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E Threading of Single-hole Threading of Single-hole E How to use Goose-neck holder on Automatic lathe (guide bush system) TKFT Type Goose-neck holder is applicable to automatic lathes whose toolholder does not Thread Type Pitchmm/TPIDescription Corner-R(re) Total ap(mm) No. ofPasses 1 2 3 4 5 6 7 8 9 10 move longitudinal direction ( Z-axis direction) 0.20mm 0.20 4 0.08 0.06 0.04 0.02 •Conventional Threading Holder # Goose-neck Holder for Threading 0.25mm 0.24 4 0.10 0.08 0.04 0.020.30mm0.2850.080.070.070.040.02 \9/ r Chips may bush and surface come into guide scratch thread \3 up to 15mm (1216 type)up to 19mm (1620 type)Goose-neck Holder is7javailable forthreading without 0.35mm 0.32 5 0.10 0.09 0.07 0.04 0.020.40mm0.3550.120.100.070.040.02m0.45mm0.3950.160.100.070.040.02CD032CD0.50mmCTPT 11R/LA /B6 0 -0 0 50.050.3350.100.100.070.040.023-O0.60mm0.4060.100.100.080.060.040.0203CL0.70mm0.4860.100.100.100.100.060.02 returning tread part 0.75mm 0.52 7 0.10 0.10 0.10 0.08 0.07 0.05 0.02 into guide bush, 0.80mm 0.56 7 0.10 0.10 0.10 0.10 0.08 0.06 0.02 (thread length 1.00mm 0.71 8 0.15 0.15 0.12 0.10 0.08 0.06 0.03 0.02 15mm/19mm) 1.25mm 0.90 9 0.20 0.18 0.13 0.10 0.10 0.07 0.05 0.05 0.02 Precautions for using Goose-neck holder 1,50mm CTPT 11R/LN60-010 0.10 1.09 10 0.22 0.20 0.15 0.12 0.10 0.10 0.08 0.05 0.05 0.02 When use Goose-neck Holder ® Be careful of interference with back spindle because offset dimension is large than the coventional toolholders (D Be careful of interference with sub spindle =}> Toolholder installation position is limited. @ At simultaneous machining (balance cut and tool approach for next process), interference with other toolholder may occur. @ In some cases, such as specifying toolholder shape on NC display or using CAM, Goose-neck holder can not be drawn perfectly 191 ap & number of passes 192 TKFT Type Thread Type Pitch mm/TPI Description Corner- R(re) Total ap(mm) No. ofPasses 1 2 3 4 5 6 7 8 9 10 11 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 0.23 4 0.08 0.07 0.06 0.02 0.35mm TKFT 12R/L Max 0.05A/B60-000Flat0.27 5 0.08 0.07 0.06 0.04 0.02 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 0.38 6 0.10 0.10 0.07 0.05 0.04 0.02 0.50mm TKFT 12R/LA/B60-0050.05 0.33 5 0.10 0.10 0.07 0.04 0.02 TKFT 12R/L Max 0.05Metric0.60mmA/B60-000TKFT 12R/LA/B60-005Flat0.050.450.40760.100.100.080.06 0.05 0.04 0.020.100.100.080.060.040.02 m 0.70mm 0.48 6 0.10 0.10 0.10 0.10 0.06 0.02 CD03 0.75mm TKFT 12R/LA/B60-0050.05 0.52 7 0.10 0.10 0.10 0.08 0.07 0.05 0.02 1 3" 0.80mm 0.56 7 0.10 0.10 0.10 0.10 0.08 0.06 0.02 3 TKFT 12R/L1.00mmA/B60-005TKFT 12R/LN60-0100.050.100.710.66860.15 0.15 0.12 0.10 0.08 0.06 0.03 0.020.180.150.120.100.060.030.02 TKFT 12R/L1,25mmA/B60-005TKFT 12R/LN60-0100.050.100.900.85980.20 0.18 0.13 0.10 0.10 0.07 0.05 0.05 0.020.200.180.130.100.100.070.050.02 1,50mm TKFT 12R/LN60-010 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 28 TPI TKFT 12R/LPipe19 TPIA/B55-0050.050.671.01 79 0.18 0.15 0.12 0.10 0.06 0.04 0.020.200.180.140.120.120.100.080.050.02 24 TPI 0.79 8 0.18 0.18 0.12 0.10 0.08 0.07 0.04 0.02 20 TPIWhitworth18 TPITKFT 12R/LA/B55-0050.050.961.07 910 0.20 0.20 0.15 0.10 0.10 0.08 0.06 0.05 0.020.200.180.150.120.100.100.080.070.050.02 16 TPI 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