German CAROLUS tools CAROLUS models CAROLUS prices

CAROLUS tools powered by electric motors or electromagnets, driving the working head through a transmission mechanism, are referred to as power tools. They are hand-held operating tools that use low-power electric motors or electromagnets as the power source to drive the working head via a transmission mechanism. Power tools are divided into handheld and portable types; handheld power tools are more flexible, convenient, and widely used. Many varieties have become essential tools for production and daily life. There are numerous power tool brands. According to their functions and applications, they are mainly classified 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.

CAROLUS tool classification

1) Screwdriver: A tool used to turn screws to force them into position, typically featuring a thin wedge-shaped tip that can be inserted into the slot or recess of the screw head—also known as a "screwdriver". 2) Wrench: A manual tool with an open end or box end 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, allowing the bolt or nut to be turned. When in use, applying external force to the handle along the direction of thread rotation turns 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; a common form consists of a handle and a head. One side of the head is flat for striking, while the other side is the hammer head. The shape of the hammer head can be like a claw (for pulling out nails) or wedge-shaped. There are also round-headed hammer heads. 4) Test pen: Also called a voltage tester pen, abbreviated as "electric pen". It is an electrical 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 charged object, test pen, human body, and earth do not form a closed loop, the neon bulb in the test pen will not light up, leading to a misjudgment that the charged object is not live. 5) Tape measure: A tape measure is a commonly used measuring tool in daily life. Steel tape measures are frequently seen, commonly used in construction and decoration, and are also one of the essential household tools. They are divided into fiber tape measures, leather tape measures, waist tape measures, etc. Luban 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 signboard industries. 7) Electrician's knife: An electrician's knife is a cutting tool commonly used by electricians. Ordinary electrician's knives consist of a blade, cutting edge, handle, and sheath. When not in use, the blade retracts into the handle. The root of the blade is hinged to the handle, which features scale lines and markings. The front end forms a screwdriver tip, both sides have file surfaces, and the cutting edge has a concave curved blade section ending in a point. The handle is equipped with a protection button to prevent the blade from snapping back. The blade of the electrician's knife 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, veneer 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 horizontally. 10) Wire cutters: Wire cutters are clamping and cutting tools composed of a head and handles. The head includes jaws, serrated grips, cutting edges, and wire cutting blades. The functions of the various parts of the pliers are: (1)) The serrated grips 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 can also be used to cut wires and iron wires; (3)) The wire cutting 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 when used. 11) Needle-nose pliers: Also called long-nose pliers, they are mainly used to cut thin single-strand and multi-strand wires, bend loops on single-strand wire connectors, and strip plastic insulation. They are also one of the commonly used tools for electricians (especially indoor 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 against the screw. 12) Wire strippers: Wire strippers are one of the commonly used tools for indoor 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. The usage method is: place the wire end to be stripped into the cutting slot of the head, squeeze the two handles together with your hand, and then release; the insulation will separate from the core wire.

CAROLUS tool structural composition

The cross-sectional shape and distribution of the pole cores vary depending on the workpiece. Common structural types of electromagnetic chucks include rectangular and circular configurations. Rectangular magnetic poles are arranged either longitudinally or transversely. Longitudinal arrangement of rectangular magnetic poles is suitable for securing larger workpieces, while transverse arrangement is suitable for securing smaller workpieces. Circular chucks are suitable for securing ring-shaped workpieces or workpieces with complex geometries. The main characteristics of standard electromagnetic chucks are: magnetic flux lines are evenly distributed across the chuck surface, magnetic attraction cannot be concentrated, and the magnetic force per unit area is relatively low; the direction of the magnetic force is perpendicular to the chuck surface and difficult to alter, generating only one type of magnetic force for workpieces with the same contact area; the point of application of the magnetic force on the workpiece is limited to the contact surface between the workpiece and the chuck and cannot be freely adjusted. Therefore, disadvantages during machining include low positioning accuracy, insufficient clamping force, narrow scope of application, and low production efficiency.

CAROLUS tool operation

1) The single-phase power cords for portable electric machinery and handheld power tools must use three-core soft rubber cables, and three-phase power cords must use four-core rubber cables; when wiring, the cable sheath should pass into the junction box of the equipment and be secured. 2) Before using power tools, the following items should be checked: no cracks or damage to the housing and handles; correct and secure connection of protective grounding or neutral wires; intact cables or soft cords; intact plugs; normal, flexible, and undamaged switches; 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 value between live parts and the housing does not reach 2M Ω, maintenance must be performed. 4) After repairing the electrical parts of power tools, insulation resistance measurement and dielectric withstand voltage 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 operated protective devices (RCDs) should be installed; metal housings must be grounded; it is strictly prohibited to connect multiple devices to a single switch. 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 placed 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 disconnected. 8) When using portable or mobile power tools, insulated gloves must be worn, or the user must stand on an insulating mat; when moving tools, do not lift them by the power 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 assigned. The switch of the power tool should be located within easy reach of the supervisor. 10) The magnetic disk surface of magnetic chuck 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 an electric wrench, ensure the reaction torque support is firmly positioned and the nut is securely tightened before starting.

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