Production Rates of various Looms

The Production rates of the various types of looms are presented for comparison in Table


Loom type Available width in cms Speed in rpm Weft insertion rates(ppm)

Projectile
Sulzer Ruti P7100             190-540                 320                      1100-1200
Sulzer Ruti P7200             190-540                 430                      1500
STB Russia                      180-330                 300                     750

Rigid Rapier
SACM                              150                       550                      1110
Dornier                            150-400                460                      1000
Gunne                             230                       330                      1200

Flexible Rapier
Somet                             165-410                 550                      1300
Vamatex                          160-380                510                      1300
Sulzer Ruti                       110-280                 325                      1200
Nuovo Pignone                 220-420                 440                      1000

Water Jet
Metor SPA                       230                         1000                    1600
Nisson                            150-210                   1000                    2000
Tsudakoma                    150-210                   1000                     2000

Air Jet
Sulzer Ruti                     upto 300                  750                       1600
Picanol Omni                  190-380                  800                       1800
Picanol Delta                  190                         1110                     2000
Toyoda                          150-330                  850                       2000                          
Tsudakoma                   152-340                   1000                     2200
Lakshmi Ruti                  190                         500                       1200
Dornier                          430                         600                       2520

Linear Multiphase
Elitex                            about 190               1100-1600               2000-3000

Drum type Multiphase
Sulzer M8300                 190                        3230                       6088
 
Out of these single phase looms, Air jet loom is having maximum speed and maximum weft insertion rate. Because of the very high quality of yarn required, the yarn must be of very high standard, otherwise the loom stoppages due to warp breaks and weft breaks will be high. The efficiency achieved will be in the order of 93 to 95%.
Other looms like projectile and repair will give an efficiency of about 90 to 95%. The cover of the fabric in air jet will not be as good as projectile and rapier looms. Efficiency in multiphase loom is in the order of 90 to 95% These are the speeds obtained by the weavers at commercial level. The main reason for targeting higher productivity is to reduce the cost of production, especially labour cost. The increase in speed is being achieved the improvement in all major functional parts of the modern looms Today the market particularly demands wide variety as much as possible at the lowest possible cost. These machines provide the feature such as :
  • The possibility of weaving more difficult products in terms of yarn employed and also in combinations
  • Application potential in all weaving sectors.
Sulzer Ruti 6300 rapier loom will weave not only fashion, fabrics with us many as 8 weft colours but also furnishing fabrics, simple print base fabrics and denims as efficiently as light to heavy weight industrial fabrics.
The terry plus airjet terry weaving machines of Gunne not only permit greater pile height and heavier fabrics, it also offers greater flexibility in operation with the ability to change the fabric width and pile height. On the machine the drawing width can be changed using the same reed, simply by shifting the weft stop motion and the weft cutter. The pile height is programmable within the same fabric. Special fabric constructions with different pile heights on front and back are also possible. For Sulzer P7300 projectile looms a variety of back rest roller and cloth take up systems are available to suit the density and the type of fabric woven.