Hot melt glue carton sealing machine is an automatic or semi-automatic packaging equipment that is upgraded and transformed on the basis of packaging machine. It can automatically complete glue spraying, ear folding, sealing, etc.

The hot melt glue box sealing machine uses an automatic glueing method to glue the folded sides of the carton. It is suitable for gluing a variety of carton sizes. It has a simple appearance, reduces power consumption, conforms to the concept of environmental protection and energy saving, and has low investment costs. The carton sealing machine is highly efficient, with a production capacity of 30-50 boxes/minute. The efficiency is 2-3 times that of manual carton sealing. It has a wide range of applications and can be adjusted according to the size of the carton anytime and anywhere.

Possible problems with hot melt glue carton sealing machine

1. Insufficient and uneven gluing:

The hot-melt glue machine has blocked glue during the pre-melting process or at the glue outlet, which may lead to uneven glue application. This is because the operating load capacity of the machine is insufficient to completely melt the adhesive, or the temperature setting of the hot melt glue machine is too low.

2. Excessive smoke or smell:

Similar problems can occur due to reasons such as the set temperature is too high, the mechanical current device is incorrect, the thermostat of the hot melt adhesive machine is faulty, the heater is faulty, the hot melt adhesive tank is not clean and other impurities or dust are mixed in, etc.

3. "Glue thread" is produced when applying glue:

The heating temperature set by the hot melt glue machine is low, the glue application procedures and methods are inappropriate (the amount of glue applied is too large), the temperature difference between the outdoor and indoor areas (the construction site is large, and the convection of the air can easily cause the ambient temperature to change (especially in winter)). Stringing phenomenon.

4. There is dirt or excessive adhesive on the edge of the box sealing machine.

Excessive glue application, mechanical failure during the trimming process, improper glue application position, and excessively high temperature of the hot melter may cause glue accumulation, thereby affecting the glue application effect.

5. Release after bonding:

The cause is that the hot melt glue carton sealing machine is cold (suddenly cooled) during the bonding process. Stable bonding conditions should be maintained (including temperature, pressure, and working speed, etc.), otherwise the bonding effect will be affected. In addition, incorrect selection of glue will also cause the carton bonding effect to be insignificant.

Cohesive strength of PUR hot melt adhesive machine

The law of influence between the cohesive strength of PUR hot melt adhesive colloid and wire drawing is: if the cohesive strength is large, the wire drawing phenomenon will be obvious; on the contrary, if the cohesive strength is small, the wire drawing phenomenon will not occur.

PUR hot melt adhesive curing time

The curing time of PUR hot melt adhesive is an important factor affecting the occurrence of stringing. Generally speaking, the PUR hot melt adhesive with a short curing time has a low probability of stringing, because the filaments formed when the hot melt adhesive is sprayed out of the muzzle, due to Rapid curing makes it impossible to stretch continuously and is prone to breakage, and sometimes no strands are visible.

Effect of machine temperature

If the PUR hot melt adhesive machine temperature is too low, the consistency of the PUR hot melt adhesive itself will increase and stringing will occur.

PUR reactive hot melt adhesive should be bonded within the opening time after application to ensure the best bonding effect. However, during the bonding process, bubbles may appear. What is the reason?

1. The temperature of the glue tank is too high. If the temperature is too high and the hot melt adhesive has poor heat resistance, this phenomenon may occur;

2. The hot melt adhesive itself. The hot melt adhesive is not completely melted and mixed during the production process. The air in the rubber will be released during the heating process by the user, or the hot melt adhesive is not vacuumed or cannot be vacuumed properly during the production process. thorough;

3. If there are bubbles in the glue coming out of the nozzle, you can consider whether the temperature of the hot melt glue machine is too high and whether there is residual glue that has not been drained out. You can try to drain the glue for a few minutes to see if the glue is smooth and without bubbles;

4. There are no bubbles when the glue comes out of the nozzle, but there are bubbles after the reaction. One possibility is that there is tension after bonding, and the external pressure is not strong enough, or the pressure is not good. Another possibility is that the adhesive was not positioned and pressed in time after pasting, causing it to bounce off when first bonded, resulting in bubbles on the edges or both ends.

Hot melt glue machines, hot melt glue guns, and hot melt hoses all have heating functions to prevent the hot melt glue from cooling during the circulation process, thereby affecting the product bonding effect. What to do if the hot melt glue tube or hot melt glue gun does not heat up? Today we will briefly introduce you to several troubleshooting methods.

1. The heating wire (rod) is damaged: first check the wiring and measure the resistance value, and then replace the heating wire after confirming the resistance.

2. Thermosensor failure: Check the wiring and measure the resistance value, and replace it after confirmation.

3. Poor line contact: Check whether the line contact is loose.

4. Corresponding temperature control meter failure: Check whether the solid-state relay has an input DC signal.

5. Solid state relay failure: Check and replace the solid state relay

6. Whether the fuse is burned out: Check and confirm. If damaged, please replace the fuse with a new one.

If the hot melt glue hose and hot melt glue gun are not heated during use, the stability of the glue will be affected. When the hot melt glue machine is used again, the solid glue in the hose or glue gun will not be able to melt and flow out, causing blockage and causing the entire set to heat up. The melting machine will not be able to be used. Therefore, when using the entire hot melt adhesive machine, it is necessary to maintain and repair it on time to avoid delaying production and causing unnecessary trouble.

The hot melt adhesive cools before bonding. The reasons and solutions are as follows:

(1) The use temperature of hot melt adhesive is low → increase the use temperature;

(2) The opening distance is too long → reduce the opening distance;

(3) The conveyor belt speed is too slow → increase the conveyor belt speed;

(4) The amount of glue applied is not enough → increase the amount of glue applied;

(5) The temperature of the adhered material and the environment is low → increase the temperature of the environment or the adhered material;

(6) The pressure is inappropriate → adjust the pressure.

It needs to be analyzed one by one for different reasons to obtain corresponding solutions.

Each adhesive has specific properties. Even if hot melt adhesives look the same, that doesn't mean they have the same chemical structure.

2 reasons why mixing is not recommended

1. Clogging of hoses and hot melt glue guns

Suppose you change from a hot melt adhesive that is used at 150-170°C to one that is used at 130-150°C. What happens if you mix new hot melt glue into the old glue in the glue tank?

First of all, because the temperature in the melt tank is too high, the newly added hot melt adhesive will carbonize.

Secondly, when hot melt adhesive is heated above its use temperature, the viscosity will decrease - the glue will become very thin. Thin hot melt glue will flow out faster because it flows better, while thicker old glue will stay in the melt tank and cause carbonization.

Carbonized hot melt adhesive will not be noticed immediately, but once molding begins, it will adhere to any location in the glue spray system, causing serious consequences. Hot melt hoses and glue guns may become clogged.

2. Cause poor bonding effect

If the temperature setting is wrong and the viscosity is too high, the hot melt adhesive will be too viscous and too little of the hot melt adhesive will be sprayed. Conversely, if the viscosity is too low, it will be too thin and too much hot melt adhesive will be sprayed. And due to different opening times, too long or too short time for hot melt glue to set may also lead to poor bonding.

Therefore, never mix different hot melt glues!

Mixing two or more different hot melt adhesives

↓

Carbonization, clogging (difficult to clean)

↓

Increased downtime (impacts production)

↓

In severe cases, the glue gun and hot melt hose need to be replaced.

↓

Increase production costs

 

In modern agricultural production, harvesting and processing of grains are important links. In order to improve efficiency and quality, grain color sorter has become one of the indispensable equipment. As a well-known agricultural industrial machinery manufacturer, Mihoshi brand provides a series of efficient and intelligent grain color sorting machines for production and processing companies with its advanced technology and excellent quality. This article will introduce the characteristics and advantages of Mihoshi Valley's selection machine, helping readers choose the equipment that suits their needs.

 

Characteristics of Mihoshi Valley's Machine Selection

The Mihoshi grain sorting machine adopts advanced optical sensing technology and image processing algorithms, which can comprehensively and accurately sort grains. Its main features include:

Efficient and energy-saving: The Mihoshi Valley selection machine adopts an optimized operating system and an efficient exhaust system to reduce energy consumption and improve work efficiency.

Accurate sorting: The grain color sorter can accurately separate impurities, defective grains, and diseased grains based on their size, shape, color, and other characteristics, ensuring excellent grain quality.

Intelligent control: The grain color sorter is equipped with an advanced intelligent control system, which can adapt to different grain varieties and processing requirements through real-time monitoring and automatic adjustment, providing the best color sorting effect.

Enhanced durability: The Mihoshi Valley selection machine adopts high-quality materials and precise processing technology, with high durability and stability, and can operate stably for a long time.

 

Mihoshi Valley's advantages in searching and selecting machines

The advantages of choosing Mihoshi Valley for machine selection are as follows:

Reliable Quality: As a well-known brand in the agricultural machinery industry, Mihoshi has always focused on product quality and technological innovation. Choosing the Mihoshi Valley sorting machine allows you to use it with confidence and achieve excellent sorting results. Mihosh

Widely applicable: Mihoshi grain color sorter can be used for sorting various grains, including wheat, rice, corn, etc. It has a wide range of applications and can meet the needs of different crops.

User friendly: The Mihoshi grain color sorter has a simple and easy to understand operating interface and user-friendly design, making it easy for even users without professional knowledge to operate and improve work efficiency.

Customer Service: Mihoshi provides comprehensive pre-sales consultation and after-sales service, including equipment installation, maintenance, etc., to ensure that users receive timely support and assistance during the purchase and use process.

 

Mihoshi grain color sorter, with its advanced technology and excellent quality, has become an important tool for production and processing companies to improve production efficiency and ensure grain quality. When choosing a grain color sorter, you can consider the Mihoshi brand products produced by Meixing Intelligent Technology Company, and choose the appropriate model and configuration according to your own needs to improve the quality and efficiency of agricultural production.

 

Rice is one of the most important staple foods for people, and for most people, three meals a day revolve around rice. If the quality of rice is not up to standard, it will directly affect people's physical health, increase the demand for rice quality, and promote the continuous improvement of rice technology and equipment.

 

The rice entering the color sorter must not contain any crushed stones, metal materials, or other substances. This requires the installation of effective magnetic separators, high-efficiency vibrating screens, density grading stone removal machines, and other machines during the initial cleaning stage to remove as much residue as possible, reduce color particles and other components, relieve the pressure on the color sorter, fully utilize the initial cleaning function, and improve the working efficiency of the color sorter.

 

Rice enters the machine from the top hopper, and through the vibration of the vibrator device, the rice slides down the channel, accelerates its descent into the observation area of the sorting chamber, and passes between the sensor and the background plate. Under the action of the light source, the system generates output signals to drive the solenoid valve to blow out particles of different colors into the waste chamber of the receiving hopper according to the strength and color changes of the light, while the good rice continues to fall into the finished product chamber of the receiving hopper, thus achieving the purpose of selection. The beige color sorting machine can screen out rice grains with different colors, effectively improving rice quality, reducing rice loss, and lowering processing costs.

 

For consumers, only rice with good quality and no impurities can motivate them to purchase. Undoubtedly, rice production enterprises are facing challenges and need to 100% remove particles and impurities with different colors, such as coal slag, small glass, black rice grains, etc. The Meixing beige color sorter can fully meet these requirements.

Quality and Safety Are Important Factors When Choosing a Steelwork Suppliers for Your Industrial Constructions.

 

 

Whether it concerns the construction of a new custom steelwork project, or the expansion of a factory facility to include specific structural steel platforms and metal stairs, the right steelwork fabricators can ensure the success, durability, and safety of the entire project. Here are some crucial aspects to consider when selecting steelwork fabricators.

 

Experience and Reputation

 

An experienced steelwork fabricators is often a reliable choice. Look for steelwork suppliers with a long - standing presence in the industry. A company that has been involved in various industrial construction projects, especially those similar to yours, will have in - depth knowledge of the challenges and requirements. For example, a steelwork manufacturer that has previously worked on large - scale industrial facility steel structure frames will be well - versed in handling the complex load - bearing and spatial design aspects.

 

Checking the reputation of steelwork fabricators is equally important. Read online reviews, ask for references from past clients, and see if they have any industry - recognized certifications. A good reputation is often a sign of consistent quality and reliable service.

 

Quality Control

 

Quality control is non - negotiable in fabricated steelwork. Structural steel fabricators should have a strict quality management system in place. This includes using high - quality raw materials. Only premium - grade steel can guarantee the strength and durability of the final product. For instance, in the construction of structural steel platforms, the quality of steel directly impacts the platform's load - bearing capacity.

 

Inspection at every stage of the steelwork fabrication process is essential. From the initial cutting and shaping of the steel to the final assembly, regular inspections can identify and rectify any potential defects promptly. 

 

Production Capacity

 

For large - scale industrial construction projects, the production capacity of steelwork fabricators matters. Consider the heavy steel fabrication requirements for engineering machinery steel structure frames. These often demand a large amount of steel to be processed and fabricated within a specific time frame. A fabricator with sufficient production facilities, including advanced machinery and an adequate workforce, can meet the project's deadlines without compromising on quality.

 

They should also be able to handle the complexity of the project. Some fabricated steelwork projects, like metal stairs with intricate designs, require a high - level of precision and the ability to manage multiple components simultaneously.

 

Customization Capabilities

 

When it comes to custom metal fabricators, their ability to meet specific project requirements is a key factor. In industrial constructions, one - size - fits - all solutions rarely work. For example, a particular industrial facility might have unique spatial constraints or functional requirements for its steel structure frame. A good fabricator should be able to provide tailored design and fabrication services, from the initial design concept to the final installation.

 

They should be able to work closely with architects, engineers, and contractors to ensure that the fabricated steelwork integrates seamlessly with the overall construction plan. This collaborative approach can lead to more efficient project execution and better - quality results.

 

Cost - effectiveness

 

While cost should not be the sole determining factor, it is an important consideration. Request detailed quotes from different steelwork fabricators. Compare not only the price but also what is included in the quote. Some fabricators might offer a lower initial price but have hidden costs for additional services or materials.

 

A cost - effective choice is one that offers the best balance between quality and price. A slightly higher - priced fabricator might be a better option if they can provide superior quality, faster turnaround times, and better after - sales service, as these factors can ultimately save costs in the long run.

 

After - sales Service

 

After - sales service is often overlooked but is crucial. In case of any issues with the fabricated steelwork, such as structural problems in a metal stair or a steel structure frame, the steelwork fabricators should be responsive and provide timely solutions. This could include on - site inspections, repairs, or replacements. A fabricator that offers a comprehensive warranty and good after - sales support gives clients peace of mind and ensures the long - term performance of the industrial construction project.

 

In conclusion, choosing the right steelwork fabricators for industrial constructions requires a careful evaluation of their experience, quality control, production capacity, customization capabilities, cost - effectiveness, and after - sales service. By considering these factors, industrial construction projects can be completed successfully, with high - quality fabricated steelwork that meets all the necessary requirements for safety, functionality, and durability.

 

CAFU Machinery Company Provides High - Quality Steelwork Fabrication Services

 

Our structural steel fabrication services for industrial constructions cover the entire process, including design, manufacturing, quality control, logistics, and installation supervision, which can fully meet your heavy steel fabrication requirements. Please contact us now to obtain high - quality custom steelwork solutions.

In the construction and industrial sectors, the need for efficient and reliable cement storage solutions is crucial. A bolted cement silo offers a practical and customization option for storing various materials such as cement, fly ash, and ground granulated blast - furnace slag (GGBS). This article will guide you through the process of customizing a bolted cement silo, highlighting the key factors to consider and the steps involved.

 

 

Determine Your Storage Requirements

 

The first step in customizing a cement silo is to accurately assess your storage needs. Consider the volume of materials you need to store. For most common projects, standard capacities of cement silos range from 100 tons to 1000 tons. However, if your requirements deviate from these typical sizes, it's essential to clearly define the specific storage quantity.

 

Also, identify the types of materials that will be stored in the silo. Different materials may have unique properties that can impact the design and construction of the silo. For example, cement has different flow characteristics compared to limestone powder, and this can influence factors such as the silo's internal slope and discharge system.

 

Consider Size Limitations

 

Size limitations play a significant role in the customization process. You need to determine whether there are any height or diameter restrictions at the installation site. These limitations could be due to factors such as the available space, overhead power lines, or architectural constraints. If the silo is to be installed indoors, the dimensions of the building must be carefully measured to ensure a proper fit.

 

On the other hand, for outdoor installations, additional environmental factors need to be considered. If the silo is located near the sea, the corrosive nature of the marine climate necessitates enhanced corrosion - resistant protection for the silo's outer surface. Special coatings or materials may be required to ensure the silo's longevity in such harsh conditions.

 

Choose a Standard or Custom Design

 

 

In most cases, it is advisable to consider the standard models offered by silo manufacturers. These models have been tested and proven to be reliable and cost - effective. They come in a range of capacities and are designed to meet the general requirements of many construction projects.

 

However, for specific projects with unique needs, a custom - designed silo may be necessary. In such instances, close communication between the silo manufacturer's engineering team and the project owner is essential. The engineering team will need to understand all the specific requirements, including the ones mentioned above, to create a tailored design that meets the project's exact specifications.

 

Communicate with the Manufacturer

 

Once you have determined your requirements and limitations, it's time to communicate with the silo manufacturer. Provide them with all the relevant information, including storage volume, material types, size limitations, and installation location details.

 

In response, the manufacturer will provide a professional customized solution description for the bolted cement silo. This description will outline the proposed design, materials to be used, and any special features or considerations. It's important to carefully review this proposal to ensure it aligns with your expectations.

 

Production and Quality Control

 

After approving the customized solution, the production process begins. The production cycle for a customized cement silo can vary depending on its size and complexity. For example, a 100 - ton bolted cement silo typically takes 10 - 15 days to manufacture.

 

During the production process, strict quality control measures are in place. This includes thorough welding inspections to ensure the structural integrity of the silo. Factory pre - assembly is also carried out to identify and resolve any potential issues before the final installation.

 

Once the manufacturing is complete, the silo undergoes surface treatment. This involves shot - blasting to remove rust and impurities from the components, followed by the application of an anti - rust coating. After the coating has been tested and approved, all components are carefully packaged according to the packing list for shipment.

 

Shipping and Delivery

 

Since bolted cement silo are designed with container transportation in mind, their components are packaged in a way that minimizes volume. This helps to reduce transportation costs. The silo components are then shipped via container to the port specified by the customer.

 

Customizing a bolted cement silo requires careful planning, clear communication, and attention to detail. By following these steps and working closely with a reliable silo manufacturer, you can ensure that you get a high - quality, customized cement silo that meets your specific needs for efficient and safe material storage in your industrial or construction project. 

 

Contact CAFU Today to Customize Your Cement Silo Project!

 

Whether you choose a standard model or a fully customized solution, cement silos and their accompanying structural steel facilities, designed by CAFU Machinery, are one of the ideal choices for handling bulk materials such as cement.