Using Pyramidal Three-Roll Bending Process to Improve the Quality of Seamed Cylinders
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Bibliographic record
Abstract
Mecano-welding can efficiently produce cylinders used in various industries. The pyramidal three-roll bending process is commonly used to produce a cylinder with non-seamed gap. However, there is a planar zone near the front and rear ends. This planar zone can be seamed with a welding process. In this paper, a numerical model is proposed to simulate the roll bending process and the welding process so that the geometrical quality of the bent cylinders can be improved. Explicit and implicit solvers are applied to the numerical modeling by using ANSYS/LS-DYNA software. The numerical model can provide a useful tool for design and optimization of the Mecano-welding process.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it