Общий каталог Sumitomo 2019 - 2020 - страница 406

Threading Tools HF HBH BH 2.5W1 PDXPDXPDX Max. 0.05 SEC-Threading Tools STH Type Screw-on External for External Diameter STH Fig 1 Metric ThreadWhitworth Thread External Threading 7 LF Maximum machining step=6.5 F HBL Figure shows right hand (R) tool. Holder Parts Dimensions (mm) Stock Height Width Overall Cutting EdgeLengthHeightStep BottomOffset Flat Screw Wrench Cat. No. R L H B LF HF HBH HBL ApplicableInsert Fig STH R/L0810 ●● 8 10 120 8 4 15STH R/L1010●●101012010215 11 BFTX0410NTW STH R/L1212F ●● 12STH R/L1212●●12STH R/L1616H●●161285 1212120121610016 QQQ 1515 TH R/L Type15 111 BFTX0412NTW RT08 STH R/L1616 ●● 16 16 120 16 Q 15 1 STH R/L2020 ●● 20 20 80 20 Q 15 1 BFTX0410NT LT25NT Insert ( Coated Carbide) Dimensions (mm) Cat. No. ACZ150RL Pitch mm Threads/Inch Overall Length L Height W1 Nose Radius RE X direction PDX Thread Ridge Angle PNA Cutting Edge Shape Applicable Holder Fig Fig 1 RE PNA TH R/L6002075A ● ● 0.20 to 0.75 Q 20 8 Q 0.40 60 (A) 1 Fig 2 (A) Flat Shape (B) Radius TH R/L6002075B ● ● 0.20 to 0.75 Q 20 8 Q 0.40 60 (A) 2 RE TH R/L6005125A ● ● 0.50 to 1.25 Q 20 8 0.05 0.80 60 (B) 1 PNA TH R/L6005125B ● ● 0.50 to 1.25 Q 20 8 0.05 0.80 60 (B) STHType2TH R/L601015N●●1.00 to 1.50Q2080.101.2560(B)3 L 50° Fig 3 RE TH R/L550515A ●● 0.529 to 1.58 48 to 16 20 8 0.05 0.80 55 (B) 1 PNA TH R/L550515B ●● 0.529 to 1.58 48 to 16 20 8 0.05 0.80 55 (B) 2 Figure shows right hand (R) tool. Holder/Insert Combinations Feed Direction Right Hand Left Hand Cutting Edge Position Guide Bush Side Back Turning Side Guide Bush Side Back Turning Side Guide Bush Threading Illustration Holders STH R (Right Hand) STH R (Right Hand) STH L (Left Hand) STH L (Left Hand) Insert TH R····A TH R····B TH L····B TH L····A It is often used in common tooling for Often used when a thread is at the middle With a left hand holder used, a suf cient cutting distance can be kept since the cutting workpieces that have a thread at their top of the workpiece or at the rear. edge position is separate from the guide bush. Features end. In this type of tooling, the undercuttingwidth indicated with the arrow can be reducedIn this type of tooling, the undercuttingwidth indicated with the arrow can beFor the left-hand holder, the selection of A type and B type is the reverse of the since the cutting edge point is placed closer reduced since the cutting edge point is right-hand holder. to the guide bush side. placed closer to the back turning side. (B indicates the guide bush side while A indicates the back turning side.) F92