KAR - Catalogue 2012

Turning
Lathe Chuck Grease
TURNING, MILLING & WORK HOLDING
Code
355326
Lathe Chucks - Technical Information
Determining Proper Spindle Nose Type and Size
NOTE: Bison chucks meet all requirements of ASA Standard B5.9-1960. For spindle nose accuracy (T.I.R.)
SELECTING THE CHUCK MOUNT
Choose from the types shown below
For the short taper spindle noses Type A, D and C (DIN) measure the pilot diameter and length (sizes B and C), bolt circle diameter (size F1
and F2) and diameter of the holes (size E1 and E2). In the case of Type A mount check the number of bolt circles (one for A2 mount or two for
A1 mount). All chucks with A1 mount can be installed on A1 spindle nose only. All chucks with A2 mount can be installed on A1 or A2 spindle
noses.
For the long taper spindle noses Type L, check pilot diameter, length and thread size (size A, C and B)
For the threaded spindle noses, check the thread diameter, number of threads per inch and length (sizes A and E), pilot diameter and length
(sizes B and D), plus overall length (size F1)
Spindle Type A1 and A2
TYPE A1 is exactly as shown with tapped holes in both inner and outer bolt circles.
TYPE A2 is same as shown except omit holes in inner bolt circle.
Spindle Type D1 - Camlock
NOTE: Camlock stud length is adjustable to suit spindle cam
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