German RICHTER tools RICHTER models RICHTER prices

RICHTER 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. Based on function and application, 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.

RICHTER tool description

Lifting tools vary in purpose and construction, but all feature a hoisting mechanism to perform the basic lifting motion. Materials can be lifted and lowered while suspended from flexible components such as wire ropes or lifting chains, or raised by screws or other rigid components. 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, slings, 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 high lifting capacity; for example, hydraulic jacks have reached a lifting capacity of 750 tons. Mine hoists and bucket elevators primarily perform vertical or near-vertical lifting movements along fixed paths. Overhead monorail systems feature routes formed by rigid suspension rails, enabling material transport to various parts of a workshop and extending outside the workshop.

RICHTER 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 magnet lifter (see permanent magnet lifters), the lifting capacity must also include the weight of the permanent magnet lifter. (2) Work class is a performance parameter reflecting the overall working 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 highly regular and repetitive operation programs, such as electric hoists for loading and unloading ships 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. For the aforementioned lifting tools, productivity is sometimes used as an important parameter, typically expressed as the lifting volume completed per hour. In current usage, efficiency is the priority, followed by appearance and quality.

RICHTER 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 the protective grounding 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 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 individual 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 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 protective devices must not exceed 36V. 7) The operating switch of electric motor-driven tools should be positioned within easy reach of the operator. During breaks, after work, or in case of sudden power outage during operation, 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 the tool, do not carry it 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 assigned. The power tool switch must be located within easy reach of the supervisor. 10) The magnetic disk surface of magnetic chuck drills must 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 secured and the nut is properly tightened before starting.

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