Chipbreaking Inserts Improve ID Grooving

The company launched a line of improved CUT-GRIP grooving inserts for ID grooving that features the N-type chip former that has proven effective in OD turning of problematic metals. 

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The company launched a line of improved CUT-GRIP grooving inserts for ID grooving that features the N-type chip former that has proven effective in OD turning of problematic metals. Internal groovers with the advanced chip former are available for diameters down to 22 mm (0.866”).
 
In OD grooving applications, the N-type chip former is said to have outperformed competitors in numerous automotive parts in steels that consistently prove excellent performance compared with other chipbreakers: 42CrMo4, 20MnCr5 38MnVS6, 1045 and 4340. Several Tier-One suppliers report that it begins to reliably break up chips at feed rates as low as 0.002”/rev. By switching from a J-type to an N-type chip former, one manufacturer of pinion gears in a 4340-like steel virtually doubled both hourly output and tool life and eliminated a chip disposal problem. 
 
The expanded CUT-GRIP line includes double-ended GINI inserts for ID turning and grooving and new sizes of GIMN 302 inserts in grade IC907.