German MARTOR tools MARTOR models MARTOR prices

MARTOR tools powered by electric motors or electromagnets, driving the working head through a transmission mechanism, are referred to as power tools. These are hand-held tools that use low-power electric motors or electromagnets as the power source, driving the working head via a transmission mechanism. Power tools are divided into handheld and portable types; handheld power tools are more flexible, convenient, and widely used, with many varieties becoming essential tools for production and daily life. There are numerous power tool brands. Based on function and application, they are mainly classified into metal cutting power tools, grinding power tools, assembly power tools, and railway power tools. Common power tools include electric drills, electric grinders, electric wrenches and electric screwdrivers, electric hammers and impact drills, concrete vibrators, and electric planers.

MARTOR tool types

1) Frame saw. Also known as a buck saw, it consists of an H-shaped wooden frame, twisted rope and toggle, saw blade, etc. The two ends of the saw blade are fixed to the frame with knobs, which can also be used to adjust the angle of the blade. After tightening the twisted rope, the blade is tensioned and ready for use. Frame saws are classified into coarse, medium, and fine types based on blade length and tooth pitch. Coarse saw blades are 650—750mm long, with a tooth pitch of 4—5mm; coarse saws are mainly used for cutting thicker lumber. Medium saw blades are 550—650mm long, with a tooth pitch of 3—4mm; medium saws are mainly used for cutting thin lumber or cutting tenons. Fine saw blades are 450—500mm long, with a tooth pitch of 2—3mm; fine saws are mainly used for cutting finer wood and cutting tenon shoulders. 2) Hand saw. Hand saws mainly consist of a cutting edge and a handle, and can be classified into single-sided, double-sided, and back saws. Single-sided hand saws have a blade length of 350mm, with teeth on one side; depending on the function of the teeth, they can be divided into rip saws and crosscut saws. Double-sided hand saws have a blade length of 300mm, with teeth on both sides; typically, one side is for rip cutting and the other for crosscutting. Back saws have a blade plate length of 250—300mm; the back of the blade is reinforced with a steel strip, featuring finer teeth, and are available as rip or crosscut saws. 3) Groove saw. Groove saws consist of a handle and a blade, with the blade approximately 200mm long. Groove saws are mainly used for cutting grooves in wood. 4) Panel saw. Also known as a hand saw, it consists of a handle and a blade, with the blade approximately 250—750mm long and a tooth pitch of 3—4mm; panel saws are mainly used for cutting wider boards. 5) Keyhole saw. The blade is narrow and long, with a pointed tip, approximately 300—400mm in length. Keyhole saws are mainly used for cutting narrow holes and slots. 6) Coping saw. Also known as a fret saw, its construction is similar to that of a frame saw, but the blade is narrower (approximately 10mm), mainly used for cutting arcs and curves. 7) Wire saw. Also known as a bow saw, it is made by bending a bamboo strip into a bow shape, with wire stretched between the two ends; serrated edges are cut into the wire, using the sharp edges for cutting. The wire is approximately 200—600mm long, and the bow frame is 800—900mm long. Wire saws are mainly used for cutting complex curves and openings.

MARTOR tool structure and composition

The cross-sectional shape and distribution of the magnetic poles vary depending on the workpiece. Common structural types of electromagnetic chucks include rectangular and circular configurations. Rectangular magnetic poles are arranged either longitudinally or transversely. Longitudinal arrangement of rectangular magnetic poles is suitable for securing larger workpieces, while transverse arrangement is suitable for securing smaller workpieces. Circular chucks are suitable for securing ring-shaped workpieces or workpieces with complex geometries. The main characteristics of standard electromagnetic chucks are: magnetic flux lines are evenly distributed across the chuck surface, magnetic attraction cannot be concentrated, and the magnetic force per unit area is relatively low; the direction of the magnetic force is perpendicular to the chuck surface and difficult to change, generating only one type of magnetic force for workpieces with the same contact area; the point of application of the magnetic force is limited to the contact surface between the workpiece and the chuck and cannot be arbitrarily adjusted. Therefore, disadvantages during machining include low positioning accuracy, insufficient clamping force, narrow scope of application, and low production efficiency.

MARTOR tool maintenance

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

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