ESTUN ER100B-3000 Heavy Payload Industrial Robot for Material Handling

　　The ESTUN ER100B-3000 stands as a quintessential heavy payload industrial robot,engineered to tackle the most rigorous material handling tasks in modern industrial automation.As a 6-axis articulated robot with an impressive 100kg payload capacity and a substantial 3000mm reach,it bridges the gap between power and precision.Designed for applications from heavy palletizing to large-scale assembly,this robot combines a high-rigidity structure with advanced motion control algorithms to ensure stability and accuracy under full load.Its IP54 protection rating makes it a robust solution for challenging industrial environments.In sectors like automotive,lithium battery production,and logistics,the ER100B-3000 is not just a tool but a productivity multiplier,enabling automated handling of bulky,heavy items with repeatability that human labor or less capable machines cannot match.

　　Understanding the Heavy-Duty Articulated Robot

　　Industrial robots are categorized largely by their kinematic structure,and the 6-axis articulated robot,like the ER100B-3000,represents the most versatile and widely adopted type.Its design mimics the human arm,with six rotational joints(axes)providing maximum dexterity within a spherical work envelope.This allows the robot to orient tools or grippers at almost any angle,making it ideal for complex material handling,machine tending,and precision assembly tasks.

　　The“heavy payload”classification,typically for robots handling 100kg and above,demands distinct engineering.These robots prioritize structural integrity and torque over outright speed.Key components like gearboxes,arms,and the base are built with reinforced materials to prevent deflection under load,ensuring consistent accuracy as defined by its repeatability of±0.05mm.Unlike smaller collaborative robots designed for direct human interaction,heavy payload models like the ER100B-3000 operate at higher speeds and forces,necessitating installation in safeguarded work cells for safety.

　　Technical Specifications&Design Philosophy of the ER100B-3000

　　The ER100B-3000 is architected around the core principle of“stable power.”Its specifications are a careful balance designed for real-world industrial stamina.

　　Core Kinematic Performance:With six fully rotational axes,it offers the complete freedom of movement needed for complex material transfer and positioning.The standout figures are its 100kg(220 lbs)payload and 3000mm(118-inch)reach.This reach-to-payload ratio allows it to service multiple machines or cover a large palletizing area from a single fixed point.

　　Engineering for Stability:A robot’s weight indicates its rigidity.The ER100B-3000 has a substantial body mass of 1053kg,which acts as a stable counterbalance during high-momentum movements with heavy loads,minimizing vibration and ensuring the stated repeat positioning accuracy.The wrist,a critical stress point,boasts a higher IP65 protection rating compared to the body’s IP54,safeguarding internal components from dust and water ingress during demanding operations like machining or foundry applications.

　　Drive and Control Architecture:It is powered by AC servo motors and is typically paired with ESTUN’s proprietary control system.The integration of“self-developed dynamic algorithms,”as noted in product descriptions,is crucial.These algorithms optimize trajectory planning and torque control,allowing the robot to move its significant mass and payload smoothly,reduce cycle times,and minimize wear on mechanical parts.

　　Primary Applications&Economic Value Proposition

　　This robot excels in automating processes where size,weight,and endurance are critical constraints.

　　Heavy-Duty Palletizing and Depalletizing:This is a primary application.The ER100B-3000 can efficiently stack or unstack bags,boxes,or heavy components onto large pallets.Its long reach allows it to build stable,full-size pallets(e.g.,Euro or GMA standard)without needing a costly linear track,offering a high return on investment through 24/7 operation.

　　Machine Tending for Large CNC and Stamping Presses:It is perfectly suited for loading and unloading large metal parts,molds,or raw billets into machining centers,lathes,or heavy presses.Its precision protects valuable workpieces and tooling,while its strength handles the substantial weights involved in metalworking.

　　Material Transfer and Logistics:Within warehouse or production line logistics,it can transfer heavy engines,battery packs,or large appliances between conveyors,assembly stations,and shipping areas.Its IP54 rating provides resilience against ambient dust and particles common in such environments.

　　Spot Welding and Adhesive Dispensing for Large Assemblies:While not a dedicated arc welding robot,its payload capacity allows it to wield heavy spot welding guns or large dispensing heads for automobiles,agricultural equipment,or metal frames,combining reach and tool-handling power.

　　The economic rationale is clear:it reduces physical strain on workers,mitigates injury risks,improves throughput consistency,and allows one operator to supervise multiple automated processes.

　　Comparative Advantage in the ESTUN ER Series

　　Positioning within a manufacturer’s lineup is telling.The table below shows the ER100B-3000’s place in ESTUN’s mid-to-heavy range,highlighting its role as a balanced workhorse.

　　Model Payload Reach Repeatability Body Weight Key Application Focus

　　ER50B-2700 50 kg 2700 mm±0.06 mm 420 kg Medium parts handling,packaging

　　ER70B-2100 70 kg 2100 mm±0.06 mm 390 kg Assembly,material transfer

　　ER100B-3000 100 kg 3000 mm±0.05 mm 1053 kg Heavy palletizing,machine tending

　　ER160B-3200 160 kg 3200 mm±0.05 mm 1280 kg Very heavy lifting,tire handling

　　ER220-3100 220 kg 3100 mm±0.06 mm 1345 kg Ultra-heavy payload applications

　　Analysis:The ER100B-3000 fills a specific niche.Compared to the ER70B,it offers 43%more payload and 42%more reach,making it a clear choice for larger,heavier items.While the ER160B and ER220 offer more strength,the ER100B-3000 often provides a more cost-effective and potentially faster solution for applications that don’t require over 100kg,avoiding the expense of over-engineering.

　　Q&A:Deep Dive into Heavy Payload Robotics

　　1.Why is a 6-axis design the standard for complex material handling,and when would a 4-axis robot suffice?

　　The six axes provide unparalleled orientation flexibility.In material handling,a part often needs to be picked up,reoriented in space,and placed at a specific angle.A 6-axis robot can manage this in a single,fluid motion.For example,when placing a heavy engine onto a test stand,the robot must adjust the engine’s pitch and yaw for precise alignment.A 4-axis(or“selective compliance articulated robot arm”)robot,like some palletizing-specific models,is limited in wrist rotation.It excels in high-speed,repetitive“pick-and-place”tasks where the part does not need to be flipped or intricately reoriented—think of moving boxes from a conveyor onto a pallet in the same upright orientation.The choice hinges on path complexity versus speed/cost.

　　2.How does the IP54 protection rating impact where I can deploy the ER100B-3000?

　　The IP(Ingress Protection)code is critical for deployment planning.“IP54”means the robot is protected against limited dust ingress(5)and water spray from any direction(4).This makes the ER100B-3000 suitable for most standard industrial environments,such as automotive assembly lines,warehouse packaging areas,and machining shops where there might be occasional airborne dust or humidity.It is not,however,suitable for extreme conditions like direct washdown(requiring IP67),foundries with conductive dust,or outdoor installations exposed to rain.For such harsh settings,robots with higher protection(like IP67)or special protective casings are necessary.Understanding this rating prevents premature failure and ensures long-term reliability.

　　3.What are the key integration considerations beyond the robot itself for a heavy payload system?

　　Successfully integrating a robot like the ER100B-3000 involves a complete system view.First,the End-Effector:The gripper,vacuum lifter,or custom tooling must be rated for the full 100kg payload,including safety factors,and its weight is deducted from the usable payload.A poorly designed gripper can compromise stability.Second,Safety and Infrastructure:Due to its high kinetic energy,robust safety fencing,light curtains,or area scanners are mandatory.The concrete floor must have adequate load-bearing capacity and anchoring points for its 1+ton weight.Third,Ancillary Equipment:Integration with conveyors,machine interfaces(MTConnect,PROFINET),and programmable logic controllers(PLCs)requires careful planning.Finally,Cycle Time Analysis:Simulating the complete motion path is essential to ensure the robot’s speed meets production targets,as acceleration/deceleration times are longer with heavy masses.

　　4.How does the concept of“reach”versus“working envelope”affect cell layout for a robot like this?

　　“Reach”(3000mm for the ER100B-3000)is the maximum horizontal distance from the center of the robot base that the wrist can achieve.The“working envelope”is the entire 3D volume the wrist can access.For a robot with a long reach,the envelope is a large sphere with a“dead zone”near the base and potential unreachable areas behind the shoulder.When designing a work cell,you must map all pickup and drop-off points within this envelope,considering not just the wrist but also the attached tool and the part’s dimensions.The cell might need to be larger than anticipated to avoid“singularities”where the robot loses a degree of freedom.Smart layout planning,sometimes aided by offline simulation software,is crucial to maximize the utilization of the robot’s impressive reach without creating interference points.

　　5.In terms of total cost of ownership,what are the primary maintenance focuses for a heavy payload robot?

　　The TCO extends far beyond the purchase price.Preventive Maintenance is paramount:Regularly scheduled checks on gearbox oil,belt tension(if applicable),and bearing wear are more critical than for lighter robots due to higher stress.Calibration:Over time,mechanical wear can affect absolute accuracy.Periodic recalibration may be needed for ultra-precision tasks,though repeatability is generally stable.Energy Consumption:A 100kg robot consumes more power,especially during rapid acceleration.Evaluating its duty cycle can lead to energy-saving programming.Downtime Cost:The financial impact of a stalled heavy-payload line is significant.Choosing a robot with reliable components,good regional service support,and available spare parts(like ESTUN’s established ER series)minimizes this risk.Training in-house personnel for basic troubleshooting is a valuable investment.