WIKA TC59-V Betriebsanleitung Seite 14

6. Commissioning, operation
WARNING!
The temperature readings while welding the V-PAD
(1,500 °F). If temperature readings exceed 800 °C (1,500 °F), interrupt welding
for 5 minutes before continuing welding.
EN
Apply the root pass on both sides. Melt into the first root pass for complete penetration
■
(see figure 3). Avoid melting through the V-PAD
Check interpass temperatures and add additional passes as required to fill the joint.
■
A minimum of three passes per side are required.
■
Control cooling rate of the weld area, if required.
■
Figure 1: Line contact
Poor line contact
Figure 2: Tilt
Poor alignment
Figure 4: Axial alignment
14
Good alignment
Poor alignment
wall.
®
Poor line contact
Figure 3: Weld penetration
Gap
Poor (gap too large)
WIKA operating instructions model TC59-V (V-PAD
should not exceed 800 °C
®
Good line contact
Weld
Good
Good alignment
)
®