1 / 71

書名： Essentials of Mechanical Engineering Design, 1/E 作者：Shigey Mischke Budynas 書號：MX0398

書名： Essentials of Mechanical Engineering Design, 1/E 作者：Shigey Mischke Budynas 書號：MX0398. Ball screw. High Speed Ballscrews. Cool Type Ⅰ 超高 Dm-N 值滾珠螺桿. Rising the load Lowering the load From eqs. (a) From eqs. (b). T L is positive when For the case of no friction

craig
Download Presentation

書名： Essentials of Mechanical Engineering Design, 1/E 作者：Shigey Mischke Budynas 書號：MX0398

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. 書名：Essentials of Mechanical Engineering Design, 1/E 作者：Shigey Mischke Budynas 書號：MX0398

  2. Ball screw High Speed Ballscrews Cool Type Ⅰ 超高Dm-N值滾珠螺桿

  3. Rising the load Lowering the load From eqs. (a) From eqs. (b)

  4. TL is positive when For the case of no friction Mechanical eff. As shown in Fig. 5.7 Friction of collart

  5. Shear stress Normal stress J.B. Johnson equation for short column

  6. Bearing stress Bending stress Shear stress

  7. (prefer number)

  8. Member has same Material km=k/2 and l=2t Dw=1,5d A,B see table 5-8

  9. P=Pm+Pb preload

  10. (Table 5-15)

  11. Stress in a bolt n=load factor Sp=proof load P0=load which will make the joint separation (Fm=0)

  12. Pitch is 1/11in for 8/8 bolt

  13. Bolt spacing around the bolt circle

  14. Goodman: Gerber ASME elliptic Goodman Gerber ASME Factor of safety Goodman eq.5-34, 5-40

  15. C=0, Fi=0

More Related