German PH HORN tools, PH HORN models, PH HORN prices

PH HORN tools utilize electromagnetic technologies such as permanent magnets to assist in mechanical manufacturing processes. They can be classified into magnetic fixtures, magnetic tools, magnetic molds, and magnetic auxiliary devices. The use of magnetic tools can significantly improve production efficiency and reduce the physical workload of employees. For some workpieces, clamping is inconvenient during machining and assembly due to their structural characteristics. By vertically positioning the U-shaped iron core on the worktable for processing, one only needs to embed a magnet in the locating block of the fixture to firmly hold the workpiece on the worktable equipped with the locating block, ensuring accurate positioning. This greatly simplifies the fixture structure and improves work efficiency. Some products require welding small parts onto the workpiece; if accurate positioning is not achieved, it not only makes the work difficult but also fails to meet requirements.

PH HORN tool principles

The principle of hydraulics consists of two hydraulic cylinders of different sizes filled with water or oil. Water-filled systems are called 'water presses'; oil-filled systems are called 'oil presses'. Each cylinder contains a sliding piston. If a specific pressure is applied to the small piston, according to Pascal's law, the small piston transmits this pressure through the fluid pressure to the large piston, lifting it. Let the cross-sectional area of the small piston be S1, and the downward force applied to the small piston be F1. Thus, the pressure exerted by the small piston on the fluid is P=F1/SI, which is transmitted unchanged in all directions by the fluid. The pressure received by the large piston must also equal P. If the cross-sectional area of the large piston is S2, the upward force F2=PxS2 generated by the pressure P on the large piston is a multiple of the small piston's cross-sectional area. From the above equation, applying a small force to the small piston results in a large force on the large piston. Therefore, hydraulic presses are used for pressing plywood, extracting oil, lifting heavy objects, and forging steel.

PH HORN tool parameters

The primary performance parameters characterizing the basic working capability of lifting tools are lifting capacity and working 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. Generally, those equipped with permanent magnetic chucks (see permanent magnetic lifters) must include the weight of the permanent magnetic chuck in the lifting capacity. (2) Working class is a performance parameter reflecting the overall working status of the lifting tool and is an important basis for designing and selecting lifting tools. It is determined by the total number of work cycles required to be completed during the required service period and the load state. For lifting tools with strong regularity and high repeatability in operation procedures, such as electric hoists for loading and unloading ship cargo at docks, chain hoists for high-bay warehouses, and hopper lifts 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 operating speed of the mechanism and is related to the handling distance. The aforementioned lifting tools sometimes also use productivity as an important parameter, usually expressed as the lifting volume completed per hour. In current usage, efficiency is the priority, followed by appearance and quality.

PH HORN tool operation

1) The single-phase power cord for portable electric machinery and hand-held electric tools must use a three-core soft rubber cable, and the three-phase power cord must use a four-core rubber cable; during wiring, the cable sheath shall pass into the equipment's junction box and be secured. 2) Before using electric tools, check the following items: no cracks or damage to the housing and handle; correct and secure connection of the protective grounding 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 electric 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 parts of electric 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 shall have individual switches or sockets and be equipped with residual current operated protective devices; the metal housing shall 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 shall not exceed 30mA, and the operating time shall not exceed 0.1 seconds; the rated residual operating voltage of voltage-type residual current operated protective devices shall not exceed 36V. 7) The operating switch of electric motor-driven tools shall be placed within easy reach of the operator. During breaks, after work, or in case of sudden power outage during work, the power supply side switch shall be disconnected. 8) When using portable or mobile electric tools, wear insulating gloves or stand on an insulating mat; when moving the tool, do not lift it by the power cord or the rotating parts. 9) When using Class III insulated electric tools in damp or acid-containing environments and inside metal containers, reliable insulation measures must be taken and a dedicated supervisor assigned. The switch of the electric tool shall be located within easy reach of the supervisor. 10) The surface of the magnetic chuck of a magnetic drill shall be flat, clean, and rust-free. When performing side drilling or overhead drilling, measures shall 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 seated and the nut is securely tightened before starting.

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