Общий каталог Widia 2017 - страница 694

• Table of Contents
• Turning
• Turning • ISO Inserts
• Turning • Tools for External Turning and Internal Boring
• Turning • Tools for External Turning and Internal Boring
• Turning • Tools for Small Hole Boring
• com E1Turning • Grooving and Cut-Off
• Turning • Threading
• Indexable Milling
• Indexable Milling • Face Mills
• Indexable Milling • Chamfer Mills
• Indexable Milling • 90° Shoulder Mills
• Indexable Milling • Helical Mills
• Indexable Milling • Slotting Mills
• Indexable Milling • Copy Mills
• Solid End Milling
• Solid End Milling • High-Performance Solid Carbide End Mills
• Solid End Milling • General Purpose Solid Carbide End Mills
• Solid End Milling • High-Performance High-Speed Steel (HSS-E/PM)
• Solid End Milling • Burs
• Holemaking
• Holemaking • High-Performance Solid Carbide Drills
• Holemaking • Modular Drills
• Holemaking • Indexable Drills
• Holemaking • Modular Drills
• Holemaking • Indexable Drills
• Holemaking • Hole Finishing
• Tapping
• Tapping Portfolio
• Index by Order Number
• Index by Catalogue Number
• Global Contacts
• Informational Icons Guide
• Material Overview • DIN

Technical Information TopThread™ American Buttress (45° Clearance Flank Leading): NTB-B Inserts • PULL-type Insert vs. Toolholder Orientation chuck chuck external internal anti-clockwise rotation antianti-clockwise rotation NTB-2RB NTB-3RB NTB-4RB feed insert NTB-2LB notchsealing NTB-3LB45° clearanceflank of theNTB-4LB45° 45° clearance flank of surface intoolholderfeedthe thread being theinsertsealing thread being leading flank notch surface the leading flank NTB-2RB in bar NTB-3RB NTB-2LB NTB-4RB NTB-3LBNTB-4LB Internal Buttress External Buttress 45° clearance flank leading 45° clearance flank leading 45° clearance flank leading Reference Dimensions Infeed Angle vs. Chip Load: 45° Clearance Flank Leading “A” reference .010" infeed .010" infeed nose radiusD .0052"chip load .007".0039"chip loadchip load.0012"chip load maximum depth with “B” style insert 15° infeed angle 0° infeed angle NTB-B insert D “A” reference nose radius pitch based on insert (inch) (inch) (inch) maximum radius NTB-3B .171 .031 .005–.004 8–16 TPI NOTE: For balanced chip load, a reverse 15° infeed angle is suggested. Internal Threading Limitations internal threading limitations internal threading limitations NTB-2B Buttress threading inserts NTB-3 and NTB-4B Buttress threading inserts TPI nominal minimum minor TPI nominal minimum minor thread size diameter thread size diameter (inch) (inch) 8 1-3/4 1.600 4* 2-7/8 2.575 10 1-5/8 1.505 5 2-3/4 2.510 12 1-1/2 1.400 6 2-3/8 2.175 16 1-1/4 1.175 8 2-1/8 1.975 20 1-1/16 1.002 10 1-7/8 1.755 12 1-5/8 1.525 16 1-1/2 1.407 20 1-7/16 1.378 *NTB-4B insert only. F96 widia.com