German ATORN tools ATORN models ATORN prices

ATORN 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 that use low-power electric motors or electromagnets as the power source to drive 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 usage 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.

ATORN tool types

1) Frame saw. Also known as a buck saw, it consists of an I-shaped wooden frame, twisted rope and toggle, saw blade, etc. The ends of the saw blade are fixed to the frame with knobs, which can also be used to adjust the blade angle. After tightening the twisted rope, the blade is tensioned and ready for use. Frame saws are classified into coarse, medium, and fine types based on blade length and tooth pitch. Coarse saw blades are 650—750mm long, with a tooth pitch of 4—5mm; coarse saws are mainly used for cutting thicker lumber. Medium saw blades are 550—650mm long, with a tooth pitch of 3—4mm; medium saws are mainly used for cutting thin lumber or cutting tenons. Fine saw blades are 450—500mm long, with a tooth pitch of 2—3mm; fine saws are mainly used for cutting finer wood and cutting tenon shoulders. 2) Knife saw. A knife saw mainly consists of a saw edge and a saw handle, and can be classified into single-sided, double-sided, and backed knife saws. Single-sided knife saws have a blade length of 350mm, with teeth on one side; depending on the function of the teeth, they can be divided into rip-cut and cross-cut types. Double-sided knife saws have a blade length of 300mm, with teeth on both sides; typically, one side is for rip-cutting and the other for cross-cutting. Backed knife saws have a blade plate length of 250—300mm; the back of the backed knife saw is reinforced with a steel strip, featuring finer teeth, and is available in rip-cut and cross-cut versions. 3) Groove saw. A groove saw consists of a handle and a saw blade, with the blade being approximately 200mm long. Groove saws are mainly used for cutting grooves in wood. 4) Panel saw. Also known as a hand saw, it consists of a handle and a saw blade, with the blade being approximately 250—750mm long and a tooth pitch of 3—4mm; panel saws are mainly used for cutting wider boards. 5) Keyhole saw. The blade is narrow and long, with a pointed tip, and a length of approximately 300—400mm. Keyhole saws are mainly used for cutting narrow holes and slots. 6) Coping saw. Also known as a fret saw, its construction is similar to that of a frame saw, but the blade is narrower (approximately 10mm), mainly used for cutting arcs, curves, and similar shapes. 7) Wire saw. Also known as a bow saw, it is made by bending a bamboo strip into a bow shape, with wire stretched between the ends; serrated edges are cut into the wire, using the sharp edges for cutting. The wire is approximately 200—600mm long, and the saw bow is 800—900mm long. Wire saws are mainly used for cutting complex curves and making openings.

ATORN tool usage

1) Select the appropriate saw blade for the workpiece; for example, use 14 teeth per inch for cutting solid or thick soft metals; use 18 teeth per inch for tool steel, iron pipes, and hard metals; and 24 teeth per inch is suitable for cutting sheet metal, metal pipes, and thin iron bars. 2) Push forward to cut, and lift slightly when pulling back. 3) Select a wrench of the appropriate size according to the nature of the work. 4) When using an adjustable wrench, apply force towards the fixed jaw, never towards the movable jaw. 5) If the wrench jaws are worn or slip during use, do not continue using them to prevent slipping. 6) Do not use a wrench as a hammer for striking. 5) Do not fit a pipe over the end of the wrench handle to increase torque. 7) Press the inner side of the first leg of the square against the edge of the board, and draw along the inner side of the second leg with a pencil to mark a perpendicular line. 8) Select the appropriate screwdriver according to the size and shape of the screw head slot. 9) Do not strike the screwdriver handle with a hammer; replace handles immediately if damaged. 10) Do not use a screwdriver as a chisel or lever. 11) Use an electrician's screwdriver for testing current; do not use a standard screwdriver to test high voltage. 12) Do not grind the screwdriver tip to avoid damaging the hardened surface. 13) Do not carry screwdrivers in shirt or trouser pockets to prevent injury from collisions or falls.

ATORN tool operation

1) Single-phase power cords for portable electric machinery and handheld power tools must use three-core flexible rubber cables, and three-phase power cords must use four-core rubber cables; when wiring, the cable sheath must 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 or neutral wire; intact cables or flexible 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 with 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 components 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 for electric tools should be within easy reach of the operator. During breaks, after work, or in case of sudden power outage, the power supply switch must be disconnected. 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 acidic environments, or inside metal containers, reliable insulation measures must be taken and a dedicated supervisor assigned. The power tool switch should be located within easy reach of the supervisor. 10) The magnetic chuck surface of magnetic base drills should be flat, clean, and rust-free; when performing side drilling or overhead drilling, measures must 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 securely positioned and the nut is properly tightened before starting.

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