AD-420 Thread Verification & Chasing Toolholders

NEW VISTA SUPERCOMPLIANT TOOLHOLDERS

AD-420, AD-620 and DRGN Series

— Permits tools to follow out-of-position and off-angle threads —

AD-620
AD-620 SHOWN
U.S. Patent 7,513,720. Other patents pending.

FEATURES

  • For use with a variety of thread-verification and thread-chasing powered Units.
  • Eliminates jamming, cross-threading and off-axis re-cutting due to difficulty in aligning the tool with the threaded feature.
  • Also used in applications where metallic adhesions (on the thread gage member or chasing tool) would otherwise be a problem.
  • Will find and follow threaded holes (or external threads) that are out of position up to 3.5mm (.140”) true position; and, for specialty applications, out of square up to 3º.
AD-620
AD-620
ad420
AD-420
Photo shows DRGN Quick-Change Toolholders in a multi-spindle cluster of 6. This particular set runs taper-shank solid carbide thread gage members.
Photo shows DRGN Quick-Change Toolholders in a multi-spindle cluster of 6. This particular set runs taper-shank solid carbide thread gage members.

SPECIFICATIONS FOR AD-620 AND AD-420

MODEL SERIES AD-620 AD-420
OUTSIDE DIAMETER Ø44.5mm (Ø1.75”) Ø40mm (Ø1.59”)
OVERALL LENGTH 100mm (3.97”) 89mm (3.50”)
MAX. OFFSET FROM CENTERLINE 1.85mm (.073”) (Ø3.70mm or Ø.146” true position) 1.75mm (.069”) (Ø3.50mm or Ø.138” true position)
MAX RPM 2,200 3,600
TORQUE RATING 50 N-m (37 ft.-lb.) 30 N-m (22 ft.-lb.)

SPECIFICATIONS FOR DRGN TYPES

The DRGN Series Toolholders are supplied in three sizes. They are used in a variety of high production applications, often where Auto-Change or Quick-Change features are required, or where clearances are limited.

In the smaller sizes they will accommodate Ø1.20mm (Ø.048”) true position, which is an offset from centerline of 0.60mm (.024”). The larger sizes will accommodate Ø2.00mm (Ø.080”) —— an offset of 1.00mm (.040”). Angularity compliance settings are available up to 1-1/2⁰.

Applications Assistance

An Application Form is available from the New Vista website: https://www.newvistacorp.com/contact/. Fill in the blanks and send it to [email protected]. Or you can get help by calling this U.S. telephone number: 410-342-3820, then 0, and then ask for Applications Assistance. We speak English and Spanish. A New Vista Applications Engineer will help you select the proper Thread Unit and Thread Gage or Chasing Members — and work with you if you need a special, or a system.