The JB Power Chuck eliminates the need for costly conventional boring rings and pre-machined slugs.
A standard hex head Allen Wrench is the only tool required to bore jaws.
The JB Chuck features a proprietary rotating sleeve aligned with the chuck’s master jaws allowing machinists to quickly and conveniently bore soft jaws without conventional boring rings or slugs.
100% compatible with Standard chucks (HS, MH Series)
Application / Benefits
Eliminates boring rings
Reduce set-up time for boring soft jaws by 90%
Bore soft jaws in fine increments of 0.1mm
Extend the life of soft jaws
Samchully’s JB range is available in 8 models (JBM-306, JBM-308, JBM-310, JBM-312, JBH-306, JBH-308, JBH-310, JBH-312)
Easy adjustment – minimizes downtime up to 90% by eliminating cumbersome calculations and adjustments.
Extends the life of soft jaws – Standard hydraulic chuck jaws must be bored in increments of at least one serration pitch, 1.5 mm (0.059”). The JB Chuck’s scroll curve provides much finer adjustment capabilities, allowing customers to bore jaws in significantly smaller increments of just 0.004” (0.1 mm). This feature extends the lifespan of soft jaws by enabling them to be bored up to 15 times more than the jaws of a standard power chuck.
Extended jaw boring range – The JB Chuck increases the maximum boring diameter 20% by eliminating the boring ring that attaches to the jaw mounting bolts.
Precision – Achieves runout of 0.0004” (0.01mm) with bored jaws. The JB chuck achieves the same level of accuracy you’ve come to expect from a premium quality Samchully power chuck.
Robot ready – Standard power chucks are challenging to integrate with automation, as boring the jaws requires manual intervention. The JB chuck has the unique capability of automating this process.
Please find the specification PDF below for clearer viewing.
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