Общий каталог Widia 2017 - страница 690

• 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™ The following charts list the largest thread pitch that can be applied on internal applications using TopThread threading inserts for 60° V-threading and Acme threading. nominal thread minimum minor diameter size (minimum bore) (maximum diameter) Metric-sized 60° V-Threading Limits Acme Threading Limits internal threading limitations internal threading limitations NT-1, NT-2 60° V-threading inserts NA and NAS-2, -3, -4, and -6 Acme threading inserts nominal minimum nominal minimum thread size thread diameter (mm) thread size thread diameter (mm) TPI NT-1 NT-2 NT-1 NT-2 TPI NT-1 NT-1 NT-2 4,00 M48 x 4.00 – 43,67 – 2** 5 4.500 114.3 3,00 M42 x 3.00 – 38,75 – 2-1/2** 4-1/2 4.100 104.1 2,50 M39 x 2.50 M24 x 2,50 36,29 21,29 3** 4 3.665 93.1 2,00 M33 x 2.00 M15 x 2,00 30,84 12,84 4 3-1/2 3.250 82.6 1,75 M32 x 1.75 M15 x 1,75 30,11 13,11 5 3 2.800 71.1 1,50 M32 x 1.50 M15 x 1,50 30,38 13,38 6 2-1/2 2.333 59.3 1,25 M29 x 1.29 M14 x 1,25 27,65 12,65 8 2-1/4 2.125 54.0 1,00* M27 x 1.00 M14 x 1,00 25,92 12,92 10 2 1.900 48.3 0,75 M22 x 0.75 M12 x 0,75 21,19 11,19 12 1-3/4 1.667 42.4 14 1-5/8 1.554 39.5 *Thread pitch of 1mm and less can be cut with an NT-2 insert provided the core thread diameter is 25mm or larger (11mm or larger with NT-1). 16* 1-1/2 1.438 36.5 *Sixteen threads per inch and finer can be cut provided minor diameter is 36,5mm or larger. internal threading limitations **NA-6 insert only. NT-3 and NT-4 60° V-threading inserts nominal minimum TPI thread size thread diameter (mm) 6,00** M76 x 6.00 69,50 increase clearance 5,50** M73 x 5.50 67,05 5,00 M70 x 5.00 64,59 4,00 M64 x 4.00 59,67 3,00 M52 x 3.00 48,75 2,50 M48 x 2.50 45,29 Additional secondary clearance can be ground on leading edge of insert 2,00 M42 x 2.00 39,84 to provide sufficient helical clearance for machining coarser threads and 1,75 M40 x 1.75 38,11 multiple start threads. Modified standard inserts may be furnished formachining threads outside of the limits shown. 1,50* M38 x 1.50 36,38 *Thread pitch of 1,5mm and less can be cut provided core thread diameter is 35mm or larger. **NT-4-insert only. F92 widia.com