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  2. Speeds and feeds - Wikipedia

    en.wikipedia.org/wiki/Speeds_and_feeds

    However, larger diameter drill bits do require slower speeds to avoid burning. Cutting feeds and speeds, and the spindle speeds that are derived from them, are the ideal cutting conditions for a tool. If the conditions are less than ideal then adjustments are made to the spindle's speed, this adjustment is usually a reduction in RPM to the ...

  3. Annular cutter - Wikipedia

    en.wikipedia.org/wiki/Annular_cutter

    HSS core drills are made from high-speed steel material. These are the most popular core drills or annular cutters in the market. HSS core drills are cheaper for smaller diameters i.e. 40 mm. The HSS core drill, unlike the TCT core drills, has the ability to re-sharpen. HSS core drills are re-sharpened and used until the desirable length is ...

  4. High-speed steel - Wikipedia

    en.wikipedia.org/wiki/High-speed_steel

    High-speed steel (HSS or HS) is a subset of tool steels, commonly used as cutting tool material. It is superior to high-carbon steel tools in that it can withstand higher temperatures without losing its temper (hardness). This property allows HSS to cut faster than high carbon steel, hence the name high-speed steel.

  5. Machinist calculator - Wikipedia

    en.wikipedia.org/wiki/Machinist_calculator

    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 cut time (CT ...

  6. Should you throw out your black plastic cooking utensils? - AOL

    www.aol.com/lifestyle/black-plastic-spatulas...

    New details about a study that warned against black plastic spatulas and other kitchen tools have come out. (Getty Creative) (Анатолий Тушенцов via Getty Images)

  7. Machinability - Wikipedia

    en.wikipedia.org/wiki/Machinability

    Machinability Rating= (Speed of Machining the workpiece giving 60min tool life)/( Speed of machining the standard metal) Machinability ratings can be used in conjunction with the Taylor tool life equation, =, in order to determine cutting speeds or tool life. It is known that B1112 has a tool life of 60 minutes at a cutting speed of 100 sfpm.

  8. Barn Cat Blows Off Work To Hang With Senior Horse Best ... - AOL

    www.aol.com/lifestyle/barn-cat-blows-off-hang...

    In this video, we meet Peaches, an average barn cat who doesn’t mind blowing off work to chill with her BFF, a senior horse.Though Peaches was adopted and given a home in this family’s barn to ...

  9. Millions hurt by credit repair firms to share $1.8 billion in ...

    www.aol.com/millions-hurt-credit-repair-1...

    More than 4 million Americans gouged by credit repair companies including Lexington Law and CreditRepair.com will soon collectively receive $1.8 billion in refund checks, the Consumer Financial ...

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