Power tools have become essential in the modern hardware industry, offering efficiency and precision in various applications. These tools are typically categorized based on their usage fields, such as metal cutting, grinding, assembly, and railway operations. Commonly used power tools include electric drills, grinders, wrenches, screwdrivers, hammers, impact drills, concrete vibrators, and electric planers, each designed for specific tasks and industries.
1. **Electric Drill**: Electric drills come in various sizes, with main specifications including 4mm, 6mm, 8mm, 10mm, 13mm, 16mm, 19mm, 23mm, 32mm, 38mm, and 49mm. The numbers indicate the maximum drilling diameter on steel with a tensile strength of 390N/mm². For non-ferrous metals or plastics, the effective drilling size can be up to 30-50% larger than the standard specification.
2. **Electric Grinder**: This tool is used for grinding surfaces using a grinding wheel or disc. It comes in two main types: straight grinders and angle grinders, each suitable for different tasks like cutting, polishing, or surface preparation.
3. **Electric Wrench and Screwdriver**: These tools are designed for tightening or loosening threaded fasteners. Electric wrenches use a planetary gear system combined with an impact mechanism, while electric screwdrivers often feature a jaw clutch or gear transmission. Common sizes for wrenches include M8, M12, M16, M20, M24, and M30, while screwdrivers typically range from M1 to M6.
4. **Electric Hammer and Impact Drill**: Ideal for drilling into hard materials like concrete or brick walls, these tools are also used for chiseling and roughing. When paired with expansion bolts, they significantly enhance the installation speed and quality of pipes and machinery.
5. **Concrete Vibrator**: Used during the pouring of concrete foundations and reinforced structures, this tool helps eliminate air bubbles and improve the strength of the concrete. It operates by rotating an eccentric weight driven by a motor, which is powered by an intermediate frequency power supply (usually 150Hz or 200Hz).
6. **Electric Planer**: Designed for smoothing wood or wooden components, it can also function as a small planer on a gantry. The cutter shaft is driven by a motor through a belt system, allowing for precise shaping and finishing.
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**Tag:** Power Tools, Hardware Industry
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