The ESTUN ER20C-850-SR-HI Industrial Handling Robot is a high-performance solution developed for demanding 4 Axis Industrial Robot applications where speed,payload capacity,and positional accuracy must be balanced within a compact footprint.Designed as part of ESTUN’s ER series,this robot focuses on high-throughput handling tasks such as material transfer,palletizing assistance,machine tending,and automated assembly processes.
With a robust 4-axis mechanical structure,an extended working range of approximately 850 mm,and a rated payload of 20 kg,the ER20C-850-SR-HI is positioned for production lines that require both flexibility and repeatability.Its IP54 protection level supports stable operation in typical industrial environments where dust and splashing liquids may be present,making it suitable for long-term,continuous-duty automation.
Understanding 4 Axis Industrial Robots in Modern Automation
What Defines a 4 Axis Industrial Robot
A 4 Axis Industrial Robot typically refers to a SCARA-style robot architecture,consisting of two rotational joints in the horizontal plane,a vertical linear axis,and a rotational axis for end-effector orientation.This configuration enables fast,repeatable movements with high rigidity in the vertical direction,which is critical for precise placement and high-cycle handling tasks.
Unlike 6-axis articulated robots,4-axis robots prioritize speed,simplicity,and efficiency over complex spatial motion.This makes them ideal for repetitive operations where parts move within a defined horizontal workspace,such as conveyor-based production lines or automated cells with fixed tooling.
Typical Industries Using 4 Axis Industrial Robots
4 Axis Industrial Robots are widely deployed in electronics manufacturing,metal processing,packaging,automotive component handling,and general industrial automation.Their ability to maintain consistent cycle times while handling relatively heavy loads makes them especially attractive for applications that require both throughput and reliability rather than full multi-directional flexibility.
Key Design Characteristics of the ESTUN ER20C-850-SR-HI
Mechanical Structure and Load Capability
The ER20C-850-SR-HI is engineered with a rigid arm structure optimized for a 20 kg payload,allowing it to handle heavier components compared to many standard SCARA robots.This higher payload capacity supports the use of multi-gripper end effectors,fixtures,or tooling assemblies without sacrificing motion stability.
Its 850 mm working envelope provides sufficient horizontal reach for medium-sized work cells,enabling flexible layout design without excessive space requirements.This balance between reach and rigidity is particularly valuable in retrofitting existing production lines.
Environmental Protection and Industrial Durability
With an IP54 protection rating,the robot is suitable for environments where dust accumulation and occasional liquid exposure are expected.This level of protection supports stable operation in machining lines,metal part handling,and general factory conditions without requiring additional protective enclosures in most cases.
Performance Characteristics in Handling Applications
Speed,Repeatability,and Cycle Efficiency
In industrial handling tasks,overall productivity depends not only on raw speed but also on repeatability and motion smoothness.The ER20C-850-SR-HI is designed to maintain consistent cycle times under varying payload conditions,which is critical for synchronized production lines and automated machine interfaces.
High repeatability reduces downstream quality issues,especially in operations such as part placement,loading CNC machines,or transferring components between process stations.
Integration with Automation Systems
As an Industrial Handling Robot,this model is typically integrated with PLC-controlled systems,vision inspection units,safety controllers,and conveyor systems.Its control architecture supports precise coordination with external equipment,making it suitable for fully automated production cells where timing and synchronization are essential.
Application Scenarios Where the ER20C-850-SR-HI Excels
Material Handling and Transfer
The robot is well-suited for transferring parts between conveyors,trays,fixtures,and processing machines.Its payload capacity allows it to handle metal components,cast parts,or assembled modules that are beyond the limits of lighter SCARA robots.
Machine Tending and Line Automation
In CNC machine tending or press feeding applications,the combination of vertical rigidity and horizontal speed helps maintain accurate loading and unloading cycles.This improves machine utilization while reducing manual labor and operational variability.
Assembly and Sub-Assembly Operations
For assembly tasks involving fast positioning and moderate torque requirements,the ER20C-850-SR-HI offers an efficient alternative to more complex articulated robots,especially when assembly occurs within a defined planar workspace.
Advantages Compared with Other Industrial Robot Types
Compared to 6 Axis Industrial Robots
While 6-axis robots offer greater motion freedom,they are often more complex and costly for simple handling tasks.A 4 Axis Industrial Robot like the ER20C-850-SR-HI provides faster cycle times,simpler programming,and lower maintenance requirements when full spatial articulation is not required.
Compared to Smaller SCARA Robots
The key differentiator of this model is its higher payload capability.For applications where tooling weight and part mass exceed the limits of compact SCARA robots,the ER20C-850-SR-HI delivers increased capacity without sacrificing the inherent speed advantages of the SCARA architecture.
Packaging,Installation,and Operational Considerations
The robot is typically supplied with protective industrial packaging designed to prevent mechanical damage during transport.Installation requires a rigid mounting surface to fully utilize its payload and speed capabilities.Proper grounding,safety fencing,and emergency stop integration are essential for compliance with industrial safety standards.
Operational efficiency can be further improved through optimized motion paths,correct payload definition,and regular inspection of mechanical joints and cabling.
After-Sales Support and Lifecycle Value
Industrial robots are long-term investments,and lifecycle support plays a crucial role in total cost of ownership.Models like the ER20C-850-SR-HI are generally supported with spare parts availability,technical documentation,and service options that help ensure stable operation throughout extended production cycles.
Proper preventive maintenance and correct application matching significantly extend service life and protect production continuity.
Frequently Asked Questions About the ESTUN ER20C-850-SR-HI and 4 Axis Industrial Robots
How does a 4 Axis Industrial Robot improve efficiency in handling applications?
A 4 Axis Industrial Robot improves efficiency by focusing on speed,repeatability,and simplified motion rather than complex articulation.In handling applications,most movements occur within a horizontal plane with vertical pick-and-place actions.The SCARA-style architecture allows faster acceleration and deceleration,reducing cycle times while maintaining positional accuracy.This results in higher throughput and more predictable production rates.
From a system integration perspective,simplified kinematics reduce programming complexity and commissioning time.Engineers can optimize motion paths more easily,which leads to shorter setup periods and faster deployment.Over the long term,this simplicity also reduces maintenance requirements and downtime.
Additionally,energy efficiency is often better compared to larger multi-axis robots,especially in high-cycle operations.This makes 4 Axis Industrial Robots a cost-effective choice for continuous handling tasks.
What types of payloads are best suited for the ER20C-850-SR-HI Industrial Handling Robot?
The ER20C-850-SR-HI is designed for medium to heavy payloads up to 20 kg,making it suitable for metal components,assembled modules,tooling fixtures,and multi-part grippers.Applications that require stable handling of heavier parts benefit from its rigid structure and vertical axis strength.
In practical terms,this allows manufacturers to automate tasks that might otherwise require manual lifting or slower robotic solutions.The robot can accommodate both the part weight and the end-effector mass without compromising motion stability.
This payload capability also provides flexibility for future process upgrades.As tooling or product designs change,the robot can often support increased handling requirements without needing replacement.
In which industries is an Industrial Handling Robot like this most commonly used?
Industrial Handling Robots with 4-axis configurations are commonly used in automotive component manufacturing,metalworking,electronics assembly,packaging,and general industrial automation.These industries rely on fast,repeatable motion to maintain production consistency and quality.
In automotive and metal processing environments,the ability to handle heavier parts while maintaining precision is especially valuable.In electronics and packaging,speed and repeatability support high-volume output without sacrificing placement accuracy.
The versatility of this robot type allows it to be adapted across multiple sectors,especially where production lines are standardized and require reliable automation rather than complex motion flexibility.
How does IP54 protection impact real-world industrial usage?
An IP54 rating means the robot is protected against limited dust ingress and splashing water from all directions.In real-world industrial settings,this level of protection supports reliable operation in environments where airborne particles,coolant mist,or occasional cleaning processes are present.
This reduces the need for additional protective enclosures,lowering system complexity and installation costs.It also enhances long-term reliability by protecting internal components from contamination.
For many standard factory environments,IP54 provides a practical balance between protection and cost,making it suitable for continuous operation without excessive environmental controls.
When is a 4 Axis Industrial Robot a better choice than alternative automation solutions?
A 4 Axis Industrial Robot is the better choice when tasks involve repetitive pick-and-place,loading,unloading,or assembly within a defined workspace.If full 3D articulation is not required,using a simpler robot architecture results in faster cycles,lower costs,and easier system integration.
Compared to manual handling,robotic automation improves consistency,safety,and throughput.Compared to more complex robotic systems,it offers a streamlined solution that aligns closely with real production needs.
For manufacturers seeking a balance between performance,reliability,and investment efficiency,a model like the ER20C-850-SR-HI represents a practical and scalable automation solution.
FAQ
1.Who are We?
Beijing Zhongping Technology Co., LTD., is a one-stop integrated service provider of intelligent manufacturing, belongs to the Gong Doctor Group, is a scientific research, design, marketing, technical services, industrial Internet, international import and export services as one of the science and technology companies.
2.What can you buy from us?
PLC, inverter, human-machine interface, hydraulic products, low-voltage power distribution, industrial robots and core components
3.Is the item in stock or need to be purchased from another supplier?
We have a large inventory of goods and have our own warehouse.
4.What advantages do we have over other suppliers?
Our company has a large amount of inventory and a number of warehouses, but also in the country's important industrial provinces and cities with offices and a number of overseas service points. To provide you with intelligent manufacturing one-stop comprehensive services, save efforts, labor and cost.
5.Can you provide 100% new original authentic products?
We only sell new original genuine, no renovation, no fake, only for the original factory original!
6.How long is the delivery time?
If there is a stock, it will take 2-3 working days to ship, if the quantity is large, it will take 5-7 working days after receiving the payment, if it is not a conventional model, it will take some time, we will inform you of the specific delivery time.
7.Is there technical support available?
Of course, we have a professional technical team that can help you solve technical problems.
8.How do we guarantee quality?
We have three processes to control the quality of goods.
1). Our engineers will inspect the production and quality control in the factory regularly.
2) Incoming materials shall be inspected by experienced purchasing engineers before they can be stored.
3). At least 2 people in the logistics department cross-check the goods to be sent before delivery.
9.Can you guarantee the safe and reliable delivery of your products?
Yes, we strictly adopt the international standard packing. We also use special packaging for dangerous goods, and refrigerated shipping for items with temperature requirements. Special item packaging and general cargo standard packaging requirements may incur additional costs.
10.How about the freight?
The cost depends on how you choose to get the goods. Express is usually the fastest but also the most expensive way. Sea freight is the best solution for large quantities of goods. The exact shipping cost depends on the purchase amount、quantity and weight of your order. Please feel free to contact us for more information.
010-64225983
+8613811814778
info@zhongpingtech.com
Building 26, Liyuan Community, Chaoyang District, Beijing, China
