Question
Which of the following shuttleless weaving systems can offer maximum fabric width ?
The correct answer is
Projectile
Shuttleless Weaving Systems for Maximum Fabric Width
Different shuttleless weaving technologies vary in their capacity to produce wide fabrics. The choice of system impacts the maximum achievable fabric width.
Comparing Weaving System Width Capabilities
- Air Jet Looms: Known for high speed, they typically achieve moderate to wide fabric widths, suitable for many applications but not the absolute maximum.
- Water Jet Looms: Best for hydrophobic yarns, these looms can produce wide fabrics, though often with limitations compared to projectile systems.
- Rapier Looms: Highly versatile, they can handle diverse fabrics and widths using different rapier mechanisms. They offer significant width capabilities.
- Projectile Looms: These systems are specifically designed to accommodate very wide fabric production. The unique weft insertion method using projectiles allows for efficient operation across large widths, enabling the greatest fabric dimensions among these shuttleless types.
Maximum Width Achievement
The projectile weaving system is distinguished by its ability to produce the maximum fabric width compared to air jet, water jet, and rapier systems.
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Important Questions from FABR Shuttle Looms and Shuttleless Looms
- Profile reed is used in
- In a projectile weaving machine, the projectile travels through the shed at an average speed of $24$ m/s taking $2/3^{rd}$ of the loom cycle. If the efficiency of the weaving machine is $90\%$, the weft insertion rate (m/min) is (answer in integer) _________
- Match the looms listed in Group I with the corresponding components given in Group II. The correct option is
Group I Group II P. Multiphase 1. Matched cam Q. Projectile 2. Profile reed R. Air-jet 3. Crank shaft S. Shuttle 4. Weaving rotor - In a loom, seven-wheel take-up motion is
A shuttle loom having 1.75 m reed width is running at 180 rpm. The shuttle enters and leaves the shed at $120^\circ$ and $240^\circ$ angular positions of crankshaft, respectively. If length of the shuttle is 0.25 m, then the mean velocity (in m/s) of the shuttle within the shed is________.
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