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We at SITRA with knowledge base acquired through our prolonged research and interaction with the industry over 60 years along with our enhanced multi-varied experience with spinning industry as well as with machinery/fibre manufacturing industry assure to offer the following services with global excellence:

  • Quality Audit
  • Maintenance/machinery Audit
  • Pilot mill
  • Other Services

Quality Audit

  • Quality control schedules
  • Process parameter optimisation from blow room to winding
  • Manpower for Quality Assurance departments
  • Achievable yarn quality for the type of machinery available in
    the mills and process control measures to attain targets
  • Quality of outgoing yarn.
  • Technical performance of various departments with regard to speeds, settings, in process material quality, end breaks
  • Machinery maintenance and quality control practices.

Maintenance/machinery Audit

  • Analysis of machinery condition
  • Maintenance schedules and its adequacy
  • Maintenance records
  • Use of proper lubricants and proper maintenance tools
  • Maintenance work methods and house keeping

Pilot mill

  • SITRA functions with a pilot mill having latest technology machines towards satisfying the needs of the customer in processing special type of fibres/yarns.
  • Some of the product development, spinning trials and process control testing are given below:

Product development

  • Technical textiles from conventional fibres like cotton, polyester, nylon, etc using short staple spinning machines.
  • Technical textiles from high performance fibres like aramid, flame retardant viscose, flame retardant polyester, etc.
  • Core yarn spinning in ring & friction spinning systems
  • Compact/Elitwist yarn spinning
  • Unconventional fibre belended yarn spinning like banana, milk weed, hemp fibres as well as kneaf fibre blends with cotton/polyester trials in ring and compact as well as rotoa spinning systems

Spinning trials

  • Processing of cotton, man-made fibres and their blends as per
    member mills’ request
  • Arriving at the optimum process parameters and achievable yarn quality for different raw materials
  • Rewinding study

Process control testing

  • SITRA had fabricated a simple portable instrument for measuring the degree of opening imparted to cotton in blow room line.
  • SITRA also offers in testing the sliver quality in Length Control Tester (LCT) towards optimizing the carding/drawing performance.

Trails and Testing

  • Rewinding study for defect analysis
  • TFO trials
  • Package hardness (Cone/cheese) testing
  • Sliver propensity testing
  • Snarl index testing
  • Roving strength testing

Other Services

The other consultancy services offered by this Division are:

  • Problem solving related to customer complaints
  • Process parameter optimisation from blow room to winding
  • Quality related problem solving related due to raw material, machinery, process and work practices.
  • Analysis of technical problems towards locating defects in yarns and fabrics and offer appropriate suggestions.
  • Guidance for the implementation of ISO quality systems.
  • Openness study in blow room
  • Quality circle implementation
  • Friction: Concepts and applications.

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