A power tool is a mechanized tool that uses a motor or an electromagnet as a power source to drive a head through a transmission mechanism. A pneumatic tool is a tool that can convert the energy of compressed air into various mechanical energy to complete various tasks. Both are important powers for the tool industry, each with their own advantages and disadvantages. Pneumatic tools are slowly replacing electric tools in certain fields.
Since pneumatic tools are generally used as hand tools, they are required to be small and lightweight. Therefore, this object is achieved by the rationalization of the structure and high-precision machining, strict material selection, and multiple heat treatments. Compared with the power tool, it has the following advantages: 1) The output power is large under the same weight volume. 2) There is no overload fault (electric tools will burn the motor at this time). 3) Simple to use and maintain. 4) Strong water resistance (water immersion is harmful to tools, but pneumatic tools are not fatal). 5) Easy adjustment of speed and output power. 6) It is easy to reach high speed operation. 7) Essentially explosion-proof construction (for flammable and explosive environments).
Compared to power tools, the weakness of pneumatic tools is mainly reflected in: 1) There are no power tools (power) everywhere, and the connection pipes are also heavier than the power tool cables. 2) Second conversion of energy, low energy utilization (usually electric energy is converted into high pressure air pressure energy, and then converted into mechanical energy; and electric tools directly convert electrical energy into mechanical energy)
The specific use of pneumatic tools or power tools also requires a reasonable selection based on the purpose of the tool and the location of use. For example, more power tools are used on construction sites, and pneumatic tools are more appropriate for furniture factories. If a destructive tool (grinding, milling, etc.) is required, the power tool is better because of its higher energy efficiency and better relative destruction. If you need a quantitative force tool (such as a torque wrench), then use a pneumatic tool is better, because such tools control the force is determined according to the pressure, so it will not cause the phenomenon of torque instability.
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