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The emergence of power tools has changed the way human production
As technology continues to advance, more and more power tools are emerging to improve work efficiency and replace heavy physical activity. It is no exaggeration to say that the emergence of power tools has changed the face of the world. Tools are instruments that give humans a mechanical advantage. There are many birds and primates in the animal world that use tools, but there is one thing that sets us apart from them, and that is power. Unlike other animals in the animal kingdom, we humans not only rely on the power of the body, but can drive the tools through other energy sources.
We may not have super powers, but we have power tools. Power tools cover all aspects of our life in medical care, manufacturing, construction, rescue and more. In the industrial revolution of the 19th century, factories used gas steam and electricity to give tools more power. Since the 1960s, people have reinvented their power tools to make them available in ordinary homes. The share of power tools in the global market is $23.4 billion. About 40% of them come from North America, 22% from Asia, and 27% from Europe, with power tools accounting for about 75% of all power tools sold.
The power of a power tool depends on how much voltage it can withstand. The voltage can be thought of as water pressure. The greater the pressure of water management, the stronger the water flow. The same is true for voltage, and the more volts in the tool, the greater the power of the tool. Getting enough voltage also means plugging in the power, but the battery's discovery has changed everything. Battery-powered tools were first used on the moon in the 1960s. Apollo astronauts needed a small hand-held electric drill to drill into the lunar surface to collect soil samples, so engineers designed a special power tool battery pack. Since then, the radio drill has produced this unique invention, first applied to the handheld wireless vacuum cleaner introduced in 1979. This led to the reform of home power tools.
The power tools we know and use rely on people's physical energy, electricity, gasoline and compressed air, but the tools used by professionals are more powerful. In some car racing scenes, we often see car maintenance personnel using pneumatic wrenches to remove the tires, because the time limit of the event they must compete to save time. It takes only 12 seconds for the maintenance personnel to remove the nuts of the four tires, because the speed of the lightning gun wrench can reach 25,000 rpm in 1 minute. It's powered by compressed air, compared to a standard pneumatic wrench of 2000 rpm. The speed of the guns is 12.5 times that of them. This speed can remove the nut of the tire and pick up a nut within 0.2 seconds. If using a standard pneumatic wrench. Instead of a thunderbolt, the 12 seconds of changing the tire will become three minutes.
In the 19th century, there was a legendary story in which the protagonist named John Henry was a railway worker who was the strongest worker at the time. His job was to put nails into the rails. No one could compare them. He, a kind of power tool was born, and the appearance of the air hammer made people no longer need to use brute force to nail. The worker challenged the hammer without fear, and the man-machine battle began. Who can beat faster? The final result is that human Henry won. But because of his excessive overdraft strength, he died shortly. Of course, this is just a legend. In today's times, even the common hammers and nails can't escape the elimination of human progress.
A new power tool nail gun, which is at least ten times faster than a hammer, can shoot 100 nails per minute, far exceeding the efficiency of manpower. And our most common chainsaw, which uses a two-stroke starter engine, is small but has a powerful engine that can drive equipment like lawn mowers and motorcycles. When using the chainsaw, the operator only needs to pull the rope to start the starter and drive the steel teeth on the saw chain to cut the wood. The advent of these power tools completely revolutionized the construction industry.
Of course, in addition to the work of manufacturing, electric tools can also be used to save lives. Power tools can also achieve surgical precision. In the past, surgeons switched from large resection to minimally invasive surgery in order to realize this doctor. Technical support is needed. Technology often means the need for power tools. We all know that surgeons perform surgery and use surgical blades to make incisions. The problem is that such incisions will bleed. Now there is a power tool for surgery. Its needle tip heats up, and it can cut and condense wounds at high temperatures like a scalpel. Condensation means stopping bleeding, which is very important for the surgeon. It is driven by human beings to turn materials into endless high-tech equipment, injecting real power into power tools.
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