HOME > Low Cost Automation Tutorial > #271 Ball Screws -13: Life
Low Cost Automation Tutorial
#271 Ball Screws -13: Life
Category : Linear Motion Components
January13, 2017
This volume explains the life (in a broad range) of ball screws designed for ultra-precision positioning through case examples.
Abnormal life of preloaded ball screws
| - | Manufacturers are shifting towards producing high-value-added products, they are adopting ultra-precision and high-rigidity ball screws more frequently than before. For this type of product, the product life ends when you experience degraded performance due to localized wear and fatigue (degraded positioning performance) instead of the life calculation value explained in the previous volume. |
| - | The life of preloaded ball screws is shown in the following graphs. |
![[Fig.1] Initial shape of thread groove,[Fig.2] Wear state of thread groove after use,[Fig.3] Initial shape of nut groove,[Fig.4] Wear state of nut groove after use,[Photo 1] Worn-out part of nut](http://www.misumi-techcentral.com/tt/en/lca/345.gif "[Fig.1] Initial shape of thread groove,[Fig.2] Wear state of thread groove after use,[Fig.3] Initial shape of nut groove,[Fig.4] Wear state of nut groove after use,[Photo 1] Worn-out part of nut")
- Positioning technology
- Designing and processing
- Sensor Technology
- Automation elements technology
- Clean room technology
- Design hints
- Design tips
- Designing and Machining
- Drive mechanism design
- Hints on designing
- Linear Motion Components
- Locating Technology
- Manufacturing technology
- Motion mechanism design
- Pneumatic Drives
- Production Technology
- Technology Outlook
- General description
- Low-cost automation and materials
- Transfer LCA
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- #331 Know-how on automation: Pressurized heating technology - 3: Pneumatic pressurization method and pressure profile
- #330 Know-how on automation: Pressurized heating technology - 2: Pressurization method and pressure profile
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