German CAMFART tools CAMFART models CAMFART prices

CAMFART tools, also known as hand tools, are distinguished from power tools. They primarily rely on manual force to turn or apply pressure. Hand tools are categorized by use into wrenches, pliers, screwdrivers, tape measures, hammers, sockets, cutting tools, scissors, tool sets, and auxiliary items such as tool carts; each category has different models. Wrenches include open-end wrenches (fixed wrenches), double box-end wrenches, ratchet wrenches (quick wrenches), combination wrenches, pipe wrenches, T type socket wrenches, cross socket wrenches, adjustable wrenches, etc.; pliers include wire cutters, needle-nose pliers, diagonal cutters, snap-ring pliers, slip-joint pliers, water pump pliers, pipe wrenches, locking pliers, etc.; screwdrivers include slotted, Phillips, Pozidriv, hex, and Torx types; sockets are divided into standard sockets, Torx sockets (E type sockets), bit sockets (BIT sockets), spark plug sockets, impact sockets, etc. Common sizes are 1/4", 3/8", and 1/2", where " denotes inches; each size is further divided into 6-point sockets and 12-point sockets; hammers include claw hammers, machinist hammers, ball-peen hammers, rubber mallets, and installation hammers; cutting tools include files, diamond files, tin snips, aviation snips, utility knives, square tube saws, pipe cutters, bolt cutters, etc. Materials include chrome-vanadium steel, carbon steel, and alloy steel.

CAMFART tool types

1) Frame saw. Also known as a buck saw, it consists of an H-shaped wooden frame, twisted rope with a toggle, and a saw blade. The ends of the saw blade are fixed to the frame with knobs, which can also adjust the blade angle. 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 wood. Medium saw blades are 550—650mm long, with a tooth pitch of 3—4mm; medium saws are mainly used for cutting thin wood 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) Knife saw. A knife saw mainly consists of a saw edge and a handle, and can be single-sided, double-sided, or back-backed. Single-sided knife saws are 350mm long, with teeth on one side; depending on the function of the teeth, they are divided into rip cuts and cross cuts. Double-sided knife saws are 300mm long, with teeth on both sides; typically, one side is for rip cuts and the other for cross cuts. Back-backed knife saw blades are 250—300mm long; the back of the blade is reinforced with a steel strip, and the teeth are finer, available in rip and cross cut versions. 3) Groove saw. A groove saw consists of a handle and a saw 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 saw 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 small holes and slots. 6) Coping saw. Also known as a fret saw, its structure is similar to a frame saw, but the blade is narrower (about 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 ends; serrated edges are formed on the wire to cut using the sharp ridges. The wire is approximately 200—600mm long, and the saw bow is 800—900mm long. Wire saws are mainly used for cutting complex curves and openings.

CAMFART tool structure and composition

The cross-sectional shape and distribution of the magnetic poles vary depending on the workpiece. Common structures of electromagnetic chucks include rectangular and circular types; rectangular poles are arranged either longitudinally or transversely. Longitudinal arrangement of rectangular poles is suitable for securing larger workpieces; transverse arrangement is suitable for securing smaller workpieces. Circular chucks are suitable for securing ring-shaped workpieces or workpieces with complex shapes. The main characteristics of standard electromagnetic chucks are: magnetic flux lines are evenly distributed on the surface of the chuck, magnetic attraction cannot be concentrated, and the magnetic force per unit area is relatively small; the direction of the magnetic force is perpendicular to the chuck surface and difficult to change, producing only one type of magnetic force for a given 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 changed. Therefore, machining suffers from disadvantages such as low positioning accuracy, insufficient clamping force, narrow scope of application, and low production efficiency.

CAMFART tool usage

1) When placing the diamond dressing tool holder into the collet, avoid impacting the grinding wheel surface. 2) Do not align the single-point diamond dressing tool vertically with the center of the grinding wheel; it generally needs to be tilted 10-15°. 3) Do not "quench" (suddenly cool) a heated dressing tool. During dry dressing, maintain sufficient interval time between dressings to allow the heated tool to cool. 4) Do not assume the grinding wheel surface is ideally flat. At the start of dressing, locate the high points on the wheel and proceed with dressing. 5) If possible, the amount removed from the grinding wheel radius should not exceed 0.001 inches per dressing. Excessive removal can cause premature wear and frequent breakage of the diamond dressing tool. 6) However, do not remove too little material each time. Grinding wheels used on old or less rigid machines may not require dressing. 7) Avoid staying in one position too long during dressing. This will polish the wheel surface, generate high temperatures, and damage the diamond dressing tool. Rotate the dressing tool at least once daily. 8) Do not continue to use worn or damaged dressing tools. Adjust or replace them promptly. 9) Do not select excessive removal amounts and fast traverse speeds for rough dressing, followed by small removal amounts and slow traverse speeds for finish dressing. This will quickly damage the diamond dressing tool. If possible, it is recommended to use the same traverse speed for both rough and finish dressing.

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