■ Inserts Identification System (Ref. toTable-1) ◆ Recommended Cutting Conditions Recommended Insert Grades TKFT 12 R A 60 00 Workpiece MEGACOAT Material NANO MEGACOAT PVD Coated Carbide Carbide Insert Type Insert Size Edge Position Corner-R(rH) PR1425/PR1535 PR1225 PR1025 KW10 Vc=70 ~ 170m/mim Vc=60 ~ 150m/mim Insert Hand Thread Angle Carbon Steel First ap (Radial):0.2mm and under First ap (Radial):0.2mm and under - R: Right-hand L: Left-hand Vc=70 ~ 170m/mim Vc=60 ~ 150m/mim Alloy Steel First ap (Radial):0.2mm and under First ap (Radial):0.2mm and under - Table-1 Stainless Vc=60 ~ 100m/mim Vc=50 ~ 80m/mim Right-hand Insert Steel - A type B type N type First ap (Radial):0.15mm and under First ap (Radial):0.15mm and under Vc=100m/mim Cast Iron - - First ap (Radial):0.2mm and under TKFT12RA.. TKFT12RB.. TKFT12RN.. Vc=150 ~ 400m/mim Left-hand Insert Aluminum - - A type B type N type Alloys First ap (Radial):0.2mm and under Vc=150 ~ 300m/mim Brass - - First ap (Radial):0.15mm and under TKFT12LA.. TKFT12LB.. TKFT12LN.. · Coolant is recommended. · In case of threading stainless steel, please set two to three passes more than listed below. ■ Depth of Cut & Number of Passes ● TKFT 60° / 55° Partial Profile (ap shows the value of radial ap) Pitch Corner-R Total No. of J Type Description (rε) ap Passes 1 2 3 4 5 6 7 8 9 10 11 12 mm / TPI (mm) 0.20mm 0.15 4 0.06 0.04 0.03 0.02 0.25mm 0.19 4 0.07 0.06 0.04 0.02 0.30mm TKFT 12&A/B6000 0.23 4 0.08 0.07 0.06 0.02 0.35mm Max. 0.27 5 0.08 0.07 0.06 0.04 0.02 Threading 0.05 Flat 0.40mm 0.30 5 0.10 0.08 0.06 0.04 0.02 0.45mm 0.34 6 0.10 0.08 0.06 0.04 0.04 0.02 0.50mm TKFT 12&A/B6000 0.38 6 0.10 0.10 0.07 0.05 0.04 0.02 12&A/B60005 0.05 0.33 5 0.10 0.10 0.07 0.04 0.02 External TKFT 12&A/B6000 Max. 0.45 7 0.10 0.10 0.08 0.06 0.05 0.04 0.02 Metric Thread 0.60mm 0.05 Flat 12&A/B60005 0.05 0.40 6 0.10 0.10 0.08 0.06 0.04 0.02 0.70mm 0.05 0.48 6 0.10 0.10 0.10 0.10 0.06 0.02 0.75mm TKFT 12&A/B60005 0.05 0.52 7 0.10 0.10 0.10 0.08 0.07 0.05 0.02 0.80mm 0.05 0.56 7 0.10 0.10 0.10 0.10 0.08 0.06 0.02 1.00mm 0.05 0.71 8 0.15 0.15 0.12 0.10 0.08 0.06 0.03 0.02 TKFT 12&A/B60005 0.10 0.66 7 0.18 0.15 0.12 0.10 0.06 0.03 0.02 1.25mm 12&N6001 0.05 0.90 9 0.20 0.18 0.13 0.10 0.10 0.07 0.05 0.05 0.02 0.10 0.85 8 0.20 0.18 0.13 0.10 0.10 0.07 0.05 0.02 1.50mm TKFT 12&N6001 0.10 1.04 10 0.20 0.18 0.14 0.12 0.10 0.10 0.08 0.05 0.05 0.02 Parallel External 28 TPI TKFT 12&A/B55005 0.05 0.67 7 0.18 0.15 0.12 0.10 0.06 0.04 0.02 Pipe Thread 19 TPI 0.05 1.01 9 0.20 0.18 0.14 0.12 0.12 0.10 0.08 0.05 0.02 24 TPI 0.05 0.79 8 0.18 0.18 0.12 0.10 0.08 0.07 0.04 0.02 Whitworth External 20 TPI TKFT 12&A/B55005 0.05 0.96 9 0.20 0.20 0.15 0.10 0.10 0.08 0.06 0.05 0.02 Thread 18 TPI 0.05 1.07 10 0.20 0.18 0.15 0.12 0.10 0.10 0.08 0.07 0.05 0.02 16 TPI 0.05 1.21 11 0.20 0.18 0.15 0.15 0.12 0.10 0.10 0.08 0.07 0.04 0.02 ■ Swiss Tool Automatic Lathe (Guide Bush System) Goose-neck holder is applicable to automatic lathes whose toolholder does not move to longitudinal direction (Z-axis direction). ● Conventional Tool ● Goose-neck Holder Up to 15mm (1216 type) Up to 19mm (1620 type) Goose-neck holder is capable of threading without returning the Chips may come into the guide bush and scratch the thread surface. thread part into the guide bush (thread length up to 15 mm or 19 mm). J19