German HAFU tools HAFU models HAFU prices

HAFU tools refer to electrical safety tools, which are various specialized tools and devices designed to prevent accidents such as electric shock, burns, falls, and slips, 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 divided into four categories: personal protective equipment, insulated safety tools, climbing tools, and warning signs.

HAFU tool classification

1) Electric planer: It is one of the main tools used in woodworking and decoration. It is mainly used for planing flat and straight surfaces of various woods. Products are divided into short planers and rough planers. Rough planers are mainly used for planing flat wood surfaces and can process larger board surfaces; short planers, in addition to planing board surfaces, can also be used with various guides to plane tongues and grooves, edges, and slots. The main features of using a handheld electric planer are small size, light weight, portability, and ease of 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, and 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, 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 the next pass. Repeat this until all planing is completed. 2) Jigsaw: Also known as electric coping saws or electric fine saws. It is a multifunctional cutting tool that can cut materials from wooden boards, as well as perform straight or curved cuts on plastic and metal sheets. It is particularly suitable for cutting complex shapes and geometric figures with small radii of curvature. It is an essential multifunctional sawing tool for home renovation and various public interior decoration projects. It features light weight, small size, portability, simple operation, and wide application range. Its cutting principle involves a narrow saw blade with upward-facing teeth, which moves in a linear reciprocating motion up and down during operation to complete various cutting tasks according to size requirements. If used with a guide plate, 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 cutting. Apply steady and uniform force; do not exert excessive force to avoid injury or damaging the blade. For larger boards, ensure the board is securely fixed, then hold the saw handle with both hands and push forward for cutting. Follow the marked line during cutting and always keep the blade perpendicular to the board surface to prevent jamming or binding. 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 high safety and reliability, making it very suitable for home renovation tasks such as cutting various wooden boards and fiberboards. The thickness of wood or boards being cut should generally be 60mm or less. 4) Sanding tools: Also known as small handheld grinders. They are mainly used for sanding bare wood before painting various wood finishes, and can also be used for sanding putty surfaces. However, sanding putty generates significant dust, which seriously pollutes the environment, so enhanced labor protection is required during operation. Handheld grinders 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 larger areas such as wooden floors in home renovations. 5) Small engraving machine: Also known as a slotter or trimmer. It can be used for slotting, tenoning, drilling, edging, milling, and trimming on various wooden products and components. It can also be used for simple edging, milling, grooving, and trimming 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 renovation projects.

HAFU tool precautions

Large saws are commonly used for thick and wide boards; small saws are commonly used for narrow and thin wood; coarse saws are commonly used for cross-cutting; fine saws are commonly used for tenons and shoulders. Hardwood and wet wood require saws with larger set, while softwood and dry wood require saws with smaller set. When using saws, attention must be paid to the safe operation methods for each type: 1) Before using a frame saw, adjust the angle of the saw blade with the knob. Conventionally, it should form an angle of 45° with the plane of the wooden frame. Tighten the tension rope with the toggle to keep the saw blade taut and straight. When starting the cut, hold the saw handle firmly with your right hand and place your left hand at the starting point, gently pushing and pulling a few times. Do not exert excessive force. Do not twist the saw left or right during cutting. Apply heavy pressure on the forward stroke and light pressure on the return stroke, maintaining a uniform rhythm. When nearing the end of the cut, hold the piece to be severed steady with your hand. Loosen the saw blade after use and hang it in a secure location. 2) When using a crosscut saw, apply balanced force with both hands to prevent the saw from drifting toward the side with greater force. When correcting a skewed cut, do so slowly to prevent jamming or breaking the blade. 3) When using a wire saw, do not pull too forcefully or too quickly to avoid breaking the wire. During operation, the operator's head must not be positioned above the upper end of the bow frame to avoid facial injury from a snapping wire. 4) Regularly check the sharpness of the saw blade and the stability of the saw frame and handle. Promptly repair blades with dull or uneven teeth. Repair or replace damaged ropes, nuts, knobs, handles, and wooden frames before continuing use.

HAFU tool features

The electro-permanent magnetic chuck has extremely strong holding force, reaching up to 16kg/cm², with uniform and adjustable magnetic distribution. It is suitable for various heavy machining, roughing, and finishing operations. Ordinary powerful chucks have weaker and uneven holding force, unable to meet the requirements of heavy machining. The holding force of an electro-permanent magnetic chuck does not require continuous power supply, generating no heat during continuous operation, thus avoiding thermal deformation of the workpiece. Meanwhile, the strong and uniform surface holding force ensures the highest machining precision even if the workpiece overhangs the table. In contrast, ordinary electromagnetic chucks require a continuous current supply, generating heat after a period of operation. This not only causes thermal deformation of the workpiece but also reduces the magnetic force of the chuck, failing to guarantee machining precision. Electro-permanent magnetic chucks can be used continuously; even if operated for more than 20 hours daily, no faults will occur, and no maintenance is required. Ordinary permanent magnetic chucks may experience a decline in holding force after about half a year of use, while electromagnetic chucks can only operate for a few hours a day and are prone to failures, requiring frequent replacement and maintenance of internal components. Using ordinary powerful chucks requires significant workpiece adjustment time, accounting for 40%-50% of the entire machining process, and clamping positioning is prone to obvious errors, resulting in high scrap rates and very low efficiency. Electro-permanent magnetic chucks feature automatic auxiliary positioning; simply pressing a button completes workpiece clamping or release in 0.3 seconds, significantly improving production efficiency.

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