Fortele La Burghiere 2012.Xls

Bazele Aschierii si Generarii Suprafetelor Lucrarea de laborator nr. Studiul experimental al fortei axiale si al momentului de aschiere la burghiere Student: Stefanescu Bogdan Grupa: 1131/2 Data: 21/11/2012 Conditii experimentale: Utilaj: Masina de gaurit 4GCoD Scula: burghie elicoidale tip N din Rp3 2kr=118° Mediu: aer Semifabricart OLC 45 20x20x100 Dinamometru pentru burghiere BKM2010 OLC45 kp1,1= p Schema prelucrarilor n D Ma , Fa 2220 0.14 Tabel cu date experimentale Valori masurate nr.crt. D [mm] n [rot/min]s [mm/rot] v [m/min] t [mm] sd [mm/dinte] Fa [N] Ma[Nm] lg D 1 8 280 0.1 4 0.05 1400 4.2 0.90309 2 8 280 0.16 4 0.08 1690 4.8 0.90309 3 8 280 0.25 4 0.125 2520 6.9 0.90309 4 8 450 0.1 4 0.05 1330 3.9 0.90309 5 8 450 0.16 4 0.08 1610 4.5 0.90309 6 8 450 0.25 4 0.125 2380 6.8 0.90309 7 12 280 0.1 6 0.05 1680 7.5 1.07918 8 12 280 0.16 6 0.08 2240 10.5 1.07918 9 12 280 0.25 6 0.125 2960 15 1.07918 10 12 450 0.1 6 0.05 1540 8.2 1.07918 11 12 450 0.16 6 0.08 2100 12 1.07918 12 12 450 0.25 6 0.125 2800 15.7 1.07918 13 15 280 0.1 7.5 0.05 2100 12 1.17609 14 15 280 0.16 7.5 0.08 2520 16.5 1.17609 15 15 280 0.25 7.5 0.125 3220 26 1.17609 16 15 450 0.1 7.5 0.05 2100 10.5 1.17609 17 15 450 0.16 7.5 0.08 2520 15.3 1.17609 18 15 450 0.25 7.5 0.125 3080 22.8 1.17609 Suma 18.95017 lg s lg Fa lg Ma -1.00000 3.14613 0.62325 -0.79588 3.22789 0.68124 -0.60206 3.40140 0.83885 -1.00000 3.12385 0.59106 -0.79588 3.20683 0.65321 -0.60206 3.37658 0.83251 -1.00000 3.22531 0.87506 -0.79588 3.35025 1.02119 -0.60206 3.47129 1.17609 -1.00000 3.18752 0.91381 -0.79588 3.32222 1.07918 -0.60206 3.44716 1.19590 -1.00000 3.32222 1.07918 -0.79588 3.40140 1.21748 -0.60206 3.50786 1.41497 -1.00000 3.32222 1.02119 -0.79588 3.40140 1.18469 -0.60206 3.48855 1.35793 -14.38764 59.93006 17.75682 XF 0.72 0.72 0.72 0.72 0.72 0.72 0.72 0.72 0.72 0.72 0.72 0.72 0.72 0.72 0.72 0.72 0.72 0.72 0.72 Fa = f(D) 2500 Forta Axiala [N] 2000 1500 1000 500 0 Mt = f(D) Momentul de torsiune [Nm] 20.0 15.0 10.0 Mt = f(D) 5.0 3000 Fa = f(D) 0.0 0 5 10 15 20 0 5 10 Diametru [mm[ 15 20 Diametru [mm] Fa = f(s) 3500 3000 2500 2000 1500 1000 500 0 Mt = f(s) 20.0 Forta Axiala [N] 15.0 10.0 5.0 0.0 Forta Axiala [N] Fa = f(s) Mt = f(s) 0 0.1 0.2 0.3 0 0.05 0.1 0.15 0.2 0.25 0.3 Avans [mm/rot] Avans [mm/rot] YF 0.60 0.60 0.60 0.60 0.60 0.60 0.60 0.60 0.60 0.60 0.60 0.60 0.60 0.60 0.60 0.60 0.60 0.60 0.60 XM 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 YM lg CF lgCM 0.75 3.05 -0.52 0.75 3.05 -0.52 0.75 3.05 -0.52 0.75 3.05 -0.52 0.75 3.05 -0.52 0.75 3.05 -0.52 0.75 3.05 -0.52 0.75 3.05 -0.52 0.75 3.05 -0.52 0.75 3.05 -0.52 0.75 3.05 -0.52 0.75 3.05 -0.52 0.75 3.05 -0.52 0.75 3.05 -0.52 0.75 3.05 -0.52 0.75 3.05 -0.52 0.75 3.05 -0.52 0.75 3.05 -0.52 0.75 3.05 -0.52 CF CM Facalc[N] Mt calc [Nm] 1124.7 0.3 1263 3.4 1124.7 0.3 1674 4.9 1124.7 0.3 2188 6.8 1124.7 0.3 1263 3.4 1124.7 0.3 1674 4.9 1124.7 0.3 2188 6.8 1124.7 0.3 1691 7.7 1124.7 0.3 2241 11.0 1124.7 0.3 2930 15.4 1124.7 0.3 1691 7.7 1124.7 0.3 2241 11.0 1124.7 0.3 2930 15.4 1124.7 0.3 1985 12.1 1124.7 0.3 2632 17.2 1124.7 0.3 3440 24.0 1124.7 0.3 1985 12.1 1124.7 0.3 2632 17.2 1124.7 0.3 3440 24.0 1124.7 0.3 40086 205