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  Antivibration Tools

In a conventional method we can use tool steel for boring or reaming tools upto L/D (Length/Diameter) ratio of 5 due to its low static stiffness & damping ratio. Due to this it can be operated at relatively low RPM.

For large L/D ratios of more than 5, carbide or high density material is used because of its relatively static stiffness & damping properties against tool steel. This high density material can machine only upto 7 L/D without chattering & has following disadvantages.
  • Cannot use high cutting parameters due to small increment in specific stiffness.

  • Due to large hardness, machining is difficult & costly.

  • Due to high specific weight, tool becomes very heavy. Center of shifts from center particularly when operation is horizontal (HMC or SPM).

  • High cost of raw material as well as manufacturing.

  • Handling is also a key concern, due to its brittle nature & bulky weight.

Therefore we use advanced carbon fiber boring bar for antivibration boring which has following advantages over conventional methods,
  • 1/3 rd weight of steel boring bars

  • times dampening than of steel

  • 4times dynamic stiffness than of carbide or high dense tools

  • increased cutting parameters due to ultra light weight design

  Antivibration Tools
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