Saved Bookmarks
| 1. |
In what conditions are the parts kept before welding in ultrasonic welding method?(a) Low static pressure(b) High static pressure(c) Low moving pressure(d) High moving pressure |
|
Answer» The correct choice is (a) Low static pressure To elaborate: In ultrasonic welding method, the parts which are to be joined, are kept clamping to one another in between of supporting member and the welding tip. This clamping is done at a low static pressure. |
|