They are also worried about potential problems with the welds that hold the scoop together.
Natural-gas pipelines cannot be used because hydrogen makes the steel tubing brittle and attacks the welds.
One way to save electricity is either reducing the number of spot welds or using less energy for each spot weld made.
They'll look at the welds that hold the structural elements together.
For example, casting frame parts whole instead of making several welds.
However, adding scandium to the alloys both makes they themselves stronger and also makes them easier to weld and such welds, when they are done, stronger.
The 3-D visual allowed him to eliminate redundant fasteners and bolts as well as structural members that could be combined into one part instead of several needing welds.
Using a laser, the robot can make highly accurate welds and position itself for each one a lot faster than it could if it were spot-welding in the normal way.
At TWB Co. a single laser welds steel sheets of different properties into a single raw sheet that Cadillac can have stamped into a door panel without any of its own welds.
That means you may sooner see more Nissan Pathfinders playing polo as they do in one commercial than you will see details about the number of precision welds by robots (2, 146) in a Nissan Maxima.
Volkswagen said it strives to maintain a global standard for body strength, putting the same number of welds on the same models regardless of where they're produced, and using high-strength steel in Brazilian cars.
Last month BNFL said they have dropped the option to use Magrox fuel to power the Anglesey plant - which has been closed for the last nine months because of problems with welds in the reactors.
As many as 15 percent of the 5, 000 previously approved welds in the reactor's auxiliary plumbing, containment dome and spent-fuel cooling systems were X-rayed and found to be defective due to air pockets, poor soldiering and heat damage.
CENTERFORSECURITYPOLICY: A Chernobyl reminder just off our shores
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