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The most common application of spotfacing (spot facing) is facing the area around a bolt hole where the bolt's head will sit, which is often done by cutting a shallow counterbore, just deep enough "to clean up"—that is, only enough material is removed to get down past any irregularity and thus make the surface flat. [1]
In machining, facing is the cutting of a flat surface perpendicular to some axis of the workpiece. This can be applied in two different areas: This can be applied in two different areas: Facing on a milling machine (perpendicular to the axis of movement), which involves various milling operations, but primarily face milling .
Wood being softer than most metals, drilling in wood is considerably easier and faster than drilling in metal. Cutting fluids are not used or needed. The main issue in drilling wood is ensuring clean entry and exit holes and preventing burning. Avoiding burning is a question of using sharp bits and the appropriate cutting speed.
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Additional spindles can be fitted with pre-spaced cutter heads when more are needed for a job than fit on one. A wood moulder (American English) is similar to a shaper, but is a more powerful and complex machine with multiple cutting heads at both 90-degrees and parallel to its table. A wood shaper has only a single cutting head, mounted on a ...
Wire fences are typically run on wooden posts, either from trees commercially grown in plantations or (particularly in the American West) cut from public lands. When less expensive or more readily available than wood, steel T-posts or star posts are used, usually alternating every 2 to 5 steel posts with a more stable wood post. Non-electrified ...
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Image credits: historycoolkids #3. Ronald (left) and Carl McNair (right) were born 10 months apart in the Segregated South. The two were inseparable as toddlers and well into adulthood.