Quality Control: Difference between revisions

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=Sat Aug 31, 2019=
=Basics=
*D3D 19.06 - Y2 axix must be constrained only in the Y direction, not X, since that is the auto parallel. The implication is that the linear bearings on Y2 can be loose in the X direction, but not in the Y direction
*The Process in Manufacturing and Commerce, where the product/service is examined (Usually with randomly selected samples) to maintain consistent quality, and properties
*Just one electric tape layer around bearing could overtighten the bearings, while without this layer the bearings could be perfectly smooth. -> Even one half layer made it stick.
*Also should occur to a lesser degree (ie non destructive testing and benchmarks) at the end of an assembly line
*Y carriage upper bolts are inaccessible without a nut holder tool. Move axis away from frame?
 
*Overtightening bolts on lightest drill setting can bend the 20% carriage. Carriage may want to be printed with 40% and highest quality possible.
=Methods=
*Temperature overshoot of bed makes you wait a bit of time for temp to drop back down on startup.
*[[Desttructive Testing]]
*Smell from rock wool should be eliminated with non off-gasing material
*[[Non-Destructive Testing]]
*[[Benchmark Based Testing]]
 
=See Also=
*[[Six Sigma]]
*[[Quality Assurance]]
 
=Useful Links=
*[https://en.wikipedia.org/wiki/Quality_control The Wikipedia Page on Quality Control]

Revision as of 19:53, 4 January 2020

Basics

  • The Process in Manufacturing and Commerce, where the product/service is examined (Usually with randomly selected samples) to maintain consistent quality, and properties
  • Also should occur to a lesser degree (ie non destructive testing and benchmarks) at the end of an assembly line

Methods

See Also

Useful Links