The ICI pilling tester is suitable for detecting the pilling phenomenon caused by friction on the fabric surface without pressure, and is suitable for woven and knitted fabrics.

Meet the standards:

ASTM D3939, GB/T 11047, JIS L1058

Scope of application:

The ICI hammer-type snagging tester can quickly detect the ease of fabric snagging (that is, the yarn is hooked out of the fabric) under normal wearing conditions.

Product introduction:

This instrument is equipped with an observation box and comparison pattern cards of different fabric structures. Equipped with 4 test rollers (covered with the fabric to be tested), the hammer ball is a tungsten carbide head and is controlled by a predetermined electronic counter.

Instrument description:

This tester is suitable for testing knitted and woven outerwear fabrics and other fabrics that are prone to snagging. It is especially suitable for testing the snagging performance of chemical fiber filaments and their deformed yarn fabrics.

Precautions for using ICI Pilling Tester:

1. The voltage should be maintained stable during use to avoid burning out the power supply.

2. Clean the cork liner regularly with a suitable cleaning solvent, such as industrial methylated spirit or trichloroethane.

3. When replacing the experimental tube, the new experimental tube must be inspected before use.

4. Regularly check whether the control panel buttons and screws in various parts are normal.

5. Clean the instrument before and after each experiment to ensure that all lint and debris are removed from the box.

6. The reference fabric should be retested every six months and compared with the original test specimen.

Email: hello@utstesters.com

Direct: + 86 152 6060 5085

Tel: +86-596-7686689

Web: www.utstesters.com

This machine can be used to test the bursting strength and height of woven, knitted, non-woven fabrics, paper or sheets. The instrument uses hydraulic blasting to act on a specific area of rubber film, and then acts on the sample to force the fabric to burst.

Principle: A digital burst strength tester can detect the burst strength of knitted fabrics, apply oil pressure to a rubber membrane in a specific area, and then force the fabric to burst. This instrument is equipped with a pressure display, peak hold record and peak upper limit setting, replaceable rubber diaphragm, and manual clamping device.

Comply with standards: ISO 13938-1/3689/3303/2758, ERT 80-4-20, ASTM D3786 BS 3137/3424(PT6)/4768, GB/T 7742.1

Features:

①.Full test area support, suitable for different standard requirements, in line with the GB standard with a maximum test area of 100cm2; ②. Support PC-side online communication, statistical analysis of results, and test reports can be printed; ③. Pneumatic clamps, the clamping force is firm and even , can be applied to clamping various materials in an all-round way; ④. The test results are richly expressed and can display such as: bursting strength, bursting strength, diaphragm pressure, bursting height, bursting time; convenient for quality control personnel to fully understand bursting performance of the sample.

Test steps: Place all samples under the standard atmospheric conditions required by the standard to adjust humidity and balance, and prepare test samples of the required size.

①. Manual test:

1. Installation of test sample. Place the humidity-adjusted sample into the middle and lower part of the clamp, and tighten the sample along the plane to avoid wrinkles. Place the test cup above the test sample

2. Rotate the handwheel clockwise at a speed of 120 rpm until the sample breaks. Stop rotating the handwheel at the moment the sample breaks. After the sample breaks, quickly loosen the clamp ring on the sample. Rotate the hand lever counterclockwise to the starting point to relax the film. Record the pressure required to expand the film and record the total pressure required for the sample to break. . NOTE If the dial shows that the pressure has stopped rising but the sample has not ruptured, push the lever to remove the pressure. Record the elongation of the sample beyond the measuring limit of the testing machine.

② Automatic test:

Place the humidity-adjusted sample into the middle and lower part of the clamp, and tighten the sample along the plane to avoid wrinkles. Place the test cup above the test sample and move the operating handle to the left to expand the film. While the membrane expands, hold the latch on the lower or right side of the operating lever. When the sample breaks, try to rotate the latch so that the operating lever returns to the middle position. Record the total pressure required to rupture the sample. After the sample breaks, quickly loosen the clamp ring on the sample, swing the latch to its normal position, remove the pressure on the membrane, push the operating lever to the right, and record the pressure required to expand the membrane.

Email: hello@utstesters.com

Direct: + 86 152 6060 5085

Tel: +86-596-7686689

Web: www.utstesters.com

As consumer demands for food safety and quality continue to rise, the production of dried fruits such as raisins increasingly relies on efficient and precise automated equipment. GroTech’s AI Color sorting machine, It ensures efficient and accurate sorting, enhancing raisin quality by removing mold, spoilage, and foreign objects, thereby improving both food safety and market competitiveness.

Challenges in Raisin Sorting

During processing, raisins often develop color variations, mold, insect damage, and impurities due to environmental factors such as weather, storage conditions, and transportation. Traditional sorting methods rely heavily on manual labor, which, despite completing the task to some extent, are inefficient and prone to human error. This makes large-scale standardized production difficult.
Therefore, the industry faces a critical challenge: integrating intelligent equipment capable of efficient and precise sorting into raisin production.

GroTech's AI Color Sorting Machine Solution

GroTech’s AI color sorting machine combines artificial intelligence algorithms with high-precision image recognition technology to identify defects such as color differences, blemishes, mold, and foreign objects on raisins, thereby automatically rejecting substandard products. Key advantages include:

(1)High-Precision Color Recognition
The AI sorting machine uses multispectral image sensors to detect subtle color differences on raisins, including mold, spoilage, or moisture damage. IThese imperfections, often invisible to the naked eye, are accurately identified and removed, ensuring uniform color across batches.

(2)Intelligent Removal of Mold and Foreign Objects
Using deep learning algorithms, the AI sorting machine can recognize mold spots, insect damage, or foreign objects on the surface of raisins. These non-compliant raisins are efficiently removed, ensuring only high-quality products enter the market, safeguarding consumer health and safety.

(3)Automated High-Speed Processing
The AI sorting machine enables full automation of raisin production lines. It performs real-time detection and processing during high-speed operations, dramatically boosting efficiency while maintaining consistent quality.

(4)Enhancing Product Appearance and Market Competitiveness
Since raisin appearance significantly influences consumer purchasing decisions, the machine ensures uniformity in size, shape, and color. This elevates the product’s visual appeal, aligning with market demands for high-quality food and strengthening brand competitiveness.

Technical Advantages of the AI Color Sorting Machine

（1） Deep Learning Algorithms
GroTech’s AI sorting machine employs deep learning technology, enabling the system to autonomously learn and optimize sorting strategies. By continuously accumulating production data, the system adjusts to different materials and production environments, improving sorting efficiency.

（2）High-Speed and High-Precision
Equipped with high-speed cameras and processing units, the sorting machine captures and processes images of each raisin in real time. This combination of speed and accuracy ensures even minute defects are detected.

（3）Remote Monitoring and Data Analysis
With cloud computing and big data analysis, users can monitor the sorting machine’s performance in real time and adjust production parameters accordingly. Data analysis also provides insights into production quality trends, enabling further optimization of production management.

（4）Reduced Labor Costs and Increased Efficiency

Compared to manual sorting, the AI solution minimizes labor dependency, reducing costs while increasing throughput. Its high-volume processing capability ensures seamless large-scale production

Application Examples

GroTech’s AI color sorting machine has been widely adopted by raisin producers. For example, a leading manufacturer reported improved product consistency and appearance after implementation. The machine’s ability to detect contaminants also increased pass rates, bolstering brand trust.

When it comes to purchasing an industrial chiller, one of the most important decisions you'll face is whether to go with an air cooled chiller or a water cooled chiller. Both options offer effective cooling solutions, but each comes with its own set of advantages and limitations depending on your specific needs, operational environment, and budget. In this blog, we’ll break down the differences between these two types of chillers and help you determine which one is best suited for your business.

What Are Air Cooled and Water Cooled Chillers?

Before diving into the pros and cons, it’s important to understand the basic differences between air cooled and water cooled chillers.

Air Cooled Chillers: These chillers use the surrounding air to dissipate heat. The condenser is equipped with fans that blow air through the condenser coils to cool down the refrigerant.

Water Cooled Chillers: These units use water to absorb and carry away heat from the refrigerant. A cooling tower, often placed outside the building, circulates water to absorb heat and releases it into the atmosphere.

1. Installation and Space Considerations

Air Cooled Chillers are generally easier and quicker to install. Since they rely on air for cooling, there's no need for external cooling towers or additional water treatment systems. This makes them an ideal choice for businesses that may have limited space or those that need a more flexible, less complex installation process. They are perfect for smaller facilities or those located in areas where space is limited.

On the other hand, Water Cooled Chillers require additional infrastructure, including a cooling tower and water circulation systems. This means they take up more space and may require more time and cost to install. They are typically used in larger operations or facilities with more space available for the required systems.

2. Energy Efficiency

When it comes to energy consumption, Water Cooled Chillers generally perform better in larger applications or facilities that require consistent and reliable cooling. They are more energy-efficient in the long run because they tend to operate at a lower temperature, which can reduce overall energy usage. Water’s higher thermal conductivity allows it to absorb more heat, making these chillers better suited for high-capacity cooling needs.

However, Air Cooled Chillers can be a more cost-effective solution for smaller systems or applications with less demanding cooling requirements. While they might consume more energy than their water cooled counterparts under heavy loads, they are typically sufficient for moderate cooling needs and may result in lower initial installation costs.

3. Maintenance and Operation Costs

Air Cooled Chillers are generally easier to maintain because they do not have the additional components of a cooling tower or water circulation systems. Maintenance tends to be simpler, with fewer parts to inspect and clean. However, because they rely on outdoor air for cooling, they can accumulate dirt and debris, which might require more frequent cleaning of the condenser coils.

Water Cooled Chillers require more regular maintenance, especially for the cooling tower, water pumps, and pipes. Additionally, you need to keep an eye on water quality, as scaling, corrosion, and bacteria growth can develop in the system if not treated properly. While maintenance costs can be higher, the overall lifespan and efficiency of water cooled systems can make them more cost-effective in larger, industrial applications.

4. Environmental Impact and Noise

Air Cooled Chillers tend to be more environmentally friendly in terms of water consumption since they don’t rely on large amounts of water for cooling. However, they can generate more noise due to the fans used to circulate air through the condenser. This can be a concern in noise-sensitive areas or in places where sound regulations are strict.

Water Cooled Chillers, on the other hand, tend to operate more quietly, but they require a constant supply of water, which can be a concern in regions with water shortages or strict water usage regulations. Moreover, the energy consumption of water cooled chillers can indirectly contribute to environmental impact, especially in regions where electricity comes from non-renewable sources.

5. Best Use Cases

Air Cooled Chillers are a great choice for:

• Small to medium-sized operations.
• Facilities with limited space or where water use is a concern.
• Locations where installation speed and simplicity are critical.
• Situations where quieter operation is less important.

Water Cooled Chillers are ideal for:

• Large industrial applications or facilities with high cooling demands.
• Locations with ample water supply and space for cooling towers.
• Operations looking for long-term energy efficiency and higher cooling capacity.
• Businesses that require quieter operation and can handle the maintenance demands.

Choose an air cooled chiller if you’re operating in a smaller facility, have limited space, or need a simpler, lower-cost solution.

Opt for a water cooled chiller if you need more energy efficiency, have the space for additional infrastructure, and are running a large-scale operation with heavy, continuous cooling requirements.

At the end of the day, both types of chillers can provide reliable and efficient cooling solutions—it's all about choosing the one that best aligns with your business needs and operational goals.

Hope this helps guide you in your decision-making process! If you need more details or personalized advice, feel free to contact us at Hengde company for expert recommendations on the best chiller systems for your business.

The working principle of the trough-type electromagnetic vibrating feeder is to utilize the periodic vibration generated by the electromagnetic vibrator to make the materials in the material trough be subjected to an inertial force perpendicular to the direction of gravity. When the inertial force on the material is greater than the friction force between the material and the material trough, the material will move forward in the material trough, thus achieving the purpose of feeding. During the vibration process, the material presents a jumping micro-throwing movement. This movement mode enables the material to be evenly distributed in the material trough and be transported forward at a stable speed.

• Adjustable feeding amount: By changing the working parameters of the electromagnetic vibrator, stepless adjustment of the feeding amount can be easily realized to meet the requirements of different production processes.

• Simple structure: It is mainly composed of parts such as material trough, electromagnetic vibrator, vibration damping device and adjusting device. It has a compact structure, small volume, light weight, and is convenient for installation and maintenance.

• Reliable operation: There are no rotating parts, and there are no mechanical wear and lubrication problems, reducing the failure rate of the equipment and improving the service life of the equipment. At the same time, the working stability of the electromagnetic vibrator is high and it can operate stably for a long time in harsh working environments.

• Low energy consumption: Due to the adoption of the electromagnetic vibration principle, the equipment consumes less electric energy during operation and has a good energy-saving effect.

• Low noise: The noise generated during the operation of the equipment is small, which has little impact on the surrounding environment and improves the environmental conditions of the workplace.

• Metallurgical industry: In the metallurgical production process, trough-type electromagnetic vibrating feeders can be used to transport raw materials such as iron ore, coke, and limestone to equipment such as ironmaking blast furnaces, steelmaking converters, and sintering machines to ensure the smooth progress of metallurgical production.

• Coal industry: It can be used for the transportation and feeding of coal, and uniformly transport coal from coal bins to equipment such as belt conveyors, jigging machines, and flotation machines, improving the washing efficiency and quality of coal.

• Chemical industry: In chemical production, trough-type electromagnetic vibrating feeders can be used to transport various powdery and granular chemical raw materials, such as plastic particles, fertilizers, soda ash, and salt, ensuring the continuity and stability of the chemical production process.

• Building materials industry: Widely used in building materials industries such as cement, glass, and ceramics, it is used to transport raw materials such as limestone, gypsum, quartz sand, and clay, providing a stable material supply for building materials production.

• Food industry: In the food processing process, it can be used to transport food raw materials such as rice, wheat, beans, and candies. It has the advantages of hygiene, no pollution, and uniform feeding, and can meet the production requirements of the food industry.

Electromagnetic vibrating feeder is the good solution of powder conveying/feeding and granular handling/feeding. How do we purchase a high quality electromagnetic vibrating feeder? VRV, the professional vibrating feeder supplier will tell you ways：

• Material characteristics: including the particle size, humidity, viscosity, density, etc. of the material. Different material characteristics have a great influence on the selection of feeders. For example, for materials with larger particle size, higher humidity, and stronger viscosity, a larger model feeder with stronger vibration ability and anti-blocking function should be selected.

• Feeding amount requirements: According to the needs of the production process, determine the required feeding amount range. When selecting a model, a feeder whose feeding amount can meet the production requirements should be selected, and a certain margin should be left to adapt to changes in the production process.

• Installation method: There are two installation methods for trough-type electromagnetic vibratory feeders: seated installation and suspended installation. Seated installation is suitable for occasions with good ground foundation and large space; suspended installation is suitable for occasions with limited space and the need to save floor space. When selecting a model, an appropriate installation method should be selected according to the actual installation conditions on site.

• Working environment: Consider the working environment of the feeder, such as temperature, humidity, dust concentration, etc. If the working environment is harsh, a feeder with higher protection level, corrosion resistance, wear resistance and other properties should be selected to ensure the normal operation and service life of the equipment.

Please be informed that the electromagnetic vibrator is the core component of the electromagnetic feeder. You should not buy an electromagnetic vibration feeder mainly because of its low price. You should seek professional manufacturers and material handling experts for electromagnetic vibration feeders.

VRV is professional vibrating feeder manufacturer in China. Click here vrvibratory to get more details and the Chinese electromagnetic vibrating feeder is the best solution of handling block, granular and powder materials. VRV can customize tubular and trough vibrating feeder as per your demands.

<span style=”font-size:16px;font-family:” times=”” new=”” roman”;”=””>In the realm of industrial automation, electromagnetic vibrators play a crucial role in facilitating smooth and optimized material handling processes. A key component of the electromagnetic vibrating feeder, the magnetic vibrator, drives the feeder’s operation with precision and reliability. This article will delve into the benefits of VRV’s magnetic vibrator and highlight its advantages, along with VRV’s exceptional service offerings.

Vibrating feeder is a kind of equipment used to uniformly and quantitatively feed bulk and granular materials from the silo or storage hopper to the receiving device. It plays a huge role in material handling.

I. In terms of uniform feeding

1. Precise control of flow: The vibrating feeder can precisely control the flow of materials by adjusting parameters such as vibration frequency and amplitude. For example, in the ore processing industry, when ore needs to be transported from the silo to the crusher, the vibrating feeder can supply ore uniformly at a set speed. This can ensure that the crusher operates in a relatively stable working state, avoiding clogging of the crusher due to excessive materials or idling of the equipment due to insufficient materials, reducing the production efficiency of the equipment.

2. Ensure stable quality of subsequent processes: In chemical production, for some process processes that require precise batching, the vibrating feeder can ensure that various raw materials are uniformly supplied to equipment such as reactors in appropriate proportions. Taking the production of a certain compound fertilizer as an example, nitrogen fertilizer, phosphate fertilizer, potassium fertilizer and other multiple raw materials need to be uniformly mixed. The vibrating feeder can make each raw material stably enter the mixing equipment to ensure the accurate proportion of the components of the compound fertilizer, thereby ensuring the stability of product quality.

II. In terms of material transportation

1. Realize efficient transportation: The vibrating feeder can transport materials from one location to another, especially for some materials with poor fluidity such as granular and blocky materials. It uses the power generated by vibration to make the materials have a forward movement trend on the trough body. For example, in the construction industry, it is used to transport building materials such as sand and gravel. If these materials rely on natural flow, it will be relatively slow, and the vibrating feeder can quickly transport them to equipment such as mixers, improving the work efficiency of the entire building material processing.

2. Adapt to various material characteristics: It can handle materials with various different characteristics, including wet and sticky materials. For example, in ceramic production, sometimes the raw materials are somewhat sticky, and the vibrating feeder can still effectively transport them. Because vibration can break the sticky connection between materials and make the materials move smoothly on the trough body.

III. In terms of preliminary treatment of material screening

Simple screening function: The vibrating feeder can also perform preliminary screening of materials during the feeding process. Its vibration effect can make smaller particles pass through the screen on the trough body, while larger particles continue to move forward on the trough body. In the coal processing industry, after coal is mined from the mine, it contains particles of various sizes. The vibrating feeder can screen out finer particles such as pulverized coal. Coarse-grained coal is then continuously transported to subsequent washing or crushing processes. In this way, a part of qualified products can be separated in advance, and it is also conducive to the further processing of coarse-grained coal in the future.

According to different driving methods, we can divide vibrating feeders into motor vibrating feeders and electromagnetic vibrating feeders. They have their own advantages. The motor vibrating feeder has a large conveying capacity and is relatively inexpensive. The electromagnetic vibrating feeder handles materials gently and is convenient for speed adjustment, but the price is relatively high.

VRV is an expert in manufacturing vibrating feeders. We can customize feeders according to customer needs. According to the advantages of motor feeders and electromagnetic feeders, we can combine the two. Make this feeding system an important link in the material handling production line.

Electromagnetic vibrator is the core component of electromagnetic vibrating feeder. It has the advantages of simple structure, stable power and adjustable speed. It is widely used in food, glass, chemical, fastener and other industries, providing the best solution for the transportation of blocky, granular and powdery materials.

I. Advantages of electromagnetic vibrator

1. High efficiency: The electromagnetic vibrator can generate high-frequency and high-amplitude vibrations, thereby quickly and effectively transporting materials.

2. Precision: The electromagnetic vibrator can precisely control the amplitude and frequency of vibration by adjusting the current and voltage, so as to meet the transportation needs of different materials. This precision can ensure that the materials will not be damaged during transportation, and at the same time can improve the quality and stability of production.

3. Reliability:

The structure of the electromagnetic vibrator is simple and there are no mechanical transmission parts, so the failure rate is low and the reliability is high. The electromagnetic vibrator has a long service life and can operate stably for a long time in harsh environments. For example, in some industries such as mining and metallurgy, electromagnetic vibrators can work in harsh environments such as high temperature, high humidity and high dust, providing reliable guarantee for enterprise production.

4. Energy saving and environmental protection: The energy consumption of electromagnetic vibrators is low. Compared with traditional mechanical vibrators, a large amount of energy can be saved. At the same time, electromagnetic vibrators do not produce noise and pollution during operation and meet environmental protection requirements. In some industries with high environmental requirements, such as food and medicine industries, electromagnetic vibrators can provide energy-saving and environmental protection solutions for enterprises.

II. Unique advantages of VRV electromagnetic vibrator

1. Brand advantage: As a well-known brand, VRV has always been known for its high-quality and high-performance products. VRV electromagnetic vibrators strictly follow international standards in design, manufacturing and quality control to ensure the reliability and stability of products. VRV electromagnetic vibrators adopt advanced electromagnetic technology and high-quality materials. After strict testing and inspection, the performance and quality of products are ensured to reach the optimal level.

2. Technical advantage: VRV electromagnetic vibrators have a number of patented technologies and are in a leading position in the industry in terms of vibration frequency, amplitude and precision. The control system of VRV electromagnetic vibrator adopts advanced digital technology, which can realize precise control and adjustment to meet the needs of different users. VRV can customize electromagnetic vibrating feeders according to customer needs. If customers do not want to replace the trough body, we can also customize an installation plate on the basis of the original equipment to adapt to the installation of the customer's existing trough body.

3. Service advantage: As a professional vibration equipment manufacturer, VRV has a perfect after-sales service system. VRV provides users with all-round technical support and services, including product installation, commissioning, training, maintenance, etc., to ensure that users have no worries in the use process. VRV provides users with 24-hour online service. Users can contact customer service personnel at any time if they encounter any problems during use and obtain timely help and solutions. VRV promises to give customers a minimum one-year warranty. During this period, if the equipment fails at any time, it can be replaced.

4. Price advantage: VRV has a complete production system for electromagnetic vibrators. By taking advantage of location advantages, human resource advantages and technical advantages, the cost of electromagnetic vibrators is reduced, so that customers can receive the most competitive quotation while obtaining high-quality products.

Vrvibratoty provide you the best solution of material handling, get more details from us quickly!

Electromagnetic vibrating feeders play a crucial role in various industries by efficiently transporting bulk materials.

Electromagnetic vibrating feeders, also known as magnetic vibrating feeders, are devices designed to transport bulk materials smoothly and evenly. These feeders utilize the principles of electromagnetism to generate vibrations that move the materials along the feeder tray. Through their precise control and adjustable settings, electromagnetic vibrating feeders ensure an accurate flow of materials, making them widely used in mining, chemical processing, and other industries.

The core component of an electromagnetic vibrating feeder is the electromagnetic vibrator. This vibrator consists of a coil and an iron core, which generate a magnetic field when an electric current passes through the coil. The interaction between the magnetic field and the coil produces attracting and repelling forces, causing the vibrator to vibrate. The vibrations created by the vibrator are then transmitted to the feeder tray, which in turn conveys the materials.

One of the key advantages of using an electromagnetic vibrating feeder is its precise and adjustable feeding capacity. By adjusting the amplitude and frequency of the vibrations, operators can easily control the flow rate of materials, ensuring a consistent and efficient production process. This customizable feature makes electromagnetic vibrating feeders suitable for handling materials with different flow properties or specific processing requirements.

When it comes to electromagnetic vibrating feeders, VRV brand is widely recognized for its exceptional product quality and reliable performance. VRV's vibrating feeder is engineered with superior materials and craftsmanship, ensuring durability and long-term operation. Additionally, VRV's electromagnetic vibrating feeders are designed to minimize energy consumption, making them cost-efficient and environmentally friendly.

In addition to their outstanding product features, the VRV brand takes pride in providing excellent services to its customers. From initial consultation to installation and maintenance, VRV's dedicated team of professionals offers comprehensive support and assistance. With their extensive expertise and commitment to customer satisfaction, VRV ensures a seamless experience for clients relying on their vibrating feeder solutions.

Electromagnetic vibrating feeders, including the magnetic vibrating feeder or electromagnetic vibrator, are essential equipment in various industries for the efficient transportation of bulk materials. The VRV brand's vibrating feeder stands out due to its superior product quality, energy efficiency, and exceptional customer service. Choose VRV for reliable and customizable vibrating feeder solutions that enhance productivity and streamline your operations. Click vrvibratory to get more details.