German efco dueren tools efco dueren models efco dueren prices

efco dueren tools are made of copper alloy. Due to the good thermal conductivity of copper and its characteristic of being almost carbon-free, the heat generated in a short time when the tool rubs against or impacts an object is absorbed and conducted. Another reason is that copper itself is relatively soft, providing good compliance during friction and impact, making it difficult to produce tiny metal particles. As a result, we hardly see any sparks, so explosion-proof tools are also called non-sparking tools. The material of explosion-proof tools is based on beryllium bronze and aluminum bronze. Beryllium copper alloys and aluminum copper alloys do not spark upon impact or friction, making them very suitable for manufacturing safety tools used in explosive, flammable, strong magnetic, and corrosive environments. BeA-20C alloy can withstand an impact energy of 561IJ in hydrogen containing 30% or in methane-air-oxygen mixtures containing 6.5-10%, without sparking or igniting after 20 impacts.

efco dueren tool principles

The principle of hydraulics consists of 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 certain 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 can be transmitted unchanged by the liquid in all directions. 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 formula, applying a smaller force on the small piston results in a larger force on the large piston. Therefore, hydraulic presses are used for pressing plywood, extracting oil, lifting heavy objects, forging steel, etc.

efco dueren tool maintenance

1) Correct air supply system: The intake pressure at the tool inlet (not the compressor outlet pressure) is generally 90PSIG (6.2Kg/cm^2). Too high or too low pressure will damage the tool's performance and lifespan. The intake air must contain sufficient lubricating oil to ensure adequate lubrication of the pneumatic motor inside the tool (place a white paper at the tool exhaust to check for oil stains; normal operation shows oil stains). The intake air must be free of moisture; using compressed air without an air dryer is inappropriate. 2) Do not arbitrarily disassemble tool parts before operation, as this affects operator safety and may cause tool damage. 3) If the tool has slight faults or fails to achieve its original function after use, do not continue using it; inspect it immediately. 4) Regularly (about once a week) inspect and maintain the tool, adding grease (Grease) to rotating parts such as bearings, and adding oil (Oil) to the pneumatic motor parts. 5) When using various tools, strictly follow all safety regulations and operating instructions. 6) Select appropriate tools for the job; tools that are too large can easily cause work injuries, while tools that are too small can easily lead to tool damage.

efco dueren tool usage

1) Explosion-proof tools provide safety assurance for workers in flammable, explosive, and corrosive workplaces, enhancing social safety and allowing staff to work with greater peace of mind. After daily use, explosion-proof tools should undergo proper maintenance, which is crucial for their lifespan. Improper maintenance may prevent the tools from serving us for a long time. First, store the tools in a dry place to protect working components from damage. In daily work, after continuous striking 20 times, treat the surface attachments of the tool, wipe it clean before reuse, and avoid continuous use to prevent overheating due to prolonged friction, which could damage the tool product. 2) After use, wipe off surface dirt and deposits, and store in a dry, safe place. 3) For striking tools, do not strike continuously; allow appropriate intervals after ten strikes, and promptly remove debris adhering to the product before continuing use. 4) Wrench products must not be used with excessive force. Do not use sleeves or bind other metal rods to extend the lever arm, nor use a hammer to tighten fasteners (except for striking wrenches). 5) Cutting edge tools should be gently touched against a grinding wheel in a water trough for sharpening. Do not apply excessive force or contact the grinding wheel for too long. 6) In actual operation with chipping and striking tools, clear site debris and corrosive oxides from the working surface to prevent third-party impacts. Based on the above performance and usage, aluminum-copper alloys are more suitable for normal pressure equipment and environments with less stringent explosion-proof requirements (such as gas stations, small oil depots, etc.). Beryllium-copper alloy explosion-proof tools are suitable for more demanding environments (such as refineries, gas transfer stations, gas production plants, drilling teams, etc.). 7) Before using various products, remove surface oil stains and refer to the instructions for steel tools.

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