High-pressure grinding rolls is mainly used in the ore industry and is also a type of crusher. As the main equipment for crushing in the ore industry, since it is the main equipment, it will be used very frequently. All machines are inseparable from daily maintenance and overhaul. Correct maintenance and overhaul can increase the service life of the machine, and early overhaul can detect problems early, so that small problems will not become bigger, affecting normal work and causing accidents.

Common fault inspection and repair of high-pressure grinding rolls

1. If the lubrication system finds that there is no grease overflow from the labyrinth seal of the bearing seat, the following reasons may be the case:

① lack of oil;

② pipeline failure;

③ grease pump is broken. If the color and properties of the oil flowing out of the oil drain port of the non-loaded bearing seat are found to have changed, it may be that cooling water or other foreign matter has been mixed into the lubricating grease.

2. The movable roller moves irregularly in the horizontal direction. Generally, the nitrogen accumulator pressure is insufficient or damaged.

3. The hydraulic oil temperature is high. It may be: serious internal leakage in the system or the pump has been running for too long, and the hydraulic system needs to be checked.

4. The roller gap is too large. There may be the following reasons:

① Severe wear on the roller surface;

② No pressure;

③ There is material accumulation between the rollers. It needs to be handled as appropriate.

5. The roller gap is too small. It may be that there is a problem with the size of the gap block, or the position of the displacement sensor is set incorrectly.

6. The roller is stuck. It may be that there is foreign matter between the rollers, or there is too much material stored between the rollers when starting.

7. The roller does not rotate. The reasons include:

① Motor failure;

② Reducer failure.

8. The roller surface temperature is too high. It may be that the feed temperature is too high. Measures should be taken to control the upstream raw material temperature, otherwise it will affect the wear resistance of the roller surface and accelerate wear.

9. The bearing temperature is too high. The reasons include:

…

For more detailed information on the inspection and maintenance of high pressure grinding roller, please click here:https://www.zymining.com/en/a/news/high-pressure-grinding-rolls-inspection.html

Both roller bearings and ball bearings are rolling bearings used to reduce friction and support radial and axial loads in rotating applications. They differ significantly in several ways.

Difference Between Roller Bearings and Ball Bearings

1. Basic Definition and Structure

Roller bearing: It is a kind of rolling bearing and one of the widely used components in modern machinery. It relies on rolling contact between the main components to support the rotating parts. The rolling element of the roller bearing is usually cylindrical or conical, with different structural types, such as spherical roller bearings, thrust spherical roller bearings, tapered rollers and cylindrical roller bearings.

Ball bearing: It is also a kind of rolling bearing, and its rolling element is spherical, that is, the steel ball is installed between the inner and outer steel rings. The design of ball bearings enables it to withstand large loads and is widely used in various mechanical equipment.

2. Contact Mode and Load-bearing Capacity

Contact mode: The rolling element and raceway of the roller bearing are in line contact. As the load increases, the contact line will become a rectangle, and the contact area is relatively large. The rolling element and raceway of the ball bearing are in point contact. As the load increases, the contact point will become an elliptical area, and the contact area is small.

Load-bearing capacity: Due to the different contact areas, roller bearings usually have higher load-bearing capacity. Compared with ball bearings of the same size, roller bearings can withstand heavier loads, but the speed may be relatively low. Ball bearings are more suitable for low torque and high speed applications.

3. Application Characteristics

Roller bearings:

Applicable to occasions that need to withstand high radial and axial forces.

The starting torque is small, the rotation accuracy is high, and it is easy to select.

…

For more detailed information about the difference between roller bearings and ball bearings, please click here: https://www.boyingbearing.com/en/a/news/difference-between-roller-bearings-and-ball-bearings.html

Harmonic reducers, also known as harmonic drive gears or strain wave gears, are precise mechanical devices used to reduce speed and increase torque in various applications. They rely on flexible elements and harmonic waves to achieve motion. Bearings are a critical component in harmonic reducers, supporting their smooth operation and long lifespan.

Harmonic reducer bearings types

Crossed Roller Bearings:

Structure: Cylindrical rollers are arranged in a crisscross pattern.

Advantages: High rigidity, high load-carrying capacity, and precision.

Applications: Often used in robotics, aerospace, and precision machinery where compact size and high accuracy are essential.

Cylindrical Roller Bearings:

Structure: Cylindrical rollers are aligned parallel to each other.

Advantages: Can handle high radial loads and moderate thrust loads.

Applications: Suitable for heavy-duty applications with high radial loads.

Angular Contact Ball Bearings:

Structure: Balls are arranged at an angle, allowing them to handle combined radial and thrust loads.

Advantages: High-speed capability, good axial and radial load support.

Applications: Commonly used in applications requiring both radial and axial load handling, such as in precision instruments and machinery.

…

For more detailed information about harmonic reducer bearing types, please click here: https://www.boyingbearing.com/en/a/news/harmonic-reducer-bearings-types.html

Vertical grow rack systems are a widely used cultivation method in modern agriculture, especially in urban agriculture and indoor planting. These systems maximize the use of space and resources through vertically stacked planting structures, improving the efficiency and quality of agricultural production.

Vertical Grow Rack Systems Types

1. Hydroponic Vertical Systems

Hydroponic systems grow plants without soil, using nutrient-rich water solutions instead. They are highly efficient in water and nutrient use, and can be set up in various configurations:

Nutrient Film Technique (NFT): A thin film of nutrient-rich water flows over the roots of the plants, which are supported by a channel or trough. This method is ideal for leafy greens and herbs.

Vertical Drip Systems: Plants are grown in a vertical arrangement, often in towers or columns, with nutrient solution delivered directly to the roots through a drip system. This method is versatile and can support a wide variety of plants.

Aeroponics: Plants are suspended in the air with their roots misted with a nutrient solution. This method maximizes oxygen availability to the roots and is very efficient in terms of water and nutrient use.

2. Soil-Based Vertical Systems

These systems use traditional soil or soilless growing media to support plant growth. They are often simpler and less costly to set up compared to hydroponic systems:

…

For more detailed information on vertical grow rack systems types, please visit: https://www.etegreen.com/en/a/news/vertical-grow-rack-systems-types.html

Industrial shelves are heavy-duty shelving units designed for use in warehouses, factories, workshops, and other industrial settings. They are built to store large, heavy items and can withstand significant weight and stress.The standard height of industrial shelves can vary based on the type of shelving system and its intended use.

Industrial Shelves Standard Height

Light to Medium Duty Shelving:

Typical heights range from 72 inches (6 feet) to 96 inches (8 feet).

Commonly used in storage rooms, workshops, and smaller warehouse areas.

Heavy Duty Shelving:

Heights can range from 96 inches (8 feet) to 144 inches (12 feet) or more.

Designed for warehouses, distribution centers, and large storage facilities.

Pallet Racking Systems:

Heights can vary significantly, often from 96 inches (8 feet) to 240 inches (20 feet) or more.

Customizable based on the height of the warehouse and the type of goods stored.

Boltless Shelving:

Typically ranges from 72 inches (6 feet) to 96 inches (8 feet).

Easy to assemble and adjust, suitable for various storage needs.

…

For more detailed information on standard height of industrial shelves, please click here: https://www.etegreen.com/en/a/news/industrial-shelves-standard-height.html