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Predictions of fabric weight per unit area of single and double knitted structures using appropriate software

Gravas E., Kiekens P., Van Langenhove L.

Autex Research Journal

2006

Vol. 6, no. 4

223--237

This project deals with the prediction of knitted fabric weight per unit area using appropriate software called 'proKNIT'. The software has been designed according to existing bibliography and has the ability of determining the weight of knitted fabrics in different relaxing conditions by entering process and material variables i.e. type of fabric and fiber, knitting machine gauge, yarn count, fabric loop length and tightness factor. The prediction of the fabric weight is dependent upon the dimensional parameters of Kc, Kw, Ks and R, which have been fed into the system. Therefore, 'proKNIT' has the ability of calculating the fabric weight of single and double knit structures, i.e. plain-knit, purl, 1X1 rib, 2X2 rib and interlock, for natural fibres such as cotton/cotton blends and wool/wool blends.

An approach to the 'ProKNIT' system and its value in the production of weft-knitted fabrics

Gravas E., Kiekens P., Van Langenhove L.

Autex Research Journal

2005

Vol. 5, no. 4

220--227

'ProKNIT' is the result of a project based on the consideration that knitted fabrics shrink in both directions, or that some of them shrink in one direction but expand in another. This shrinkage and extension is not proportional; it varies greatly depending on the type of knitted fabric. However, one value that always changes by increasing upon fabric shrinkage is the fabric's weight. Increases in weight from shrinkage will not only increase the cost of production but may also affect the final product in a number of ways. Therefore, a program that would help to avoid problems of this nature could be created which would predict the weight of the knitted fabrics in different relaxed conditions, by using appropriate variables such as knitting machine gauge, yarn count, type of fabric, fabric loop length, tightness factor and courses & wales per unit length, but would not be too difficult to operate. This is how 'proKNIT' came about. The first part of the word 'pro' derives from the Greek meaning 'before'; therefore, the name of the system appropriately refers to the estimations made before a knitting fabric is produced.