What Kinds of powder or granule materials can use loss-in-weight feeder for feeding?
The loss-in-weight feeder can be used for feeding a variety of powder materials and granular materials. The following are some common examples:
Powder materials that can be fed by the loss-in-weight feeder
1. **Cement**: In the construction industry, cement is often in powder form and is precisely measured by a loss-in-weight feeder before being used in the production of concrete and other materials.
2. **Flour**: In the food processing industry, as an important raw material for making bread, pastries, etc., flour is often fed by a loss-in-weight feeder to ensure the accuracy of the ingredients.
3. **Milk powder**: In dairy production or related food processing, milk powder can have its addition amount accurately controlled through a loss-in-weight feeder.
4. **Lime powder**: In the chemical and construction industries, when lime powder is used in various reactions or as an additive, it can be fed by a loss-in-weight feeder.
5. **Coal powder**: In industries such as thermal power generation, coal powder needs to be precisely measured and then fed into equipment such as boilers, and the loss-in-weight feeder can meet this requirement.
6. **Talc powder**: Talc powder, which is widely used in industries such as plastics, coatings, and cosmetics, is often fed by a loss-in-weight feeder during the production process.
7. **Bentonite powder**: In industries such as foundry and drilling, bentonite powder requires precise feeding, and the loss-in-weight feeder is one of the commonly used equipment.
8. **Pigment powder**: In the production of coatings, inks, etc., pigment powder can have its color ratio precisely controlled through feeding by a loss-in-weight feeder.
### Granular materials that can be fed by the loss-in-weight feeder
1. **Grain granules**: Such as corn, wheat, etc. In industries such as feed processing and grain processing, they are often precisely fed by a loss-in-weight feeder to control the formulation ratio of the products.
2. **Plastic granules**: In the plastics processing industry, for various plastic granules such as polyethylene and polypropylene, feeding by a loss-in-weight feeder can ensure the accurate supply of raw materials in processes such as extrusion and injection molding.
3. **Compound fertilizer granules**: In the manufacturing of agricultural production materials, compound fertilizer granules need to be proportioned and packaged according to a certain ratio, and the loss-in-weight feeder can achieve precise feeding.
4. **Salt granules**: In industries such as food processing and chemicals, the addition amount of salt granules needs to be precisely controlled, and the loss-in-weight feeder can be used in the feeding process.
5. **Sugar granules**: In industries such as confectionery manufacturing and beverage production, sugar granules can have the sweetness of the products accurately controlled through feeding by a loss-in-weight feeder.
6. **Activated carbon granules**: In the environmental protection, chemical and other industries, when activated carbon granules are used in processes such as adsorption, they can be precisely fed by a loss-in-weight feeder.
7. **Biomass granules**: In industries such as biomass energy production, during the combustion or further processing of biomass granules, the loss-in-weight feeder can be used for precise feeding.
8. **Pharmaceutical granules**: In the pharmaceutical industry, before processes such as tableting and filling of pharmaceutical granules, they are often precisely fed by a loss-in-weight feeder.
Manufacturing and machining of parts require that they be produced accurately and repeatedly, so CNC (computer numerical control) machines are significant. The most widely used types of CNC machines are gantry and vertical machining centers. In terms of the kinds of applications, both have strengths and weaknesses. This article examines the essential points of difference between these two machines in order to determine which is most suited for various machine requirements.
What is a Gantry CNC Machine?
The gantry CNC machine comprises a horizontal beam by which the workspace is spanned and mounted on two side supports. This beam includes a spindle or cutting tool attachment, which can be moved in three linear axes (X, Y, Z). This offers accurate positioning over a great working area for finishing large parts.
How Gantry CNC Machine Works?
A gantry CNC machine has a bridge-like frame called a gantry. This gantry has rails that allow a spindle head to move left-to-right and forwards-backwards. The spindle head holds the cutting tool and moves along the X and Y axes. The cutting tool is lowered up and down on the Z-axis to touch the workpiece. The motion of the spindle head is controlled precisely by a computer which follows a programmed path. This allows the gantry CNC machine to cut, drill, and mill large metal or wood parts accurately by precisely positioning the spinning cutting tool according to CNC code instructions loaded into the computer. Gantry construction provides stability for handling big parts.
Key Features Gantry CNC
Large Work Envelope
One prominent feature is the large work envelope. The gantry frame structure allows for linear travel of multiple meters in both the X and Y axes. This oversized work zone is suited for machining extremely large parts beyond the capacity of typical CNC machines. On extended-length gantry machines, parts with lengths over 5 meters can be handled.CNC
Unobstructed Part Access
Another notable feature is the unobstructed part access provided by the horizontal orientation. There is clear access without obstructions around the work area, so workers can easily load and unload very large parts from all sides. This unimpeded multi-sided part access aids workflow.
Powerful Spindle Motors
Gantry CNC machines are also equipped with powerful spindle motors, usually from 10 horsepower to over 50 HP. The high, low-end torque from these powerful spindles allows aggressive metal removal. The dynamic and rigid construction can handle the heavy cutting forces exerted during intense drilling and milling operations.
Diverse Machining Capabilities
Finally, gantry CNC machines have diverse machining capabilities, making them well-matched for applications like plasma cutting, abrasive waterjet cutting, routing, and milling. The gantry architecture provides stability for accurate machining over the large work zone. Changes in tooling also allow the creating different part geometries using the same machine.
Uses of Gantry CNC Machines
Gantry CNC machines are commonly used in certain machining applications that utilize their large work volumes and powerful metal-cutting capabilities. The major categories of applications are:
Machining Oversized Metal Components
Many types of heavy equipment and vehicles have very bulky parts that exceed the bed size of regular CNCs. Gantry CNC machines have work zones matching these jumbo dimensions for machining oversized metal pieces.
Vehicle frames, bodies, agriculture equipment parts, ship hull sections, and structural construction components can have lengths over 5 meters. The meter plus capacity along the X and Y axes of gantry CNC machines enables the making of even such long metal parts.
Handling and Fabricating Large Woodworking Pieces
The woodworking industry requires the capability to machine huge wooden parts efficiently. Kitchen and display cabinets, giant furniture, big entrance doors, and building wood framing need abundant machining envelopes.
Nesting software helps optimize cutting when machining multiple wooden workpieces from sheet goods. Gantry machines have a rugged, abrasion-resistant construction to withstand all the wood chips and dust created.
Cutting Operations on Plate Stocks
Processes like plasma arc cutting and abrasive waterjet cutting require smoothly moving the cutting head along X and Y axes to achieve curvy patterns on plate material.
Gantry CNC machines offer the layout and robust build to move substantial weights smoothly across these lateral axes when flame-cutting steel plates or water jet-slicing stacked metal layers.
Advantages of Gantry CNC Machines
Oversized Work Envelope
Gantry CNC machines offer large working ranges along X, Y, and Z linear axes. This enables handling extra-large metal or wood parts exceeding the capacity of typical CNCs. Customizable to get bigger.
Minimal Design Deflection
The reinforced gantry frame paired with thick overhead beams and supports results in a robust, rigid structure. This dynamic stability retains accuracy when removing high metal cuts.
Unhindered Multi-Sided Access
The horizontal layout allows the loading of oversized parts from all sides without impediments. Workers can conveniently reach the entire work zone, improving workflow.
High Power Cutting Ability
Gantry CNC machines can integrate 50 HP or higher spindle power to rotationally drive large-diameter cutting tools at high torques vital for tapping, boring, and milling.
Disadvantages of Gantry CNC Machines
· The huge structure takes up a lot of shop floor space.
· High initial purchasing cost.
· It is not very versatile for small intricate components.
· It is limited in diagonal cutting ability.
What is a Vertical Machining Center
A Vertical Machining Center (VMC) refers to a Computer Numerical Control machine with a vertically oriented spindle axis. This allows the machining operations like milling, drilling, tapping, boring, etc, to be performed on a horizontally positioned workpiece.
The key parts of a VMC include the tool changers, tool magazines, CNC controller, cutting tools, coolant system, and the X, Y, and Z axis guideways. The tool magazine allows for automatic changes in cutting tools.
How Vertical Machining Center Works?
A vertical machining center has a spindle oriented vertically above the work table. The metal or plastic workpiece is secured to this table and can move back and forth on the Y-axis and in-out on the X-axis. The cutting tool attaches to the downward-pointing spindle. In CNC operation, the machine precisely controls the position of the table under the spindle, allowing the rotating cutting tool to mill and drill holes in the fixed workpiece. To accomplish machining operations, the Z-axis control lowers the spinning cutter into the workpiece at varying depths. Precision lead screws on the X, Y, and Z axes position the work area in relation to the cutter following computer numeric control instructions. This 3-axis motion allows versatile machining.
Key Features of Vertical Machining Centers
Compact Machinery Layout
The vertical orientation where the spindle coupling sits above the work table minimizes the machine footprint. This compact architecture fits production floors with space constraints.
Automatic Tool Changer
An automated tool changer assembly is commonly integrated within the machine enclosure for swapping cutting tools as needed. Reduces manual operator involvement.
Enclosed Machining Compartment
A fixed or sliding door seals the working area. This controls loose metal chips/coolant containment and reduces noise emission to the shop floor for a better work environment.
Programmable Coolant Nozzles
Smart coolant nozzles direct high-pressure coolant streams to critical areas like the tooltip and machining interface via the CNC program, improving heat control and chip flushing.
Direct Spindle Drive
The vertical spindle assembly connects directly to the high-torque motor without mechanical transmission loss. This enables optimal power transfer for heavy-duty cutting.
Uses of Vertical Machining Centers
Precision Metal Cutting
The rigid column design and direct spindle drive enable vertical machining centers to mill, drill, bore, and tap steel, aluminum, and titanium accurately with tight tolerances. Aerospace and medical parts often specify precision requirements.
Short Production Runs
Quick changeover between jobs makes a VMC suitable for small batch production rather than high volume long runs. Pallet pools with queued workpieces allow automated job shop workflows.
Completing Secondary Operations
After initial fabrication processes like casting or forging, vertical machining performs secondary refinements like surface finishing, hole drilling/boring, and profile milling to finish components.
Handing Varied Materials
From tough aerospace alloys, cast iron, and hardened tool steels to softer non-ferrous metals, vertical mills adapt via spindle speeds, tooling changes, coolant pressure, etc.
Advantages of VMCs
Space Saving Footprint
The vertical layout where the spindle sits above the work table minimizes the machine footprint for crowded shop floors. Takes less area than a horizontal machining center.
Fully Enclosed Work Zone
Having an enclosed machining compartment prevents debris like metal chips and coolant mist from dispersing externally. This helps maintain clean shop air quality.
Rigid Column Design
Column support for spindle plus minimal overhang or cantilever contributes to a rigid build. This stiffness enables more aggressive material removal than cantilever-style horizontal mills.
Efficient Chip Removal
With a vertical spindle pointing downwards into the work zone, chips naturally fall away without re-cutting. Automatic chip removal systems can also integrate more easily.
Automation Capability
A vertical machining center's small footprint and methodical compartment layout suit part pallet automation. Worker involvement is minimized with automated work part loading/unloading.
Multi-Face Machining
The rotating table indexes each work face towards the cutter for sequential machining without refixturing, decreasing handling time. All required milling, drilling, and tapping happen in one setup.
Disadvantages of VMCs
· Limited X and Y travel restricts maximum part dimensions
· Vertical spindle limits machining of very tall parts
· Higher energy consumption than horizontal CNC machines
· Cannot handle extremely long parts
Comparing Key Specifications
When comparing gantry CNC machines vs. VMCs, some key factors to analyze are:
Work Envelope Size
Gantry CNC machines offer a large work envelope with multiple-meter X-Y travels to handle big parts. Vertical machining center travels max out at around 2500 x 1200mm.
Structural Rigidity
The gantry uses thick overhead beams spanning heavy supports for excellent stiffness. VMC cantilevers and moving columns may allow slight deviations under loads.
Machining Versatility
VMCs adapt to varied materials and operations like precision boring and contouring. Gantries focus on high-force drilling/tapping or moving big parts across a large area.
Automation Suitability
A VMC's compact footprint suits part pallet automation. Gantry's vast work zone makes it harder to integrate part-loading automation.
Which is Better Suited?
After analyzing the differing strengths between gantry CNC machines and vertical machining centers, some general recommendations can be made regarding which is better selected for specific machining requirements:
When to Choose a Gantry CNC Machine?
If the machined parts are oversized with one or both dimensions exceeding a VMC's typical 1500-2000mm x-axis travel, then movement along a gantry's extended X and Y linear rails is better suited for positioning under the cutter. Gantry machines with travel over 5 meters are readily available.
The reinforced gantry provides rigidity for heavy metal-cutting applications where huge amounts of steel, titanium, or cast iron need high torque removal. Deflection is minimized despite dynamic cutting forces.
If the worked material requires clearance around all sides rather than secure fixturing, such as welding large frames or plasma-cutting plate stock, then the open horizontal orientation of the gantry facilitates multi-site access.
When to Select a Vertical Machining Center?
When factory floor space utilization needs optimizing, a VMC's compact footprint that takes less area than a hulking gantry system allows packing more machines into limited square footage.
If the production process requires various milling, drilling, and boring operations on multiple workpiece faces, the rotary table indexing of vertical machining centers allows sequential completion of integrated machining in one fixture setup.
When machining parameters call for tight tolerances, precision boring, intricate contours, or fine surface finishes, a VMC's rigidity and faster processor suit rapid yet accurate interpolation of cutting tool motion.
Summing It Up
Gantry CNC machines and Vertical Machining Centers both serve important but distinct CNC machining roles. Their configurations suit applications based on work zone requirements, machine rigidity, automation needs, and shop floor space constraints. Carefully analyzing the specifications and capabilities of each will determine which solution best fits your production environment.
Press Brake, as one of the key equipment in the sheet metal processing industry, although they play an important role in production, workers also have certain potential risks during operation, and factories also attach great importance to the safety of employees. In this article, we will explore the types of accidents that may occur in bending machines. As a professional bending machine manufacturer, ZYCO will propose corresponding preventive measures so that all users can clearly understand the machine and improve safety before using ZYCO machines.
Bending machines have the following types of accidents
1. Hand pressure accident
Hand pressure accident is one of the most common safety hazards in bending machine operation. During operation, if the operator's hand or other body parts accidentally enter the bending area, there will be certain disability accidents.
2. Drop accident
The operator may frequently change the mold. During this period, if the mold is not fixed well, it will be easy to cause the mold to fall and hit the machine, which will not only injure the operator, but also damage the machine.
3. Equipment failure
If the equipment failure is not promptly checked and maintained, it will also cause injuries and major damage to the machine.
4. Electric shock accidents
If the Press Brake has been used for many years without maintaining the electrical system, electric shock accidents such as leakage may occur.
5. Operational errors
For CNC bending machines, if the operator does not understand the use of the machine system, the machine may fail due to misoperation, resulting in dangerous accidents.
The occurrence of bending machine accidents is usually related to the following factors:
1. The staff does not know how to operate the machine: Many bending machine accidents are related to the operator's lack of understanding and skills of the machine.
2. Safety protection measures are not in place: If there are no certain safety production protection measures, the risk of bending machine accidents will increase.
3. Improper equipment maintenance: Lack of regular equipment inspection and maintenance may lead to equipment failure.
4. Poor working environment: The messy and unsafe environment in the workplace will increase the probability of accidents.
Preventive measures
1. Sheet metal factories strengthen the training of sheet metal bending workers
We can regularly provide operators with safety awareness and training on bending machine operation to ensure that they are familiar with the operating procedures and safety precautions of the bending machine.
2. Improve safety protection
The machine can be equipped with a laser protection device, which will greatly increase the safe working environment of the bending machine operator.
3. Regularly maintain the equipment
ZYCO recommends that all sheet metal factories establish a regular inspection and maintenance system for equipment. At the same time, ZYCO will also provide assistance to all users to ensure that the bending machine is in good working condition and eliminate potential fault hazards in time.
4. Improve the bending working environment
The workplace needs to be kept clean at all times, and workers should regularly clear obstacles around the bending machine to ensure the safety of the operating area.
Conclusion
Press Brake play an important role in metal processing, but the safety hazards in their operation cannot be ignored. ZYCO recommends that all users can effectively reduce the probability of accidents by understanding the types of accidents that may occur in bending machines and their causes, and taking corresponding preventive measures. In the future, with the development of technology and the improvement of safety awareness, the safe operation of ZYCO bending machines will continue to improve, providing safer protection for industrial production. We firmly believe that ZYCO will aim to produce the safest Press Brake and ensure that every machine we produce is the best and safe
1. The gantry shearing machine adopts hydraulic transmission, which is suitable for cold shearing of scrap metals with various cross-sectional shapes such as round steel, square steel, channel steel, angle steel, I-beam, steel plate, steel pipe, etc.
2. This series requires simple infrastructure, hydraulic and electrical integrated control, can implement single and continuous action conversion, simple and convenient to use, can stop and run at any working position, and is easy to implement overload protection. It has a wide range of applications and completely replaces flame cutting to reduce processing costs.
3. Hydraulic shearing machine The hydraulic shearing machine has a compact structure, the fuselage is welded into a box-shaped structure with steel plates, and the mechanical properties are stable. The shearing cylinder adopts a ball joint connection to improve the stability and life of the cylinder. The gantry shear adds a front plate guide device to improve the stress condition of the whole machine. The electro-hydraulic control can realize the automatic cycle of inching and linkage, which is one of the ideal equipment for the metal recycling industry and foundry workshop furnace material processing
4. The silo automatically presses the material, automatically pushes the material forward, and automatically shears, and the user does not need to do any operation. High production efficiency.
5. The slides on both sides of the tool holder are automatically lubricated with grease. The slides are made of high manganese steel wear-resistant material and are durable.
Aluminum can recycling line generally consists of pre-shredder, shredder, hammer mill, magnetic separator, eddy current, middle feeding, decoating furnace, dust removal system.
If the raw material is mixed metal bale, first put the bale into pre-shredder for preliminary shredding; then convey the scrap metal to shredder through conveyor belt for further shredding. This can effectively protect the shredder blade. The scrap processed by shredder will be conveyed to hammer mill by conveyor belt. In hammer mill, the scrap will be processed into small pieces for later decoating. The magnetic separator will remove the iron impurities in the scrap by magnetic force. Then it will be conveyed to eddy current through conveyor belt. The eddy current separator will magnetize the scrap by electromagnetic induction principle. The eddy current itself will generate a magnetic field opposite to the original magnetic field, thereby ejecting the required scrap material and separating it from other non-conductive or weakly conductive materials. The final aluminum metal will go through the middle feeding, which can ensure that the material is uniform and continuously enters the decoating furnace for decoating treatment. The decoating furnace will be connected to the dust removal system for dust removal to solve the environmental protection problem of the operating environment.
We have recently sent two aluminum cans recycling lines to Russia and Malaysia. If you are interested in aluminum can recycling, please contact us.
Metal balers are transformative machines in industrial recycling, designed to compress and bundle scrap metals like steel, aluminum, and copper into compact, manageable bales. They are widely used in steel mills, recycling facilities, and metal smelting industries, reducing transportation and smelting costs. Teyun’s metal balers cater to various scrap types and offer customization in box size, bale size, and type, ensuring versatility and efficiency.
A key advantage of metal balers is their contribution to sustainability. By compacting metal waste, they reduce landfill space requirements, mitigating environmental degradation. The baled metal is often sent to recycling facilities, where it is melted and repurposed into new products, closing the material lifecycle loop and conserving natural resources.
Economically, metal balers help businesses cut waste management costs by reducing the frequency of waste collection and disposal. Additionally, selling baled metal to recycling centers generates revenue, making the investment in metal balers financially viable over time.
In conclusion, the metal baleris an indispensable tool in the modern recycling industry. Its ability to efficiently process metal waste not only enhances operational efficiency but also promotes environmental sustainability and economic viability. As technology advances and demand for recycling solutions grows, metal balers will play an increasingly vital role in fostering a circular economy and reducing the environmental impact of industrial activities.
Tiger shear have the advantages of small size, light weight, low inertia, low noise, smooth movement, convenient operation, flexibility, large shearing section, easy adjustment of the cutting body, etc., and are safe to operate and use. They are often used in scrap recycling enterprises, scrap steel plants, smelting and casting enterprises to cold shear various shapes of steel and various structures of metal. The purpose of the shearing machine is to cut to size, cut heads, cut tails, cut edges, cut samples, and remove local defects of rolled products.
Working process of tiger shears
Adjust parameters: Adjust the position and shearing pressure of the shear blade according to the thickness and hardness of the metal material.
Placing metal materials: The metal materials to be sheared are placed on the workbench of the scrap metal shears.
Starting equipment: Start the power system of the tiger head shears through the control system.
Shearing metal materials: The shear blade shears the metal materials at high speed and high pressure to achieve fast and accurate shearing effects.
Features of tiger shear:
(1) Hydraulic drive, stable operation, no vibration.
(2) Simple infrastructure, no need for base screws for installation.
(3) PLC control is adopted, and users can choose manual or automatic operation.
(4) Automatic feeding mechanism can be added according to user requirements.
Advantages of tiger shears
1. The tiger shear uses a plate chain silo to achieve smooth feeding. This can avoid the problem of material extrusion and rumbling when feeding with traditional feeding mechanisms.
2. The shearing cylinder of the scrap metal tiger shearing machine adopts ball joint connection, which improves the stability and life of the cylinder. This also adds a front plate guide device, which has low noise, good stability and strong reliability.
3. It adopts hydraulic drive, which is easy to operate and simple to maintain. It is easy to install, and no foot screws are required to install the tiger shear.
Container shears, robust hydraulic attachments mounted on excavators or loaders, have become indispensable in industries requiring precision cutting of heavy metal structures. Engineered with high-strength steel blades and powered by hydraulic systems, these tools excel in slicing through thick steel, concrete, and other resilient materials, offering efficiency and safety across diverse sectors.
Recycling and Scrap Processing
In recycling, container shears transform bulky items like shipping containers, automobiles, and machinery into manageable scrap. By cleanly cutting metal, they facilitate efficient transportation and melting, reducing landfill waste and promoting sustainable metal reuse. Their ability to process varied materials swiftly makes them vital in scrap yards, enhancing productivity while lowering labor costs and hazards associated with traditional cutting methods.
Demolition and Industrial Decommissioning
During demolition, container shears dismantle steel frameworks, reinforced concrete, and pipelines with precision. Unlike explosive methods, they allow controlled disassembly, minimizing collateral damage and improving material recovery. This precision is crucial in urban settings or hazardous environments, such as chemical plants, where safety and material segregation are priorities.
Disaster Response and Port Operations
In emergencies like earthquakes, container shears expedite rescue efforts by clearing debris and cutting through collapsed structures. Their mobility and power enable rapid access to trapped individuals. Similarly, ports utilize these tools to inspect or salvage goods from damaged containers swiftly, ensuring logistical continuity and reducing downtime.
Conclusion
Container shears revolutionize industries by merging power, versatility, and safety. From advancing circular economies in recycling to enabling precise demolition and lifesaving disaster response, their applications underscore their role as a cornerstone of modern industrial efficiency. As technology evolves, these tools will continue to drive innovation in material management and operational safety worldwide.
Evaporators are essential components in many heat exchange systems, and spiral baffles play a unique role in allowing small evaporators to manage large heat loads effectively. By optimizing fluid flow and enhancing heat transfer, spiral baffles contribute to making even compact evaporators highly efficient.
What Are Spiral Baffles and How Do They Work?
Spiral baffles are specifically designed elements that create specialized flow paths inside the evaporator. When fluid enters the evaporator, the spiral baffle redirects it into a spiral flow pattern. Unlike traditional straight-line flow, the spiral path increases the turbulence of the fluid. This enhanced turbulence promotes better mixing of the hot and cold fluids, improving heat exchange efficiency. It’s similar to stirring coffee to dissolve sugar more quickly—better mixing leads to faster and more efficient heat transfer.
Why Does This Spiral Flow Improve Heat Transfer?
The spiral baffle design significantly extends the fluid’s path within the evaporator. In a small evaporator, this longer flow path ensures that the fluid has more contact time with the heat transfer surface. The increased contact time and surface area enhance heat transfer, allowing for more effective energy exchange between fluids. The longer flow path essentially “packs” more heat transfer into a smaller space.
Optimizing Flow Distribution for Maximum Efficiency
In addition to improving heat transfer through longer contact times, the spiral baffle helps optimize the flow distribution within the evaporator. In traditional evaporators, some areas may suffer from slow-moving or stagnant fluid, leading to inefficient heat exchange. Spiral baffles eliminate these dead zones by ensuring a uniform flow throughout the evaporator, allowing every part of the system to actively contribute to heat transfer.
The Impact on Performance
By modifying the fluid’s flow state, extending the flow path, and improving flow distribution, spiral baffles enable small evaporators to handle large heat loads. This design enhancement is invaluable in industries such as refrigeration and HVAC, where compact systems are required to operate at high efficiency despite their small size.
Key Benefits of Spiral Baffles in Evaporators
• Enhanced Heat Transfer:
The spiral flow increases turbulence, which promotes more efficient mixing and heat transfer.
• Compact Design:
Spiral baffles allow for greater heat exchange in smaller evaporators, saving space without sacrificing performance.
• Uniform Flow Distribution:
They reduce dead zones, ensuring that all parts of the evaporator contribute to heat exchange.
• Energy Efficiency:
The improved heat transfer reduces the need for large, energy-consuming systems, lowering overall operating costs.
• Adaptability:
Spiral baffles are suitable for a wide range of industrial applications, from refrigeration to air conditioning.
1.As the temperature gradually drops in winter, some customers have experienced poor adhesion, brittle hot melt adhesive, and degumming when using hot melt adhesive for production. What is the reason?
Hot melt adhesive is sensitive to ambient temperature. Due to the cold temperatures in winter, the hot melt adhesive bonding process is cold, resulting in rapid solidification and hardening. Some glue manufacturers will adjust the high-temperature and low-temperature resistance of the glue according to the season when producing glue. Please consult the glue manufacturer when using glue.
2.What is the difference between hot melt glue in winter and summer and autumn?
To be precise, there are some differences in the design of certain properties of glue between winter and summer. For example: the curing time (also called open time) of hot melt adhesive is an important factor affecting the viscosity of hot melt adhesive. Due to factory operations, they are basically carried out at room temperature. The room temperature in winter and summer is very different, so the curing time requirements for hot melt adhesive are different at this time. The same glue needs to shorten its curing time in summer and extend its opening time in winter.
3.What precautions should be taken when using a hot melt adhesive machine in winter?
1. During the bonding process, the hot melt adhesive is heated for too short a time, causing the temperature of the hot melt adhesive to fail to meet the requirements. When using hot melt adhesive in winter, please increase the operating temperature in the hot melt adhesive tank of the hot melt adhesive machine by 10~20°C. Frequently check whether there is any difference between the actual temperature in the glue tank and the table temperature to prevent the temperature control system of the machine from malfunctioning in winter and causing the meter temperature to be inconsistent with the actual temperature.
2. The setting temperature of hot melt adhesive is too low. If the temperature of the bonded material is lower than 15 degrees, it is recommended that qualified customers preheat the bonded material before packaging operation. If necessary, please add auxiliary heating facilities such as hair dryers, heating lamps, etc. to increase the temperature. their temperature to achieve good gluing effect. To ensure the quality of packaging.
3. The storage temperature is above 15℃. The temperature of the warehouse where hot melt adhesive is stored is also best kept above 15 degrees to shorten the melting time of hot melt adhesive.
4. The temperature during work or at the construction site is too low. Please pay attention to the insulation of the production workshop and avoid placing machines that use hot melt glue in places where air circulates quickly, such as doorways, vents, etc.
5. The substrate temperature is too low. Please pay attention to the insulation of the bonded materials. If materials stored in a low-temperature environment are used directly for packaging, the temperature of the glue will drop too quickly, adversely affecting the packaging effect, and in severe cases, the glue may open.
