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5. Einführung in die Grundlagen der Kettenwirkerei

Course title WKB

In this course we want to introduce you to the principles of warp knitting. The course consists of an extensive introduction with theoretical and practical shares.

Target group

Users without special training in warp knitting (machine operators, staff from the sections machine maintenance, sales, agency, managers, junior staff for warp knitting)

Training requirements

Readiness for teamwork, good powers of comprehension as well as open-mindedness within a cross-cultural work group. Good knowledge of the selected language.

Training duration

2 weeks

Trainings topics:

1. Machines

   • General machine information based on the KARL MAYER machinery programme
   • Machine construction and technical features of tricot machines and Raschel machines
   • Construction, operating principles and interplay of the knitting elements
   • Chain links and pattern discs
   • Yarn feeding units, fabric take-up systems 

2. All about fibres

   • General survey, specific features of man-made fibres and natural fibres

3. Study of fabric constructions

   • Basic stitch constructions in warp knitting
   • Commonly used lappings and their combination
   • Preparation of chain notations and lapping diagrams
   • Analysis of simple basic stitch constructions/patterns 

4. Textile calculations

   • Dealing with different yarn count systems 
   • Number of yarn ends/threading, spacing/gauges and number of needles
   • Calculation of yarn run-in values
   • Production output and efficiency
   • Calculation of warping length, sectional warp beams and guide bars
   • Calculation of the fabric weight with different yarn percentages  

5. Practical works on training machines

   • Set-up of analysed patterns on the machine
   • Exercises for the threading of yarns on the machine
   • Working with pattern chains and pattern discs
   • Machine operation and troubleshooting (fault finding)