What are the precautions for purchasing welding positioner?

Welding positioner mainly refers to a type of equipment that can play an auxiliary role during welding. It is mainly used for welding that requires the workpiece to be able to achieve position shifting during welding, so that a relatively ideal welding position and an ideal welding rate can be achieved. Welding positioner can be used with many other types of machines to form an automatic welding type, and can also be used for workpiece position shifting during manual welding. There are many types of positioners on the market, so it is also a problem for consumers when choosing. Here are some precautions for purchasing welding positioners for your reference.

Common types of welding positioners

Welding positioner

1. Double-column single-rotation type: The main feature of this type of welding positioner is that the motor-driven working device at one end of the column runs in one rotation direction, and the other end is driven by the active end. The columns on both sides can be designed as lifting type to meet the welding needs of product structures of different specifications. The disadvantage of this type of welding positioner is that it can only rotate in one circumferential direction. Therefore, when choosing, pay attention to whether the weld form is suitable.

2. Double-seat head-tail double-rotation type: The double-seat head-tail double-rotation type welding positioner is the activity space of the welded structural parts, and adds a rotational freedom on the basis of the double-column single-rotation welding positioner. This type of welding positioner is more advanced, with a large welding space, and can rotate the workpiece to the required position. It has been successfully applied in many engineering machinery manufacturers.

3. L-shaped double-rotation type: The working device of this type of welding positioner is L-shaped, with rotational freedom in two directions, and both directions can rotate ±360° arbitrarily. The advantages of this welding positioner are good openness and easy operation.

4. C-shaped double-rotation type: The C-shaped double-rotation welding positioner is the same as the L-shaped double-rotation welding positioner, but the tooling fixture of the welding positioner is slightly changed according to the shape of the structural parts. This type of welding positioner is suitable for welding structural parts such as buckets of loaders and excavators.

Precautions for purchasing welding positioners

Welding positioner

1. When choosing, you should first look at the function of the machine. Check whether the specified translation or vertical movement is a curve or a straight line.

2. Check whether the movement during rotation is continuous or intermittent. Generally, choose a machine that can perform linear motion and achieve continuous flipping.

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How to control the moisture content of briquetting machine materials?

In the field of industrial production, briquetting machine as a kind of equipment to convert powdered materials into pellets, its performance and finished product quality are crucial to the whole production process. The water content of the material is one of the key factors affecting the balling effect, which is directly related to the strength of the pellet, the molding rate and the efficiency of the subsequent processing. In this article, we will discuss how to accurately control the water content of briquetting machine materials to optimize the production process and improve product quality.

Water content of briquetting machine materials

briquetting machine

1. The importance of water content

Water content is crucial to the working effect of briquetting machine. The right amount of water can be used as a lubricant to reduce the friction between materials and improve the molding efficiency. At the same time, moisture also helps to improve the strength and stability of the pellets. However, too much or too little moisture can negatively affect the balling effect. Therefore, accurate control of moisture content is the key to ensure the normal operation of the ball press.

2. The impact of water content on the quality of balling

Too much water: when the water content of the material is too high, the ball will easily become fluffy and weak, with insufficient strength, which is difficult to meet the requirements of industrial applications.

Too little moisture: on the contrary, if the moisture is not enough, the bonding force between the materials will be weakened, resulting in easy crumbling of the pellets, affecting the molding effect.

3. Methods to control the moisture content

Pre-treatment: Before the material enters the ball press, its moisture content can be adjusted by pre-treatment such as drying or wetting.

Mixing control: In the mixing process, accurate control of water addition is a common method to control the water content.

Real-time monitoring: Use the water content monitoring equipment to monitor the water content of the material in real time so as to adjust it in time.

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What are the transmission methods of the briquetting machine?

In modern industrial production, briquetting machine play a key role in converting powdered materials into pellets with specific shapes and sizes. This transformation not only improves the transportation and handling efficiency ofthe material, but is also often a pre-step for certain chemical reactions or sintering processes. The performance and efficiency of a briquetting press depends heavily on the design of its drive train. In this article, we will discuss in depth the transmission methods of ball presses, analyze their features, advantages and applicable scenarios, and provide industrial users with important references when selecting and applying ball presses.

Transmission mode of briquetting machine

briquetting machine

1. Motor driven hardened gear reducer

This transmission mode drives the hardened gear reducer through the motor, the low-speed output shaft of the reducer is parallel to the double shaft, through the gear coupling to drive the ball roller relative operation. This type of transmission is suitable for dry powder molding and can provide stable roll rotation and long gear life. Due to its high torque and high line pressure, this type of transmission is very popular in metallurgy, refractory materials and other industries. The ball roller of this transmission mode has stable rotation, long gear life, high transmission torque, and the line pressure of roller surface is up to more than 100KN.

2. Single shaft reducer transmission

This is a common drive mode of briquetting machine in the current market. The motor through the reducer will transfer the power to the single shaft, and then through the coupling to drive a pair of large gears on the ball roller shaft relative movement. This form of suspended gear is widely used because of its simple structure and lower cost. Because of its simple structure and low price, it is widely used in China.

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What are the factors that affect the particle size of the high pressure roller mill?

High-pressure roller mills are widely used in major mines and related material crushing industries. They have the characteristics of large production capacity, fine particle size, low unit crushing energy consumption and steel consumption. After years of research, it has been found that the particle size of the high-pressure roller mill is not only related to the properties of the original ore, but also to factors such as operation.

Factors affecting the particle size of the high-pressure roller mill

High-pressure roller mills

1. Roller surface pressure

Through experiments, it was found that increasing the roller surface pressure of the high-pressure roller mill will make the particle size of the middle and side materials finer, the particle size distribution of the middle material more concentrated, and the particle size distribution of the side materials more uniform. The crushing effect of the high-pressure roller mill on the material mainly depends on the pressure on the material near the small gap between the two rollers. The specific pressure (the ratio of the total pressure provided by the hydraulic system to the diameter and width of the roller) is usually used as an operating parameter to measure the working pressure.

As the roller surface pressure increases, the uniformity coefficient of the intermediate material increases, the particle size distribution becomes more concentrated, the crushing ratio increases, the discharge particle size becomes finer, and the fine-grained part of the intermediate material after crushing accounts for the majority; as the roller surface pressure increases, the uniformity coefficient of the side material decreases, the particle size distribution becomes wider, the crushing ratio increases, the discharge particle size becomes finer, and the high-pressure roller mill side material is closer to the conventional crushing product.

The fine-grained part of the intermediate material after crushing accounts for the majority, because in the crushing process, the “size effect” of mineral particles (the mechanical strength of ore particles increases significantly with the decrease of ore size) makes fine-grained materials more difficult to crush or no longer crushed than coarse-grained materials under a certain roller surface pressure, so that the fine-grained part of the product accounts for the majority.

The side material of the high-pressure roller mill is closer to the conventional crushing product, which is caused by the “edge effect” of the roller during the crushing process. The lower roller surface pressure of the baffles at both ends of the roller and the edge of the roller makes it easy for the material to slide relative to the edge of the roller, weakening the crushing effect of the material layer, so that the crushing method of the roller edge on the material is closer to the conventional crushing method.

2. Roller surface speed

High-pressure roller mills

Under the same roller surface pressure, when the roller surface speed increases to a certain amount, the uniformity coefficient of the intermediate material increases, the particle size distribution is more concentrated, the crushing ratio increases, and the product particle size becomes finer, but the influence on the uniformity coefficient of the side material and the change in the crushing ratio are not obvious; but when the roller surface speed continues to increase, the change in the crushing ratio of the intermediate material is no longer obvious.

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What are the factors affecting the screening performance of vibrating screen?

The screening performance of a vibrating screen is influenced by various factors, including operational parameters, screen design, and material properties. Optimizing these factors can significantly improve screening efficiency and throughput. Here’s a breakdown:

Factors Affecting Screening Performance

Linear vibrating screen

1. Material Properties

Particle Size Distribution:

A wide size distribution may lead to reduced efficiency, as smaller particles can block the screen openings.

Particle Shape:

Irregularly shaped particles are less likely to pass through the screen compared to spherical particles.

Bulk Density:

High-density materials may require more energy for efficient separation.

Moisture Content:

Wet materials tend to clump together, reducing screening efficiency and causing screen blinding.

Material Flowability:

Poor flowability can lead to uneven distribution across the screen surface.

2. Screen Design

Screen Aperture Size and Shape:

Apertures that are too small or have an inappropriate shape can lead to clogging or poor separation.

Screen Inclination:

The angle of the screen affects the travel speed of the material and the likelihood of particles passing through the screen.

Number of Decks:

Multi-deck screens can separate materials into multiple size ranges but may decrease efficiency due to increased complexity.

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What are the causes of linear vibrating screen noise and how to solve it?

Linear vibrating screens are commonly used in material handling for screening and separating materials. However, they can generate significant noise during operation. Understanding the causes of this noise and implementing solutions is essential for improving workplace conditions and compliance with noise regulations.

Causes of Linear Vibrating Screen Noise

Cooperation Customer

Vibration Mechanisms:

Imbalance in the vibration motor or eccentric block.

Loose or improperly mounted vibration components.

Structural Resonance:

The screen frame or other components resonate at specific frequencies, amplifying noise.

Material Contact:

Noise generated by material impact and friction as it moves across the screen.

Worn or Loose Parts:

Loose bolts, fasteners, or worn-out bearings can create rattling or high-frequency noise.

Inadequate Damping:

Insufficient damping materials between vibrating components and the screen’s base structure.

Poorly Designed Isolation:

Vibration transmitted to the supporting structure or foundation can lead to additional noise.

Solutions to Reduce Linear Vibrating Screen Noise

High Frequency Dehydration Vibrating Screen

Optimize the Vibration Source:

Regularly inspect and balance vibration motors or eccentric blocks.

Use high-quality motors designed to minimize noise.

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Why does the vibrating screen not move diagonally?

Vibrating screen is a screening equipment widely used in mining, chemical, food and other industries. It classifies materials according to particle size through vibration. During the production process, the vibrating screen may not move diagonally, which usually means that the movement of materials on the screen surface is blocked, resulting in a decrease in screening efficiency. In order to ensure the smooth production process and stable product quality, it is crucial to understand the reasons why the vibrating screen does not move diagonally and take solutions.

1. What are the reasons for the vibrating screen not moving diagonally?

Cooperation Customer

Screen blockage: After long-term use, the vibrating screen may be blocked due to the accumulation of materials, especially wet and sticky materials are more likely to adhere to the screen, hindering the flow of materials.

Improper screen surface inclination: If the screen surface inclination of the vibrating screen is not set properly, it may cause the material to move on the screen surface to slow down or even stagnate.

Vibration motor failure: The vibration motor is the power source of the vibrating screen. The failure or damage of the motor will directly affect the vibration effect of the screen surface, resulting in the inability of the material to flow normally.

Material humidity is too high: Materials with high humidity are easy to stick together, which will not only block the sieve holes, but also form a layer of sticky film on the screen surface, affecting the material’s screening.

The screen is damaged or the tension is not enough: A damaged screen or insufficient tension will cause the material to be unable to screen, and may even get stuck in the damaged part of the screen.

Uneven feeding: If the feeding device is unstable or the feeding amount is too large, it may cause uneven distribution of materials on the screen surface, affecting the flow and screening effect of the material.

2. Solutions to the problem of no diagonal material flow of the vibrating screen

High Frequency Dehydration Vibrating Screen

Clean the screen: Clean the screen regularly, remove the blockage, and ensure that the screen holes are unobstructed. For wet and sticky materials, consider using heating or chemical methods to reduce the viscosity of the material.

Adjust the inclination of the screen surface: According to the nature of the material and the screening requirements, adjust the inclination of the screen surface appropriately to promote the flow and screening of the material.

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Principles and precautions for selecting glass tempering furnace equipment

Glass tempering furnace is a key equipment in the glass production line, which directly affects the operating efficiency of the entire production line and the quality of glass products. Reasonable selection of glass tempering furnace can not only improve production efficiency and extend the service life of equipment, but also effectively save energy consumption and reduce operating costs.

Principles of glass tempering furnace equipment selection

1. Capacity matching principle

The design capacity of the glass tempering furnace must match the actual capacity of other links in the production line. If the capacity of the tempering furnace is too large, it will cause waste of energy and labor; if the capacity is too small, it will restrict the efficiency of the entire production line. Therefore, when selecting, it is necessary to combine the actual situation of the production line to select a better tempering furnace specification.

2. Process compatibility principle

The tempering process requirements of different glass varieties are different, so the design of the tempering furnace must be compatible with the process of the required tempered glass variety. For example, although the tempering processes of flat glass, automotive glass, laminated glass, etc. have something in common, the parameter settings in the heating, cooling, and transportation links are different. Therefore, it is necessary to select a suitable tempering furnace model based on the company’s existing and future product planning.

3. Energy-saving and environmental protection principles

With the increasing attention paid to energy conservation and environmental protection, the glass industry is also facing higher environmental protection requirements. Tempering furnaces are high-energy-consuming equipment, and equipment with high energy efficiency ratio and low pollution emissions should be given priority, which can not only reduce operating costs but also meet environmental protection requirements. In addition to the energy-saving performance of the equipment itself, the design of energy-saving links such as waste heat recovery should also be considered.

Precautions for selecting glass tempering furnace equipment

1. Clarify the size requirements of the tempering furnace

Glass tempering furnaces of different specifications have large differences in size. For example, the length of the car window glass tempering furnace is usually 6-9 meters; the flat glass tempering furnace can even reach more than 30 meters. Therefore, before selecting the model, it is necessary to accurately understand the requirements of the production line for the glass size to avoid the inability to produce normally due to inconsistent sizes.

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How to use the fully automatic glass tempering furnace? Is it safe?

With the continuous advancement of science and technology, the fully automatic glass tempering furnace, as an important equipment in the field of glass deep processing, is gradually becoming the mainstay of the glass industry. It not only improves the quality and strength of glass products, but also has made great improvements in production efficiency and energy utilization. How to use the fully automatic glass tempering furnace? How about safety?

How to use the fully automatic glass tempering furnace?

glass tempering furnace

The fully automatic glass tempering furnace is a device that controls the heating and quenching process to quickly cool the surface of the glass, so that it generates pressure inside to enhance the hardness and strength. The specific usage method is as follows:

1. Preparation and setting parameters

Before using the fully automatic glass tempering furnace, careful preparation work must be carried out: check whether the equipment is normal and ensure that the power supply, gas source, etc. are adequate. Clean the furnace cavity to prevent dust and debris from adversely affecting the glass.

According to the type and specifications of the glass to be processed, set appropriate heating parameters, including heating temperature, insulation time, etc. This step needs to be accurately adjusted according to production experience and process requirements to ensure that each glass product can be evenly heated.

2. Load glass and start the equipment

Place the glass products to be processed into the furnace chamber of the glass tempering furnace. Pay attention to the uniformity of placement and avoid contact between the glasses to avoid uneven stress during the tempering process.

Start the fully automatic glass tempering furnace and start the heating process. During the heating process, the system will monitor the temperature to ensure uniform heating according to the preset parameters.

3. Rapid cooling process

When the glass reaches the preset heating temperature, the rapid cooling process begins immediately. By controlling the cooling airflow or fan, the glass surface is quickly cooled to form a good compressive stress and enhance the hardness and strength of the glass.

4. Unloading glass

After the tempering process is completed, stop the equipment and wait for the glass to cool to a safe temperature. Then, you can carefully unload the tempered glass products. At this time, the glass surface has formed a uniform compressive stress and has better physical properties.

Is the fully automatic glass tempering furnace safe to use?

glass tempering furnace

The fully automatic glass tempering furnace is a relatively safe device under normal operation and proper maintenance. However, safety also depends on multiple factors. Here are some suggestions and precautions to ensure the safety of fully automatic glass tempering furnaces:

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What is the bending principle of flat bend tempering furnace?

The bending principle of a flat bending tempering furnace involves heating and shaping glass sheets into curved or bent forms. This process, widely used in manufacturing applications such as automotive and architectural glass, uses controlled heating, bending, and tempering to achieve the desired shape and mechanical properties.

Bending principle of flat bending tempering furnace

flat bending tempering furnace

1. Heating Phase

The flat glass sheet is placed on rollers and enters the furnace, where it is gradually heated to the softening point (typically around 600-700°C, depending on the glass type).

The heating is carefully controlled to ensure uniform temperature distribution across the glass. Uneven heating can cause distortions or weak points.

2. Bending Process

Once the glass reaches the target temperature and becomes pliable, it is moved to a bending station where the actual shaping occurs. There are two main bending methods in flat tempering furnaces:

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