I need a PRECISION straight-edge, so I made three
Not An Engineer・9 minutes read
Lathe beds may lose their straightness over time, resulting in a need for correction, which led to the creation of three straight edges using welded steel construction. The design was inspired by Alex, and precision work clamps were crucial in the TIG welding process to achieve flatness.
Insights
- The decision to create straight edges from scratch instead of importing them was driven by cost and logistical considerations, highlighting the practicality of in-house solutions.
- The meticulous process of achieving flatness in the straight edges through the three plate method underscores the precision and attention to detail required in manufacturing, emphasizing the significance of each surface matching progressively.
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Recent questions
How are lathe beds corrected?
By making three straight edges from scratch.
What material is used for straight edges?
Welded steel construction with mild steel flat bar.
Why are speed holes added to straight edges?
To enhance efficiency in the correction process.
What welding technique is used for straight edges?
TIG welding.
How is flatness achieved in straight edges?
Through the three plate method.
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Summary
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"Creating Straight Edges for Lathe Beds"
- Lathe beds are typically straight, but after years of use, they may not be, prompting the need for correction.
- The cost and hassle of importing precision surfaces lead to the decision to make three straight edges from scratch.
- The design for the straight edges was inspired by Alex from an engineers findings.
- Welded steel construction using hot rolled, mild steel flat bar was chosen for the straight edges.
- A simulation was run to ensure the straight edges would have minimal deflection.
- Speed holes were added to the straight edges for efficiency.
- TIG welding was used, emphasizing the importance of precision work clamps.
- The three plate method was employed to achieve flatness in the straight edges, involving matching three surfaces progressively.
