German MINUS tools MINUS models MINUS prices

MINUS tools are instruments that utilize electromagnetic technologies, such as permanent magnets, to assist in mechanical manufacturing processes. They can be categorized into magnetic fixtures, magnetic tools, magnetic molds, and magnetic auxiliary devices. The use of magnetic tools can significantly improve production efficiency and reduce the physical workload of employees. For some workpieces, clamping is inconvenient during machining and assembly due to their structural characteristics. By vertically positioning a U-shaped iron core on the worktable for processing, one only needs to embed a magnet in the locating block of the fixture to firmly adsorb the workpiece onto the worktable equipped with the locating block, ensuring accurate positioning. This greatly simplifies the fixture structure and improves work efficiency. Some products require welding small parts onto the workpiece; if accurate positioning is not achieved, it not only makes the work inconvenient but also fails to meet requirements.

MINUS tool classification

1) Electric planer: One of the main tools used in carpentry and renovation. It is primarily used for planing flat and straight surfaces of various types of wood. Products are available as short planers and rough planers. Rough planers are mainly used for planing flat wood surfaces and can process relatively large board surfaces. Short planers, in addition to planing board surfaces, can be used with various guide plates for planing tongues and grooves, edges, and slots. The main features of handheld electric planers are their small size, light weight, portability, and ease of use. Compared to manual tools, they significantly 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. After starting the power with your left hand, grip the guide handle at the front of the planer, keeping the front center of gravity lower. Follow the sequence where the front of the planer contacts the wood first; as the rear center of gravity steadily contacts the planing surface, push the planer body forward smoothly in the direction of planing with both hands. After completing the planing stroke, lift the front of the planer with your left hand, then pick it up with both hands to return to the starting point for the next pass. Repeat until all planing is completed. 2) Jigsaw: Also known as an electric coping saw or electric fine saw. It is a multifunctional cutting tool capable of straight or curved cutting on wooden boards, as well as plastic and metal sheets, especially suitable for 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, featuring light weight, compact size, portability, simple operation, and wide application range. Its cutting principle involves a narrow saw blade with upward-facing teeth that perform a vertical reciprocating motion to cut according to dimensional requirements. When used with a guide plate, it can also perform angled bevel processing. When using an electric jigsaw on smaller, thinner wooden boards, secure the board to a workbench and support the workpiece with your left hand, then gently push the saw forward with your right hand holding the handle. Apply steady and uniform force; excessive force may cause injury or damage the blade. For larger boards, ensure the board is securely fixed, then hold the handle with both hands to push forward. Follow the marked line during cutting 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 high safety and reliability, making it very suitable for cutting various wooden boards and artificial fiberboards in home renovation. The thickness of wood or boards being cut should generally be below 60mm. 4) Sanding tools: Also known as small handheld grinders. Primarily used for sanding bare wood before painting various wood finishes, and also for sanding putty coatings. 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 perform 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.

MINUS tool structure composition

The function of power components is to convert the mechanical energy of the prime mover into hydraulic pressure energy. This refers to the oil pump in the hydraulic system, which provides power to the entire hydraulic system. The structural forms of hydraulic pumps generally include gear pumps, vane pumps, and piston pumps. Actuators (such as hydraulic cylinders and hydraulic motors) convert hydraulic pressure energy into mechanical energy, driving loads to perform linear reciprocating motion or rotary motion. Control components (i.e., various hydraulic valves) control and regulate the pressure, flow, and direction of the fluid in the hydraulic system. Depending on the control function, hydraulic valves can be divided into pressure control valves, flow control valves, and directional control valves. Pressure control valves include relief valves (safety valves), reducing valves, sequence valves, and pressure relays. Flow control valves include throttle valves, adjustment valves, and flow divider/collector valves. Directional control valves include check valves, pilot-operated check valves, shuttle valves, and directional control valves. Depending on the control method, hydraulic valves can be divided into on/off control valves, fixed-value control valves, and proportional control valves. Auxiliary components include oil tanks, oil filters, oil pipes and pipe fittings, sealing rings, pressure gauges, and oil level/temperature gauges. Hydraulic oil is the working medium that transmits energy in the hydraulic system, including various mineral oils, emulsions, and synthetic hydraulic oils.

MINUS tool maintenance

1) Set: The set is adjusted using a saw set. When setting, engage the slot of the saw set with the saw teeth and push them forcefully to the left or right. The degree of set must meet the requirements for the kerf width. 2) Filing: When filing the saw teeth, clamp the saw blade on the vise so that the saw teeth are exposed. Depending on the size of the saw teeth, use a triangular steel file 100 to 200 mm in length. File each tooth sequentially from right to left, applying uniform force with both hands. One face of the file should be held vertically and tightly against the lower cutting edge of the saw tooth, while the other face rests against the upper edge of the adjacent tooth. If the set of the saw teeth is found to be irregular, place the saw blade flat on a steel plate. Use a wooden mallet to flatten all the saw teeth, then perform resetting and filing again. In addition, maintain the saw frame; if damage is found in the ropes, nuts, knobs, or wooden mortise-and-tenon joints, adjust or repair them promptly.

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