Metal Machining - Theory and Applications Episode 1 Part 9 pptx

... Palmer and Oxley ( 19 59) , and (b) Roth and Oxley ( 19 72) Childs Part 2 28:3:2000 3 :12 pm Page 16 9 Harris, A., Hastings, W. F. and Mathew, P. ( 19 80) The experimental measurement of cutting temper- ature. ... Smart, E. F. and Milner, D. ( 19 70) The metallurgy of machining, Part 1. Metallurgia 81, 3 10 . 15 8 Experimental methods Childs Part 2 28:3:2000 3 :11 pm P...

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... point 7 is displaced from point 6 by t 1e in the chip flow direction. Thus Non-orthogonal (three-dimensional) machining 19 1 Childs Part 2 28:3:2000 3 :13 pm Page 19 1 A range of cases As the relative ... h c Non-orthogonal (three-dimensional) machining 18 7 Childs Part 2 28:3:2000 3 :13 pm Page 18 7 18 2 Advances in mechanics (b) (c) Fig. 6 .15 continued Childs Part 2 28:3:20...

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... sintered steel and Inconel 718 0.05 0.02 0 .1 0.2 0.5 1. 0 2.0 5 10 20 40 60 80 99 85 Flank wear VB (mm) P10 Sintered steel P10 B 111 2 TiC-Al 2 O 3 ceramic Inconel 718 VB max B 112 - P10, V = 200m/min, ... H. ( 19 73) Tool wear and tool life. Trans. ASME J. Eng. Ind. 95 B, 9 31 93 8. Dawihl, W. ( 19 41) Die Vorgange beim Verschleiss von Hartmetallegierungen. Stahl und Ess...

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... tools and has been studied over many years, by Dawihl ( 19 41) , Trent ( 19 52), Trigger and Chao ( 19 56), Takeyama and Murata ( 19 63), Gregory ( 19 65), Cook ( 19 73), Uehara ( 19 76), Narutaki and Yamane ( 19 76), ... Herzog, R. and Thomsen, E. G. Trans. ASME 81B, 263–2 79. Komanduri, R. and Samanta, S. K. ( 19 89) Ceramics. In: Metals Handbook 9th edn. Vol. 16 (Machining)...

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... 3 .1 96 0 99 0 – PCD 10 0–550 2.0** 3.8–4.2 620–840 14 0–540 PcBN 10 0* 1. 9 2 .1 4.7–4 .9 680– 710 15 0–340 K-carbide 75 12 0 3.0–3.4 4.5–6.0 550–650 390 92 5 P-carbide 25–55 4.0–4 .1 5.8–6.8 490 –560 390 –840 Cermet ... [10 –6 K 1 ] modulus [GPa] 10 0°C 10 00°C TiC 7.4–7.7 ≈ 450 24–33 38– 41 TiN 9. 4 ≈ 250 19 – 21 25–26 Al 2 O 3 8.4 9. 0 ≈ 400 20–28 6–7.5 WC-Co* 4.5–6.0 5...

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... Carbide CVD coated 0.2–0.5 3–7 1. 2 1. 9 2.8 1. 8 Ground 0 .1 0.25 2–4 1. 2 1. 9 2.8 1. 8 Super-finished 0.03 0.4 1. 2 1. 9 2.8 1. 8 Childs Part 1 28:3:2000 2:38 pm Page 73 2.4.3 Wear in metal cutting Finally, ... on tool face in metal machining. J. JSPE 39, 96 6 97 2. Taylor, F. W. ( 19 07) On the art of cutting metals. Trans. ASME 28, 31 350. Trent, E. M. ( 19 91 )...

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... 2.2 k/ ρ C 11 0–220 85 14 0 50 16 0 12 0–200 220–320 ∆T 1 [°C] a 230–470 18 0–300 11 0–340 250–430 470–680 K work [W/m K] 25–45 10 0–400 10 0–300 15 –20 6 15 K tool b [W/m K] 20–50 80 12 0 10 0–500 80 12 0 50 12 0 K* ... al. ( 19 72) Brass/carbide 30 48 0.3 450 0 .9 0 .95 Shirakashi and Usui ( 19 73) C steel/carbide 10 46 0.3 600 1. 3 0.8 Shirakashi and Usui ( 19 73) Low all...

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... out by Kobayashi and Thomsen ( 19 59) , measuring forces and chip thick- nesses in the machining of ferrous and non-ferrous metals, and using equation (2.5c) to estimate k. Figure 2 .9 shows their results ... Hall. Hitomi, K. ( 19 79) Manufacturing Systems Engineering. London: Taylor & Francis. Trent, E. M. ( 19 91 ) Metal Cutting, 3rd edn. Oxford: Butterworth-Heinemann. 34 I...

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... Figure 1. 16 (milling machine costs), Table 1. 1 (cutting tool data) and equations (1. 10) and (1. 11) for cost rates. 30 Introduction Childs Part 1 28:3:2000 2:35 pm Page 30 In the late 19 60s there ... x 12 x 4 3.00–6.00 1. 10 1. 90 for insert tooling on turning 25 x 25 x 7 9. 00 11 .20 2.65–3.20 centre ceramic insert, plain 12 x 12 x 4 4.50 9. 00 1. 50–2.70 25 x 25 x 7 1...

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... from Fig. 1. 1 International demand for machine tools, 19 78–88, £bn at 19 85 prices (from European community statistics 19 88) and projected at that time to 19 95 Childs Part 1 28:3:2000 2:32 pm Page 1 Contents Preface ... in machining 82 3.2 Tool materials 97 References 11 7 4 Tool damage 11 8 4 .1 Tool damage and its classification 11 8 4.2 Tool life 13 0 4.3 Sum...

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