Widia Internal Laydown Technical Information Threading Required Information chuck jaws From Part Drawing material 4140 steel thread form tolerance

Widia Internal Laydown Technical Information Threading Required Information chuck jaws From Part Drawing material 4140 steel thread form tolerance operation ISO R262 2,5mm pitch ISO Metric Class 6G/6H internal threading pitch diameter 40mm x 35mm deep From Machine Setup Data tooling 20mm boring bar spindle rotation clockwise feed away from chuck ISO R262 2,5mm pitch 50mm deep feed CW rotation Steps for a Successful Threading Operation Step 1 Determine Threading Method Need to Know Operation (internal). Spindle rotation (CW). Clockwise rotation. Feed direction (away from chuck). Left-hand toolholder. Left-hand insert (NL). Reverse helix method. Step 2 Select Insert A Need to Know Thread form (ISO Metric Class 6G/6H). Hand of insert (left hand NL). Choose the High-Performance Solution Catalogue number Обозначение инструмента по каталогу insert size TN6025 3IL25ISO 3 High-Performance Selection NOTE Use insert with largest possible insert size to go into the bore. insert 3IL25ISO grade TN6025 speed 130 m/min Step 3 Select the Grade and Speed Need to Know Workpiece material (4010 steel). Operation (internal). Options Grade and Speed Selection Guidelines threading operation steel internal general purpose and high performance TN6025 40-200 m/min Step 4 Select Toolholder Need to Know External or internal operation (internal). Pitch diameter to determine minimum bore diameter for internal operations (40mm). Type of tooling toolholder, boring bar (boring bar). Hand of tool (left hand). I nsert size (16). Options Step 5 Select Shim Need to Know Thread form TPI or pitch (2,5mm pitch). Pitch diameter (40mm). Helix method (reverse). See Laydown Threading (LT) shim selection chart. Select SM-YE3 NOTE For this application, the standard shim supplied should be replaced with the recommended shim, SM-YE3. Catalogue number Обозначение инструмента по каталогу insert size shim AVR32D3R 3 SM-YE3 F99