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Posted by Leticia Browning at Sunday, November 22nd, 2020 - 11:39:54 AM in Power Tools
The electric drill was regarded by most as the first powered hand tool. The first electric drill was patented in Australia on 20th August 1889 an attributed to Arthur James Arnot. This first drill was primarily intended for heavy industrial use and was invented before most communities were even supplied with electricity. In 1917, Black and Decker introduced and patented the pistol grip and also the trigger switch familiar on most products available today. This was the basis of the modern electric drill and later models were soon shipped in thousands. 1961 saw the first battery powered drill and as technology improves and prices fall we are now in a position where the battery powered drills have taken over from the corded big brother.
Power tool users frequently assume that they know everything there is to know about power tool safety. However, power tools can be extremely dangerous if used improperly. The Consumer Product Safety Commission conducted a survey in 2003 that blamed workshop and indoor power tools for an average of 400,000 emergency room visits a year. This total does not even include injury from tools such as backhoes, mowers and weed trimmers. Statistics such as these show the grim side of power equipment usage and make the need for power equipment safety even more evident. This article is designed to present consumers with a summary of basic safety procedures and safeguards associated with power equipment usage.
The brief history just serves to illustrate the development of the drill and close on the heels of the drill were many other corded and cordless power tools. Mains powered devices operate on a variety of voltages 120v in the US and in Europe we operate on two voltages. We have 220-240v powered tools normally used in the home and for the less demanding applications whereas in the construction arena health and safety demands 110v units powered by 220-240v to 110v transformers. Battery powered tools use different battery types and operate at different voltages. The power screwdriver is the least demanding of the electrically operated tools in the power toolbox and may be supplied with as little as 3.6v batteries. The capability of the batteries has increased year by year as we have seen battery technology move gently from 9.6v to 36v such that we now have tools supplied with batteries rated at 12v, 14.4v, 18v, 24v and 36v. Needless to say the 36v tools are much more expensive than the 12v tools. The development in battery technology has been considerably more than just building larger battery packs. The latest batteries are Lithium-ion or Li-Ion batteries which enable more battery power to be delivered and batteries can be quickly recharged.
In 1923, American inventor Raymond DeWalt introduced the world's first radial arm saw, a sliding circular saw that could make long cuts with accuracy. One year later, he founded the DeWalt power tool company in Baltimore, Maryland; another company that has grown substantially over the last 85 years. At the forefront of portable power tool technology, DeWalt's power tools are revered by carpenters and homeowners alike for their long-life, durable cordless battery-styled power drill, circular saws, and other power tools; and the company currently manufactures over 200 types of power tools worldwide.
With the marketplace being overwhelmed with numerous brands of power tools, it may turn out to be a daunting task, while filtering out the best one for your unique job role. Although, power tools are usually associated with technicians, pertaining to their routine dealings in complex operations, however, with increasing enthusiasm amongst people, regarding DIY projects, power tools are proactively being purchased by novices, like you and us.