月: 2023年3月

What Is Super Cleaner?

Super cleaner, a potent cleaning agent, effectively removes stains from diverse materials. Its versatility allows its use on materials ranging from metals to plastics. This cleaner effectively tackles various stains, including oil and watermarks.

Available in various forms like liquid, cream, or mousse, it caters to different cleaning needs. Both commercial and domestic versions are available, with the latter easily found in home centers.

Uses of Super Cleaners

Super cleaners are particularly useful in areas like kitchens, where grease stains are common due to cooking. They effectively remove stubborn, burnt-on oil stains that ordinary cleaners struggle with. In bathrooms, they tackle water and soap stains that form tenacious marks when combined with metal components in the water. Super cleaners can lift and remove even these challenging stains.

Principle of Super Cleaners

Super cleaners vary in liquid properties and mechanisms for stain removal, depending on their formulation:

• Acidic Super Cleaner: Contains acids like citric acid. They work through a neutralization reaction with basic stains, producing water-soluble salts that lift the stains.
• Neutral Super Cleaner: Contains surfactants that have both hydrophilic and hydrophobic groups. They encapsulate dirt in micelles, making it easier to wash away, and particularly effective for oil stains.

Both acidic and neutral types are sometimes diluted with water to adjust their concentration.

What Are Snap Ring Pliers?

Snap ring pliers are specialized tools designed for installing and removing C-shaped snap rings. These rings are used in machinery to secure components such as bearings. The pliers allow for easy manipulation of the snap ring by expanding or contracting it with minimal effort.

Uses of Snap Ring Pliers

These pliers are indispensable in industrial machinery maintenance, preventing bearing displacement, and ensuring secure assembly. Unlike improvised methods that risk damaging critical components, snap ring pliers provide a safe and efficient solution for handling snap rings of various sizes.

Principle of Snap Ring Pliers

Operating on the principle of leverage, snap ring pliers feature elongated grips that facilitate the attachment and detachment of snap rings by exerting minimal force. The design aims to ensure safety and precision, reducing the risk of snap ring ejection during use.

Types of Snap Ring Pliers

There are primarily two types of snap ring pliers: expanding for shafts and contracting for holes. They come in various sizes to accommodate different snap ring diameters and include features like safety stoppers for larger sizes.

How to Choose Snap Ring Pliers

Selection criteria include the snap ring size and the specific requirements of the task at hand. Options range from versatile pliers suitable for both shafts and holes to models with interchangeable tips for added flexibility. It’s crucial to choose pliers that match the application to ensure efficient and safe operation.

What Is a PC Power Supply?

PC power supplies are crucial computer components responsible for converting AC to DC power and ensuring a stable supply to a computer’s components. They play a key role in a system’s efficiency, performance, and safety, incorporating features for noise suppression and overcurrent protection.

Uses of PC Power Supplies

PC power supplies are vital across various personal computing needs, from notebooks to high-performance gaming PCs and servers. They influence the system’s performance and are selected based on the power requirements of each computer type.

Principle of PC Power Supplies

PC power supplies convert AC to DC power and feature a metal housing, a switching power circuit for conversion, a heat sink for cooling semiconductor devices, and one or two cooling fans to manage internal temperatures effectively.

Types of PC Power Supplies

There are various types of PC power supplies, including ATX for most desktop PCs, SFX for small form factor PCs, EPS for servers and high-performance workstations, external power adapters for notebooks, and redundant power supplies for critical server operations.

Other Information on PC Power Supplies

The 80PLUS certification denotes the energy efficiency of a PSU, with levels from Standard to Titanium indicating efficiency rates. Lifespan considerations highlight the importance of monitoring for signs of failure and the necessity for timely replacement to ensure continuous and safe operation.

What Is a Precision Screwdriver?

Precision screwdrivers are specialized tools used for tightening small screws. These screwdrivers come in various types, including the commonly known Phillips and flathead versions. There are also less common types with Y-shaped or star-shaped tips.

Precision screwdrivers are commonly used for tasks such as replacing batteries in electronic devices. While affordable sets are available in stores like 100 yen shops, for professional use, it’s recommended to choose higher-quality products for ease of use.

Uses of Precision Screwdrivers

Precision screwdrivers are often employed in precision equipment to tighten small screws. Small screws, which are used to fasten the enclosures of precision equipment and secure printed circuit boards inside the devices, necessitate the use of these specialized tools.

Aside from precision instruments, they are also used for devices like cameras and eyeglasses.

Principle of Precision Screwdrivers

The operating principle of a precision screwdriver is the same as that of a standard screwdriver. It is used to turn screws with a cross-shaped or flat-shaped groove on the head by fitting the appropriate tip shape of the screwdriver.

Since screws for precision screwdrivers are typically not designed for high axial force, the handles of these screwdrivers are thin, making it difficult to generate excessive tightening torque.

Other Information on Precision Screwdrivers

1. Material of Precision Screwdrivers

The tips of precision screwdrivers and other screwdrivers are commonly made of tool steel like S2 steel or chrome-vanadium-molybdenum steel (CVM tool steel). These materials are heat-treated for hardness and wear resistance, ensuring longevity, and many are coated for additional durability.

Since precision screwdrivers are used for relatively small loads compared to general-sized screwdrivers, considerations such as insulation and magnetism (“Does the screw stick to the magnetic tip?”) are important when selecting a screwdriver.

2. Sizes of Precision Screwdrivers

Precision screwdrivers come in various sizes to accommodate small screws. For crosshead screws, sizes are indicated by numbers like No.000, No.00, and No.0. Flathead screw sizes are denoted by the width of the groove, requiring careful selection to match the screw size.

3. Types of Crosshead Screws

There are several types of crosshead screws, including:

• Phillips Type: The most common type, named after its inventor.
• Posi-Drive Type: Commonly used in Europe.
• For Precision Instruments: Originally a standard in the Japanese camera industry, known as the S-shape.

What Is a Spray Adhesive?

Spray adhesives are used for bonding various materials, from paper and foam to textiles and metal, utilizing atomized liquid adhesive. These adhesives are chosen for their ease of application, providing uniform coverage and strong bonds. They are particularly beneficial in crafts, home repairs, industrial applications, and interior decorating, offering quick and efficient adhesion solutions.

Uses of Spray Adhesives

• Crafts and Hobbies: Ideal for art projects, model making, and scrapbooking.
• Home Repair: Useful for wallpaper and furniture repair.
• Industrial Applications: Essential in packaging, automotive, and aircraft interior assembly.
• Interior Decorating: Facilitates wallpaper and flooring applications.
• Textile Industry: Bonds fabrics in manufacturing processes.

Principle of Spray Adhesives

Spray adhesive dispensers atomize adhesive into fine droplets for even application, creating a thin film that bonds materials upon drying. This process enhances the adhesive’s effectiveness, offering uniform coverage and strong bonds between various surfaces.

Types of Spray Adhesives

• Multi-Purpose: Quick-drying, suitable for a broad range of materials.
• Foam: Expands to fill gaps, ideal for cushioning materials.
• Removable: Allows for easy removal, perfect for temporary applications.
• Strong: High adhesive strength for hard materials.
• Textile: Water and wash-resistant, designed for fabrics.
• Heat-Resistant: Maintains adhesion at high temperatures.

What Is an Adapter Cable?

Adapter cables are designed to transfer signals from input/output terminals for video, audio, data, etc., and connect them to other devices.

There are three types of adapter cables: one that converts only the connector type between transmitting and receiving devices, another that changes the content of the signals themselves, and a third that combines both functions.

Adapter cables function similarly to conversion connectors, which only convert signals or physical connectors, but include a cable to connect devices that are separated from each other.

Uses of Adapter Cables

Commonly used adapter cables include those with HDMI terminals for transmitting video, audio, and control signals, and USB terminals for data transfer when connected to PCs or peripheral devices. Adapter cables may be used between devices with different terminal shapes, such as HDMI terminals.

In addition to the above, adapter cables are also available for converting between different signal formats. These cables often bridge signals between devices with VGA or RCA terminals for analog video, DVI terminals for digital video, and DisplayPort terminals for digital video and audio. Adapter cables are available for configurations like HDMI to VGA, RCA, DVI, and DisplayPort.

In the case of USB terminals, which like HDMI have multiple shapes, adapter cables are used to convert the shapes of these terminals.

Principle of Adapter Cables

An overview of the HDMI and USB technical standards on which their respective adapter cables are based follows.

HDMI is a digital consumer electronics interface standard that transmits video, audio, and control signals, including device authentication, over a single cable. HDMI has various connector configurations and standards, classified from Type A to Type E. Type A, with 19 pins, is the standard size used in PCs, notebooks, and BD players.

Type C, or mini HDMI, also with 19 pins, is used in cameras and digital video cameras. Types D (micro-HDMI) and E (for in-vehicle equipment) are also available.

Similarly, USB has multiple standards. Type A is the standard size for PCs and notebooks. Type B, larger and almost square, is used in printers and scanners. Type C, reversible and increasingly used in smartphones and PCs, is expected to become more prevalent. Micro USB, a more compact version of Type A, is used in PCs and digital cameras.

What Is a Non-Slip Glove?

Non-slip gloves, designed to support grip while holding objects, are utilized across various sectors. These gloves are enhanced with a non-slip coating on their surface to ensure a firm grip, reducing the risk of accidents. Often made from cut-resistant materials, they provide additional protection against cuts and abrasions, thereby enhancing safety and work efficiency. While highly beneficial in wet and slippery conditions, it’s important to note that gloves made from heat-sensitive materials like rubber or cotton may not be suitable for handling hot items.

Uses of Non-Slip Gloves

Non-slip gloves are indispensable in environments where grip and hand protection are critical.

• Construction Sites: They ensure safe handling of materials and tools, particularly when working at heights or on scaffolding.
• Logistics: Essential for warehouse operations, aiding in safe loading, unloading, and material handling.
• Manufacturing Plants: Provide a secure grip on machinery and equipment, enhancing operational safety.
• Cleaning Tasks: Offer protection and grip on wet floors, making them ideal for cleaning personnel.

Principle of Non-Slip Gloves

The efficacy of non-slip gloves lies in their ability to increase friction between the hand and the object being held. Materials like rubber, latex, polyurethane, and nitrile are commonly used for their slip-resistant and protective qualities. Additionally, the gloves feature specific patterns and textures, such as protrusions, to further enhance grip and durability.

How to Select Non-Slip Gloves

Key considerations for selecting the right non-slip gloves include:

• Material: Choose from polyester, cotton, or nylon based on the task’s requirements and comfort preferences.
• Non-Slip Material: Options include rubber coating or silicone, each offering unique benefits like heat resistance or flexibility.
• Size: Proper fit is crucial to maximize the non-slip effect and ensure comfort during use.

What Is an Electronic Compass?

An electronic compass is a sensor-based directional tool that utilizes a magnetic sensor to determine orientation using the Earth’s magnetic field. Unlike traditional magnetic needle compasses, electronic compasses are less influenced by external magnetic fields, thus offering higher accuracy in direction measurement. These devices are designed to be stable against vibrations and movement, providing reliable orientation even at high speeds. Moreover, electronic compasses feature software for automatic magnetic field compensation, enhancing their usability without frequent manual adjustments.

Uses of Electronic Compasses

Electronic compasses find applications across a wide range of devices and activities, including integration in smartphones and tablets for mapping and navigation, car navigation systems for accurate route guidance, and navigation aids in ships and aircraft to maintain precise courses. They are also favored by outdoor enthusiasts for activities like hiking and mountain climbing, offering a durable and water-resistant solution for orientation in the wilderness.

Principle of Electronic Compasses

The operation of electronic compasses is grounded on detecting the Earth’s magnetic field to ascertain direction. They employ magnetic sensors, such as Hall effect sensors and magnetoresistive sensors, to measure the magnetic field’s strength and direction. By analyzing three-dimensional magnetic field data, electronic compasses calculate the device’s facing direction, offering a true north orientation based on the Earth’s geomagnetic field.

How to Select Electronic Compasses

Selection of an electronic compass should consider the intended use, required accuracy, and environmental durability. Whether for personal gadgets, outdoor adventures, or professional navigation in maritime and aviation sectors, choosing an electronic compass with suitable accuracy and durability ensures reliable performance across various applications and conditions.

What Is a Screw Plier?

A screw plier is a specialized tool designed for removing screws that are difficult to extract with a regular screwdriver. Developed from the basic design of pliers, screw pliers employ the principle of leverage to grip and turn objects with minimal effort. They are particularly useful for screws that are deformed, have damaged threads, are rusted, or have specialized head shapes that make them challenging to remove with conventional screwdrivers. By directly gripping the screw head, these pliers can effectively extract such problematic screws.

Various models of screw pliers are available in the market, featuring different sizes and tip shapes to accommodate various screw heads. An example of a well-known screw plier brand is Neji-Saurus.

Uses of Screw Pliers

Originally designed for turning bolts and nuts, screw pliers have evolved to include the function of removing difficult-to-extract screws. Their specially crafted tips allow for secure holding of even small screws. These pliers are ideal for removing screws with conditions like rust, damaged threads, or unique thread designs. The vertical groove on the tip of some models enables them to grip and turn screws in tight spaces where horizontal maneuvering is not possible.

Principle of Screw Pliers

Screw pliers leverage the principle of leverage, allowing for the secure gripping and turning of objects with minimal force. Their jaws are specially shaped and grooved to firmly hold small screws, preventing slippage during the turning process. Neji-Saurus, for instance, offers a range of pliers with varying tip shapes, groove depths, and sizes to suit different screw types.

When there is enough space to maneuver, the screw head is clamped between the jaws of the pliers and the tool is turned to generate greater torque with the same force, thanks to the increased distance from the fulcrum to the point of force application. However, screw pliers cannot be used for completely embedded screws, such as countersunk screws, as they require the ability to grip the head of the screw. For such cases, a different type of screw remover, like a bazooka, which has a distinct design from pliers, is used.

What Is a Scriber Gauge?

A scriber gauge is a precision tool used for marking or scribing lines on materials. It has a T-shaped appearance combined with a straight scale, similar to a caliper, allowing for easy drawing of parallel lines using the horizontal bar as a reference. Like calipers, it features main and secondary scales that are coaxial, enabling accurate distance measurement between lines.

Uses of Scriber Gauges

The primary use of a scriber gauge is for marking lines parallel to a reference line. The T-shaped horizontal bar of the gauge aids in accurately scribing parallel lines either by aligning with a reference line or hooking onto the object. Some models include a scale on the spindle tip, facilitating biaxial marking, which is especially useful for positioning holes on flat surfaces.

Another use is measuring distances between lines, traditionally done with a straightedge or vernier caliper. However, a scriber gauge offers the unique ability to measure by hooking onto an object, making it efficient for measurements from the edge of a flat plate or in fixed object scenarios.

Features of Scriber Gauge

The scriber gauge is specialized for measuring and marking parallel lines. Fixing the vernier scale allows for the formation of parallel lines of consistent width, reducing working time while maintaining accuracy. It’s important to note that scriber gauges are less suitable for objects without reference lines and can struggle with distorted or burred surfaces.

While similar to calipers in some respects, scriber gauges measure the outside dimensions and should not be confused with calipers, which measure internal dimensions. Height gauges, another alternative, offer high precision but are larger, require device fixing, and specialize in vertical measurements. In contrast, scriber gauges are portable and versatile, suitable for multi-axial direction measurements.