German DIASWISS tools DIASWISS model DIASWISS price

DIASWISS 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 operational tools that use low-power electric motors or electromagnets as power sources to drive the working head via a transmission mechanism. Power tools are divided 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. There are numerous power tool brands. Based on function and purpose, they are mainly categorized 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.

DIASWISS tool description

Lifting tools vary in purpose and construction but all feature a hoisting mechanism to achieve basic lifting and lowering actions. Materials can be lifted or lowered using flexible components such as wire ropes or lifting chains, or raised using rigid components such as screws. Lifting tools are classified by structure into light small-scale lifting equipment, hoists, and overhead monorail systems. Light small-scale lifting equipment mainly includes lifting pulleys, rigging, jacks, triangular chain blocks, electric hoists, and standard winches. Most are compact, lightweight, and simple to use. Except for electric hoists, most are manually driven and suitable for less demanding tasks. They can be used individually or in combination. Some light small-scale lifting equipment has significant lifting capacity; for example, hydraulic jacks have reached lifting capacities of 750 tons. Mine hoists and bucket elevators primarily perform vertical or near-vertical lifting movements along fixed paths. Overhead monorail systems utilize routes formed by rigid suspended rails, enabling material transport to various parts of a workshop and extending outside the facility.

DIASWISS tool parameters

The primary performance parameters characterizing the basic working capability of lifting tools are lifting capacity and work class. (1) Lifting capacity refers to the maximum weight of the load allowed to be lifted under specified working conditions, i.e., the rated lifting capacity. If equipped with a permanent magnetic chuck (see permanent magnet lifter), the lifting capacity must also include the weight of the magnetic chuck. (2) Work class is a performance parameter reflecting the overall operating status of the lifting tool and serves as an important basis for design and selection. It is determined by the total number of work cycles required during the intended service period and the load state. For lifting tools with strong regularity and high repetition in operation procedures, such as electric hoists for loading and unloading ship cargo at docks, chain blocks for high-bay warehouses, and bucket elevators for supplying blast furnaces, the work cycle is also an important parameter. The work cycle refers to the time required to complete one work cycle, which depends on the mechanism's operating speed and is related to the handling distance. Productivity is sometimes used as an important parameter for the aforementioned lifting tools, typically expressed as the lifting volume completed per hour. In current usage, efficiency is the priority, followed by appearance and quality.

DIASWISS tool operation

1) 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; during wiring, the cable sheath must penetrate into the equipment's junction box and be secured. 2) Before using power tools, check the following: no cracks or damage to the housing or handle; correct and secure connection of protective grounding or neutral wires; intact cables or flexible cords; intact plugs; 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 is required. 4) After repairing the electrical parts of power tools, insulation resistance measurement and dielectric strength tests must be performed. The test voltage is 380V, and the test duration is 1 minutes. 5) Electrical circuits connecting electric machinery and tools must have separate switches or sockets and be equipped with residual current operated protective devices; metal housings must be grounded; connecting multiple devices to a single switch is strictly prohibited. 6) The rated residual operating current of current-type residual current operated protective devices must not exceed 30mA, and the operating time must not exceed 0.1 seconds; the rated residual operating voltage of voltage-type residual current operated protective devices must not exceed 36V. 7) Operating switches for motorized tools should be placed within easy reach of the operator. During breaks, after work, or in case of sudden power failure, 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 lift by the cord or the 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 assigned. The power tool switch should be located within easy reach of the supervisor. 10) The disk surface of magnetic chuck 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 firmly positioned and the nut is securely tightened before starting.

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