These chucks are called Master
Gripping Chucks because the Jaws of these chucks are split into two parts.
Master jaws (base jaw) and top soft Jaws Master Jaws has a slot on the Top,
which helps to Mount reversable Top Hard Jaws &Top Soft Jaws with Bolts. They
are highly used Chucks in Industry. The Top Jaws are mounted on Base Jaws with
Allen Bolts. It is possible to mount many top Jaws on same base jaws to provide
suitable and quick grip to a variety of jobs. The base Jaws can also be mounted
with soft Jaws, in case of second operation, when higher repetitive gripping
accuracy is required. When soft Jaws are used you can have repetitive accuracy
of (.015mm) 15 microns. The chuck is supplied with one Top Hard reversible jaw
set and a Set of Soft Jaws.
These Chucks are available in 160, 200, 250, 315 & 400 mm sizes and are supplied in 2 Jaw, 3 Jaw, 4 Jaw and 6 Jaws configuration.