The design and manufacturing of various types of U-bolts generally does not receive prolonged attention from engineers, buyers or production personnel. However, the materials and processes used to construct these items have undergone significant technological changes. The push for quality, cost-effective manufacturing, increased physical demands and the ever present sensitivity to liability issues have made threaded products a highly engineered component of critical importance in any joint.
The past practice of hot forging U-bolts from cold-finished bars with cut threads has given way to less-costly high speed production of rolled threads on cold drawn wire. Modern materials and cold working often attain strength levels that previously required heat treatment, while retaining toughness and reducing cost.
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In particular, rolled threads have several advantages over cut threads:
- Fine surface finish
- High rates of production with no material waste
- Strong threads with a work-hardened surface
Post time: Mar-23-2023