/ TOOLS • Reduction of tool changing times. Today if we apply the high technology solutions in our • Posibility of using the same tool for threading blind or production processes, we have the opportunity to reduce the through holes. cycle production time, optimize our tools store and reduce • Reduction of setting times and machine adjustments. the environmental costs, all this bring us more competitive • Reduction of threading times due to high cutting speeds in the global markets. and feeds. Ferg have a large range of this BGF threading tools for cover • Allowstheproductionofthreadswithgreatsurfacefinis- the majority of the production threading needs, but also we hing and precise dime adapt cutting parame • Realization of desired nsions by being able to modify and design and provide customized solutions adapted to the ters. special customer requirements. / thread dimension simply by selec- ting the radial displacement. Cutting sequence with thread drill mills by interpolation – BGF In 2013 Ferg celebrates 50 years innovating in solutions for threading • Exactconcentricitywithintheinternalandexternalthread diameter. • Facility for threading difficult holes and complex pieces. • BGF mills exercise low cutting pressure facilitating the threading of thin wall pieces. • Production of small chips easy for extraction. 1.- Positioning BGF mill. 2.- Drilling and countersinking. 3.- Backing off for thread length adjustment. 4.- Run-in loop 180°, adjust to the thread milling size. 5.- Turn 360° for thread milling, interpolation with the thread pitch, around the mill axis. 6.- Run-out loop 180° to return the mill to the hole axis. 7.- Retracting the BGF mill to the start position. 58 /