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  • Installation Direction and Skills of Woodworking Saw Blade

    Saw blade is a general term for thin circular cutting tools used to cut solid materials, while woodworking saw blade is a tool used to process wood. There are many specifications of woodworking saw blades. In order to achieve twice the result with half the effort in practical operation, it is nec...
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  • Introduction and Precautions of Electric Hammer Drill Bit Ⅱ

    2. Characteristics of Electric Hammer Bit 4) Comprehensive motor protection device: granular hard objects will inevitably enter the machine during use (especially drilling upward for the machine, such as drilling on the wall top). If the motor does not have certain protection, it is very easy to ...
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  • Introduction and Precautions of Electric Hammer Drill Bit Ⅰ

    1. Introduction to Electric Hammer Drill Bit Electric hammer is a kind of electric drill, which is mainly used to drill holes in concrete, floor slab, brick wall and stone. It is specialized in drilling holes on the wall, concrete and stone. There is also a multi-functional electric hammer. It ca...
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  • Classification of Pneumatic Percussion Drills

      Pneumatic percussion drill is used with percussion drill bit.   Pneumatic percussion drill is mainly used for installation of pipes on rock, brick wall, concrete and other components, erection of power lines and other narrow space operations, especially in high gas explosion-proof mines, pneuma...
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  • Classification of Hole Saw

      When the hole saw is installed on the ordinary electric drill, it can easily cut round holes, square holes, triangular holes, straight lines and curves on the plane, spherical surface and other arbitrary surfaces of various plates such as copper, iron, stainless steel and organic glass.  ...
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  • Installation Method of Electric Hammer Drill Bit

      1. When installing, insert the drill bit directly into the electric hammer chuck. 2. Turn left and right until the drill bit is locked automatically.   3. Pull the drill bit to determine if it is locked correctly. 4. Before installing the drill bit, first press the collet under the ...
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  • Electric Pick

      Electric pick is a double insulated hand-held electric tool powered by single-phase series excited motor. It has the characteristics of safety, reliability, high efficiency and convenient operation, which is widely used in pipeline laying, mechanical installation, water supply and drainage...
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  • Summary of Replacement Method and Daily Working Principle of Electric Drill Bit Ⅱ

      3. Replacement of Electric Drill Bit   1) Normally, the replacement methods of the above three electric drills are the same, but the drill chuck on the drill bit is divided into self-tightening drill chuck and hand tightening drill chuck. When replacing the drill bit in the electric d...
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  • Summary of Replacement Method and Daily Working Principle of Electric Drill Bit Ⅰ

      1. Classification of Electric Drills   Electric drills can be divided into three categories: electric hand drill, impact drill and hammer drill. It needs to be selected according to your actual needs and their respective scope of use.   1) Hammer Drill   It can produce stron...
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  • Difference between Members of the Electric Drill Family Ⅱ

      1. Electric hammer   Electric hammer is a kind of electric drill. Compared with impact drill, electric hammer needs the minimum pressure to drill into hard materials, such as stone and concrete, especially relatively hard concrete. It can open 6-100mm holes in hard materials such as c...
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  • Difference between Members of the Electric Drill Family Ⅰ

      1. Electric hand drill   Electric hand drill is a hand-held electric tool, which is mainly composed of collet, output shaft, gear, rotor, stator, casing, switch and cable. It is more suitable for drilling holes in materials requiring very little force, such as cork, metal, brick, cera...
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  • Brick Chimney Demolition Works

      The following points must be done in the early stage:   1. When entering the site, the construction personnel shall first check the climbing ladders of brick chimneys one by one.   2. As the brick chimney cannot be shut down during construction, it is constructed without shutdown...
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