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BIG KAISER is expanding its range of BIG Capto toolholders with the addition of a new size, C4, which is becoming increasingly popular as a quick-change system for turret tooling on lathes.
In accordance with ISO 26623-1, the polygon shape of the taper on this toolholder provides for highly repeatable accuracy and torque transmission. This system complements BIG KAISER’s Mega chuck rotating tooling program.
BIG Capto C4 is now offered for both rotating toolholders and turning tools for lathes. Its integral design allows for holding a variety of common inserts for different approach angles and clearance requirements in both left- and right-hand orientations. These compact and rigid tools also allow for large depth of cuts and feed rates.
Related Glossary Terms
- chuck
chuck
Workholding device that affixes to a mill, lathe or drill-press spindle. It holds a tool or workpiece by one end, allowing it to be rotated. May also be fitted to the machine table to hold a workpiece. Two or more adjustable jaws actually hold the tool or part. May be actuated manually, pneumatically, hydraulically or electrically. See collet.
- clearance
clearance
Space provided behind a tool’s land or relief to prevent rubbing and subsequent premature deterioration of the tool. See land; relief.
- feed
feed
Rate of change of position of the tool as a whole, relative to the workpiece while cutting.
- toolholder
toolholder
Secures a cutting tool during a machining operation. Basic types include block, cartridge, chuck, collet, fixed, modular, quick-change and rotating.
- turning
turning
Workpiece is held in a chuck, mounted on a face plate or secured between centers and rotated while a cutting tool, normally a single-point tool, is fed into it along its periphery or across its end or face. Takes the form of straight turning (cutting along the periphery of the workpiece); taper turning (creating a taper); step turning (turning different-size diameters on the same work); chamfering (beveling an edge or shoulder); facing (cutting on an end); turning threads (usually external but can be internal); roughing (high-volume metal removal); and finishing (final light cuts). Performed on lathes, turning centers, chucking machines, automatic screw machines and similar machines.
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