EP 1609893 A2 20051228 - Spinning machine with abnormality detecting device for drafting device
Title (en)
Spinning machine with abnormality detecting device for drafting device
Title (de)
Spinnmaschine mit Vorrichtung zum Nachweis eines abnormalen Zustandes in einem Streckwerk
Title (fr)
Métier à filer avec dispositif de détection d'une anomalie dans un système d'étirage
Publication
Application
Priority
JP 2004181567 A 20040618
Abstract (en)
A drafting device 11 drives front bottom rollers 12, middle bottom rollers 13, and back bottom rollers 14 each by two motors: front roller driving motors 16a and 16b, middle roller driving motors 17a and 17b, and back roller driving motors 18a and 18b. The driving motors are variable-speed-controlled through inverters 19a, 19b, etc. , which are provided with current sensors SA. The current sensors SA detect the amount of electric current supplied in correspondence with the load torques of the driving motors 16a, 16b, etc. A CPU 31 judges that there is abnormality when the difference between the load torques of the two motors driving each back roller is deviated from a set range.
IPC 1-7
IPC 8 full level
D01H 1/22 (2006.01); D01H 13/14 (2006.01); D01H 13/20 (2006.01)
CPC (source: EP)
D01H 1/22 (2013.01); D01H 13/20 (2013.01)
Designated contracting state (EPC)
CH DE IT LI
DOCDB simple family (publication)
EP 1609893 A2 20051228; EP 1609893 A3 20060614; EP 1609893 B1 20081203; CN 100443644 C 20081217; CN 1710166 A 20051221; DE 602005011360 D1 20090115; JP 2006002300 A 20060105
DOCDB simple family (application)
EP 05011192 A 20050524; CN 200510074048 A 20050530; DE 602005011360 T 20050524; JP 2004181567 A 20040618