Tungaloy has expanded its AddInternalCut groove turning tool series to include new TCIG12 inserts as well as additional TCIG10 inserts that allow a maximum groove width of 3.0 millimeters (.118 inches) in bores as small as 10.5 millimeter (.413 inch) diameter.
AddInternalCut features uniquely designed economical inserts with four ground-to-precision cutting edges that can produce internal grooves in small bores of 10.5 millimeter (.413 inch) diameter and larger.
Using an indexable insert for internal grooving is limited by bore diameter. Conventional internal grooving inserts, therefore, have a single cutting edge or double at best.
AddInternalCut carries ground-to-precision inserts with four cutting edges to economically perform demanding internal grooving operations. The toolholders provide secure insert clamping, ensuring tool stability and smooth chip evacuation during machining.
The new TCIG12 inserts and toolholders enable a maximum radial depth of cut of 3.0 millimeters (.118 inches) and groove widths ranging from 1.5 millimeters (.059 inches) to 3.0 millimeters (.118 inches) in a minimum bore diameter of 13 millimeters (.512 inches). In addition, the successful TCIG10 insert line now includes 3.0 millimeter-wide inserts and are mounted on existing toolholders, eliminating the need for additional tool investments.
All TCIG inserts have ground-to-precision sharp cutting edges that provide reduced cutting forces during machining. Using these high precision inserts with toolholders with secure insert retention mechanism will ensure chatter-free stability and reliability in challenging internal grooving operations of miniature parts.
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Related Glossary Terms
- depth of cut
depth of cut
Distance between the bottom of the cut and the uncut surface of the workpiece, measured in a direction at right angles to the machined surface of the workpiece.
- grooving
grooving
Machining grooves and shallow channels. Example: grooving ball-bearing raceways. Typically performed by tools that are capable of light cuts at high feed rates. Imparts high-quality finish.
- indexable insert
indexable insert
Replaceable tool that clamps into a tool body, drill, mill or other cutter body designed to accommodate inserts. Most inserts are made of cemented carbide. Often they are coated with a hard material. Other insert materials are ceramic, cermet, polycrystalline cubic boron nitride and polycrystalline diamond. The insert is used until dull, then indexed, or turned, to expose a fresh cutting edge. When the entire insert is dull, it is usually discarded. Some inserts can be resharpened.
- 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.
