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TFB Pressure and Clamp Dies

Pressure Dies for benders with pressure die assist can benefit from grit blast or carbide spray tube grooves. This allows for more advancing force without slippage. Even serrated tube grooves can be used for automotive or for rough surfaced pipe. Length of pressure die equals the arc length of largest bend die + 2 x O.D. or minimum length required to mount on bender. For longer tool life, pressure dies can be machined to allow either end to be located at tangent. Pressure dies with worn, slick or oversized tube grooves prolong set-up time and allow wrinkles and excessive collapsed bends.

Clamp die surface options include: carbide spray, serrations, grit blast, or knurl.

Clamp die length generally equals 3 x Tube O.D. Without a sufficiently long straight clamp area, special tube groove surfaces can be used; grit blast, carbide spray, serrations, etc. Less than 2 x O.D. for grip sections may require compound clamp die and matching bend die clamp inserts. For multiple bend die machines, we can furnish stacked tooling from your bent tube print.

Specify:

  1. Tube O.D. and C.L.R.
  2. Make and Size of Bender
  3. Degree of Bend
  4. Tool Material and Hardness
  5. Location of Half Round