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<table border="0" cellpadding="3" cellspacing="1" width="100%" class="forumline"> <tr> <th class="thCornerL" width="22%">Autor</th> <th class="thCornerR">Wiadomość</th> </tr> <tr> <td width="22%" align="left" valign="top" class="row1"><span class="name"><a name=""></a><b>goloverwy</b></span></td> <td class="row1" valign="top"><table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="100%"><img src="http://picsrv.fora.pl/Elveron/images/icon_minipost.gif" width="12" height="9" alt="Post" title="Post" border="0" /><span class="postdetails">Wysłany: Pon 23:54, 23 Maj 2011<span class="gen"> </span> Temat postu: mulberry sverige</span></td> </tr> <tr> <td colspan="2"><hr /></td> </tr> <tr> <td colspan="2"><span class="postbody">Based on Pro / E parameters of the helical gear Modeling <br /> <br /> <br />Direct the establishment of involute helical gears model, without the need for secondary development, as long as the set parameters, add the relationship can be. This not only avoids using the involute arc approximate alternative modeling approach, but also solve the same structure but different size gear repeated design issues, this is not only time-consuming duplication of work effort, and the resulting product database is too large and difficult to manage , the use of Pro / E features powerful parametric modeling, design work can be completed gear series. The number of helical gears ◆ ■ over Xinjiang and Xinjiang with a practical side helical gear cane to illustrate how to use Pro / E to establish the involute helical gears. The key is to create helical gear tooth form part of the model, as for other structures to create easier gear, omitted here, as in this description is only part of involute modeling process and methods. (1) establish a baseline open Pr0 / E to create a new document, the three were established datum, coordinate system, axis, and set the unit to mmNS. (2) set the parameters to create a gear need to set parameters to a practical example helical gears, helical gears to calculate the required parameters as shown in Table 1. In the Pro / E's (3) Add relationship in the Pro / E's to the module 5d pitch diameter tooth 28hf dedendum b tooth width 25ha addendum alpha pressure angle 20df tooth root circle Wei Keng beta helix angle 15da tip diameter R tooth fillets 2 shows the Yuan in the hair with the input values parameters related research by the following music style decision d = m * z / cos (beta) ha = mhf = 1.25. mdr = d-2 * hfda = d +2 * ha Description: The relation between the meaning of the name of each parameter l with the table below. (4) were established to create the three circles round the baseline: tooth root circle, graduated circle,ed hardy shop, addendum circle; modify the size, enter the corresponding value of Establishment of the three circles shown in Figure 1. (5) to create the involute in Pr. / E of the 5 * df * sqrt (1 + talpha2) theta = talpha {t0deg-atan (talpha) z = 0 to create the involute shown in Figure 1. (6) need to create a profile cross-section helical gear tooth surface to create both ends of section, the front section consists of two involute, tooth tip round, round tooth root, tooth root fillet composition of closed graph R = 2. Back section and front section shape the same, just position the front section than the axial spacing of the gear tooth width b = 25, and a spiral around the gear axis of rotation angle beta = 15. To complete the profile cross-section shown in Figure 2. Figure 2 Tooth Tong section j. Rear gear section 2. Front tooth cross-section (7) to create a helical scanning physical profile of a helical hybrid method to complete physical profile, creating a helical an addendum circle 2. Divided by the circle 3. Tooth root circle 4. Figure 3 involute profile of a physical entity helical gear shown in Figure 3. (8) complete copy of other applications in the helical array of physical completion of the other helical entity law and substantive law created by stretching the tooth root cylinder, and ultimately create the involute helical gear shown in Figure 4. Figure 4 involute helical gears above conclusion involute helical gear and method of creation,ed hardy shop, you can enter in Table l to the different parameters should be a series of helical gears of different sizes. To create involute gears informer words, just the top end of helical gears to create the mirror surface mirroring operation can be obtained. To create involute spur gear, just the front end in Figure 2 cross-section profile can be obtained for physical tension. Pro/Engineer2001 Chinese [M】. Beijing: Tsinghua University Press, 2003. [2】 China Machinery Industry Education Association. Engineering Drawing [M】. Beijing: Mechanical Industry Press, 2002 Nang Li ■: Female,ed hardy zürich, born in 1964,mulberry sverige, Hubei Hanyang, associate professor, mainly engaged in teaching, teaching and research and teaching management. Jiangxi Institute of Materials Engineering, Electrical and Mechanical Technology, Nanchang,mulberry norge, 330013.2007 No. 7 (Total 76) MOULD & DIEPROJECT a mold project 107 ∥ 0. One. ◆, a ≯ ▲ Three Three lIl00 '~ 0 <br /> <br />相关的主题文章： <br /> <br /> <br /> mulberry helsinki / / <a href="http://WWW." target="_blank">WWW.</a> meansun. COrn. cn <br /> <br /> ed hardy shop wien 6 <br /> <br /> louboutin københavn %</span></td> </tr> </table></td> </tr> <tr> <td colspan="2" height="1" class="spaceRow"><img src="http://picsrv.fora.pl/Elveron/images/spacer.gif" alt="" width="1" height="1" /></td> </tr> </table>
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