There are many differences between rib and interlock knitting, although
both are double jersey knitting.
Topic | Rib Knitting | Interlock Knitting |
Knitting bed | Knitting done by double bed machines | Knitting done by double bed machines |
Needle sets | One sets of needles in each bed | Two sets of needles in each bed (Short & long needles) |
Cam tracks | One cam track in each bed | Two cam tracks in each bed |
Needle position | Needles in two opposite beds are in between | Needles in two beds face each other- short needles faces long needles and vice versa (Conventional) or dial needle stays in opposite position than cylinder needle (modern). |
Yarn per effect | Each rib course is made of one yarn | Each interlock course is made of two yarns |
Appearance | Fabric has rib appearance | No rib effect |
Surface feel | Fabric surface is rough | Smooth |
Extensibility | Highly extensible specially in widthwise | Less extensible |
Compactness | Less | More |
Dimensional Stability | Less | More |
Machines | Simpler and less costly | Complicated and costly |
Interchange | Interlock knitting is not possible in rib machine | Rib knitting is possible in interlock machine |
Structure |  |  |
Reference:
Fundamentals & advances in knitting technology- Sadhan Chandra Ray
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