Monday, 12 December 2011

Testing Fabric Thickness


The principle of measurement of fabric thickness is based on

“the precise measurement of the distance between two plane parallel plates separated by the cloth when a known pressure is applied and maintained on the plates.”



To measure the fabric thickness
·         We first clean the foot and anvil.
·         Then we set the guage to zero.
·         After that the weights are added to the presser foot.
·         The fabric is prepared by ironing and making sure it does not have any creases.
·         Then the fabric is placed on the anvil.
·         Then the presser foot is brought down until the guage reading is steady.
·         We take at least 10 different readings at 10 different parts of the fabric.
·         The mean value is the thickness of the fabric


Some Parameters of the Fabric Thickness measurer are stated below

Shape and size of the presser foot: circular foot diameter 3/8 inch ( the ratio of foot diameter to the cloth should be less than 5:1).

Shape and size of the anvil: the diameter of anvil has to be 2 inch larger than presser foot.

Pressure: 0.1 lbs/inch2 to 10 lbs/inch2

Velocity of presser foot: 2/1000 inch per sec

Time: the reading should be taken when the dial is steady after lowering the presser foot.

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