毕业设计-刹车支架工艺规程及其钻扩铰Ф14H9、Ф16H9的夹具设计

1、 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 14H916H9 ABSTRCTThe design of the content relates to the machinery manufacturing technology and machine tool fixture

2、design, metal cutting machine tool, tolerance and measuring and other aspects of knowledge.The brake bracket processing procedure and drilling, expanding, hinge with 14H9, 16H9 and A were to face milling fixture design is to include parts machining process design, process design and fixture design i

3、n three parts. In the design process should first of all parts for analysis, to understand the parts of the process to design a rough structure, and choose the good parts processing base, design parts of the process route; and then the various parts of the process step size calculation, is the key t

4、o decide the process equipment and cutting parameters; then special fixture design, selection and design of a jig for the various components, such as positioning devices, clamping elements, a guide element, clamp and the machine tool connecting parts and other components; calculate fixture is produc

5、ed when the positioning error analysis, fixture structure rationality and deficiency, and later in the design of improved.Key words : cutting clamping and positioning error.12 3 2.1 32.2 42.3 42.4 62.5 6 163.1 163.2 163.3 163.4 163.5 161819 20322.1 HT200175-255HBS1Kg1.50706.328Z=0.7Z=0.32032 12.52-1

6、0Z=1.03. A12.52-8Z=1.012.52-8Z=1.0Z=0.1 5.14H916H93614H9Z=6.0Z=0.916H9Z=6.0Z=1.9Z=0.1122.2 2032 16 14 2.3 10 20 30 5070 402030 5014H916H9 60 A 70 B 80 12 90 M8-7H 100 M8-7H 110120: 1305 10 20 30 50 70 402030 50 A 60 B 7014H916H9 80 12 90 M8-7H 100 M8-7H 110120: 130 10 20 30 50 70 402030 5014H916H9 6

7、0 A 2.4 1Kg1.50 706.328Z=0.7Z=0.32032 12.52-10Z=1.03. A12.52-8Z=1.012.52-8Z=1.0Z=0.1 5.14H916H93614H9Z=6.0Z=0.916H9Z=6.0Z=1.9Z=0.1122.5 10 20 30 50 70 50 70 1. YG8,a0.7mm d60mm v85m / min z4 p02. 1a0.7mmp202 X62 4.5kwf 0.2mm / zns1000v 1000 85d 60 451.2r / min nw475 r / minv dnw 60 475 m / min 89.5m

8、 / min100010003 l 70mm l1 0.7mm l2 5mm tl l1 l2 70 0.7 5 0.797 minmnf475 0.2w 50 70 1. YG8,a 0.3mm d 60mm v 85m / min z 4 p02. 1a 0.3mmp2 X62 4.5kwf 0.2mm / zns1000v 1000 85d 60 451.2r / min nw475 r / minv dnw 60 475 m / min 89.5m / min100010003 l 70mm l1 0.3mm l2 5mm tl l1 l2 70 0.3 5 0.793minmnf47

9、5 0.2w 402032 1. YG8,a 1.0mm d 40mm v 85m / min z 4 p02. 1a 1.0mmp2 X62 4.5kwf 0.2mm / z1000v1000 85nsd 40 676.8r / min nw675 r / mindn 40 675v w m / min 84.8m / min 100010003 l 32mm l1 1.0mm l2 2mm tl l1 l2 32 1.0 2 0.2593 minmnf675 0.2wT=2t=0.519min 5014H916H9 12 f 2-7 b 800MPa d0 12mm f 0.39 0.47

10、m / r 12 0.75f 0.39 0.47 0.75 0.29 0.35mm / r Z525 f 0.25mm / r 2-13 2-14 v 18m / min 1000v1000 18nsdw 12 477.7r / min nw 475r / min v d nw w 12 475 56.2m / min10001000l33mm l6.0mm l3mm 12l l l33 6 3t 120.354 minmnf475 0.25w15.8mm 12mm 15.8mm f1.2 1.8f1.2 1.8 0.65 0.750.585 0.87mm / r f0.57mm / rv 1

11、1v 1 1 126 4m / min 23 23 n51.6 34r / min n 48r / min wvdn 15.8 48ww2.38m / min10001000l32mm l1.9mm l3mm t l l1 l1232 1.9 321.349 minm 16H 9mm nf48 0.57w 2-25 f0.2 0.4mm / r v8 12m / min n169.8 254.65r / mins4.2-2f0.35mm / r n 198r / min v 9.33m / min w l 32mm l1 0.1mm l2 3mm l l l32 0.1 3t12 0.506

12、minmnf198 0.35w12 f 2-7 800MPa d 12mm b0f 0.39 0.47m / r 12 0.75f 0.39 0.47 0.75 0.29 0.35mm / r Z525 f 0.25mm / r 2-13 2-14 v 18m / min 1000v1000 18nsdw 12 477.7r / min nw 475r / min v d nww 12 475 56.2m / min10001000l22mm l6.0mm l3mm 12l l l22 6 3t 120.261minmnf475 0.25w13.8mm 12mm 13.8mm f1.2 1.8

13、f 1.2 1.8 0.65 0.750.585 0.87mm / r f0.57mm / rv 11v 1 1 126 4m / min 23 23 n 51.6 34r / min nw 48r / min v dnww 13.8 48 2.08m / min10001000l22mm l1.9mm l3mm t l l1 l21222 0.9 30.947 minm14H 9mm nf48 0.57w 2-25 f0.2 0.4mm / r v8 12m / min n169.8 254.65r / mins4.2-2f0.35mm / r n 198r / min v9.33m / m

14、in wl22mm l0.1mm l3mm t l l1 l1222 0.1 320.362 minmnw 60 1. f198 0.35 YG8,a 1.0mm d20mm v45m / min z4 p02. 1a 1.0mmp2 X51 4.5kwf0.25mm / z1000v1000 45nsd 20 715.7r / min nw675 r / minv dnw 20 675 m / min 42.4m / min100010003 l 24mm l1 1.0mm l2 2mm tl l1 l2 24 1.0 2 0.16 minmnf675 0.25w 70 1. YG8,a 1

15、.0mm d 20mm v 35m / min z 4 p02. 1a 1.0mmp2 X51 4.5kwf 0.25mm / z1000v1000 35nsd 20 557.3r / min nw550 r / minv dnw 20 550 m / min 34.5m / min100010003 l 14mm l1 1.0mm l2 3mm tl l1 l2 14 1.0 3 0.131minmnf550 0.25w80 12 1. YG8,ap 1.0mm d0 12mm v 25m / min z 4 2. 1a 1.5mmp2 X51 7.5kwf 0.2mm / z1000v10

16、00 25nsd 12 663.5r / min nw650 r / minv dnw 12 650 24.5m / min10001000 nw650r/min f f znmzw 0.2 4 650 520mm / r fm3 500mm / rl1 22mm l2 1mm tl l12 i 22 1 6 1.0615 minmnf650 0.2w T=2t=2.123min 3.1 2.7 4.21690 M8-7H M8-7H 6.7 6.7mm f 0.28mm / rVc 16m / min 2.151000n 1000 16 r / mm =760.5r/minvD 6.7 n=

17、750r/minv dnw 6.7 750 m / min 15.8m / min10001000 t1 l210 5min 0.071minlmnw M8mmf750X 0.28 M8mm f p f 1.25mm / rVc 7.5m / minn1000Vc 1000 7.5 298(r / min) D 8 n=275r/minV 6.8m / mincl l l10 0.6 2t=12 =0.037minnf275 1.25100 M6-7H M6-7H 5.1 5.1mm f 0.28mm / rVc 16m / min 2.15n 1000v 1000 16 r / mm =999.1r/minD 5.1 n=950r/minv dnw 5.1 950 m / min 15.2m / min10001000 t1 l210 5min 0.069 minlmnw M6mmf950 X 0.28 M6mm f p f 1.25mm / rVc 7.5m / min1000V1000 7.5n=D c 6=398.1(r/min) n=375r/mint=l l1nf l2 1