Circular Knitting Machines TRIZ Cases

Pre-compensated CNC milling corrects heat-treatment deformation in circular knitting needle walls, improving parallelism, wear life, and productivity.

Separate needle tracks let front loops use only one colored yarn, preventing ground-yarn show-through and sharpening double-sided fabric patterns.

Separate needle tracks keep ground yarn out of front loops, improving color purity and sharper blocks in double-sided yarn-dyed fabric.

Pre-selection and activation elements let each sinker be individually controlled, enabling complex stitch patterns in circular knitting without reconfiguration.

Pre-selection and activation elements let each needle control its sinker, enabling plain and terry stitches at chosen positions.

Individual sinker pre-selection and radial actuation expand stitch pattern flexibility in circular knitting without machine reconfiguration.

A 4-feed circular knitting layout inlays elastomer yarn inside and plates pattern yarns outside to keep compression hosiery smooth and decorative.

A dual-camera setup captures tubular fabric around connecting-rod occlusion, enabling real-time defective-needle detection and targeted replacement.

Heat-setting bicomponent yarns binds knit fastener loops, reducing stretchability while preserving air permeability without binder coatings.

An axial turner flips tubular hosiery inside out, while cylinder needles transfer and join stitches for a durable, hidden end seam.

An elastic joint retracts the first butt into its groove during cam interference, preventing drive-chain damage in circular knitting.

This case shows how rotating annular portions and radial trajectories stabilize loops during needle transfer with less interference.

A shoulder-shaped eyelet expands yarn loops before cutting, raising stitch density in short-pile knitting without side-by-side cutters.

An oscillating lever and elastic joint retract the butt during cam interference, preserving selection accuracy and compact chain size.

Synchronized main and auxiliary cameras monitor tubular fabric and identify defective needles for targeted replacement during knitting.

A double-cylinder circular knitting machine uses a motor-driven arm to shift the upper needle cylinder laterally for automated pick-up device access.

Axial movement of the tubular body maintains loop arrangement precision during transfer, preventing defects caused by rapid lifting speeds.

Radially sliding hook-shaped pickup elements engage loops and close compartments via safety means to prevent disengagement during transfer.

Rotating needle-holding cylinder moves selected open-work sinkers to create elongated interstitches.

A circular knit tubular textile ear loop uses elastic and inelastic yarns to create a pillowed structure.

Disengaging sinkers before lifting needles enables precise automated pick-up of tubular hosiery items without disrupting knitting production.

Intermediate cam positions sinkers between retracted and advanced states, reducing circumferential space requirements and preventing overlapping errors.

Inverted article alignment enables internal seam formation without complex machine modifications or external seams.

An automatic engaging mechanism disengages the hook plate drive for safe maintenance while preserving alignment to prevent mechanical wear.

Fixed cams actuate selectable heel positions to transfer needles between coaxial cylinders, eliminating complex movable cam mechanisms and control devices.

Segmented triangular ankle panels adapt to leg contours, reducing slippage and improving comfort compared to circular openings.

Adjustable take-down assembly maintains fixed angular position relative to needle dead zone for precise fabric collection.

A break-away mount allows a fabric scanner to rotate and pivot with moving textile.

Rib portions and support elevations on the shank absorb oscillations and distribute loads to maintain precise guidance during high-speed knitting.

Adjustable take-down assembly with rotating cutting devices trims selvedges during production, eliminating curled edges in width-variable web knitting.

Segmented actuating components decouple axial movement from radial needle activation, enabling smaller diameter machines to maintain high yarn feeding capacity.

Integrated conveying elements transfer knitted wire sections to eliminate chaff and material loss from blade cutting.

Movable cams replace fixed mechanisms to resolve contradictions between pattern versatility and device complexity.

Non-parallel channel walls create pressure differences that guide airflow, reducing heat accumulation and fabric contamination in knitting machines.

Circular knitting machine segments fabric zones to apply reciprocating motion for fit and continuous motion for speed.

An offset device with movable inlet and outlet gears adjusts the needle-holding plate position in circular knitting machines.

A pick-up device transfers knitting loops from machine needles to a handling spike array for axial closure.

Protruding shoulder portions on crochet needles form eyelets that expand yarn loops, enabling precise cutter engagement without side-by-side shearing blades.

A machine knitting needle features a convex shank contour between the hook and cheek to reduce latch impact forces.

Composite yarn structure segments elastic filaments from inelastic functional cores to enable stretch recovery while maintaining structural integrity.

A knitted fabric for hook-and-loop fasteners uses a tricot stitch structure to form directional piles.

Alternating pusher cams selectively actuate sinkers to reduce excessive tension on non-knitting needles, preventing defects without pneumatic complexity.

A knitting transfer unit overturns half-rings of pick-up members to align tubular article edges for automated toe closure.