German GRATTEC tools GRATTEC models GRATTEC prices

GRATTEC tools are tools that work by using compressed air to drive a pneumatic motor and output kinetic energy. According to their basic working methods, they can be divided into: 1) Rotary type (eccentric movable vane type). 2) Reciprocating type (volume piston type). General pneumatic tools mainly consist of the power output part, operation form conversion part, intake and exhaust path part, operation start and stop control part, tool housing and other main parts. Of course, pneumatic tool operation must also have an energy supply part, air filtration and air pressure regulation part, and tool accessories. Main types include impact wrenches (also called pneumatic wrenches, air wrenches, air impact wrenches), pneumatic screwdrivers (also called pneumatic drivers, air screwdrivers), pneumatic grinders (also called pneumatic polishers, pneumatic wet grinders, pneumatic sanders, pneumatic grinding machines), pneumatic spray guns, pneumatic rivet guns, pneumatic nut setters, air chisels, air hammers, vibration-damping pneumatic saws, and vibration-damping pneumatic files.

GRATTEC tool classification

1) Screwdriver: A tool used to turn screws to force them into position, usually with a thin wedge-shaped head that can be inserted into the slot or recess of the screw head—also known as a "screwdriver". 2) Wrench: A hand tool with an open end or box end that uses the lever principle to turn bolts, screws, nuts, and other threaded fasteners. Wrenches usually have jaws at one or both ends of the handle to apply external force to the handle, allowing the bolt or nut to be turned. When in use, apply external force to the handle in the direction of thread rotation to turn the bolt or nut. 3) Hammer: A tool for striking objects to move or deform them. Most commonly used to drive nails, correct, or break apart objects. Hammers come in various forms; the common form consists of a handle and a head. One side of the head is flat for striking, while the other is the hammer head. The shape of the hammer head can be like a claw, which is used to pull out nails, or wedge-shaped. There are also ball-peen hammer heads. 4) Test pen: Also called a voltage tester, abbreviated as "electric pen". It is an electrician's tool used to test whether wires are live. There is a neon bulb in the pen body; if the neon bulb lights up during testing, it indicates that the wire is live or is the live wire of a circuit. The tip and tail of the test pen are made of metal, and the pen rod is made of insulating material. When using a test pen, you must touch the metal part at the end of the test pen with your hand; otherwise, because the charged object, test pen, human body, and earth do not form a circuit, the neon bulb in the test pen will not light up, causing a misjudgment that the charged object is not live. 5) Tape measure: A tape measure is a commonly used measuring tool in daily life. What everyone often sees is the steel tape measure, which is commonly used in construction and decoration and is also one of the essential tools for households. It is divided into fiber tape measures, leather tapes, waist tapes, etc. Lu Ban rulers, Feng Shui rulers, and Wen Gong rulers also belong to steel tape measures. 6) Utility knife: A type of knife with a sharp blade, used to cut wallpaper and similar items, hence the name "wallpaper knife", also known as a "utility knife". It is frequently used in renovation, decoration, and signboard industries. 7) Electrician's knife: An electrician's knife is a cutting tool commonly used by electricians. Ordinary electrician's knives consist of a blade, cutting edge, handle, and sheath. When not in use, retract the blade into the handle. The root of the blade is hinged to the handle, with scale lines and markings on it; the front end forms a screwdriver tip, both sides have file areas, the cutting edge has a concave curved blade section, and the end of the curved blade forms a sharp point. The handle is equipped with a protection button to prevent the blade from snapping back. The blade of the electrician's knife integrates multiple functions; when used, only one electrician's knife is needed to complete various operations for connecting wires, without carrying other tools, offering benefits such as simple structure, ease of use, and diverse functionality. 8) Hacksaw: Includes hand saws (for household use, woodworking), pruning saws (for branch trimming), folding saws (for branch trimming), bow saws, coping saws (woodworking), rip saws (woodworking), and crosscut saws (woodworking). 9) Spirit level: A spirit level contains a bubble vial and can be used to inspect, measure, and debug whether equipment is installed horizontally. 10) Wire cutters: Wire cutters are clamping and cutting tools consisting of a head and handles. The head includes jaws, teeth, cutting edges, and cutter blades. The functions of the various parts of the pliers are: (1) The teeth can be used to tighten or loosen nuts; (2) The cutting edges can be used to strip the rubber or plastic insulation of soft wires, and can also be used to cut wires and iron wires; (3) The cutter blades can be used to cut harder metal wires such as electrical wires and steel wires; (4) The insulating plastic tubes of the pliers have a voltage resistance of 500V or above, allowing them to cut live wires. 11) Needle-nose pliers: Also called long-nose pliers, mainly used to cut thin single-strand and multi-strand wires, bend loops for single-strand wire connectors, strip plastic insulation, etc. They are also one of the commonly used tools for electricians (especially internal wiring electricians). They consist of a pointed tip, cutting edges, and handles. The handles of electrician's needle-nose pliers are covered with insulating sleeves rated for 500V. Due to the pointed head, needle-nose pliers are suitable for operations in narrow spaces. The method for bending wire connectors with needle-nose pliers is: first fold the wire end to the left, then bend it to the right in a clockwise direction close to the screw. 12) Wire strippers: Wire strippers are one of the commonly used tools for internal wiring electricians, motor repair, and instrument electricians. Their appearance is shown in the figure below. They consist of cutting edges, wire crimping openings, and handles. The handles of wire strippers are covered with insulating sleeves rated for a working voltage of 500V. Wire strippers are suitable for stripping the insulation of plastic and rubber insulated wires and cable cores. The method of use is: place the wire end to be stripped in the blade opening of the plier head, squeeze the two handles with your hand, and then release; the insulation will separate from the core wire.

GRATTEC tool selection

Precautions for selecting power tools: First, power tools are handheld or portable mechanical tools powered by motors or electromagnets, driving the working head through a transmission mechanism. Power tools feature portability, simple operation, and diverse functions, greatly reducing labor intensity, improving work efficiency, and mechanizing manual operations. Therefore, they are widely used in construction, housing decoration, automotive, machinery, electricity, bridges, gardening, and other fields, and have extensively entered households. The characteristics of power tools include lightweight structure, small size, light weight, low vibration, low noise, flexible operation, easy control and operation, convenient portability, sturdiness, and durability. Compared with manual tools, they can increase labor productivity by several to dozens of times; compared with pneumatic tools, they have higher efficiency, lower costs, and are easier to control.

GRATTEC tool precautions

1) Before use, check hand tools for damage. Do not use unsafe tools. 2) Keep tools clean, especially the gripping parts, to prevent slipping and dropping during work. 3) Wear appropriate personal protective equipment such as goggles and gloves. 4) Use hand tools with correct posture and technique; maintain stable force application for safety, and avoid excessive force. 5) When using sharp tools, do not point the blade or sharp parts towards others. 6) When not in use, protect the blade or sharp parts with covers; avoid carrying tools by hand or placing them in pockets. 7) Do not misuse hand tools for other purposes. 8) Understand the characteristics of various hand tools and use them correctly.

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