What is the vibration standard of ring hammer crusher?

The vibration standard of ring hammer crusher is formulated according to the national mechanical vibration standard and the technical conditions and use requirements of the crusher. The specific standards may vary depending on the manufacturer, model and use environment. The following are some common vibration standards and their related points:

Ring hammer crusher vibration standard

ring hammer crusher

1. Vibration index

The vibration of hammer crusher mainly comes from rotating parts (such as rotor and hammer), crushed materials and transmission system. In order to evaluate the intensity and impact of its vibration, the commonly used vibration indexes include:

Vibration velocity (mm/s): a comprehensive index reflecting the amplitude and frequency of the vibration source.

Acceleration (m/s²): a vibration signal in the form of a continuous waveform, used to reflect the amplitude of the vibration source.

Displacement (μm): the maximum displacement generated by the vibration source in a certain direction per unit time.

2. Vibration standard

For the vibration of hammer crusher, the commonly used evaluation standards include:

Vibration velocity evaluation standard: the vibration velocity measured on the bearing or structure should comply with the corresponding national or local first-level mechanical vibration standard.

Acceleration evaluation standard: similarly, the vibration acceleration measured on the bearing or structure should also comply with the corresponding standard.

Displacement evaluation standard: For displacement, the equipment without shock-absorbing platform is generally controlled below 120 microns (double amplitude), while the equipment with shock-absorbing platform is controlled below 200 microns (double amplitude). But please note that this standard may vary depending on the manufacturer and specific equipment.

ring hammer crusher

3. Vibration control method

In order to ensure the normal operation and service life of the ring hammer crusher, its vibration needs to be effectively controlled and repaired. Common control methods include:

Strengthen maintenance: Regularly inspect and maintain the crusher to ensure the balance and rationality of its rotating parts and transmission system, and reduce the intensity and frequency of the vibration source.

Optimize structure: Reduce the inherent vibration of the vibration source and conduction system by optimizing the structure and assembly of the crusher.

Adjust process: Reduce the inherent vibration of the vibration source and conduction system by adjusting and controlling the process parameters such as the crusher’s transmission system, material feeding and discharging.

More detailed information about the vibration standard of hammer crusher can be found at: https://www.zymining.com/en/a/news/ring-hammer-crusher-vibration-standard.html

What are the components of the welding positioner?

welding positioner is a device used to hold and rotate a workpiece to the optimal position for welding. It allows the welder to work at a consistent angle, improving weld quality, reducing fatigue, and increasing productivity. A welding positioner consists of several key components designed to hold, rotate, and tilt workpieces to facilitate welding from optimal angles.

Welding positioner composition

welding positioner

1. Rotating Table/Chuck

Rotating Table: The flat surface or platform where the workpiece is mounted. It rotates to allow access to different areas of the workpiece without manually repositioning it.

Chuck: A clamping device on the rotating table that securely holds the workpiece in place during rotation. Chucks can be three-jaw, four-jaw, or specially designed for specific workpiece shapes.

2. Tilt Mechanism

Tilting Table: Allows the rotating table or chuck to be tilted at various angles, providing the flexibility to position the workpiece optimally for welding.

Tilt Motor/Gears: Motor and gears control the tilting action, allowing precise adjustments to the tilt angle.

3. Control System

Control Panel: The interface used to control the rotation speed, tilt angle, and other positioner functions. It may include buttons, switches, or a touchscreen.

Foot Pedals/Remote Control: Optional control devices that allow the welder to adjust the positioner hands-free or from a distance.

4. Base Frame

Base/Frame: The sturdy structure that supports the positioner and ensures stability. It must be strong enough to bear the weight of the workpiece and resist vibration during operation.

welding positioner

5. Fixture Clamps

Clamps/Fixtures: Devices used to hold the workpiece securely to the rotating table or chuck. These can be adjustable to accommodate different shapes and sizes of workpieces.

6. Drive System

Rotation Motor: Powers the rotation of the table or chuck, allowing continuous or indexed rotation of the workpiece.

For more detailed information about the welding positioner, please click here: https://www.bota-weld.com/en/a/news/welding-positioner-composition.html

How to use the butt joint longitudinal seam welding machine

butt joint longitudinal seam welding machine is a specialized piece of equipment used to weld the longitudinal seams of cylindrical or tubular workpieces, such as pipes, tanks, or pressure vessels. This type of machine is designed to produce a continuous, high-quality weld along the entire length of the seam, ensuring strong and durable joints.Using a butt longitudinal seam welding machine involves several steps to ensure a proper and efficient welding process.

Butt joint longitudinal seam welding machine operation guide

butt joint longitudinal seam welding machine

1. Preparation

Safety Gear: Wear appropriate personal protective equipment (PPE), including welding gloves, goggles, apron, and helmet.

Material Preparation: Ensure the materials to be welded are clean, free from rust, oil, or other contaminants that could affect the weld quality.

Machine Setup: Adjust the machine settings based on the material type, thickness, and the required welding specifications. This includes setting the appropriate welding current, voltage, and speed.

2. Loading the Material

Positioning: Place the material into the machine, aligning the edges that need to be welded. The material should be securely clamped in place to prevent movement during welding.

Edge Alignment: Ensure that the edges to be welded are properly aligned. Misalignment can lead to poor weld quality or defects.

3. Welding Process

Starting the Machine: Initiate the welding process by starting the machine. The electrodes or welding torch will move along the seam, applying heat and pressure to join the edges.

Monitoring: Keep an eye on the welding process. Monitor the seam to ensure the weld is consistent and that there are no gaps or defects.

Adjustments: If needed, make real-time adjustments to the welding speed, pressure, or current to maintain weld quality.

butt joint longitudinal seam welding machine

4. Post-Welding

Inspection: Once the weld is complete, inspect the seam for any defects such as cracks, porosity, or incomplete fusion. Use visual inspection or non-destructive testing methods as necessary.

For more detailed information about the butt joint longitudinal seam welding machine use, please click here:https://www.bota-weld.com/en/a/news/butt-joint-longitudinal-seam-welding-machine-use.html

What are the main functions of the lead screw welding rotator?

lead screw welding rotator is a specialized piece of equipment used in welding processes to support and rotate cylindrical workpieces, such as pipes, tanks, or pressure vessels, during welding. The use of a lead screw mechanism allows for precise adjustment of the position and alignment of the workpiece.

Lead screw welding rotator functions

lead screw welding rotator

1. Support and Stability of Workpieces:

The primary function of a lead screw welding rotator is to provide stable support for cylindrical workpieces during welding. The rotator’s rollers cradle the workpiece, preventing it from shifting or vibrating, which ensures a consistent weld.

2. Controlled Rotation:

The rotator allows for the controlled rotation of the workpiece. This rotation can be adjusted to the desired speed, which is crucial for achieving uniform welding around the circumference of the workpiece. The rotation speed can be fine-tuned depending on the welding requirements.

3. Precise Positioning and Alignment:

The lead screw mechanism enables precise positioning and alignment of the workpiece. By adjusting the lead screw, operators can move the workpiece horizontally along the axis, ensuring that it is correctly aligned for welding. This is especially important for maintaining the correct distance between the welding torch and the workpiece.

lead screw welding rotator

4. Adjustable Roller Distance:

The lead screw welding rotator typically allows for the adjustment of the roller distance to accommodate workpieces of various diameters. The lead screw mechanism makes it easy to change the spacing between rollers to fit the specific size of the cylindrical object being welded.

5. Facilitating Continuous Welding:

By rotating the workpiece at a consistent speed, the rotator allows for continuous welding around the entire circumference without stopping. This continuous motion helps to produce a more uniform and stronger weld.

6. Reducing Operator Fatigue:

The rotator reduces the need for manual handling and repositioning of the workpiece, which decreases operator fatigue and increases safety. Operators can focus more on the welding process rather than on physically managing the workpiece.

More detailed information about the lead screw welding rotator functions can be found at: https://www.bota-weld.com/en/a/news/lead-screw-welding-rotator-functions.html

What is the production process of welding column boom?

The production process of welding column boom is a complex and delicate process involving multiple links and steps. The following is a general description of the production process:

Welding column boom production process

Welding column boom

1. Production preparation and material processing

Be familiar with the product construction drawings: First, the production team needs to carefully study the product construction drawings to understand the key information such as the size, shape, and material requirements of the column boom.

Process analysis and preparation: Based on the construction drawings, process analysis is carried out, detailed process technical documents are prepared, and quality assurance and safety management documents are formulated.

Material preparation: According to product requirements, the required steel, welding materials, flux and other auxiliary materials are prepared. These materials need to undergo strict quality inspection to ensure compliance with standards.

Equipment allocation and maintenance: Align and repair production equipment, facilities, work clamps and measuring tools, etc. to ensure that they are in good working condition.

2. Basic component processing

Layout and marking: According to the construction drawings, layout and marking are carried out on the steel to mark the locations that need to be cut and processed.

Cutting: Use shearing, punching, thermal cutting (such as gas cutting, plasma arc cutting), CNC cutting and other methods to cut the steel into the required shape and size. This step needs to ensure that the cutting size is accurate and the error is controlled within the specified range.

Hot and cold forming processing: bend, stretch, press and other hot and cold forming processes are performed on the cut steel to obtain the basic components of the column boom.

Edge processing: The edges of the components are machined or grooved for subsequent welding operations. At the same time, the groove cleaning before welding is required to ensure the welding quality.

Welding column boom

3. Assembly and welding

Component assembly: The basic components are assembled and assembled according to the requirements of the product drawings to form components. During the assembly process, attention should be paid to the symmetry and stability of the components to ensure the load-bearing and safety of the components.

For more detailed information on the production process of welded column boom, please click to visit: https://www.bota-weld.com/en/a/news/welding-column-boom-production-process.html

What are the types of industrial storage racks?

Industrial storage racks are essential components in warehouses, manufacturing facilities, and distribution centers. They are designed to efficiently store and organize large quantities of goods, materials, and products. The right type of storage rack can significantly improve space utilization, safety, and productivity in an industrial setting.

Types of Industrial Storage Racks

Industrial storage racks

Selective Pallet Racks

Description: The most common type of industrial storage rack, selective pallet racks allow direct access to each pallet. They consist of vertical uprights and horizontal beams, forming shelves where pallets can be placed.

Usage: Ideal for warehouses where a wide variety of products are stored and need easy access.

Advantages:

Flexibility in product storage.

Compatible with most types of forklifts.

Easy to adjust shelf heights.

Drive-In/Drive-Through Racks

Description: These racks are designed for high-density storage. Drive-in racks allow forklifts to enter from one side, while drive-through racks allow access from both sides.

Usage: Suitable for storing large quantities of homogeneous products.

Advantages:

Maximizes storage space.

Cost-effective for high-volume storage.

Disadvantages:

Limited access to individual pallets (LIFO or FIFO depending on the design).

Cantilever Racks

Description: Cantilever racks have arms extending from a central column, making them ideal for storing long or bulky items like lumber, pipes, or furniture.

Usage: Used in lumber yards, metal storage, and warehouses storing long items.

Advantages:

Flexibility to store items of varying lengths.

Open front design for easy loading and unloading.

Industrial storage racks

Push-Back Racks

Description: These racks use a system of nested carts that move along inclined rails. When a new pallet is loaded, it pushes the previous pallet back.

Usage: Suitable for medium-density storage and allows LIFO (Last In, First Out) inventory management.

For more detailed information about industrial storage rack types, please click here: https://www.etegreen.com/en/a/news/industrial-storage-racks-types.html

How does a mobile archive storage systems work?

Mobile archive storage systems work by maximizing storage efficiency through a mechanism that allows shelving units to move, eliminating unnecessary aisles and optimizing space usage.

Mobile Archive Storage System Working Principle

Mobile Archive Storage System

Components of Mobile Archive Storage Systems

Shelving Units: These are the core storage components, where items are stored. The units can vary in size, type, and configuration, including flat shelves, drawers, or racks.

Tracks: The shelving units are mounted on tracks or rails installed on the floor. These tracks allow the units to slide back and forth, creating or closing aisles as needed.

Drive Mechanism:

Manual Operation: In a manually operated system, users move the shelving units by turning a hand crank or wheel. This mechanism engages gears that slide the unit along the tracks.

Powered Operation: In an electrically powered system, the units are moved using a push-button or digital control panel. These systems often come with features like motorized movement, soft stops, and safety sensors.

Safety Features: Modern mobile archive systems include safety features such as motion detectors, pressure-sensitive floor mats, and emergency stop buttons to prevent accidents or damage.

How It Works

Mobile Archive Storage System

Compact Storage:

The shelving units are typically kept closely together, with no fixed aisles between them. This compact arrangement significantly increases the storage capacity of a given area.

Creating an Aisle:

When access to a particular section of the storage system is needed, the user activates the mechanism (either manually or electronically) to move the units apart, creating an aisle where needed. This allows access to the stored items without taking up extra space.

For more detailed information about the working principle of the mobile archive storage systems, please click to visit: https://www.etegreen.com/en/a/news/mobile-archive-storage-system-working-principle.html

What are the components of the vertical grow rack systems?

Vertical grow rack systems are composed of several key components that work together to create an efficient and effective environment for growing plants vertically. The specific components can vary depending on the type of system, but here are the common elements found in most vertical grow rack setups:

Vertical Grow Rack Systems Components

Vertical grow rack systems

1. Racking Structure

Material: Typically made from steel or aluminum for durability and strength.

Function: Provides the framework for the system, holding the plants, trays, and other components in place. It can be static, mobile, or automated, depending on the system.

2. Shelving/Trays

Material: Shelves or trays are often made from plastic, metal, or other water-resistant materials.

Function: Holds the plants or growing medium. In hydroponic systems, these trays also serve as the containers for nutrient solutions. They are designed to be easily removable or adjustable depending on the plant’s growth stage.

3. Lighting System

Types: LED grow lights, fluorescent lights, or high-intensity discharge (HID) lights.

Function: Provides the necessary light spectrum for photosynthesis. The lights are often adjustable and can be positioned to optimize light exposure for all plants on the rack. LED lights are common due to their efficiency and low heat output.

4. Irrigation System

Types: Drip irrigation, Nutrient Film Technique (NFT), Ebb and Flow, or wicking systems.

Function: Delivers water and nutrients to the plants. In hydroponic systems, this is critical for ensuring that plants receive the right amount of nutrients. Some systems use automated timers and sensors to control water flow.

Vertical grow rack systems

5. Drainage System

Components: Drip trays, drainage pipes, or gutters.

Function: Collects excess water or nutrient solution and channels it away from the plants to prevent waterlogging and root rot. In recirculating systems, the drainage can be reused.

For more detailed information about the components of the vertical grow rack systems, please click here: https://www.etegreen.com/en/a/news/vertical-grow-rack-systems-components.html

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, and archives. 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. However, 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, deformation, 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.

Disassembly

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.

Assembly

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.

After assembly, 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

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, load capacity, speed capability, and precision.

Spindle bearing models

Spindle Bearings

1. Angular Contact Ball Bearings

SKF 70xx, 72xx, 73xx Series:

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

Applications: CNC machines, grinding spindles, milling machines.

NSK 70xx, 72xx, 73xx Series:

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

Applications: Machine tools, high-speed spindles.

FAG B70, B719 Series:

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

Applications: Precision machine tools, spindles, and robotics.

2. Cylindrical Roller Bearings

SKF N10, NUP10 Series:

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

Applications: Machine tool spindles, heavy-duty machinery.

FAG N10, NUP10 Series:

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

Applications: Milling machines, lathes, and other precision machinery.

NTN NN30xx Series:

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

Applications: High-precision spindles, grinding machines.

Machine Tool Bearings

3. Tapered Roller Bearings

Timken 3xx, 4xx Series:

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

Applications: Spindles requiring both high load capacity and precision.

For more detailed information about spindle bearing models, please click here: https://www.lkwebearing.com/news-center/spindle-bearing-model.html