PARTING PARTING USER GUIDE General Rules for Specific Applications Clamping / Extraction Instructions Chamfer and Cut-Off TANG-GRIP The tools are equipped with a user-friendly clamping and extraction device. 1 2 3 Extraction Side Break in and/ Chamfer Cut-off or groove Insertion Side ETG 8-12 Extractor for 8 to 12.7 mm inserts V-Belt Pulley Grooves 1 2 3 Extracting Clamping Break in Multiple plunge Bevel, plunge to depth at minor and turn towidth of grooveminor diameter The flat side of thepin must face up Neck Recessing 1 2 a ETG 5-7 (for 5-7 mm tools) ETG 2 (for 2 mm tools) ETG 1.4 (for 1.4 mm tools) Multiple plunge grooves Necking On neck turning, DOC (a)=up to Extracting Clamping size of insert corner radius Cut-Off on Eccentric Tubes Inserts with 4º lead angle are usually recommended for tubes. However, the combination of eccentric bore and machine resiliency may increase feed-snap on ETG 3-4 (for 3 and 4 mm tools) breakthrough and damage the cutting edge. Changing to 6º lead angle inserts will moderate breakthrough. Alternatively, inserts with an extra negative rake-land that strengthens the cutting edge are available on request. 542 ISCAR