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2. Speeds and feeds - Wikipedia

   en.wikipedia.org/wiki/Speeds_and_feeds

   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.

3. CNC plunge milling - Wikipedia

   en.wikipedia.org/wiki/CNC_plunge_milling

   CNC plunge milling, also called z-axis milling, is a CNC milling process. In this process, the feed is provided linearly along the tool axis while doing CNC processing. This image shows the material removal in plunge milling. Plunge milling is effective for the rough machining process of complex shape or free form shapes like impeller parts. In ...

4. Facing (machining) - Wikipedia

   en.wikipedia.org/wiki/Facing_(machining)

   The tool will then feed perpendicularly across the part's rotational axis as it spins in the jaws of the chuck. A user will have the option to hand feed the machine while facing, or use the power feed option. For a smoother surface, using the power feed option is optimal due to a constant feed rate. Facing will take the work piece down to its ...

5. Broaching (metalworking) - Wikipedia

   en.wikipedia.org/wiki/Broaching_(metalworking)

   Broaching is an unusual machining process because it has the feed built into the tool. The profile of the machined surface is always the inverse of the profile of the broach. The rise per tooth (RPT), also known as the step or feed per tooth, determines the amount of material removed and the size of the chip. The broach can be moved relative to ...

6. Machinist - Wikipedia

   en.wikipedia.org/wiki/Machinist

   Programmers are usually machinist as well. A CNC programmer creates programs using software called CAM (computer aided manufacturing). The programmer must be proficient in math, speeds and feeds, machine tooling, work holding, and the different ways various materials react to stress and heat in the machining process.

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   mail.aol.com

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8. Surface feet per minute - Wikipedia

   en.wikipedia.org/wiki/Surface_feet_per_minute

   Surface feet per minute (SFPM or SFM) is the combination of a physical quantity (surface speed) and an imperial and American customary unit (feet per minute or FPM).It is defined as the number of linear feet that a location on a rotating component travels in one minute.

9. Machining - Wikipedia

   en.wikipedia.org/wiki/Machining

   CNC machine pouring coolant to keep the tool and parts from getting hot Lathe machine. Machining is a manufacturing process where a desired shape or part is created using the controlled removal of material, most often metal, from a larger piece of raw material by cutting.