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Welding turntable is a special equipment used for welding operations. It can rotate the workpiece at various angles and speeds to facilitate the welder’s welding operations. This equipment is widely used in industries that require precise and efficient welding, such as machine manufacturing, automobile manufacturing, аэрокосмический, petrochemicals, and shipbuilding.

Main components of welding turntable

Base: The base part of the welded turntable that provides stability and support.

Rotary table: a rotatable work table installed on the base and used to fix the workpiece.

Система привода: usually composed of an electric motor and a reducer, responsible for providing rotational power and controlling the speed.

Control system: including electrical control box and operation panel, used to control the rotation speed, angle and direction of the turntable.

Clamp: used to fix the workpiece to keep it stable during the welding process.

How the welding turntable works

The welding turntable rotates the rotary table through the drive system, and the workpiece is fixed on the rotary table. During the welding operation, the welder or automatic welding equipment can perform welding in a fixed position, and the rotating movement of the turntable ensures that the weld seam is maintained at the optimal welding position and angle.

Clamping the workpiece: The workpiece is fixed on the rotary table by the fixture to ensure that it does not move during the rotation.

Set parameters: Set parameters such as rotation speed, rotation direction and rotation angle through the control system.

Start the equipment: start the welding turntable, and the drive system starts to work, making the turntable and workpiece rotate.

Welding operation: Welders or automatic welding equipment perform welding during the rotation of the workpiece to ensure welding quality and efficiency.

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For more detailed information about what a welding turntable is, нажмите, чтобы посетить: https://www.bota-weld.com/en/a/news/welding-turntable-introduction.html

Установка crossed cylindrical roller bearings requires precision and careful handling to ensure optimal performance and longevity. Here’s a step-by-step guide on how to properly install these bearings:

The installation method of crossed cylindrical roller bearings

Подготовка

Чистота: Ensure that the bearing, housing, and all related components are clean. Remove any dirt, пыль, or debris that could affect the bearing’s performance.

Осмотр компонентов: Check the bearing, housing, and shaft for any signs of damage or wear. Replace any damaged parts before proceeding.

Смазка: Lubricate the bearing and related components with the appropriate lubricant recommended by the manufacturer.

Installation Process

Aligning the Bearing and Shaft:

Carefully align the bearing with the shaft. Ensure that the bearing’s inner ring fits onto the shaft smoothly.

Use a plastic or rubber mallet to gently tap the bearing into place if necessary. Avoid using excessive force to prevent damage.

Inserting the Bearing:

Place the bearing onto the shaft and ensure that it is seated correctly.

For larger bearings, use a bearing heater to expand the inner ring slightly, allowing for easier installation.

Mounting the Outer Ring:

Align the outer ring with the housing or bearing seat.

Gently tap the outer ring into place using a soft mallet or a press, ensuring even pressure to avoid misalignment.

Закрепление подшипника:

Once the bearing is in place, secure it with the appropriate locking mechanism, such as a lock nut, retaining ring, or end cap.

Tighten any screws or bolts to the manufacturer’s recommended torque specifications to prevent over-tightening or under-tightening.

Check Alignment:

Rotate the bearing assembly by hand to check for smooth operation and proper alignment.

Ensure there is no excessive play or binding in the bearing.

Final Lubrication:

Apply additional lubricant if necessary, ensuring that the bearing is adequately lubricated for operation.

Follow the manufacturer’s guidelines for the type and amount of lubricant to use.

Test Run:

Once installed, run the bearing at low speed and check for any abnormal noise, vibration, or heat generation.

Gradually increase the speed to the normal operating level while continuing to monitor the bearing’s performance.

Post-Installation

Регулярный осмотр: Periodically check the bearing for signs of wear, lubrication levels, and overall performance.

Обслуживание: Follow the maintenance schedule recommended by the bearing manufacturer to ensure long-term reliability.

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For more detailed information about the installation method of crossed cylindrical roller bearings, пожалуйста, нажмите здесь:https://www.boyingbearing.com/en/a/news/crossed-cylindrical-roller-bearing-installation-method.html

Правильный метод установки подшипники шпинделя станка имеет решающее значение для обеспечения точности, спектакль, и долговечность машины. Вот подробное руководство о том, как правильно установить эти подшипники..

Подготовка

Чистота рабочего места: Убедитесь, что рабочая зона чистая и свободна от загрязнений, таких как пыль., грязь, и металлическая стружка.

Инспекция: Проверьте все компоненты, включая подшипники, веретено, и жилье, на наличие признаков повреждения или износа. Замените все неисправные детали.

Инструменты и оборудование: Соберите все необходимые инструменты и оборудование, например, нагреватели подшипников, чистые перчатки, мягкие молотки, и соответствующие измерительные инструменты.

Смазка

Предварительная смазка: В зависимости от типа подшипника и рекомендаций производителя, предварительно смажьте подшипники соответствующей смазкой. Это может быть смазка или масло.

Обогрев

Подшипник Обогрев: Используйте нагреватель подшипника для равномерного нагрева подшипника до температуры, рекомендованной производителем., обычно между 80°C и 100°C (176от °F до 212 °F). Это позволяет подшипнику немного расшириться для облегчения установки на шпиндель..

Этапы установки

Выровняйте подшипник: Совместите подшипник со шпинделем, чтобы он скользил прямо, без наклона и перекоса..

Установите подшипник:

Нажмите Fit: Для подшипников, требующих запрессовки, используйте гидравлический пресс или подходящее приспособление, чтобы запрессовать подшипник на шпиндель.. Применяйте давление равномерно и убедитесь, что подшипник запрессован ровно, чтобы избежать смещения..

Скользящая посадка: Для подшипников, которые нагреваются, а затем надеваются на шпиндель, убедитесь, что подшипник установлен быстро и точно, пока он еще расширен от нагрева.

Охлаждение и сидение: Дайте подшипнику остыть и сжать шпиндель., обеспечение плотного прилегания. Убедитесь, что подшипник правильно посажен на заплечики или упоры шпинделя..

Закрепление подшипника

Удерживающие механизмы: Используйте стопорные гайки, стопорные шайбы, или другие удерживающие механизмы, указанные производителем, для фиксации подшипника на месте.. Затяните гайки крепления до указанного значения с помощью динамометрического ключа..

Осевая предварительная нагрузка: Установите осевой предварительный натяг подшипников в соответствии с данными производителя.. Это может включать в себя регулировку прокладок или использование инструментов предварительной нагрузки..

Установка в корпус

Выравнивание корпуса: Убедитесь, что шпиндель и подшипниковый узел совмещены с корпусом.. Несоосность может привести к преждевременному выходу подшипника из строя..

Вставка сборки: Осторожно вставьте шпиндель и подшипниковый узел в корпус., обеспечение того, чтобы он был выровнен и не повредил подшипник или корпус..

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Более подробную информацию о способе установки подшипников шпинделя станка см., пожалуйста, нажмите здесь: https://www.lkwebearing.com/news-center/machine-tool-spindle-bearing-installation.html

In the field of industrial equipment maintenance, as one of the key equipment, в вибрационный возбудитель must follow a series of steps and standards during its maintenance process to ensure its reliability and durability. The maintenance process of the vibrating screen exciter includes a series of strict operations, from taking photos and archiving the original condition of the machine after entering the factory, to the comprehensive process of painting and shipping. Each step significantly affects the quality of the maintenance results. In order to ensure the quality of maintenance, various requirements in vibrating screen exciter maintenance are also particularly critical. From bearings to boxes, to gears and other parts, relevant standards and specifications need to be strictly adhered to to ensure that the vibrating screen exciter is maintained during maintenance. Окончательно, the expected working performance can be achieved.

Vibrating screen exciter maintenance

1. Vibrator maintenance process

Take photos and archive the original condition of the machine after entering the factory → Shot blasting → Spray primer → Disassemble the vibrator → Take photos and archive the parts → Clean the parts → Inspect, test and archive → Issue a test report → The salesperson will confirm the damage with the user Form a damage determination confirmation form → formulate a maintenance plan → receive parts → inspect, record and archive → ultrasonic cleaning → assembly → test and record and file → spray paint → ship

2. Vibrator maintenance requirements

• горелка загружается в горячем состоянии

It must be replaced during maintenance, and high-quality SKF special bearings for vibrating screens must be selected to ensure that they can withstand high-intensity vibration working environments and maintain long-term stable operation. Careful installation and adjustment work is also essential to ensure the correct installation position and normal working condition of the bearings.

• Герметизация

The replacement of seals is an important guarantee for the normal operation of the exciter. При замене, it is necessary to select high-quality seals that match the original parts to ensure that they can effectively prevent the leakage of lubricating oil or other substances, thereby protecting the internal parts of the exciter from damage.

• Box

Boxes that are cracked, deformed, thread damaged or worn must be replaced; when the box hole and the bearing outer ring installation position are worn and the bearing does not meet the assembly requirements, they must be replaced. The new box should be replaced with high-strength ductile iron QT400-12 material, which has no defects such as slag inclusions, поры кожи, трещины, п. and has been inspected by ultrasonic to ensure its durability and stability. During the processing of the cabinet, the precision machining process of the CNC machining center should be strictly implemented to ensure the accuracy and stability of the cabinet.

• Axis

During the maintenance process, shaft replacement is a key link to ensure the normal operation of the vibrator. If there are obvious concave and convex marks on the surface of the shaft, the ovality of the bearing position and gear position is ≥0.01mm, and the assembly dimensions of the shaft and the inner ring of the bearing do not meet the requirements, they must be replaced. The replacement shaft is made of alloy structural steel 42CrMo processed by CNC machine tools, which can ensure good strength and wear resistance. During the installation process, ensure that the assembly dimensions of the shaft and the inner ring of the bearing meet the requirements to ensure the operation of the vibrator.

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For more detailed information about vibrating screen exciter maintenance procedures and maintenance requirements, пожалуйста, нажмите здесь: https://www.hsd-industry.com/news/vibrating-screen-exciter-maintenance/