Lecture-1

TTQC-2 By-Tanvir Alam Lecturer, TMDM BUTEX

Atmospheric condition:• Relative Humidity:65%• Temperature:20◦C(68 ◦F)• Tolerance Zone: Relative Humidity :±4% Temperature:±2◦C• Preconditioning: Relative Humidity:25% Temperature:50◦C(122◦F) Time: 4hrsN.B: According to ISO139:2005(E)

Importance of Atmospheric Condition

Fabric Length

Measurement Process Flow: A Wide Table which can accommodate the

open cloth width with one edge graduated

One trial measurement before conditioned

Marks are made on the selvedge at 5yds intervals (for fraction of 5yds measured at the end is measured nearest .5’’)

leaving 24hrs testing atmosphere again measured.If changes <0.25% second measurement is

appropriateSome fabrics may recover more than .25% in the

first 24hrs. They are left for a further 24hrs and remeasured and repeated until <0.25%change of previous. Then final measurement is taken

Length measurement in Ware Houses and inspection rooms

Fabric Path Diagram on Inspection Table

Fig: Trumeter3900B

Fabric width

Continuous Measurement of width

By Jiewertz design Process• On running fabric using one pair of

photoelectric cell at each selvedge through scanning edge.

• Detecting changes in width.• Signals are translated into cloth width.

indicated on meter or recorded on a chart.• Accuracy ±.3cm accepted.