What is a DA sander used for?
Category:
hobbies and interests
woodworking
Preparing a surface before and after painting. With the vibrations in tiny circles, the random orbital sander is used for ultra-smooth sanding. It can be used on wood, plastic or for metal working. A random orbital sander can be used for various applications from painting jobs to restoring headlight transparency.
Regarding this, what is a DA sander?
Before I start on the reviews, you should know that a DA sander is a random orbital sander. A dual action sander has two actions: one with the spindle (of the motor) locked to the pad, the other isn't locked but has a bearing between the spindle and the pad.
Then, is a orbital sander the same as a DA sander?
Random orbital is a dual action (DA) sander. Different companies, different names, both the same.
Back to the basics -- A dual action (DA) sander is called "dual action" because it can be run in two separate and distinct modes. One mode is orbital (when the air motor spindle is locked to the sanding pad).