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.
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.