Shuttle Looms & Shuttle less Looms with advantages and disadvantages.

Shuttle Looms:

The conventional loom utilises a shuttle that contains a bobbin of filling yarn which emerges through a hole in the side.

Three types of Shuttle looms are given below:

Hand Loom- Every operation is performed manually.       

                                                       

Power Loom (non-automatic)- The shuttle is changed by hand. 

Automatic Weaving Machines-  A power driven loom on which the shuttles or pirns are changed automatically.

Disadvantages of shuttle looms: 

• Shuttles causes abrasion on the warp yarns
• Sometimes causes Warp breaks.
• Function slowly (110 to 225 picks per minute)
• Shuttle looms are noisy   
• The movement of shuttle will be more difficult to control and there will be a greater  possibility of its ejection from the loom.

                                                                                       

Shuttle less Looms:

Shuttle less looms uses a different method of picking, which provides specific characteristics and applications.

Three types of Shuttleless looms are given below:

1.Projectile : The picking action is accomplished by a series of small bullet like projectiles which grip the filling yarn and carry it through the shed and return empty.

2 Rapier: A rapier loom uses a rapier to pull the weft yarn across the loom.

3.Jet : Jet looms take the weft yarn across the loom by using a high speed of either air or water.

Advantages of shuttle less looms:

• High labour and machine productivity due to high speed and wider width of looms.
• Reduced labour cost due to higher allocation of looms and productivity.
• Defect free cloth for longer length.
• Better environment due to low noise level.
• Less value loss of fabrics.
• Low consumption of stores and spares.
• Easily adaptable for market trends.
• Bigger flanges can accommodate 3 times and lesser wastages.
• Lesser accidents.
• Easy maintenance and less work load for Jobbers.
• Pirn winding process is eliminated.

Author : jahidur.diu@gmail.com

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