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Cutting speed may be defined as the rate at the workpiece surface, irrespective of the machining operation used. A cutting speed for mild steel of 100 ft/min is the same whether it is the speed of the cutter passing over the workpiece, such as in a turning operation, or the speed of the cutter moving past a workpiece, such as in a milling operation.
A machinist calculator is a hand-held calculator programmed with built-in formulas making it easy and quick for machinists to establish speeds, feeds and time without guesswork or conversion charts. Formulas may include revolutions per minute (RPM), surface feet per minute (SFM), inches per minute (IPM), feed per tooth (FPT).
A 3-axis clone of a Bridgeport -style vertical milling machine. Milling is the process of machining using rotary cutters to remove material [1] by advancing a cutter into a workpiece. This may be done by varying directions [2] on one or several axes, cutter head speed, and pressure. [3] Milling covers a wide variety of different operations and ...
The CN Tower (French: Tour CN) is a 553.3 m-high (1,815.3 ft) concrete communications and observation tower in Toronto, Ontario, Canada. [3][8] Completed in 1976, it is located in downtown Toronto, built on the former Railway Lands. Its name "CN" referred to Canadian National, the railway company that built the tower.
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A CNC metal lathe with the door open. In machining, numerical control, also called computer numerical control (CNC), [1] is the automated control of tools by means of a computer. [2] It is used to operate tools such as drills, lathes, mills, grinders, routers and 3D printers. CNC transforms a piece of material (metal, plastic, wood, ceramic ...
The Canadian Broadcasting Centre, also known as the Toronto Broadcast Centre, [2] is an office and studio complex located in Toronto, Ontario, Canada. It serves as the main broadcast and master control centre for the Canadian Broadcasting Corporation 's English-language television and radio services. It also contains studios for local and ...
While Highway 400 was originally known as the Toronto–Barrie Highway, the route has been extended well beyond Barrie to north of Parry Sound, and is projected to reach its eventual terminus in Sudbury in the 2020s. [6] As of 2012, the length of the highway is 226.0 km (140.4 mi) with an additional 152 km (94 mi) planned.