German bernstein tools bernstein models bernstein prices

bernstein tools powered by electric motors or electromagnets, driving the working head through a transmission mechanism, are referred to as power tools. These are hand-held tools operated using low-power electric motors or electromagnets as the power source, driving the working head via a transmission mechanism. Power tools are categorized into handheld and portable types; handheld power tools offer greater flexibility, convenience, and wider application. Many varieties have become essential tools for production and daily life. With numerous power tool brands available, they are primarily classified by function and purpose into metal-cutting power tools, grinding power tools, assembly power tools, and railway power tools. Common power tools include electric drills, electric grinders, electric wrenches and electric screwdrivers, electric hammers and impact drills, concrete vibrators, and electric planers.

bernstein tool classification

1) Screwdriver: A tool used to turn screws to position them, typically featuring a thin wedge-shaped tip that inserts into the slot or recess of the screw head—also known as a "screwdriver bit." 2) Wrench: A manual tool with an open end or socket that utilizes leverage to turn bolts, screws, nuts, and other threaded fasteners. Wrenches typically have jaws at one or both ends of the handle to apply external force, allowing the bolt or nut to be turned. When in use, external force is applied to the handle in the direction of thread rotation to turn the bolt or nut. 3) Hammer: A tool used to strike objects to move or deform them. It is most commonly used to drive nails, correct shapes, or break apart objects. Hammers come in various forms; the common design consists of a handle and a head. One side of the head is flat for striking, while the other is the hammer head. The hammer head can be shaped like a claw for pulling nails, or wedge-shaped. There are also round-headed hammer heads. 4) Test pen: Also called a voltage tester pen, or simply "test pen." It is an electrical tool used to test whether wires are live. The pen body contains a neon bulb; if the bulb lights up during testing, it indicates the wire is live or is the live wire in a circuit. The tip and tail of the test pen are made of metal, while the pen shaft is made of insulating material. When using a test pen, you must touch the metal part at the tail end with your hand; otherwise, because the live object, test pen, human body, and ground do not form a circuit, the neon bulb will not light up, leading to a misjudgment that the live object is not electrified. 5) Tape measure: A common measuring tool in daily life. Steel tape measures are frequently seen, commonly used in construction and decoration, and are also a household essential. Types include fiber tape measures, leather tape measures, and waist tape measures. Lu Ban rulers, Feng Shui rulers, and Wen Gong rulers also belong to the category of steel tape measures. 6) Utility knife: A type of knife with a sharp blade used for cutting wallpaper and similar materials, hence the name "wallpaper knife," also known as a "craft knife." It is frequently used in renovation, decoration, and signage industries. 7) Electrician's knife: A cutting tool commonly used by electricians. Standard electrician's knives consist of a blade, cutting edge, handle, and blade lock. When not in use, the blade retracts into the handle. The base of the blade is hinged to the handle, featuring scale lines and markings. The front end forms a screwdriver tip, both sides have file surfaces, and the cutting edge has an inwardly curved blade section ending in a point. The handle includes a protection button to prevent the blade from snapping back. The electrician's knife blade integrates multiple functions, allowing various wire connection operations to be completed with just one tool, eliminating the need to carry other tools. It offers benefits such as simple structure, ease of use, and multifunctionality. 8) Hacksaw: Includes hand saws (for household and woodworking use), pruning saws (for branch trimming), folding saws (for branch trimming), bow saws, coping saws (for woodworking), rip saws (for woodworking), and crosscut saws (for woodworking). 9) Spirit level: A spirit level contains a bubble vial and can be used to inspect, measure, and debug whether equipment is installed level. 10) Wire cutters: Wire cutters are clamping and cutting tools composed of a head and handles. The head includes jaws, teeth, cutting edges, and shearing edges. The functions of the various parts of the pliers are: (1) The teeth can be used to tighten or loosen nuts; (2) The cutting edges can be used to strip the rubber or plastic insulation from soft wires, and also to cut wires and iron wires; (3) The shearing edges can be used to cut harder metal wires such as electrical wires and steel wires; (4) The insulating plastic sleeves on the pliers have a voltage resistance of 500V or higher, allowing live wire cutting. 11) Needle-nose pliers: Also called long-nose pliers, primarily used to cut fine single-strand and multi-strand wires, bend loops on single-strand wire connectors, and strip plastic insulation. They are also one of the common tools for electricians (especially internal wiring electricians). They consist of a pointed tip, cutting edges, and handles. The handles of electrician's needle-nose pliers are covered with insulating sleeves rated for 500V. Due to their pointed tips, needle-nose pliers are suitable for operations in narrow spaces. The method for bending wire connectors with needle-nose pliers is: first fold the wire end to the left, then bend it clockwise to the right tightly against the screw. 12) Wire strippers: Wire strippers are one of the common tools for internal wiring electricians, motor repair technicians, and instrument electricians. Their appearance is shown in the figure below. They consist of cutting edges, wire crimping slots, and handles. The handles of wire strippers are covered with insulating sleeves rated for a working voltage of 500V. Wire strippers are suitable for stripping the insulation from plastic and rubber insulated wires and cable cores. To use: place the wire end to be stripped into the blade slot of the head, squeeze the two handles together with your hand, then release, and the insulation will separate from the core wire.

bernstein tool maintenance

1) Correct air supply system: The intake pressure at the tool inlet (not the air compressor outlet pressure) is generally 90PSIG (6.2Kg/cm^2). Pressure that is too high or too low will damage the tool's performance and lifespan. The intake air must contain sufficient lubricating oil to ensure the pneumatic motor inside the tool is adequately lubricated (place a white paper at the tool exhaust to check for oil stains; the presence of oil stains is normal). The intake air must be free of moisture; using compressed air without an air dryer is inappropriate. 2) Do not arbitrarily disassemble tool parts before operation, as this affects operator safety and may cause tool damage. 3) If the tool has minor faults or fails to achieve its original function after use, do not continue using it; inspect it immediately. 4) Regularly (approximately once a week) inspect and maintain the tool, adding grease (Grease) to rotating parts such as bearings, and adding oil (Oil) to the pneumatic motor parts. 5) When using various tools, strictly adhere to all safety regulations and operating instructions. 6) Select appropriate tools for the job; tools that are too large can easily cause work injuries, while tools that are too small can easily lead to tool damage.

bernstein tool usage

1) Carefully inspect before use: ensure there is no external damage, the switch operates flexibly without sticking, and the power cord and tool housing are intact. Use a 500V megohmmeter to measure the insulation resistance between the winding and the housing; the value must not be lower than O.5 megohms. See the attached table for insulation resistance values. 2) Handheld power tools with metal housings must have a reliable protective grounding wire. The power cord is a multi-core soft rubber sheathed cable, and the grounding protective wire must be securely connected at both ends. 3) Handheld power tools should be used by dedicated personnel with professional knowledge. Strictly observe relevant safety operating procedures during use. 4) Before use, check whether the related electrical and mechanical protection devices are intact and functioning normally. Also ensure that rotating parts rotate flexibly without sticking. 5) When using Class I handheld power tools, users must wear prescribed protective equipment and set up qualified protective gear. Take corresponding anti-electric shock safety measures as required, such as installing residual current devices (RCDs) in the power circuit, or having the user wear insulating gloves, insulating shoes, or stand on an insulating mat. When using Class II handheld power tools in damp and narrow spaces, install a leakage switch with a working current of less than 1.5mA and an action time of less than or equal to 0.1 seconds. The leakage switch should be placed inside the container and supervised by dedicated personnel. 6) Occupational hazards of using handheld power tools. Arm vibration disease caused by long-term exposure to hand-transmitted vibration was listed as one of China's statutory occupational diseases as early as 1957, also known as local vibration disease, typically manifesting as episodic white finger.

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