Piercing Arrangements TRIZ Cases

Mobile service carriage detects thread breaks and reconnects yarn using optical inspection and mechanical joining devices.

Independent dual suction systems resolve vacuum bottlenecks during simultaneous maintenance, ensuring reliable thread searching.

A roller mechanism winds fiber bundle ends to enable precise thermocompression bonding, resolving positioning misalignment issues.

Dynamic vacuum capacity management removes defective yarn portions without requiring high-performance sources, reducing operational costs.

A yarn return unit guides and positions a yarn using an air flow generated by a blowing unit.

Independent template thread storage eliminates mobile service devices, reducing maintenance intensity and spool replacement time.

Cabling spindles adjust take-up speed relative to rotor rotation during yarn reserve formation to minimize friction time and prevent yarn breaks.

Information processing device determines doffing failure positions from yarn break detector signals to reduce manual search time.

Shared vertical linear guides reduce weight and complexity while enabling automated yarn end searching and cop handling in ring spinning machines.

Segmented piecing processes decouple home position movements from energy-intensive attachment steps to reduce cycle times by 6-8 seconds per workstation.

A piecing arm assembly positions tail yarn using guide fingers and a roller for precise alignment.

Coordinated acceleration phases eliminate slippage and sensor delays during pneumatic thread storage emptying on textile machines.

Station-mounted suction and air flow systems retrieve detached yarn ends through the vortex chamber to resume spinning without external robot intervention.

A ring spinning yarn piecing guide directs workers to broken spindles using a position detector and state memory without extra sensors.

A synthetic yarn splicer uses a shutter mechanism to close the passage during fluid injection.

A lappet tilting apparatus swivels hooks to enable automatic yarn insertion via a suction bell unit.

Piecing nozzles align with spindle inlets to create suction and protective twist, enabling forward roving piecing without reversing the fiber structure.

A suction pipe integrates a twisting nozzle to apply whirling airflow for stable yarn end capture.

Segmented vertical and horizontal motion components guide yarn ends to drafting arrangements, resolving spatial constraints at tight spinning station spacing.

Alternating air injection and suction periods prevent excessive force on yarn ends, resolving the contradiction between guiding efficiency and yarn strength.

A spinning unit positions a yarn defect detecting device between the spinning and tension stabilizing devices to maintain stable detection signals.

An independent drive positions the thread guide lever inclined to prevent reserve winding errors on empty tubes.

A textile service carriage uses a laser scanner for centring, eliminating mechanical wear and dirt sensitivity in positioning devices.

A movable friction segment applies braking force to a yarn end in an air-jet spinning station.