German TECNO tools TECNO models TECNO prices

TECNO tools refer to electrical safety tools, which are various specialized tools and devices designed to prevent accidents such as electric shock, burns, falls, and stumbling, thereby ensuring the personal safety of workers. In power systems, to successfully complete tasks without causing personal injury, operators must carry and use various safety tools. For example, electrical safety tools are required when inspecting operating electrical equipment, changing operating modes, or performing maintenance and tests; climbing safety tools are needed during line construction; when working on live electrical equipment or in areas near live equipment, insulated safety tools must be used to prevent electric shock or arc burns. Electrical safety tools can be categorized into four types: personal protective equipment, insulated safety tools, climbing tools, and warning signs.

TECNO tool principles

The principle of hydraulics involves two 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 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 through 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.

TECNO tool selection guide

1) Distinguish between household and professional use based on needs. Most power tools are designed for professionals, so differentiate between professional and general household tools during selection. Typically, the difference lies in power rating; professional tools have higher power to reduce workload for experts, while household tools handle smaller projects with less workload, requiring lower input power. 2) The outer packaging should have clear patterns, no damage, a sturdy plastic case, and durable latches. 3) The tool's appearance should have uniform color, with no visible flow marks or dents on plastic surfaces, no scratches or impact marks, assembly misalignment between housing parts ≤0.5mm, smooth and intact coating on aluminum castings, and no oil or stains on the entire surface. The switch handle should be flat when held. The cable length should generally be no less than 2 meters. 4) The nameplate parameters must match those on the CCC certificate. The manual must include the manufacturer's and production plant's detailed address and contact information. The nameplate or certificate must include a traceable batch number. 5) Hold the tool, connect to power, and frequently operate the switch to start the tool repeatedly. Observe if the switch's on/off function is reliable. Simultaneously check for abnormalities in nearby TVs or fluorescent lights to confirm the presence of an effective radio interference suppressor. 6) Run the tool for one minute. While holding it, there should be no noticeable abnormal vibration. Observe commutation sparks; they should not exceed level 3/2. Generally, looking into the air inlet, there should be no obvious arcing on the commutator surface. There should be no abnormal noise during operation.

TECNO tool types and features

Hydraulic tools include: hydraulic wrenches, dedicated electric pumps for hydraulic wrenches, hydraulic jacks, hydraulic bolt tensioners, hydraulic flange spreaders, hydraulic nut splitters, hydraulic pullers, etc. Hydraulic tools offer high efficiency and convenience. 1) They typically use mineral oil as the working medium, allowing self-lubrication of moving surfaces and resulting in long service life. 2) Lightweight, compact, low motion inertia, and fast response speed. 3) Various hydraulic transmission components can be arranged conveniently and flexibly as needed. 4) Automatic overload protection is achievable. 5) Easy operation and control, enabling wide-range stepless speed regulation (speed regulation range up to 2000:1). 6) Linear motion is easily achieved. 7) Machine automation is easily realized; when using electro-hydraulic combined control, not only can a higher degree of automatic control be achieved, but remote control is also possible.

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