. |
Required approval | Exact ABB variant, tool load and validated process path | Exact competitor revision, tool load and validated process path |
Acceptance evidence | Agreed parts, path, quality and recovery results | The same agreed parts, path, quality and recovery results |
Advance ABB IRB 460 when level-load palletizing with the specified ABB payload solves the real constraint and its selected configuration passes the load and access checks. Advance Nachi SRA100 when the documented Nachi payload/reach combination provides the more suitable process arrangement. Reject either candidate if a mandatory pose, protection requirement or controller function cannot be demonstrated. A purchasing shortlist should preserve these conditions instead of converting a single catalogue advantage into a blanket recommendation.
Before acceptance, agree the representative parts, tool states, operating sequence and quality criteria with both suppliers. Demonstrate cold start, normal production, rejected parts, interrupted cycles and controlled recovery. Record the final tool data and software backup. This turns the comparison into a repeatable purchasing decision and helps prevent a later fixture change from invalidating the original robot selection.
Frequently asked questions
Which robot is better for this application?
ABB IRB 460 is the stronger starting point for level-load palletizing with the specified ABB payload, while Nachi SRA100 is worth shortlisting for the documented Nachi payload/reach combination. The final choice depends on the real loaded path, required protection, controls and acceptance results. Neither a higher payload nor a longer reach establishes a universal winner.
What payload should I use for the comparison?
Use 110 kg for the specified ABB IRB 460 example and 100 kg for Nachi SRA100, subject to all documented load and orientation conditions. Include the tool, adapters, sensors and carried part. Confirm exact configuration, controller, wrist loading and installation envelope.
Does the stated reach guarantee access to my fixture?
No. The comparison gives 2400 mm for ABB IRB 460 and 2654 mm for Nachi SRA100 using the stated model references. Joint limits, reach reference points, wrist orientation, tool length and collisions determine whether the actual fixture is accessible. Simulate the full approach and exit path.
Can I use the best specifications from every family variant?
No. Keep each named model and revision intact. A different arm length, controller generation or protection option can change the relevant specification. Do not combine one version’s maximum payload with another version’s maximum reach.
Is repeatability the same as finished-part accuracy?
No. The stated values are ±0.20 mm for the ABB scope and ±0.06 mm for the competitor scope. Finished-part results also depend on fixtures, TCP calibration, sensing, thermal conditions and tool compliance. Validate the actual process instead of treating catalogue repeatability as a complete accuracy guarantee.
Are the review starting prices current purchase quotations?
No. From USD 65,000 and USD 41,000 are historical references from the linked ATC reviews. They are not current matched offers and do not establish stock or the installed-cell cost. Obtain configuration-specific quotations with the controller, software, tooling, safety and commissioning scope itemized.
Can these robots operate safely next to people without guarding?
These specifications do not establish a safe unguarded installation. Assess the complete task, tool, load and machine interface, then implement and validate the required safeguarding and operating procedures. Do not infer collaborative operation from a compact arm, limited payload or education setting.
What should an acceptance test compare?
Use the same parts, actual tool load, fixture locations, path and quality criteria for ABB IRB 460 and Nachi SRA100. Check production timing, settling, interruptions and recovery. Include the highest layer and farthest pallet corner. Approve the exact delivered configuration and preserve its final settings.
Related ATC reviews
Specifications describe the model scope identified above. Prices are indicative historical review references and may change. Confirm current manufacturer documentation, local supply, controller compatibility and the exact configuration before purchase.
