ROBOTS NEED LUBRICATION?
Robots are now common in production environments, working tirelessly with multiple moving parts. They require lubrication for tasks like die casting and welding in harsh conditions. This lubrication is crucial for both daily operations and long-term maintenance. Two main greases are used in robotics: Molywhite, known for wear resistance and efficiency, and Vigo, a softer option based on hydrocarbons and mineral oils, likely improving robot performance and extending lubrication life.
Do robots need to have a lubrication system installed
Lubrication systems are critical for machines and mechanical assemblies, as they supply lubricants to points of friction. This includes a complete setup for transporting, distributing, regulating, cooling, and purifying lubricants, as well as monitoring parameters such as pressure, flow, temperature, and detecting faults with indications, alarms, and controls.
The primary purpose of a lubrication system is to reduce friction, extend the lifespan of equipment, improve efficiency, and prevent excessive wear and overheating.
The primary purpose of a lubrication system is to reduce friction, extend the lifespan of equipment, improve efficiency, and prevent excessive wear and overheating.
For instance, the Ugo Robot’s joints use strain wave gearing technology, which is sealed, independent, and self-lubricating throughout the product’s lifespan (without the need to exchange or add grease). During normal operation, the lubricating oil naturally circulates and spreads around the gears and bearings, maintaining proper lubrication of the mechanical system. On the other hand, regular maintenance of a robot’s mechanical arm includes keeping all axes’ rails and bearings clean and well-lubricated.
The type and choice of lubrication systems depend on the specific application and working environment of the robot. For example, in dusty environments, tracks need frequent cleaning. The presence of any metal fragments or powder might indicate poor lubrication. When designing a lubrication system, it’s important to consider the type of friction pairs (such as bearings, gears, rails, etc.), their operating conditions (such as speed, load, temperature, and the mechanism of oil film formation), and the type of lubricant (like oils, greases, or oil-mist lubricants).
Technical Data
- Lubrication Pump Parameter
| MODEL | Pressure (MPA) | Discharge (CC/MIN) | Reservoir(L) | Voltage(V) | Power (W) | PLC | TIMER | H(mm) |
| P-101-08 | DC24 | |||||||
| P-102-08 | AC220 | |||||||
| P-103-08 | 8 | 20 | 0.8 | AC380 | 28 | Yes | Yes | 260 |
| P-101-15-C | DC24 | |||||||
| P-102-15 | AC220 |
ROBOTS LUBRICATION
Assembly Robot
How long can an industrial robot be down before it affects the bottom line? Robots are vital for the rapid production we see today. They operate on a near continuous schedule and are often located in protected areas that are inaccessible. When a machine needs to be greased, production must be stopped or diverted.You can keep up with your demanding production schedule knowing you have improved operating time, lower maintenance costs, and components that last longer with an automatic lubrication system.
What are the types of lubrication systems for robots?
- Centralized lubrication system: This system uses a complete oil supply device to lubricate many points simultaneously. It is commonly used for gearboxes, feed boxes, entire machines or sets of mechanical equipment, and lubrication of automated production lines.
- Spray lubrication system: This system distributes the lubricant evenly to the required lubrication parts through a spray method.
APPLICATION
LUBRICATION SYSTEM (3)
In robotics, various lubricants may be used depending on the specific application and the components involved. Here are some common lubricants used in robotics:
1. Synthetic Lubricating Oils: Synthetic oils are widely used in robotics due to their excellent lubricating properties and resistance to oxidation, heat, and wear. They can provide long-lasting lubrication for gears, bearings, and other moving parts in robotic systems.
2. Greases: Greases are semi-solid lubricants that have a thicker consistency compared to oils. They are commonly used in robotic applications where prolonged lubrication and resistance to contamination or washout are required. Greases provide superior adhesion and sealing properties, making them suitable for joints, actuators, and other robotic components.
3. Silicone-Based Lubricants: Silicone-based lubricants are known for their high-temperature stability, low volatility, and compatibility with plastics. They can be used in robotic applications where there is a need for lubrication in high-temperature environments or when interacting with sensitive electronic components.
4. Dry Lubricants: In some cases, dry lubricants such as PTFE (polytetrafluoroethylene) or molybdenum disulfide (MoS2) coatings are used in robotics. These lubricants provide a low-friction surface, reducing wear and minimizing contamination buildup. They are often applied to sliding surfaces, like linear guides or ball screws, to minimize maintenance and ensure smooth motion.
5. Specialized Lubricants: Depending on the specific demands of the robotic application, specialized lubricants may be used. For example, food-grade lubricants are used in robotics applications in the food and beverage industry to ensure compliance with safety standards. High-vacuum lubricants are used in robotics operating in vacuum environments, and anti-corrosion lubricants are used to protect against moisture or corrosive agents.
The selection of lubricants for robotics depends on factors such as the type of robotic system, operating conditions, temperature ranges, load requirements, compatibility with materials, and any specific industry regulations that need to be adhered to. Manufacturers’ recommendations and guidelines should be followed when selecting and applying lubricants in robotic systems.
Robots require regular maintenance to ensure optimal performance, longevity, and safety. Here are some key maintenance tasks typically associated with robots:
1. Routine Inspections: Regular visual inspections of the robot’s mechanical components, wiring, and connections should be conducted to identify any signs of wear, damage, or loose connections. This can help detect potential issues before they escalate into larger problems.
2. Lubrication: Robots have moving parts that require proper lubrication to reduce friction, prevent wear, and ensure smooth operation. Lubrication schedules and types of lubricants used should follow manufacturer recommendations.
3. Cleaning: Regular cleaning of the robot, including its external surfaces and internal components, is necessary to remove dust, debris, or any other contaminants that may affect its performance or interfere with sensors and electrical connections. Care must be taken to use appropriate cleaning methods to avoid damaging sensitive components.
4. Calibration: Over time, robots may experience drift or inaccuracies in their movement or positioning. Regular calibration and adjustment of robotic systems are necessary to maintain precision and repeatability. This involves checking and fine-tuning parameters such as joint angles, speeds, positions, and sensor alignments.
5. Software Updates: Robots often rely on software systems to control their operations. Regular updates and patches should be applied to ensure the robot’s software is up to date, benefiting from improved performance, bug fixes, and new features.
6. Battery Maintenance: If the robot is powered by batteries, proper battery management is crucial. This includes monitoring battery health, ensuring proper charging practices, and replacing batteries when necessary.
7. Component Replacement: Over time, certain components may wear out or become damaged. Regularly inspecting and replacing components such as belts, cables, sensors, or gripper pads is necessary to maintain optimal performance and safety.
It is important to follow the manufacturer’s maintenance guidelines and schedules specific to the robot model in use. Regular maintenance not only helps prevent unexpected breakdowns but also extends the robot’s lifespan and ensures safe and efficient operation.
The frequency of robot maintenance depends on various factors, including the specific robot model, its application, operating conditions, and manufacturer recommendations. Here are some general guidelines for robot maintenance:
1. Routine Inspections: Visual inspections can be performed daily or at regular intervals, depending on the robot’s usage and environment. This allows for the early detection of any visible wear, damage, or loose connections.
2. Lubrication: Lubrication schedules vary based on the robot’s design and application. Some robots may require lubrication on a daily basis, while others might only need it weekly or monthly. The manufacturer’s guidelines should be followed regarding lubricant types, quantities, and intervals.
3. Cleaning: The frequency of cleaning depends on the working environment and level of contamination. Robots operating in dusty or dirty environments may require more frequent cleaning, while those in clean environments may need less frequent cleaning. Regularly scheduled cleanings can range from weekly to monthly.
4. Calibration: Calibration may be required periodically, especially if the robot shows signs of reduced accuracy or repeatability. It can range from quarterly to annual calibration, depending on the robot’s usage, precision requirements, and manufacturer recommendations.
5. Software Updates: Software updates can be performed as needed or when new versions or bug fixes are released by the manufacturer. This can range from monthly to annually, depending on the availability of updates and the criticality of the changes.
6. Battery Maintenance: Battery maintenance, including monitoring battery health and performing proper charging practices, should be done regularly, especially in robots powered by batteries. The frequency of battery maintenance will depend on the battery chemistry, usage patterns, and manufacturer recommendations.
7. Component Replacement: Component replacement is performed as needed when specific parts show signs of wear or damage. This can vary widely depending on the specific component, the robot’s usage, and the manufacturer’s recommendations.
It’s crucial to consult the robot’s operating manual and follow the manufacturer’s recommended maintenance schedules. Adhering to these guidelines ensures that maintenance tasks are performed at appropriate intervals, helping to maximize the robot’s performance, reliability, and lifespan.