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Tenryu Grinds Explained

 

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ATB (Alternate Top Bevel)

  • Typical for cross-grain. Also used on ripping blades.
  

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FTG (Flat Top Grind)

  • Most effective when cutting with the grain.
 

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ATAF (Alternate Top Alternate Face

  • Extra sharp cutting tips reduce load on saw.
  • Face beveling divers cutting load left and right, instead of straight on.
  • Creates a better shearing action - expecially in cross-grain, natural wood
  

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TCG (Triple Chip Grind)

  • Centr of kerf is cut first, then FLAT-TOP RAKER cleans out chips and widens the cut
  • Commonly used for longer SHARP-LIFE in hard materials.
  • Also good for ripping if RAKE is POSITIVE
 

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ATAFR (Alternate Top Alternate Face w/ Raker

  • Also known as ATBR.
  • The FLAT-TOP RAKER sits LOWER, adds stability during the cut and helps clean out and eject chips.
  

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MTCG (Modified Triple Chip Grind)

  • Commonly used for mild steel cutting.
 

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HATB (High, Alternate Top Bevel)

  • Steep, top bevel angle grind, combined with unaggressive rake angle for chip free cuts in melamine and the finest plywoods.
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