General Studies · Sheet Metal Work
In the context of sheet metal seaming machines, what is the primary function of the pressure roller?
- 1To cut the sheet metals accurately to size
- 2To close, flatten, or lock the grooved seam firmly✓
- 3To clamp the loose sheets temporarily before cutting
- 4To heat the metal joint area uniformly
Correct answer
To close, flatten, or lock the grooved seam firmly
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