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Weaving-bsl

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  • 1. Weaving •“A textile craft in which two distinct sets of yarns or threads are interlaced to form a fabric or cloth. The threads which run lengthways are called the warp and the threads which run across from side to side are the weft or filling.”Sunday, October 23, 2011 TEXTILE INTERNSHIP- DILIP SINGH, KUMAR SARVESH, PRASHANT GAURAV & RAJEEV SHARAN/ DFT-05/ NIFT BANGALORE
  • 2. Weaving •Machineries Used:Manufacturer Model Reed space No. Of machinesPicanol Optimax Single width 85” 12Sulzer – Ruti P 7100 Single width 85” 76Sulzer – Ruti P 7100 Double width 153” 16Sulzer – Ruti G 6200 Single width 85” 36Total no. Of machine 140 Sunday, October 23, 2011 TEXTILE INTERNSHIP- DILIP SINGH, KUMAR SARVESH, PRASHANT GAURAV & RAJEEV SHARAN/ DFT-05/ NIFT BANGALORE
  • 3. WeavingAccumulators:Following models of accumulators are used: Technomatex – Futura (Switzerland) IWF – Sweden ROJ – Electrotex AT – 1200 VIRIEL – Technomatex Sunday, October 23, 2011 TEXTILE INTERNSHIP- DILIP SINGH, KUMAR SARVESH, PRASHANT GAURAV & RAJEEV SHARAN/ DFT-05/ NIFT BANGALORE
  • 4. WeavingAccumulator Setting:Electronic head of Accumulator has one ON/OFF switch & 4settings are there,1. Setting of winding Speed by a set screw.2. Intensity of photocell can be changed according to type of weftyarn Texture or spun.3. Amount of yarn wound on winding head by altering the positionof photocell by the help of rotating screw arranged with Rack-Pinion system.4. NT / RT setting Sunday, October 23, 2011 TEXTILE INTERNSHIP- DILIP SINGH, KUMAR SARVESH, PRASHANT GAURAV & RAJEEV SHARAN/ DFT-05/ NIFT BANGALORE
  • 5. WeavingImportant mechanism of weaving: WARP INSERTION SHEDDING MECHANISM MECHANISM BEAT UP TAKE UP MECHANISM MECHANISM LET OFF PICK FINDING MECHANISM MECHANISM STOP MOTION MECHANISM Sunday, October 23, 2011 TEXTILE INTERNSHIP- DILIP SINGH, KUMAR SARVESH, PRASHANT GAURAV & RAJEEV SHARAN/ DFT-05/ NIFT BANGALORE
  • 6. WeavingTechnical specifications of P 7100 weaving machines: The machine handles practically all types of yarns: spun yarn, filament yarn, fancy yarn etc. In the weft the machine processes staple fiber yarns from Nm 0.5-160 and continuous filament yarns from 5000-10.8 denier. Weft density is between 0.83-181.5 picks/cm. Maximum weft insertion rate 1200 meter / min. and speed upto 400 rpm. Can work for upto four different weft colours. Nominal width 190-540 cm. Machine design is extremely compact. Sunday, October 23, 2011 TEXTILE INTERNSHIP- DILIP SINGH, KUMAR SARVESH, PRASHANT GAURAV & RAJEEV SHARAN/ DFT-05/ NIFT BANGALORE
  • 7. WeavingTechnical specification of G 6200 weaving machines: Nominal width of the machine is 220 cms. Can work for upto four different weft colours. Stabuli jacquard for construction of selvadge. Maximum weft insertion rate 900 – 1100 metre per minute. Maximum working speed is 400 rpm. Sunday, October 23, 2011 TEXTILE INTERNSHIP- DILIP SINGH, KUMAR SARVESH, PRASHANT GAURAV & RAJEEV SHARAN/ DFT-05/ NIFT BANGALORE
  • 8. WeavingLight signals in use: Blue light blinking: warp thread breakage. Yellow light blinking: weft threads breakage. Yellow and red light blinking: shut down via emergency switch. Red light: mechanical fault. Red light blinking when machine is working: electronic projectile detector or weft detector switched off. Sunday, October 23, 2011 TEXTILE INTERNSHIP- DILIP SINGH, KUMAR SARVESH, PRASHANT GAURAV & RAJEEV SHARAN/ DFT-05/ NIFT BANGALORE
  • 9. WeavingSensors and stop motion: Projectile sensor: It is a metallic sensor situated at the receiving side and it senses that projectile is reaching at correct angle or not. Let – off sensor: P7100 provides electronic let off. If tension in warp sheet decreases the sensor senses it by suitable arrangement and motor regulates warp sheet accordingly Weft sensor: To sense the presence and absence of weft supply at receiving side. Angle sensor: To stop the loom at correct angle at particular degree Warp stop motion: Electrical warp stop motion work together with drop pin attachments Sunday, October 23, 2011 TEXTILE INTERNSHIP- DILIP SINGH, KUMAR SARVESH, PRASHANT GAURAV & RAJEEV SHARAN/ DFT-05/ NIFT BANGALORE