425 Каталог ISCAR 2017 Токарный металлорежущий инструмент и инструментальная оснастка Стр.421

Каталог ISCAR 2017 Токарный инструмент и оснастка Стр. 421 0425 ENG Lab2u

PARTING USER GUIDE General Rules for Specific Applications Chamfer and Cut-Off 1. Break in and/or groove 2. Chamfer 3. Cut-off V-Belt Pulley Grooves 1. Break in 2. Multiple plunge to depth at minor width of groove 3-4. Bevel, plunge and turn to minor diameter Neck Recessing 5. Multiple plunge grooves 6. Necking On neck turning, DOC (a)=up to size of insert corner radius Cut-Off on Eccentric Tubes Inserts with 4° lead angle are usually recommended for tubes. However, the combination of eccentric bore and machine resiliency may increase feed-snap on breakthrough and damage the cutting edge. Changing to 6° lead angle inserts will moderate breakthrough. Alternatively, inserts with an extra negative rake-land that strengthens the cutting edge are available on request. Clamping / Extraction Instructions The tools are equipped with a user-friendly clamping and extraction device PARTING LINE ETG 5-7 (for 5-7 mm tools) ETG 2 (for 2 mm tools) ETG 1.4 (for 1.4 mm tools) ETG 8-12 Extractor for 8 to 12.7 mm Inserts Extraction Side Insertion Side 421 PARTING