German DIABU tools DIABU models DIABU prices

DIABU tools are made of copper alloy. Due to the good thermal conductivity of copper and its nearly carbon-free nature, the heat generated in a short time when the tool rubs against or impacts an object is absorbed and conducted. Another reason is that copper itself is relatively soft, providing good compliance during friction and impact, making it difficult to produce tiny metal particles, so we hardly see any sparks. Therefore, explosion-proof tools are also called non-sparking tools. The materials for explosion-proof tools are beryllium bronze and aluminum bronze. Beryllium bronze alloys and aluminum bronze alloys do not spark upon impact or friction, making them very suitable for manufacturing safety tools used in explosive, flammable, strong magnetic, and corrosive environments. BeA-20C alloy withstands an impact energy of 561IJ in hydrogen containing 30% or in methane air-oxygen mixture containing 6.5-10%, undergoing 20 impacts without sparking or ignition.

DIABU tool classification

1) Metal cutting power tools, mainly including: electric drills, magnetic base drills, electric reamers, electric knives, electric shears, electric punch shears, electric reciprocating saws, electric pipe sawing machines, electric tapping machines, electric profile cutting machines, electric miter saws, electric weld seam bevelling machines, and multi-function power tools. 2) Sanding and grinding power tools, including: straight grinders, angle grinders, flexible shaft grinders, die grinders, flat sanders, belt sanders, straight polishers, and disc polishers. 3) Assembly power tools, including: electric wrenches, torque-controlled electric wrenches, electric screwdrivers, electric riveters, electric self-tapping screwdrivers, and electric pull rivet guns. 4) Construction and road power tools, including: concrete vibrators, electric hammers, hammer drills, impact drills, electric chisels, electric floor polishers, electric stone cutters, expansion bolt wrenches, wet grinders, electric steel disc cutters, electric threading machines, electric pipe bending machines, electric engineering drills, electric scrapers, and electric brick wall milling machines.

DIABU tool structure and composition

The cross-sectional shape and distribution of the pole cores vary depending on the workpiece. Common structures of electromagnetic chucks include rectangular and circular types. Rectangular magnetic poles are arranged either longitudinally or transversely. Longitudinal arrangement of rectangular magnetic poles is suitable for fixing larger workpieces; transverse arrangement is suitable for fixing smaller workpieces. Circular chucks are suitable for fixing ring-shaped workpieces or workpieces with complex shapes. The main characteristics of ordinary electromagnetic chucks are: magnetic lines are evenly distributed on the surface of the magnetic disk, the electromagnetic attraction force 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 workpieces of the same contact area; the action point of the magnetic force on the workpiece is limited to the contact surface between the workpiece and the chuck and cannot be changed arbitrarily. Therefore, there are disadvantages such as low positioning accuracy, insufficient clamping force, narrow scope of application, and low production efficiency during machining.

DIABU tool usage

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

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