Tsudakoma Kogyo Kabushiki Kaisha

Tsudakowa Corp.

Kenjiro Ohno

Zenji Tamura

Yujiro Takegawa

Fumio Matsuda

A method of controlling the easing motion (1) of a loom executes a position control operation and a tension control operation successively in one weaving cycle of the loom. The position of an easing roller (6) included in the easing motion (1) is measured in a position control period, a correction is determined according to the deviation of the measured position of the easing roller (6) from a desired roller position, and a controlled variable is corrected by using the correction to make the actual position of the easing roller (6) approach the desired roller position.

Easing roller control method

A seersucker loom is arranged such that puckering warp yarns are divided to form a shed during the weaving of a seersucker. The tension of the puckering warp yarns is maintained on a level below that of the tension of the ground warp yarns. The puckering warp yarns are slackened positively at least during a slackening period from a shed closing operation to a beating-up operating of every turn of the main shaft of the seersucker loom so that the tension of the puckering warp yarns are reduced to a value which below a predetermined tension of the yarns during a period other than during the slackening period. This enables the loom to slacken portions of the puckering warp yarns near the cloth fell sufficiently during the beating-up operation so that the puckering warp yarns are satisfactorily puckered.

Growing community of inventors

Kanazawa, Japan

Kenjiro Ohno