Germany DR.KAISER tools DR.KAISER models DR.KAISER prices

DR.KAISER tools refer to electrical safety tools, which are various specialized tools and devices used to prevent accidents such as electric shock, burns, falls, and slips, ensuring the personal safety of workers. In power systems, to successfully complete tasks without personal injury, operators must carry and use various safety tools. For example, electrical safety tools are required when inspecting operating electrical equipment, changing operating modes, or performing maintenance and tests; climbing safety tools are needed during line construction; when working on live electrical equipment or in areas near live equipment, insulated safety tools must be used to prevent electric shock or arc burns. Electrical safety tools can be divided into four categories: personal protective equipment, insulated safety tools, climbing tools, and warning signs.

DR.KAISER tool classification

1) Screwdriver: A tool used to turn screws to position them, typically with a thin wedge-shaped head that can be inserted into the slot or recess of the screw head—also known as a "screwdriver." 2) Wrench: A hand tool with an open end or socket that uses the lever principle to turn bolts, screws, nuts, and other threaded fasteners. Wrenches usually have jaws at one or both ends of the handle to apply external force; applying force to the handle allows turning the bolt or nut. Apply external force along the direction of thread rotation to turn the bolt or nut. 3) Hammer: A tool used to strike objects to move or deform them. Most commonly used for driving nails, correcting, or splitting objects. Hammers come in various forms; the common form 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 hammers. 4) Test pen: Also called a voltage tester, abbreviated as "electric pen." It is an electrician's tool used to test whether wires are live. The pen body contains a neon bulb; if the neon bulb lights up during testing, it indicates that the wire is live or is the live wire of 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 earth do not form a circuit, the neon bulb in the test pen will not light up, leading to a misjudgment that the live object is not energized. 5) Tape measure: A commonly used measuring tool in daily life. Steel tape measures are frequently seen, commonly used in construction and decoration, and are essential household tools. They are divided into fiber tape measures, leather tapes, waist tapes, etc. Luban rulers, Feng Shui rulers, and Wen Gong rulers also belong to 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." Frequently used in renovation, decoration, and billboard industries. 7) Electrician's knife: A cutting tool commonly used by electricians. Ordinary electrician's knives consist of a blade, cutting edge, handle, and sheath. When not in use, retract the blade into the handle. The root 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, the cutting edge has an inwardly curved blade section ending in a point, and the handle has 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 knife, eliminating the need for other tools, offering benefits such as simple structure, ease of use, and versatility. 8) Hacksaw: Includes hand saws (household, woodworking), pruning saws (branch trimming), folding saws (branch trimming), bow saws, veneer saws (woodworking), rip saws (woodworking), and crosscut saws (woodworking). 9) Spirit level: A spirit level contains a bubble vial and can be used to inspect, measure, and debug whether equipment is installed horizontally. 10) Wire cutters: Wire cutters are clamping and cutting tools composed of a head and handles. The head includes jaws, teeth, cutting edges, and shear blades. 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 shear blades 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, mainly used for cutting thin single-strand and multi-strand wires, bending loops for single-strand wire connectors, and stripping plastic insulation. They are also commonly used by electricians (especially indoor electricians). They consist of pointed tips, cutting edges, and handles. The handles of electrician's needle-nose pliers are covered with insulating sleeves rated for 500V. Due to their pointed heads, they are suitable for operations in narrow spaces. To bend wire connectors with needle-nose pliers: first fold the wire end to the left, then bend it clockwise to the right against the screw. 12) Wire strippers: Wire strippers are commonly used tools for indoor electricians, motor repair technicians, and instrument electricians, as 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. Usage method: Place the wire end to be stripped into the cutting edge of the plier head, squeeze the two handles together with your hand, then release, and the insulation will separate from the core wire.

DR.KAISER tool structure and composition

The function of power components is to convert the mechanical energy of the prime mover into hydraulic pressure energy. This refers to the oil pump in the hydraulic system, which provides power to the entire hydraulic system. The structural forms of hydraulic pumps generally include gear pumps, vane pumps, and piston pumps. Actuators (such as hydraulic cylinders and hydraulic motors) convert hydraulic pressure energy into mechanical energy, driving loads to perform linear reciprocating motion or rotary motion. Control components (i.e., various hydraulic valves) control and regulate the pressure, flow, and direction of the fluid in the hydraulic system. Depending on the control function, hydraulic valves can be divided into pressure control valves, flow control valves, and directional control valves. Pressure control valves are further divided into relief valves (safety valves), reducing valves, sequence valves, pressure relays, etc.; flow control valves include throttle valves, adjustment valves, and flow divider/combiner valves; directional control valves include check valves, pilot-operated check valves, shuttle valves, and directional valves. Depending on the control method, hydraulic valves can be divided into on/off control valves, fixed-value control valves, and proportional control valves. Auxiliary components include oil tanks, oil filters, oil pipes and pipe fittings, sealing rings, pressure gauges, and oil level/temperature gauges. Hydraulic oil is the working medium that transmits energy in hydraulic systems, including various mineral oils, emulsions, and synthetic hydraulic oils.

DR.KAISER tool operation

1) The single-phase power cord for mobile electric machinery and handheld power tools must use three-core soft rubber cable, and the three-phase power cord must use four-core rubber cable; when wiring, the cable sheath should pass into the equipment's junction box and be secured. 2) Before using power tools, check the following items: no cracks or damage to the housing or handle; correct and secure connection of the protective ground wire or neutral wire; intact cable or flexible cord; intact plug; normal, flexible, and undamaged switch operation; intact electrical protection devices; intact mechanical guards; and flexible rotating parts. 3) The insulation resistance of power tools should be measured regularly using a megohmmeter of 500V; if the insulation resistance between live parts and the housing is less than 2M Ω, maintenance must be performed. 4) After repairing the electrical parts of power tools, insulation resistance measurement and dielectric strength tests must be conducted; the test voltage is 380V, and the test duration is 1 minutes. 5) Electrical circuits connecting electric machinery and tools should have separate switches or sockets, and residual current devices (RCDs) should be installed; metal housings must be grounded; connecting multiple devices to a single switch is strictly prohibited. 6) The rated residual operating current of current-type RCDs must not exceed 30mA, and the operating time must not exceed 0.1 seconds; the rated residual operating voltage of voltage-type RCDs must not exceed 36V. 7) The operating switch of electric tools should be within easy reach of the operator. When resting, leaving work, or in case of sudden power outage during work, the power supply switch should be turned off. 8) When using portable or mobile power tools, wear insulating gloves or stand on an insulating mat; when moving tools, do not carry them by the cord or rotating parts. 9) When using Class III insulated power tools in damp or acid-containing environments, or inside metal containers, reliable insulation measures must be taken, and a dedicated supervisor must be present. The power tool switch should be located within easy reach of the supervisor. 10) The magnetic surface of magnetic base drills should be flat, clean, and rust-free; when performing side drilling or overhead drilling, measures should be taken to prevent the drill body from falling in case of power loss. 11) When using electric wrenches, ensure the reaction torque support is firmly secured and the nut is properly tightened before starting.

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