How to repair mobile museum strong shelving

Mobile museum strong shelving, also known as compact cabinets, is a high-density storage device designed for museums to store and manage a large number of cultural relics, artworks, y archivos. Mobile museum compact shelving is a rack with axle wheels installed on the base of a double-sided fixed rack. It can move in a straight line along a small guide rail laid on the ground. Multiple racks can be moved close to or apart from each other as needed, thereby achieving the purpose of efficient use of storage space. Sin embargo, the maintenance of mobile museum compact shelving is a process involving multiple steps and precautions.

Mobile Museum Strong Shelves Repair

mobile museum strong shelving

1. Maintenance steps

Troubleshooting

Observe whether the compact rack has obvious damage, such as scratches, falta de rebote, and breakage.

Check whether the operation is flexible and whether the components work well together.

Develop a corresponding maintenance plan by diagnosing the nature and location of the problem.

Desmontaje

Disassemble in the order of columns first and then racks. First remove the side panels of each column, then loosen the screws fixed to the column body and remove the column body from the track.

Be careful to stay safe during the disassembly process to avoid injury.

Cleaning

Clean the disassembled parts to remove dust and dirt.

Be careful to protect the lines and equipment to avoid damage.

When cleaning, use a soft rag and avoid using rough cloth or detergent to avoid scratching the surface of the compact rack.

Repair or replace parts

Repair or replace damaged parts according to the problems found.

If the problem is caused by improper operation, such as the locking device under the crank is not open, it needs to be adjusted to the open state.

If it is a transmission device failure, such as a loose sprocket or a deformed hook, it is necessary to re-tighten the sprocket or contact the manufacturer to replace new parts.

Asamblea

Reassemble the compact shelving in the reverse order of disassembly.

Ensure that the screws are tight, the transmission part is flexible, and the obstacles on the track have been cleared.

Después del montaje, check whether the components are well matched and whether the operation is flexible.

Acceptance

Acceptance is the last step of maintenance work and an important part of ensuring the quality of maintenance.

Check whether the overall appearance of the compact shelving is intact, whether the operation is flexible and reliable, and ensure that the compact shelving reaches the best storage state.

2. Precautions

mobile museum strong shelving

Safe operation

Be sure to cut off the power supply of the compact shelving before maintenance to prevent electric shock accidents.

During the disassembly and assembly process, pay attention to personal safety and avoid injury.

Keep clean

Avoid using highly corrosive detergents when cleaning to avoid damaging the surface of the compact shelving.

…

More detailed information about the restoration of the mobile museum storage racks can be found at: https://www.etegreen.com/en/a/news/mobile-museum-strong-shelving-repair.html

/por

What are the spindle bearing models?

Spindle bearing models refer to specific series and types of bearings designed for use in high-speed and high-precision applications, such as in machine tool spindles. These bearings come from various manufacturers and are categorized based on their design, capacidad de carga, speed capability, y precisión.

Spindle bearing models

Rodamientos de husillo

1. Rodamientos de bolas de contacto angular

SKF 70xx, 72xx, 73xx Series:

Descripción: High-speed, high-precision bearings designed for applications requiring both radial and axial load capacity.

Aplicaciones: CNC machines, grinding spindles, fresadoras.

NSK 70xx, 72xx, 73xx Series:

Descripción: Known for high precision and durability, these bearings offer various preload options to increase rigidity.

Aplicaciones: Machine tools, high-speed spindles.

FAG B70, B719 Series:

Descripción: Ultra-precision angular contact ball bearings with high rigidity, often used in high-speed applications.

Aplicaciones: Precision machine tools, spindles, and robotics.

2. Rodamientos de rodillos cilíndricos

SKF N10, NUP10 Series:

Descripción: High-speed cylindrical roller bearings with excellent load capacity, suitable for high radial loads.

Aplicaciones: Machine tool spindles, heavy-duty machinery.

FAG N10, NUP10 Series:

Descripción: Designed for applications requiring high radial load capacity and high precision.

Aplicaciones: Milling machines, tornos, and other precision machinery.

NTN NN30xx Series:

Descripción: High-precision, double-row cylindrical roller bearings with high load capacity and rigidity.

Aplicaciones: High-precision spindles, grinding machines.

Rodamientos para máquinas herramienta

3. Rodamientos de rodillos cónicos

Timken 3xx, 4xx Series:

Descripción: High-load capacity bearings designed to handle both radial and axial loads in machine tools.

Aplicaciones: Spindles requiring both high load capacity and precision.

…

For more detailed information about spindle bearing models, por favor haga clic aquí: https://www.lkwebearing.com/news-center/spindle-bearing-model.html

/por

What are the types of flange screw bearings?

Flange screw bearings, commonly referred to as flange bearings or flange mounted bearings, are used to support shafts and offer a secure mounting surface with a flange. There are several types, each suited to different applications.

Flange screw bearing type

1. 2-Bolt Flange Bearings

Descripción: These have a circular flange with two mounting holes.

Common Use: Used in light-duty applications where space is limited.

2. 3-Bolt Flange Bearings

Descripción: These have a triangular flange with three mounting holes.

Common Use: Provide a more stable mounting than 2-bolt versions, often used in agricultural and industrial machinery.

3. 4-Bolt Flange Bearings

Descripción: These have a square or rectangular flange with four mounting holes.

Common Use: Used in heavy-duty applications due to their secure and stable mounting.

4. Piloted Flange Bearings

Descripción: These have a central pilot that fits into a corresponding hole in the mounting surface for added alignment.

Common Use: Provide precise alignment and are often used in high-precision machinery.

5. Pressed Steel Flange Bearings

Descripción: Made from pressed steel, these are lightweight and economical.

Common Use: Suitable for light-duty applications where cost is a concern.

Rodamientos de husillo

6. Cast Iron Flange Bearings

Descripción: Made from cast iron, these are more robust and durable.

Common Use: Used in heavy-duty applications where strength and durability are essential.

…

For more detailed information about flange screw bearing types, por favor haga clic aquí: https://www.lkwebearing.com/news-center/flange-screw-bearing-type.html

/por

How to adjust the preload of the spindle bearing

Adjusting the preload of rodamientos de husillo is a critical task that directly impacts the performance, precisión, and longevity of the spindle. Preload refers to the force applied to the bearings during assembly to eliminate internal clearance and enhance rigidity. Here’s a step-by-step guide to adjusting the preload of spindle bearings:

Spindle bearing preload adjustment method

Rodamientos de husillo

1. Understand the Bearing Type

Rodamientos de rodillos cónicos: These bearings typically require a specific preload for optimal performance.

Angular Contact Bearings: These are commonly used in spindles and also require precise preload adjustments.

Rodamientos de bolas: May be preloaded depending on the application, often with springs or other mechanisms.

2. Prepare the Necessary Tools and Equipment

Llave de torsión

Dial indicator or micrometer

Bearing heater (if thermal methods are used)

Manufacturer’s service manual or preload specifications

3. Clean and Inspect Components

Ensure all bearing surfaces, alojamiento, and spindle shaft are clean and free of debris or damage.

Inspect the bearings for any signs of wear or defects.

4. Assemble the Bearings and Components

Install Bearings: Carefully place the bearings on the spindle shaft or in the housing. Use a bearing heater if thermal expansion is needed to fit the bearings without damage.

Apply Initial Tightening: Lightly tighten the components (nueces, sleeves, etc.) to hold the bearings in place.

5. Adjust the Preload

For Tapered Roller Bearings:

Tighten the adjustment nut to eliminate any endplay.

Continue tightening until you achieve the specified preload torque, typically given in the manufacturer’s manual.

Measure the rotational torque or use a dial indicator to check for the correct preload. The spindle should rotate smoothly without any play.

For Angular Contact Bearings:

Preload is often applied through a spacer or spring mechanism. Ensure the spacer thickness matches the manufacturer’s preload specification.

Assemble the spindle, and adjust the preload by tightening the nut or adjusting the spring tension according to the manufacturer’s recommendations.

…

For more detailed information on the spindle bearing preload adjustment method, por favor haga clic aquí: https://www.lkwebearing.com/news-center/spindle-bearing-preload-adjustment-method.html

/por

What are the spindle bearing assembly methods?

Spindle bearings are bearings installed on the spindle of a machine tool to support the spindle and bear the loads on it, including radial loads and axial loads. Its performance directly affects the machining accuracy, rigidity and service life of the machine tool. The assembly method of the spindle bearing varies depending on the bearing type, size and application scenario. The following is a detailed explanation of the assembly method of the spindle bearing. Let’s learn about it together!

Spindle bearing assembly method

Rodamientos de husillo

1. Preparación

Cleaning: Antes de la instalación, use a special cleaning solvent to thoroughly clean the shaft, bearing seat and the bearing itself to ensure that there are no impurities, dirt and oil on the surface. This is to prevent impurities from entering the bearing and affecting the bearing performance.

Check the size and accuracy: Check the size and accuracy of the shaft and bearing seat to ensure that they meet the use requirements of the bearing. If the size or accuracy does not meet the requirements, it will cause the bearing to run unstably or even break prematurely.

Prepare tools and lubricants: Prepare the required installation tools (such as presses, pullers, special sleeves, etc.) and lubricants (select grease lubrication or oil lubrication according to actual needs).

2. Installation steps

Place the bearing: Gently place the bearing on the shaft or bearing seat, ensuring that the bearing is fully aligned with the shaft or bearing seat. Avoid using heavy tools such as hammers to directly hit the bearing to avoid damaging the bearing.

Ajuste el espacio libre: According to the type and size of the bearing, adjust the clearance of the bearing by adjusting the position of the bearing seat, adding or removing shims, etc. Make sure the clearance is adjusted appropriately to ensure the normal operation of the bearing.

Fix the bearing: Use appropriate nuts, bolts or other fixings to fix the bearing on the shaft and bearing seat. When tightening the fixings, pay attention to the torque to be appropriate, neither too tight nor too loose.

…

For more detailed information on spindle bearing assembly methods, por favor haga clic aquí: https://www.lkwebearing.com/news-center/spindle-bearing-assembly-method.html

/por

Cómo mantener la criba vibratoria.

Maintaining a vibrating screen is essential to ensure its efficient operation and long service life. Regular maintenance helps prevent unexpected breakdowns, reduces downtime, and ensures consistent screening performance.

mantenimiento de cribas vibratorias

Vibrating screen maintenance

1. Inspección regular

Daily Checks:

Inspect the screen surface for wear, daño, or clogging.

Check for any unusual noise or vibration during operation.

Ensure that the screen tension is appropriate and that all bolts are securely tightened.

Weekly Checks:

Inspect the vibrator motor for any signs of overheating or unusual sounds.

Check the springs for signs of fatigue, grietas, or breaks.

Inspect the drive belts for wear and proper tension.

Ensure that all bearings are in good condition and properly lubricated.

Monthly Checks:

Inspect the entire frame for cracks, corrosión, or deformation.

Check the condition of the screen panels or meshes and replace them if necessary.

Ensure that the motor mountings are secure and aligned properly.

2. Cleaning

Clean the Screen Surface:

Regularly clean the screen to remove any material buildup that could cause clogging or reduce screening efficiency.

Use appropriate cleaning tools or compressed air, but avoid harsh tools that could damage the screen mesh.

Remove Debris from the Machine:

Clean the area around the vibrating screen to prevent debris from interfering with the machine’s operation.

3. Lubricación

Bearing Lubrication:

Lubricate all bearings as per the manufacturer’s recommendations, typically using a grease gun.

Use the correct type of grease and avoid over-lubrication, which can cause overheating.

Motor Lubrication:

Some motors may require periodic lubrication; follow the manufacturer’s guidelines.

Vibrating screen maintenance

4. Tightening and Alignment

Check Bolts and Fasteners:

Regularly inspect and tighten all bolts and fasteners to prevent loosening due to vibration.

Ensure Proper Alignment:

Make sure the screen is properly aligned with other equipment in the production line to avoid unnecessary stress on the machine.

…

For more detailed information on vibrating screen maintenance, por favor haga clic aquí: https://www.zexciter.com/en/a/news/vibrating-screen-maintenance.html

/por

¿Cuáles son los tipos de pantallas vibratorias??

Cribas vibratorias Son dispositivos mecánicos que se utilizan para separar materiales por tamaño.. Son ampliamente utilizados en industrias como la minería., construcción, y reciclaje. Diferentes tipos de cribas vibratorias están diseñadas para satisfacer necesidades específicas..

Tipos de cribas vibratorias

Vibrating screens

1. Cribas vibratorias inclinadas

cuando la precisión de funcionamiento del rodamiento no cumple los requisitos: La plataforma de la criba está inclinada en ángulo, normalmente entre 15° y 30°.

Operación: El material se mueve a través de la pantalla por gravedad y vibración., permitiendo que partículas más pequeñas pasen a través de la malla de la pantalla.

Usar: Comúnmente utilizado en minería y canteras para clasificar grandes volúmenes de materiales..

2. Cribas vibratorias horizontales

cuando la precisión de funcionamiento del rodamiento no cumple los requisitos: La plataforma de cribado está horizontal o casi horizontal..

Operación: El material se mueve a través de la pantalla mediante una acción vibratoria., que puede ser circular, lineal, o elíptica.

Usar: Adecuado para cribado fino y cuando se necesita un flujo de material plano.

3. Cribas de múltiples pendientes o tipo banana

cuando la precisión de funcionamiento del rodamiento no cumple los requisitos: La pantalla tiene múltiples pendientes., generalmente comienza con una pendiente pronunciada y termina con una menos profunda.

Operación: Los diferentes ángulos ayudan a aumentar el área de detección y la velocidad., mejorar la capacidad y la eficiencia.

Usar: Ideal para cribado de alta capacidad con una amplia gama de materiales.

4. Cribas vibratorias circulares

cuando la precisión de funcionamiento del rodamiento no cumple los requisitos: El cuadro de la pantalla se mueve en un movimiento circular..

Operación: El movimiento es causado por un eje desequilibrado o un motor con contrapeso..

…

Puede encontrar información más detallada sobre los tipos de cribas vibratorias en: https://www.zexciter.com/en/a/news/vibrating-screens-types.html

/por

Guía de selección de motores de vibración

UNA vibratory motor is a type of motor used to generate vibrations in machinery and equipment, typically for tasks such as material handling, poner en pantalla, and conveying. Vibratory motors are essential components in industries like mining, construcción, procesamiento de alimentos, and manufacturing.Selecting the right vibratory motor is crucial for ensuring the efficiency and effectiveness of vibratory equipment like feeders, pantallas, transportadores, and other vibrating systems.

Guía de selección de motores de vibración

vibratory motor

1. Determine the Application Requirements:

Type of Equipment: Identify whether the motor will be used in a vibrating feeder, screen, y el producto calificado final después de que se completa la clasificación, or another type of vibrating equipment.

Características de los materiales: Consider the type of material being processed (p.ej., bulk density, particle size, flowability) as these factors will influence the motor’s power requirements.

Operating Environment: Consider the working environment, como la temperatura, humedad, exposure to dust, and whether the motor will operate indoors or outdoors.

2. Calculate the Required Force Output:

Static Moment (Force Output): This is a critical factor in motor selection. It’s typically measured in Newton meters (Nm). The static moment is calculated based on the weight of the material, the equipment, and the desired amplitude of vibration.

Static Moment = Mass x Distance (where mass is the total mass to be moved and distance is the eccentric distance of the motor’s weights).

Manufacturers often provide guidelines or calculators to help determine the correct static moment for specific applications.

3. Determine Motor Size and Power:

Motor Size: Select a motor that can provide the necessary force output. The motor size is directly related to the amount of force it can generate.

Power Rating: Ensure the motor has sufficient power to meet the requirements of the application. Power ratings are typically given in kilowatts (kW) or horsepower (HP).

Velocidad: Choose a motor with an appropriate rotational speed (Rpm). The speed will affect the frequency of vibration. Higher speeds generally result in higher frequencies, which may be suitable for fine materials, while lower speeds are better for coarser materials.

vibratory motor

4. Consider the Type of Vibratory Motor:

Motor desequilibrado: Typically used for feeders, pantallas, and conveyors. They generate vibration through an unbalanced weight attached to the motor’s shaft.

Electromagnetic Vibrator: Suitable for applications requiring precise control of vibration and are often used in feeding applications.

…

For more detailed information about the vibration motor selection guide, por favor haga clic aquí: https://www.zexciter.com/en/a/news/vibration-motor-selection-guide.html

/por

How does the single deck banana screen work?

UNA single-layer banana screen, also known as a multi-slope screen, is a type of vibrating screen that is widely used in mining, agregar, and mineral processing industries. It is named for its banana-like shape, with multiple deck slopes that increase progressively from feed end to discharge end. This design helps to achieve higher throughput and more efficient separation.

Working Principle of Single Layer Banana Screen

single-layer banana screen

Alimentación

Material Introduction: The material is fed onto the screen at the feed end. The feed rate and material distribution are critical for efficient screening.

Initial Screening: The initial section of the screen deck is typically inclined at a steeper angle, which helps to rapidly stratify the material and initiate the screening process.

Vibración

Vibratory Motion: The screen deck is vibrated using an eccentric drive mechanism. The vibration helps to move the material along the screen surface and separate particles based on size.

Amplitud y frecuencia: The amplitude and frequency of vibration are crucial parameters that influence the screening efficiency. They can be adjusted based on the material characteristics and desired separation size.

Proceso de selección

Multi-Slope Design: The banana screen features a series of decks with progressively decreasing angles. The top deck has the steepest angle, and the angle decreases towards the discharge end. This design helps to maintain a higher material velocity at the feed end and slower velocity at the discharge end.

Material Stratification: As the material moves along the screen, it stratifies, with finer particles moving towards the bottom and coarser particles remaining on the top. This stratification enhances the separation efficiency.

Separación: The material is separated into different size fractions as it moves across the screen. The undersized particles pass through the screen apertures, while the oversized particles are discharged at the end.

single-layer banana screen

Descargar

Oversized Material: The oversized material that does not pass through the screen apertures is discharged at the end of the screen.

Undersized Material: The undersized material that passes through the screen is collected and can be further processed or sent to the next stage of the production process.

…

For more detailed information about the working principle of single deck banana screen, por favor haga clic para visitar: https://www.zexciter.com/en/a/news/single-deck-banana-screen-working-principle.html

/por

¿Cuál es el principio de flexión del horno de templado y flexión plana??

El principio de flexión de un horno de templado y flexión plana implica el proceso de calentar vidrio plano a una temperatura específica., permitiendo que se vuelva flexible, y luego doblarlo en la forma deseada antes de enfriarlo para templar el vidrio.. Este proceso es ampliamente utilizado en la producción de vidrio templado curvado o doblado., que se usa comúnmente en automoción, arquitectónico, y varias otras aplicaciones.

Principio de flexión del horno de templado y flexión plana.

horno de templado de vidrio?

Horno de templado por flexión plana

1. Calentar el vidrio

Proceso de calentamiento:

The flat glass is first placed on a roller bed or conveyor inside the tempering furnace.

The furnace heats the glass uniformly to a temperature typically between 600°C and 700°C, which is above the glass’s softening point but below its melting point.

The heating is done in a controlled manner to ensure that the glass becomes soft and pliable without losing its shape or developing surface defects.

2. Bending the Glass

Gravity Bending:

In some systems, the glass is allowed to sag under its own weight into a pre-shaped mold or curved rollers as it softens. The mold defines the final shape of the glass.

The glass conforms to the mold’s curvature as it is gradually bent into the desired shape.

Press Bending:

In other systems, mechanical presses or pneumatic devices are used to apply pressure on the softened glass, forcing it into the desired shape against a mold.

…

For more detailed information about the bending principle of flat bending tempering furnace, por favor haga clic para visitar: https://www.shencglass.com/en/a/news/bending-principle-of-flat-bending-tempering-furnace.html

/por