ASME B5.60B-2009 pdf free download.WORKHOLDING CHUCKS: JAW TYPE CHUCKS.
ASME B5.60B establishes technical requirements for workholding chucks used primarily in turning operations. It covers jaw type chucks whether manual or power operated.
2 SCOPE
This Part ot the ASME B5.60 Standard covers the interface of two-piece chuck jaws.
3 DEFINITIONS OF TERMS
fasteners: accessory devices (usually threaded) that are used to secure the top jaw onto the master jaw (see Fig. I).
groove (slot): a recessed geometric form that receives a tongue. key. or jaw nu for positioning the top jaw with the master jaw.
hard top jaw: a top jaw that is made to its final size of hardenahie steel. It is flot intended to he machined in use.
jaw interface: geometric forms with fastening elements that position and secure top jaws to master jaws (see Fig. 2).
jaw ,iia: the fastener used in the master jaw for securing and, in some designs, positioning the top jaw with the master jaw.
jaw-nut slot: a T-slot in the master jaw for receiving a jaw nut.
master jaw (base jaw): radial-moving part within the chuck body to which the top jaw is mounted.
master jaw pins: precision pins that position the top jaw with the master jaw.
master key: a serrated positioning key. secured in the top jaw.
monohiock (solid style jaw): a one-piece combination master and top jaw.
serration: a repetitive geometric form for radial positioning the top jaw with the master jaw.
soft top jaw (blank jaw): a top jaw that is not heat- treated and is formed prior to usage.
tongue: the projected geometric form that aligns the top jaw with the master jaw.
top jaw: component that clamps the workpiece and is mounted on a master jaw.
4 CHUCK JAW INTERFACE TYPES
Sec Table 1 for top jaw features.