Weaving Technology-II — Winter 2018

Calculate the loom production in meters per shift of 8 hours, if loom runs at 180 ppm with 80% efficiency. The cloth contains 24 picks/cm.

Draw a neat sketch of passage of yarn and cloth through the loom.

Discuss in detail about shedding mechanism with a neat sketch.

Explain loom timing with diagram with respect to shuttle, picker and healds.

Give the function of temple and back rest.

Discuss in detail about construction & working of cam/tappet dobby with a neat sketch.

Describe the construction & working of loose reed motion with a neat sketch.

Give a formula for power required for picking.

Explain semi-open and bottom close sheds.

Give the construction and working of cone over pick motion.

Give functions of selvedge.

Explain the function of check strap and box swell.

Discuss about the construction and working of Beat-up motion.

Give classification of looms.

Prove that Dividend of 7 wheel take up motion is nearly 1.

Explain the construction and working of side weft fork mechanism.

Give the difference between 7 wheel and 5 wheel take-up motion.

Compare loose reed and fast reed motions.

Draw only a neat sketch of Eccles drop box mechanism with name of the parts.

State the objects of Let-off motion.

How the box leveling device operates in drop-box mechanism?

Explain the construction and working of pick-at-will motion.

What is the role of lag-lattice in dobby?

Explain the functions of picker and reed.

Give the construction and working of mechanical type warp stop motion with a neat sketch.