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DSM tools are tools that work by using compressed air to drive a pneumatic motor and output kinetic energy. According to their basic operating methods, they can be divided into: 1) Rotary type (eccentric movable vane type). 2) Reciprocating type (volumetric 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-damped pneumatic saws, and vibration-damped pneumatic files.

DSM tool classification

1) Electric planer: It is one of the main tools used in woodworking and decoration. It is mainly used for planing and smoothing various wood surfaces. Products are divided into short planers and rough planers. Rough planers are mainly used for planing and smoothing flat wood surfaces and can process relatively large board surfaces. Short planers are used not only for board surface planing but also can be combined with various guide fences for planing tongues and grooves, edges, and slotting. The main features of using a handheld electric planer are small size, light weight, easy to carry, and convenient to use. Compared with manual tools, it can greatly reduce labor intensity and improve processing efficiency and quality. When using a handheld electric planer, hold the handle at the rear of the planer body with your right hand and slightly raise the center of gravity of the rear part. After starting the power with your left hand, hold the guide handle at the front of the planer, keeping the front center of gravity lower. Follow the operation sequence where the front of the planer contacts the wood first. When the rear center of gravity gradually and steadily contacts the planing surface of the wood, push the planer body forward smoothly in the direction of planing with both hands. After the planer body completes the planing stroke, lift the front of the planer with your left hand, then pick it up with both hands and return to the starting point for planing. Repeat this until all planing processing is completed. 2) Jigsaw: Also known as electric coping saw, electric fine saw, etc. It is a multifunctional cutting tool that can cut wooden boards, as well as perform straight or curved cutting on plastic and metal boards. It is particularly suitable for cutting various boards with complex shapes and small radii of curvature. It is an essential multifunctional sawing tool for home decoration and various public interior decoration projects. It features light weight, small size, portability, simple operation, and wide application range. Its cutting principle is that the jigsaw blade is narrow with teeth pointing upwards. During operation, the blade moves in a linear reciprocating motion up and down to cut, thereby completing various sawing tasks according to size requirements. If used with a guide fence, it can also perform angled bevel processing. When using an electric jigsaw, for smaller and thinner wooden boards, fix them on a workbench first and support the workpiece with your left hand. Then hold the saw handle with your right hand and push forward slowly for sawing. Apply steady and uniform force during operation; do not use excessive force to avoid injury or damaging the blade. For larger boards, ensure the board is fixed steadily, then hold the saw handle with both hands and push forward for sawing. Operate along the marked line and always keep the blade perpendicular to the board surface to prevent binding or jamming. 3) Circular saw: Also known as a small handheld circular saw. It is a new type of small handheld electric saw equipped with a spring-loaded automatic safety guard and an electronically controlled constant-speed motor. It features simple operation, flexible use, quick adjustment, and safe reliability. It is very suitable for home decoration sawing tasks involving various wooden boards and fiberboards. The thickness of wood or boards to be sawed is generally recommended to be below 60mm. 4) Sanding tools: Also known as small handheld sanders. They are mainly used for sanding bare wood before painting various wood veneers, and can also be used for sanding putty coatings. However, sanding putty generates significant dust, which seriously pollutes the environment, so enhanced labor protection is required during operation. Handheld sanders include belt sanders and orbital sanders. Belt sanders are mainly used for rapid sanding of wooden components and products, while orbital sanders are commonly used for sanding large areas such as wooden floors in home decoration. 5) Small engraving machine: Also known as a groove planer or trimmer. It can be used for slotting, tenoning, drilling, edge trimming, milling, and edging on various wooden products and components. It can also be used for simple edge trimming, milling, grooving, and edging on light metal materials such as aluminum alloy and plastic steel, such as aluminum alloy (or plastic steel) doors and windows, balcony frames, and furniture frames. Therefore, it is also one of the commonly used power tools in modern home decoration projects.

DSM tool precautions

Large saws are commonly used for wide and thick boards; small saws are commonly used for narrow and thin wood; coarse-toothed saws are commonly used for cross-cutting; fine-toothed saws are commonly used for tenons and shoulders. Hardwood and wet wood require saws with greater set, while softwood and dry wood require saws with less set. When using saws, attention must be paid to safe operating methods for each type: 1) Before using a frame saw, adjust the blade angle with the knob. Conventionally, it should form an angle of 45° with the plane of the wooden frame. Tighten the tension cord with the toggle to keep the blade straight and taut. When starting the cut, hold the saw handle firmly with your right hand and place your left hand at the starting point. Gently push and pull a few times. Do not apply excessive force. Do not twist the saw left or right during cutting. Apply more pressure on the push stroke and less on the pull stroke, maintaining a uniform rhythm. When nearing the end of the cut, hold the piece being cut off steady with your hand. After use, loosen the blade and hang the saw in a secure location. 2) When using a crosscut saw, apply balanced force with both hands to prevent the saw from running towards the side with greater force. When correcting a skewed cut, do so slowly to prevent binding or breaking the blade. 3) When using a wire saw, do not apply excessive force, and do not pull too quickly to avoid breaking the wire. During sawing, the operator's head must not be positioned above the upper end of the bow frame to avoid facial injury if the wire breaks. 4) Regularly check the sharpness of the blade and the stability of the saw frame and handle. Repair blades with dull or uneven teeth promptly. Repair or replace damaged cords, nuts, knobs, handles, and wooden frames before continuing use.

DSM tool precautions

1) Before use, inspect hand tools for damage. Do not use unsafe tools. 2) Keep tools clean, especially the gripping areas, to prevent slipping during operation. 3) Wear appropriate personal protective equipment such as safety glasses and gloves. 4) Use hand tools with correct posture and technique. Maintain a stable stance for safe force application; do not exert excessive force. 5) When using sharp tools, do not point the blade or sharp edges towards others. 6) When not in use, cover blades or sharp edges with protective guards. Do not carry tools in hand or place them in pockets. 7) Do not misuse hand tools for unintended purposes. 8) Understand the characteristics of each hand tool and use them correctly.

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