Correct Spindle Mount For Your Application
For the short taper spindle noses Type A, D and C
(DIN) measure the pilot diameter and length, bolt circle
diameter and diameter of the holes.
In the case of an A type mount check the number of bolt circles
(one for A2 and two for A1). All chucks with a1 mount can be
installed on a-1 spindle nose only.
All chucks with A2 mount can be installed on A1 or A2 spindle
Long Taper Spindles
For the long taper spindle noses (Type L), check the pilot
diameter, length and thread size.
For the threaded spindle noses, check the thread diameter,
number of threads per inch and length, pilot diameter and
length, plus overall length.
for detailed spindle dimension drawings
Correct Type Of Chuck.
Scroll Type Manual Chuck
(Manual Actuated Self-Centering - available in 2-jaw, 2-3 jaw,
3-jaw, 4-jaw, and 6-jaw models)
A manual type chuck is actuated by using a t-handle wrench
inserted into the access holes on the outside diameter of the
chuck. When the t-handle wrench is inserted into the
actuating hole and turned clockwise it turns an internal scroll.
The actuation of the scroll in turn causes the jaws to move
simultaneously with exactly the same amount of movement
toward center. If the t-wrench is turned counter clockwise the
jaws move outward toward the outside of the chuck. The manual
chuck may be equipped with solid one piece jaws or 2 piece jaws
with a removable top jaw.
Chucks (Manual Actuated Not Self-Centering - available with
An independent jaw chuck is designed with 4 jaws which may be
moved independently of on another. A t-handle wrench is used to
actuate a screw on each jaw independently. When the t-wrench in
inserted into the end of a jaw screw and turned clockwise the
jaw moves to the center of the chuck. These chucks may be used
to center an irregular shaped work part or to position a work
part off center by choice. Independent chuck are available
with solid one piece jaws or 2 piece jaws with a removable top
Combination Jaw Chucks (Manually actuated)
chuck combines the scroll self-centering action of a scroll
chuck with the independent jaw movement of an independent jaw
chuck. This chuck may be used as a scroll chuck and move all
the jaws simultaneously or one jaw at a time. Combination
chucks are available with 2 piece jaws with a removable top jaw.