• MMS Youtube
  • MMS Facebook
  • MMS Linkedin
  • MMS Twitter
2/27/2019

Internal-Grip Chucks Strengthen Hold with Pull-Back Clamping

Facebook Share Icon LinkedIn Share Icon Twitter Share Icon Share by EMail icon Print Icon

Eastec 2019: Northfield Precision Instrument Corp.’s line of custom internal-grip collet chucks features a 0.0001" total indicator reading (TIR) or less.

Northfield Precision Instrument Corp.’s line of custom internal-grip collet chucks features a 0.0001" total indicator reading (TIR) or less, uniform holding pressure, the ability to change collets without indicating, and pull-back action on clamping. The internal grip chucks are available in coolant or air blast through models.

The chucks have diameters as small as 6 mm, with the ability to grip parts ranging to 115 mm. The chucks are air-actuated with an internal self-contained actuator, using the same air tubes as Northfield’s air chucks and diaphragm chucks.

As the chucks are actuated, the collet is drawn over a cone to give it maximum rigidity and pull-back action, ensuring the part is seated against the hard stop. As an option, coolant or air blast through the center can pump coolant from the spindle side of the workpiece. Other options are to use air-detect part-seat sensing or chip blow-off, the company says.

Hand holding a crystal ball

We’d rather send you $15 than rely on our crystal ball…

It’s Capital Spending Survey season and the manufacturing industry is counting on you to participate! Odds are that you received our 5-minute Metalworking survey from Modern Machine Shop in your mail or email. Fill it out and we’ll email you $15 to exchange for your choice of gift card or charitable donation. Are you in the U.S. and not sure you received the survey? Contact us to access it.

Help us inform the industry and everybody benefits.

RELATED CONTENT

  • Too Small To Touch

    Hummingbird takes on machining work that is too small for most shops to handle. In fact, Hummingbird tries not to handle it either. To accurately machine the tiniest parts, this shop relies on processes that are as hands-off as possible.

  • Bar Puller Basics

    Bar pullers are cost-effective alternatives to enable automated turning on CNC lathes. This article explains how they work and how shops can benefit from using them.

  • Small Engine Precision Fuels Fifth-Axis Production Concept

    The challenge holding tight tolerances for its billet RC helicopter engine components drove this company to develop an innovative fifth-axis tombstone device to complete multiple parts on an HMC in one setup.

Related Topics

Resources