Cutter wheel

Cutter wheel

  • CN 101,987,776 B
  • Filed: 07/30/2010
  • Issued: 07/15/2015
  • Est. Priority Date: 07/31/2009
  • Status: Active Grant
First Claim
Patent Images

1. the slitter wheel of a brittle substrate, it is characterized in that:

  • the outer peripheral edge along circle has two sections of sword faces, this sword face comprises the first sword face of the cross section V shape of the crest line being formed with into the first crest line angle φ

    1, and is connected to the second sword face of root side in the first sword faceThe second virtual crest line angle φ

    2 that second sword face is formed as being formed when extending to the first side, sword face for being less than the angle of the first crest line angle φ

    1,The groove that crest line along the first sword face arrives the degree of depth in the second sword face is periodically formed,The outer diameter D in the first sword face is 1mm ~ 10mm, and the first crest line angle φ

    1 is 100 °

    ~ 160 °

    ,Second crest line angle φ

    2 is 10 °

    ~ 90 °

    , and the minimum width W in the second sword face is 2 μ

    m ~ 200 μ

    m,The degree of depth of described groove is 2 μ

    m ~ 50 μ

    m, andThe first sword face and the second sword face is made together to cut processed substrate and form line.

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