投稿者: Sugita

What is an ERV Core?

An ERV Core is a mechanical component that safely and efficiently compensates for temperature differences between two fluids.

It is a component that equalizes temperatures without directly mixing liquids or gases, allowing heat to pass through metal plates and thin tubes. It functions as a core component in heat exchangers and other devices. It is incorporated into many machines, such as water heaters and automobile radiators.

The basic structure is based on the principle of increasing the surface area by expanding the path where fluids come into contact. This is achieved by stacking thin metal plates or engraving microscopic grooves to expand the contact surface. Copper and aluminum, which have high thermal conductivity, are the main materials used, but there are also many ceramic products that are resistant to corrosion and freezing. Resin products made with precision processing are also available, and optimization for each application is progressing. Total heat exchange rate and sensible heat efficiency are used as indicators of efficiency, and the higher the rate, the less energy is required for heat exchange.

Applications of ERV Cores

ERV cores are used in the following applications.

1. Industry

ERV cores are used for various purposes in large-scale facilities such as factories. They are used in manufacturing lines to cool machinery and equipment so that they always operate at the appropriate temperature, or conversely, to heat products. In power plants and chemical plants, they are used to recover the enormous amount of heat generated during the process, thereby improving the energy efficiency of the entire plant.

2. Air conditioning equipment

ERV cores play an important role in air conditioning equipment such as air conditioners and ventilation systems. For example, they are used to replace the air while maintaining a comfortable temperature in the room during ventilation. They contribute to reducing the burden on cooling and heating and maintaining a comfortable space with less energy.

3. Hot water supply and heating equipment

ERV cores are also used inside water heaters and heating equipment. When boiling water, the high heat generated by gas combustion must be efficiently transferred to the water. By passing the heat through the ERV Core, it can be transferred to the water without waste, making it possible to boil water in a short time. In addition, since there is still heat remaining in the exhaust gas, it is also used in heat recovery devices to reuse that heat. This technology is essential for making the most of limited energy and supporting our comfortable lifestyles.

Translated with DeepL.com (free version)

What Is AI Visual Inspection?

AI visual inspection is the use of artificial intelligence (AI) to inspect the appearance of products or other objects automatically.

As an alternative to human visual inspection, devices such as cameras and sensors capture images of a product’s exterior. AI algorithms then analyze these images to detect defects and anomalies. This process is typically performed at the end of the manufacturing process to enhance quality control.

AI visual inspection relies on advanced pattern recognition and image processing techniques. It can detect defects with very high accuracy and is often automated, enabling inspections that are faster and more consistent than those done manually. This improves manufacturing efficiency and the quality of the final products.

Uses of AI Visual Inspection

AI visual inspection is used across a wide range of industries. Some common examples include:

1. Automotive Industry

In automotive manufacturing, where part quality is critical, AI visual inspection detects defects such as scratches, dents, and color inconsistencies quickly and accurately. This enables early detection of faulty products and ensures the delivery of high-quality items to customers.

2. Food Industry

Since product quality and contamination directly impact consumer trust, AI visual inspection detects defects, discoloration, and foreign substances in food products. It can also verify package seals and labeling to ensure product integrity.

3. Electronics Industry

In electronics, where reliability is crucial, AI visual inspection detects issues such as soldering defects and missing components, enabling manufacturers to maintain high standards.

4. Connector and Plastic Molding Industry

Connectors and plastic molded products are often produced in small lots with many variations. Visual inspection is a challenge in this field due to the diversity and volume of products.
AI inspection is an effective alternative, especially where manual labor deployment is difficult.

Types of AI Visual Inspection

AI visual inspection uses different machine learning models:

• Supervised Learning Models: These learn from labeled abnormal images and detect similar defects.
• Unsupervised Learning Models: These models learn only from normal images and flag anything different as an anomaly. The accuracy of these models has improved significantly in recent years.

One challenge with supervised learning is the need for many abnormal image samples. To address this, researchers are exploring the use of generative AI to create synthetic defect images and improve model performance.

AI visual inspection is increasingly replacing conventional visual checks and rule-based systems, where human-defined rules were used for inspections.

How to Select an AI Visual Inspection System

Several factors should be considered when choosing an AI visual inspection system:

1. Characteristics of the Inspection Target and Types of Defects

Each AI method has strengths and limitations. Consider the shape, size, and surface of the inspection target, as well as potential types of defects. Select a system suited to these conditions.

2. Imaging Environment and Process Integration

Since detection depends on image quality, factors like lighting, camera placement, and equipment setup must be optimized. It is also important to integrate the inspection system into the workflow, enabling automated rejection of defective products.

3. Scalability for Changing Requirements

The inspection system should adapt to changes in volume or product type, such as seasonal or custom products. Evaluate whether the system supports such scalability and whether the vendor offers adequate technical support.

4. Data Requirements

High accuracy depends on training data. The more diverse and extensive the dataset, the better the AI model’s performance. Collecting and preparing quality data is therefore essential.

What Is a Hydraulic Gantry?

A hydraulic gantry is a lifting machine that consists of jacks (legs) equipped with a telescoping mechanism, such as hydraulic cylinders, and beams arranged in a gantry shape. It moves heavy objects below or above the beam by extending and retracting the jacks.

Hydraulic gantries are called “gantries” because their structure resembles a gate. They are also known as “bridge lifters” due to their shape. The term “gantry” refers to a structure with horizontal beams supported by multiple vertical legs.

The traveling frame is equipped with wheels, allowing the gantry to move while lifting a load. Some models can also shift horizontally. There are a wide variety of gantries, from small ones with a lifting capacity of about 1 ton to large ones capable of lifting over 1,000 tons. They also differ in beam length, lift height, and stroke. These machines are ideal for safely moving heavy loads in environments where cranes cannot be used due to building constraints or limited space.

Uses of Hydraulic Gantry

A hydraulic gantry is often used to move heavy objects in confined spaces where cranes are impractical, such as in buildings with low ceilings, tunnels, or areas with overhead obstructions like electric cables. They are also useful in buildings where overhead cranes cannot be installed, such as in leased buildings or structures that are not strong enough to support cranes.

Hydraulic gantries lift objects by extending and retracting jacks. Because the load can be directly suspended from a special hanger, the lifting loss is minimal. The beam height can also be adjusted to navigate obstacles overhead.

When moving long or heavy loads, using cranes or forklifts can be unstable and dangerous. In such cases, two hydraulic gantries can be used for safer and more efficient handling. Different types and sizes of gantries are used depending on the working environment.

Principle of Hydraulic Gantry

A hydraulic gantry uses a hydraulic or electric jack powered by electricity, with a beam mounted at the top. The beam may have special hangers (rings) to hold the load or a deck on which the load is placed.

For hanger types, the load is positioned under the beam. The jack is retracted to lower the beam, the load is suspended from the hangers, and then raised.

For deck types, the deck is lowered by retracting the jacks. The load is placed on the deck, and then it is raised.

Larger gantries move using motor-powered wheels at the base of the jacks. Smaller models may be moved manually. The gantry is operated via a switch panel connected to a control unit.

Types of Hydraulic Gantry

Hydraulic gantries are available in various types, including beam-lifting and deck-lifting models. They differ in terms of lifting capacity, stroke, and span, depending on the weight and size of the cargo.

1. Lift: The distance from the ground (or the top of the rail, if present) to the bottom of the hanger hole.
2. Stroke: The total travel distance from full extension to full retraction of the jack.
3. Span: The horizontal distance between the centers of the left and right jacks.

Hydraulic gantries can be disassembled and reassembled, allowing them to be transported to various locations and used as needed. This improves the equipment’s investment efficiency and flexibility.

How to Select a Hydraulic Gantry

Hydraulic gantries are used to lift heavy loads that cannot be handled manually. Therefore, safety is the top priority in selecting and operating a gantry lifter. Companies may not be able to manage accidents or breakdowns on their own.

When choosing a gantry, consider not only the machine’s specifications but also the proposed installation method for the specific site conditions and the availability of maintenance and support services.

What Is an ADAS Camera?

An advanced driver assistance system (ADAS) camera is an essential component used in advanced driver assistance systems.

An ADAS camera captures images of a vehicle’s surroundings to help the driver operate the vehicle safely.

Specifically, it detects the distance to pedestrians and other vehicles, lane positions, and provides warnings or control inputs as needed. Combined with advanced image processing technology, it can identify road signs and traffic signals, and estimate pedestrian behavior. Compared to other sensors such as radar and LiDAR, ADAS cameras have the advantage of capturing detailed information about the color and shape of objects.

Uses of ADAS Camera

ADAS cameras are mounted on vehicles for the following purposes:

1. Collision Avoidance

The camera is used for safety checks to prevent collisions. It detects lane deviations and the distance to the vehicle in front. In the event of potential danger, it warns the driver and may activate emergency braking. In addition to compensating for driver oversight, the system can quickly recognize hazardous situations and reduce accident risks.

2. Parking Assistance

The system supports parking and driving in tight spaces. It uses images from the front, rear, and sides of the vehicle to accurately determine distances to obstacles and assist with optimal steering. A major advantage is its ability to help park more safely and smoothly, even in narrow spaces. With wide-angle cameras, it also checks areas that are typically blind spots to prevent unexpected collisions.

3. Advanced Driving Assistance

This system also supports more complex driving maneuvers. It is used for functions such as smooth highway merging and optimal lane positioning. It can also detect road signs and traffic signals, enabling more precise assistive driving through integration with other support functions.

What Is a Soda Filling Machine?

A soda filling machine is used to fill containers, such as plastic bottles, glass bottles, and cans, with carbonated water or carbonated beverages.

Liquids containing carbon dioxide have higher internal pressure than regular drinks, increasing the risk of gas leakage. Soda filling machines allow liquids to be filled into containers while precisely controlling the pressure balance between the liquid and the container. This pressure control ensures consistent quality and helps retain the carbonation’s refreshing sensation.

Since carbon dioxide escapes more easily at higher temperatures, some soda filling machines are equipped with temperature control functions to maintain optimal conditions during filling. To support hygiene, many machines feature structures and components designed for easy cleaning. These machines are often used in high-speed, high-volume production lines.

Uses of Soda Filling Machine

Soda filling machines are used in the following applications:

1. Soft Drinks

Soda filling machines are widely used in soft drink production lines. They accurately fill carbonated liquids into containers of various shapes and sizes, including bottles and cans. By controlling the pressure during filling, these machines reduce the risk of container deformation and excessive foaming, while preserving carbonation. They are essential in high-volume production, where efficiency and quality are critical.

2. Restaurants

Soda filling machines are also used in restaurants that develop original carbonated beverages. For restaurants bottling their own drinks in small batches, these machines help stabilize gas content and taste. This enables restaurants to create unique beverages that differentiate them from competitors.

3. Other Applications

Beyond beverages, soda filling machines may be used for other products that contain carbonation, such as certain condiments or energy drinks. The main advantage of these machines is their ability to fill products while maintaining gas volume and temperature, which is difficult to achieve with standard filling equipment.

What Is a Beer Canning Machine?

A beer canning machine is a device used to fill beer into cans.

Beer tends to lose flavor when exposed to air, so it is important to use a system that minimizes contact with outside air during the filling process. Beer canning machines retain carbon dioxide and reduce oxygen exposure. Additionally, a vacuum is created inside the can to eliminate excess air. These features help preserve the flavor and aroma of the beer for a long time.

The beer canning machine is also equipped with a cleaning solution circulation system to maintain hygiene. Due to the high risk of microbial contamination, thorough cleaning and sterilization are often required. These machines are widely used in both small breweries and large-scale production lines.

Uses of Beer Canning Machine

Beer canning machines are used in the following applications:

1. Large-Scale Brewing

Beer canning machines are used in the mass production of beer. Large-scale production lines require continuous filling of a high volume of cans. Automation is essential to achieve high-speed sealing and to maintain consistent quality by preventing oxygen contamination.

2. Small-Scale Breweries

Beer canning machines are also valuable for small breweries producing craft beer. They are ideal for filling small batches or testing new recipes. Facilities that combine brewing with food and beverage services also benefit from faster service times.

3. Other Carbonated Beverages

The technology is also applicable to other carbonated beverages. Gas management systems used in beer canning machines can be adapted for soft drinks and similar products. This versatility allows businesses to use the same equipment for different types of beverages while switching production lines efficiently.

What Is a Battery Case?

A battery case is a container holding the electrolyte in storage.

It plays a key role in storing electrical energy with electrode plates, separators, and other components. In rechargeable batteries such as lead-acid batteries and nickel-metal hydride batteries, chemical reactions caused by the electrolyte enable charge and discharge. The battery case prevents the electrolyte from leaking and protects it from shocks and temperature changes during use.

Materials that are resistant to deterioration from acidic or alkaline electrolytes are typically used. For example, polypropylene is often used in lead-acid batteries due to its excellent acid resistance. Battery cases are also designed with minimal joints to reduce the risk of damage. The interior includes partitions and reinforcement to regulate electrolyte flow and reduce vibration, ensuring stable battery performance.

Uses of Battery Case

Battery cases are used in the following applications:

1. Mobility

Battery cases are used in lead-acid batteries for automobiles, industrial vehicles, and ships. These batteries must provide a stable and continuous power supply for starting engines and powering lights. Since vehicles are subject to vibration and heat, battery cases must be strong and airtight to support long-term use.

2. Emergency Power Supply

Battery cases are also used in emergency power supplies in buildings and communication facilities. To provide stable power during outages, the case must be made from chemically stable materials and have an easy-to-maintain structure. A durable battery case protects the internal environment and improves equipment reliability.

3. Renewable Energy

Battery cases are used to store electricity generated from solar, wind, and other renewable energy sources. Because energy must be stored and supplied as needed, durability and safety are critical. Properly designed battery cases suppress deterioration from repeated charging and discharging, enabling efficient energy use. The choice of material and shape depends on the scale and environment, from residential systems to large-scale facilities.

What Is Non-Woven Tape?

Non-woven tape is a type of tape in which a nonwoven fabric is used as a base material and has adhesive coated on one or both sides.

It is widely used due to its flexibility, breathability, and adhesive properties. Key features of non-woven tape include its lightweight, ease of handling, and ability to conform to irregular or curved surfaces. This makes it ideal for applications requiring high adaptability. Additionally, nonwoven fabrics offer excellent air permeability and moisture absorption, making them suitable for medical use and applications where they come in direct contact with the skin. For instance, in the medical field, non-woven tape is used to secure bandages and dressings, ensuring firm adhesion while minimizing skin irritation.

In manufacturing and packaging, non-woven tape provides efficient bonding and fixing. Compared to paper or cloth-based tapes, its lightweight and flexible properties enhance work efficiency and help reduce material costs.

Uses of Non-Woven Tape

Non-woven tape is utilized in various fields, leveraging its flexibility, breathability, and adhesive qualities. Below are its primary applications categorized by industry.

1. Medical and Hygiene

Non-woven tape is commonly used in direct skin applications. In the medical field, it secures bandages, dressings, and instruments during surgical procedures. Its softness and breathability minimize skin irritation, making it ideal for sensitive skin and prolonged wear.

2. Construction and Industry

Non-woven tape is employed in construction and industrial manufacturing. It is used to secure waterproof sheets, and insulation materials, and as protective wrapping for piping. Its strong adhesion and durability make it suitable for various environments. It is also used for cable bundling and sheath repairs in electrical work. Its ability to adhere to rough surfaces enhances work efficiency at construction sites.

3. Household and Daily Necessities

Non-woven tape serves as a versatile tool in household applications. It is used to secure protective sheets on furniture, prevent carpets from slipping, and for minor repairs or temporary fixes. Its moderate adhesive strength allows for easy removal without damaging surfaces such as walls or furniture.

4. Packaging and Logistics

Non-woven tape is incorporated into packaging materials, particularly for products requiring breathability. It is useful for securing cardboard and paper products during transportation. Despite its lightweight nature, it offers strong adhesion, ensuring stability against vibrations and friction. Some types can be easily torn by hand, improving work efficiency.