Standard Grooving Tools for Turbo Machinery

To meet the growing demand from the energy/powergen sector, Iscar has designed a line of extra-strength standard grooving tools for efficient and secure machining of T and L slots so common in turbo machinery.

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To meet the growing demand from the energy/powergen sector, Iscar has designed a line of extra-strength standard grooving tools for efficient and secure machining of T and L slots so common in turbo machinery. Previously, such tools were available only as specials and in more lightweight designs. Key applications include T grooves on turbine disks, rotors and casings made of superalloys.

Huskier than any comparable standard or special available today, the LPGIR insert provides a rigid platform with a choice of chipformers suited for either OD or ID work in long or short chipping materials. The cutting tip is very thick and longer for strong gripping. This heavy duty design brings a level of rigidity that improves finishes and enhances process security in high added-value components. By minimizing the risk of catastrophic tool fracture and reliably prolonging “time in the cut,” LPGIR inserts permit untended operation.

For reliable chip evacuation in grooving and to meet widespread market preferences, advanced ground chipformers generate long segments and, to minimize recutting, it’s best to direct them out of the tightest groove, according to the company. The PR-type chipformer handles both right- and left-hand cuts; the asymmetric T-type chipformer cuts only to the left. Also available as a standard is the P-type chipformer for limited, less challenging operations including short chipping metals. Additional chipformers are available on request.
 
LPGIR/L inserts are available in a width range of 2 - 5 mm (0.079”-197”), and can handle grooving depths up to 6.5 mm (0.256”). Matching HLPGR/L tools cover the size range to ensure system rigidity in all cases.