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A planer is a type of metalworking machine tool that uses linear relative motion between the workpiece and a single-point cutting tool to cut the work piece. [1] A planer is similar to a shaper , but larger, and with workpiece moving, whereas in a shaper the cutting tool moves.
After spending years working around wood, Woodworth would design and then patent the Woodworth Planing Machine in 1828. [2] Hailed as the greatest improvement to the planing machine so far and one of the most important inventions of the century, it added speed and efficiency to the process of creating lumber for domestic usage.
This machine transcribes the desired thickness using the downside as a reference / index. So, to produce a completely straight planed board requires that the down surface is straight before planing. Obtaining the first flat side requires either face planing with a jointer or face planing using a planer and jointer sled.
Craftsman No. 5 jack plane A hand plane in use. A hand plane is a tool for shaping wood using muscle power to force the cutting blade over the wood surface. Some rotary power planers are motorized power tools used for the same types of larger tasks, but are unsuitable for fine-scale planing, where a miniature hand plane is used.
2004: First podcast, invented by Adam Curry and Dave Winer, is a program made available in digital format for download over the Internet and it usually features one or more recurring hosts engaged in a discussion about a particular topic or current event. [545] [546] [547] 2005: YouTube, the first popular video-streaming site, was founded
Paper was made one sheet at a time by hand until development of the Fourdrinier paper machine (c. 1801) which made a continuous sheet. Paper making was severely limited by the supply of cotton and linen rags from the time of the invention of the printing press until the development of wood pulp (c. 1850s)in response to a shortage of rags. [ 4 ]
He is sometimes credited with having invented the word "motorcycle"; he used the term as early as 1893. Pennington built and demonstrated his original motorcycle design in Milwaukee in 1895. Pennington built and demonstrated his original motorcycle design in Milwaukee in 1895.
Manufacturing resource planning (MRP II) [1] is a method for the effective planning of all resources of a manufacturing company. Ideally, it addresses operational planning in units, financial planning, and has a simulation capability to answer " what-if " questions and is an extension of closed-loop MRP (Material Requirements Planning).