上海交通大学：《现代机械工程图学》教学资源（实践课件）07_UG：Free Form Feature ME 250：Design & Manufacturing I

UG:Free Form Feature ME 250:Design Manufacturing I School of Mechanical Engineering Shanghai Jiao Tong University 1

Shanghai Jiao Tong University 1 UG: Free Form Feature ME 250: Design & Manufacturing I School of Mechanical Engineering

Example YC X Shanghai Jiao Tong University 2

Shanghai Jiao Tong University 2 Example

Through Curves Patch Type Muliple￥ Age太 Permneter □dosed In V v Degree 1.Work Layer=1 Tolerance 0.0254 2.Through Curves First Section String lo Coestreint￥ La域Se0 n Strin0 南Constreint Disecod ot Spe1nd￥ Through Curves ▣Simple OK s或 Canoel Bc Canod Shanghai Jiao Tong University 3

Shanghai Jiao Tong University 3

Through Curves ☒ Patc Type Multiple Aligmet Peraneler 国Closed in V V Degree 1.Work Layer=1 Tolerance 0.0284 2.Through Curves First Section String No Coestreint Lant Section Strinu Coegscint￥ Diectoa Not Spedfled ▣Simple OK Bw业 Cancel YC Shanghai Jiao Tong University A

Shanghai Jiao Tong University 4

Through Curves Patch Type Multiple Aligmert Peraneler ☐dosed in v 1.Work Layer=1 VDey晚 Tolerance 0.0254 2.Through Curves First Section String la Coesraint、 Last Section Sting bCom为cdnl DeETion Nat Soed fled ▣Simple OK 水 Cancil YC YC Shanghai Jiao Tong University 5

Shanghai Jiao Tong University 5

1.Work Layer=1 Bridge ☒ 2.Bridge Selecion stegs 08色 Centinuity type ○TnOt⊙Curvature 0a0 OK y Canoi YC Shanghai Jiao Tong University 6

Shanghai Jiao Tong University 6

Bridge ☒ 1.Work Layer=1 Selection stepss 体飞 2.Bridge Conunuity type ○Tangent@Car8e ▣curvature cont. Drao Beck C ▣select two surfaces ▣change to top view ▣Drag:d Shanghai Jiao Tong University 7

Shanghai Jiao Tong University 7

1.Work Layer=1 Bridge ☒ 2.Bridge Selecion stegs 因得自飞 Continuity type OTanoent Curvature Dra CK Aoply Cancd Shanghai Jiao Tong University 8

Shanghai Jiao Tong University 8

Section 772 冈列 1.Work Layer =1 Layer 10,11,12.13,14 Invisible 人 2.Insert→Mesh Surface→Section y玉1女 U-Direction V-Direction Quintic 入、7⑦ ▣fillet-rho Section Type -(U-Diredton) Cank obie Quintie ▣spine Fling Type·V-Dfrection rho=Constant,rho=0.45 O了y0abc ⊙Quk G00.025G10.5205 ☐raste Apex Oarve Beck Caned Rho 0,4500 OK Beck Caned Shanghai Jiao Tong University 9

Shanghai Jiao Tong University 9

▣U-Direction=Conic Section ☒ ☒ ▣rh0=0.75 995一 Rho 0.7503 7园 Bedk Cance 飞.人 I I4 一0 Section Type -(U-Directon) Cank Cbic雪Quintie FRting Type·V-Drection) ⊙了 OCubic ⊙Quk G00.025G10.5■c205 □Creste Apex Carve OK Rack Canc Shanghai Jiao Tong University 10

Shanghai Jiao Tong University 10