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Notes, manuals and case records written from the production floor — for the people who specify, assemble and maintain bolted joints.
Reference data written by the people who make the parts.
A tightening torque table looks like a lookup — find the thread, read the number. In practice the value printed in the table is the end point of a chain of assumptions: friction class, strength grade, yield utilisation and the assembly method used to reach the preload. Torque is only…
A tightening torque table looks like a lookup — find the thread, read the number. In practice the value printed in the table is the end point of a chain of assumptions: friction class, strength grade, yield utilisation and the assembly method used to reach the preload. Torque is only…
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