167 Ames Street Rochester, NY USA, 14611 • 1-800-288-ROLL (7655)

 
 

The 234 Rotary Radial

 
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234-SA Series Thread Rolling Capacity:
0-80
to
3/4-32
1/16-27 NPT
to
3/8-18 NPT

M1.4 x 0.3
to
M18 x 2.5

Widen Your Range of Threading Applications!

Greater Production Flexibility, Better Thread Quality, Easy Set-up,
Less Machine Interference, and Adjacent-to-Shoulder Threading Capability.

  • A broader range of threads increases the thread rolling capacity
    to include thread sizes from #0-80 to 3/4-32, thus exceeding the
    combined capacity of 4 of the 5 heads it was designed to replace,
    and overlaps most of the capacity of the fifth.
  • Close to shoulder rolling within .125” (depending on the application, the 234 could roll up to a shoulder .750” larger than the thread minor).
  • Thread Lengths have a maximum workface of .750”
  • In most cases the 234 can roll threads behind a shoulder or on both sides of a shoulder at the same time, or roll threads as far as 1.740” in from the end of the part.
  • The "linear slide" concept provides the user with complete control over roll in-feed and RPM using existing machine controls.
  • Reduces or eliminates most thread rolling problems associated with aggressive single-revolution feeds.
  • The Model 234 will work with a standard Hydromat recessing spindle
    so extra parts or custom spindles are not required.
  • Equipped with a timing compensator:
    - rolls adjust to each other during the cycle making up for inherent timing inaccuracies
    - increases life of rolls and attachment components
  • A 5.0” head diameter fits the tightest applications with less chance of tool interference than larger end-style heads.
  • A compact 4.0" height from spindle to nose allows longer parts to fit between the 234 and the part collet.