New 16C And 3J Collet Indexing Systems Introduced
Hardinge introduces a revolutionary concept for large part indexing. Hardinge's world-renowned collet-ready A2-5 spindle is the heart of this indexing revolution. The same accuracy, precision and reliability that is built in the Hardinge lathe now extends to large-capacity indexers. A variety of standard 16C or 3J spindle tooling will mount directly in or on the high-precision spindle without the use of an adapter.
Hardinge adds the 16C and 3J indexers to their successful 5C product offering to provide rapid part positioning for all sizes, shapes and materials. Common spindle tooling can now be shared from indexer to lathe. Collets, expanding collets, step chucks and 3-jaw power chucks will automatically center the part and afford superior grip force for heavy cutting. Compare to your existing clamping method – improve accuracy and precision while eliminating lengthy set up! The collet spindle design means that gripping is in the spindle, closest to the spindle bearings, unlike surface-mounted adapters used on rotary tables.
A 6" (152.4mm) centerline is standard with a 1.625" (41.27mm) 16C, or a 1.750" (44.45mm) 3J through-hole capacity. A pneumatic collet closer provides 4560-pound (2068kg) draw bar pull. A .625" (15.87mm) stroke allows the use of "power" chucks. Removable eyehooks locate on the top or on the face of the indexer for installation to a mill table or assembly operation. The compact brushless indexer motor can be ordered for either left- or right-hand setup. The spindle has a true rolling element design with dual angular contact spindle bearings to accommodate heavy parts weights and high tailstock thrust. Precision spindle positioning is accomplished through a precision gear and worm set. Speeds can be reached up to 50 RPM or 300-degrees per second.
The 16C model will accept round stock capacities up to 1-5/8" (41.27mm), hex capacities up to 1-13/32" (35.71mm) and square capacities up to 1-9/64" (28.97mm). The 3J model will accept capacities of up to 1-3/4" (44.45mm), 1-17/32" (38.89mm) and 1-1/4" (31.75mm) respectively. Hardinge manufactures and stocks a large array of spindle tooling: collets; step chucks for up to 6" (152.4mm) outside diameters; Sure-Grip® expanding collets for up to 4" (101.6mm) internal diameter gripping; 3-jaw power chucks and fixture plates. Emergency collets and step chucks can be bored-to-size on location for JIT machining. Tailstocks are available to provide support for parts that exceed the 3:1 length-to-diameter ratio. Hardinge Super-Precision® Indexers will be available for machining higher precision medical and aerospace parts.
Hardinge indexing systems are compatible with most brands of vertical machining centers and knee mills. Hardinge's servo control will store up to 50 programs with up to 1000 steps in each program. The multiple line display means you'll be viewing all critical data, reduce scrolling and spend less time referring to the operator's manual. Infrared data transmission capabilities allow upload and download of programs from a pocket PC. 16C and 3J indexers can be used with a Hardinge servo control, actuated by "M" functions, or as a true 4th-axis of the machine.
SOURCE: Hardinge