Abrasive Flow Machining (AFM)
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10 Terms
What does AFM stand for?
Abrasive Flow Machining.
What is the abrasive mixture in AFM called?
The media.
What is AFM media made of?
Abrasive particles mixed into a viscoelastic polymer.
What is the main purpose of AFM?
To polish or finish difficult to reach surfaces and internal passageways
Why is AFM useful for internal passages?
The media can flow through regions that conventional tools cannot reach.
What pressure range is used in AFM?
Approximately 0.7 to 20 MPa.
What is a common AFM machine arrangement?
The workpart is placed between two opposing cylinders.
How does the media move in AFM?
It is forced through the part from one cylinder to the other and then back again.
Why may the media be cycled repeatedly?
To achieve the desired amount of material removal and surface finish.
Which process should be selected to polish an internal passageway?
AFM.