| 摘要 |
PURPOSE:To make a welded product uniform in quality with good productivity, by disposing and positioning a pair of leads to both ends of a pellet so as to face to each other, providing a slight space between the same, heating the end parts of the leads and pressing the same to the end faces of the pellet. CONSTITUTION:A bar-like fusible alloy pellet 2 is placed in the groove 11a of a pellet setting base 11, and a pair of leads 3, 3 are placed on the base 11 so as to face to the end faces of the pellet 2. The lead set base 12 is moved to press the end faces of the leads 3, 3 to the end faces of the pellet 2, thereby positioning both. The base 12 is then slightly retreated to part the end faces of the leads 3, 3 slightly from both end faces of the pellet 2. A heater block 15 is moved downward until it contacts with the forward end parts 3' of the leads 3 so that said parts are heated to the melting temp. of the pellet 2 or above. The base 12 is moved thereafter to press the end faces of the leads 3, 3 into the end faces of the pellet 2 while the pellet 2 is melted, whereby both are welded and joined. |
