SC.8 Quality Control & Tolerance

Question 1

Quality control (QC)

Answer 1

checking product against the manufacturing specifications

Question 2

Quality assurance

Answer 2

procedures to manage all functions that affect quality (manufacturing)

Question 3

Tolerance

Answer 3

The amount of erorr allowed for a given task. Applied to measurements, there will be specified range which is an acceptable difference between upper and lower limit.

Question 4

Go/no-go

Answer 4

A go/no-go gauge is used to check dimensions are within specified tolerances.
Eg. When checking drill hole, if the go gauge fits but no-go gauge doesnt, the hole is within tolerance

Question 5

Laser settings

Answer 5

Accurate process as the laser beam does not blunt or wear out. The speed, power & dimension settings must be set according to material

Question 6

Seam allowance

Answer 6

The area between the line of stitching & edge of the fabric. Tolerance is very small so accurate stitching is needed otherwise pieces will not fit as intended