Основной каталог Kyocera 2021 - 2022 - страница 653

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Навигация

Recommended cutting conditionsRecommended cutting conditions TPGB for internal threading

TKFT

WorkpieceRecommended insert grades
materialMEGACOAT NANO PLUS MEGACOAT NANOMEGACOATCarbide
PR1725 PR1535PR1225KW10
Carbon steelVc = 70 ~170 m/mim-
First ap (Radial): 0.2mm and under
Allo steelVc = 70 ~170 m/mim-
yFirst ap (Radial): 0.2 mm and under
Stil tlVc = 60~100 m/mim-
aness seeFirst ap (Radial): 0.15 mm and under
Cast iron-Vc = 100 m/mim
First ap (Radial): 0.2 mm and under
Ali llVc = 150~400 m/mim
umnum aoys-First ap (Radial): 0.2 mm and under
B-Vc = 150~300 m/mim
rassFirst ap (Radial): 0.15 mm and under
  • Coolant is recommended.
  • In case of threading stainless steel, please set two to three passes more than <ap - passes> listed below.

Depth of cut & number of passes

TKFT 60˚ / 55˚ Partial profile

JJ

(ap shows the value of radial ap)

TypePitch (mm/TPI)Description(RE)Total ap (mm)No. of passes1234567891011
0.20 mm0.1540.060.040.030.02
0.25 mm0.1940.070.060.040.02
0.30 mmTKFT 12R/L A/B6000Max0.2340.080.070.060.02
0.35 mm0.050.2750.080.070.060.040.02
0.40 mmFlat0.3050.100.080.060.040.02
0.45 mm0.3460.100.080.060.040.040.02
050 mmTKFT 12R/L A/B60000.3860.100.100.070.050.040.02
.12R/L A/B600050.050.3350.100.100.070.040.02
Max
MetricExternal thread0.60 mmTKFT 12R/L A/B60000.05 Flat0.4570.100.100.080.060.050.040.02
12R/L A/B600050.050.4060.100.100.080.060.040.02
0.70 mm0.050.4860.100.100.100.100.060.02
0.75 mmTKFT 12R/L A/B600050.050.5270.100.100.100.080.070.050.02
0.80 mm0.050.5670.100.100.100.100.080.060.02
1000.050.7180.150.150.120.100.080.060.030.02
. mm0.100.6670.180.150.120.100.060.030.02
125TKFT 12R/L A/B60005 12R/L N60010.050.9090.200.180.130.100.100.070.050.050.02
. mm0.100.8580.200.180.130.100.100.070.050.02
1.50 mmTKFT 12R/L N60010.101.04100.200.180.140.120.100.100.080.050.050.02
Plll iExternal28 TPITKFT 12R/L A/B550050.050.6770.180.150.120.100.060.040.02
arae ppethread19 TPI0.051.0190.200.180.140.120.120.100.080.050.02
24 TPI0.050.7980.180.180.120.100.080.070.040.02
WhitworthExternal20 TPITKFT 12R/L A/B550050.050.9690.200.200.150.100.100.080.060.050.02
thread18 TPI0.051.07100.200.180.150.120.100.100.080.070.050.02
16 TPI0.051.21110.200.180.150.150.120.100.100.080.070.040.02

VNT for internal threading – Depth of cut and number of passes (Metric: M)

Pitch (mm)Total ap (mm)No. of passes1234567891011121314151617
0.750.44100.060.060.050.050.050.040.040.030.030.03
1.000.60120.070.070.060.060.060.050.050.040.040.040.030.03
1.250.76140.070.070.070.070.060.060.060.050.050.050.040.040.040.03
1.500.92170.070.070.070.070.070.060.060.060.050.050.050.050.040.040.040.040.03

1) The standard cutting speed is Vc=30~50 m/min. The table feed may not follow the expected conditions when machining small diameter workpieces at high speeds. 2) Coolant is recommended.