Broadly speaking, pneumatic tools are mainly tools that use compressed air to drive a pneumatic motor and output kinetic energy. Since pneumatic tools are generally used as carrying tools and are required to be small and lightweight, this has been achieved by rational construction, high-precision machining, strict material selection, and strict heat treatment. As a result, it is easier to use and more powerful, and has many advantages not found in branded power tools . Compared with power tools, it has the following advantages.
First, the ability to work
( a ) Both offer a variety of different ways of working, such as: rotation, reciprocation, swing, impact, etc.
( b ) Speed ​​adjustment and output power adjustment are simple. The operation of the supply valve handle and the adjustment of the regulating valve can be carried out very simply.
( c ) Pneumatic tools offer more levels of choice in the range of speeds, from 100 rpm to 70,000 rpm .
( d ) The output power is large in proportion to the weight to volume. In the case of the same output power, it is small and lightweight compared to the power tool.
( e ) No heat and overload failure. Pneumatic tools are more suitable for long-term work without heat generation, and even if the compressed air engine is overloaded, the tool simply stops rotating. Once the overload phenomenon is removed, it resumes normal operation and has no effect on the tool. Any failure will occur.
( f ) In terms of reciprocating motion, pneumatic tools use piston motion, while brand power tools are converted by cams, compared to pneumatic tools.
Second, the environmental applicability
( a ) Strong water resistance. Although water immersion is harmful to the tool, it is not as fatal as a power tool. Moreover, since no electric spark is generated, even if it is used in a place with an explosion hazard, there is no possibility of a fire and explosion, and it is more suitable for use in coal mines and oil fields.
( b ) Pneumatic tools can work in a variety of bad or harsh environments, but must be maintained (dust removal, water removal, refueling, etc.). Pneumatic tools can use internal combustion engine air pumps, so they are more suitable for field work. Pneumatic tools can work for a long time and are suitable for large-scale production lines.
Third, economic
( a ) The initial investment in power tools is low, but the energy consumption for long-term use is high, and the cost of tool repair and replacement is also high.
( b ) Initial investment in pneumatic tools requires the establishment of air-pressure piping equipment, but long-term use is less costly in terms of energy consumption and tool maintenance.
( c ) Brand power tools are typically 3-4 times the weight of pneumatic tools , not suitable for long hours of work, while pneumatic tools can increase work efficiency.
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