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Sen'i Kikai Gakkaishi (journal of The Textile Machinery Society of Japan)最新文献

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Frequency Analysis of the Sound Caused by Shedding Motion Using a Short Time Fourier Transform 用短时傅里叶变换分析脱落运动引起的声音频率
Sen'i Kikai Gakkaishi (journal of The Textile Machinery Society of Japan) Pub Date : 2002-03-25 DOI: 10.4188/TRANSJTMSJ.55.3_T33
Daisuke Miyashita, T. Kinari, Sukenori Shintaku, Y. Iwata
{"title":"Frequency Analysis of the Sound Caused by Shedding Motion Using a Short Time Fourier Transform","authors":"Daisuke Miyashita, T. Kinari, Sukenori Shintaku, Y. Iwata","doi":"10.4188/TRANSJTMSJ.55.3_T33","DOIUrl":"https://doi.org/10.4188/TRANSJTMSJ.55.3_T33","url":null,"abstract":"Noise in weaving mills becomes much louder with increasing speed of weaving machine. One of the sources of the noise is the collision of healds caused by shedding motion on a jet loom. It was clarified in our previous report that the sound caused by shedding motion was significantly connected with heald motion during a period of shedding motion. In this report, therefore, its frequency characteristic was investigated using a Short Time Fourier Transform in order to relate the sound to the heald motion in a period of shedding motion. Power spectrum of sound showed a feature near the upper dead point of shedding motion when healds collided the heald bar. Superposing sound pressure signals during several periods of shedding motion, we found that some peaks of power spectrum were emphasized near the upper dead point of shedding motion.","PeriodicalId":339262,"journal":{"name":"Sen'i Kikai Gakkaishi (journal of The Textile Machinery Society of Japan)","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131685172","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
National Policies on Recycling and its prospect for Textile Products 国家对纺织产品回收利用的政策与展望
Sen'i Kikai Gakkaishi (journal of The Textile Machinery Society of Japan) Pub Date : 2002-02-25 DOI: 10.4188/TRANSJTMSJ.55.P55
Takash Yamada
{"title":"National Policies on Recycling and its prospect for Textile Products","authors":"Takash Yamada","doi":"10.4188/TRANSJTMSJ.55.P55","DOIUrl":"https://doi.org/10.4188/TRANSJTMSJ.55.P55","url":null,"abstract":"","PeriodicalId":339262,"journal":{"name":"Sen'i Kikai Gakkaishi (journal of The Textile Machinery Society of Japan)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131211195","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Transverse Vibration Properties of Heald for Jet Loom 喷射织机综纱横向振动特性研究
Sen'i Kikai Gakkaishi (journal of The Textile Machinery Society of Japan) Pub Date : 2002-02-25 DOI: 10.4188/TRANSJTMSJ.55.T15
T. Kinari, Y. Iwata, Sukenori Shintaku, Daisuke Miyashita
{"title":"Transverse Vibration Properties of Heald for Jet Loom","authors":"T. Kinari, Y. Iwata, Sukenori Shintaku, Daisuke Miyashita","doi":"10.4188/TRANSJTMSJ.55.T15","DOIUrl":"https://doi.org/10.4188/TRANSJTMSJ.55.T15","url":null,"abstract":"It becomes important to understand dynamic properties of moving parts of the loom according to increasing speed on the jet loom. There is no-information, however, for the heald vibration generated in the shedding motion of the loom. In this report, natural frequencies of the transverse vibration forhealds are investigated by means of impulsive resonance. Frequency resonances are obtained for ten kinds of commercial flat healds those differ in their length, thickness or material by using animpacthummer equipped with a load sensor and a laser displacement sensor system. The natural frequency of a flat heald can be roughly estimated on the assumption that it has an uniform rectangular cross section. It is also found that the first natural frequency of the transverse vibration for the flat heald supported on its both ends exists slightly higher than its actual driving speed.","PeriodicalId":339262,"journal":{"name":"Sen'i Kikai Gakkaishi (journal of The Textile Machinery Society of Japan)","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128760792","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Present Status and Problem of Japanese Rag and Fiber Waste Business 日本废布、废纤维经营现状及问题
Sen'i Kikai Gakkaishi (journal of The Textile Machinery Society of Japan) Pub Date : 2002-02-25 DOI: 10.4188/TRANSJTMSJ.55.P71
K. Kadokura
{"title":"Present Status and Problem of Japanese Rag and Fiber Waste Business","authors":"K. Kadokura","doi":"10.4188/TRANSJTMSJ.55.P71","DOIUrl":"https://doi.org/10.4188/TRANSJTMSJ.55.P71","url":null,"abstract":"","PeriodicalId":339262,"journal":{"name":"Sen'i Kikai Gakkaishi (journal of The Textile Machinery Society of Japan)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126944448","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Relation between Heald Motion and the SoundCaused by Shedding Motion on Weaving Machine 织布机落丝运动与声音的关系
Sen'i Kikai Gakkaishi (journal of The Textile Machinery Society of Japan) Pub Date : 2002-02-25 DOI: 10.4188/TRANSJTMSJ.55.T20
T. Kinari, Daisuke Miyashita, Sukenori Shintaku, Takuya Moriguchi, Takayuki Dan, Y. Iwata
{"title":"Relation between Heald Motion and the SoundCaused by Shedding Motion on Weaving Machine","authors":"T. Kinari, Daisuke Miyashita, Sukenori Shintaku, Takuya Moriguchi, Takayuki Dan, Y. Iwata","doi":"10.4188/TRANSJTMSJ.55.T20","DOIUrl":"https://doi.org/10.4188/TRANSJTMSJ.55.T20","url":null,"abstract":"It is well known that weaving mills become noisy with increasing speed of a jet loom. One of the authors used the heald frames equipped with bar magnets in order to reduce the heald vibration, and reported that the disorder of the heald motion during shedding motion was improved. Then, sound heard by human ears seemed reduced, but there was no significant difference in the noise level measured with the noise-level meter.In this report, therefore, the high response sound measuring system was arranged in order to obtain the time chart of sound pressure level caused by healds during shedding motion. High-speed video-camera was also used in order to observe the healds motion. It was clarified that the noise was significantly connected with healds motion during shedding motion. Large sound occurred in two cases : when healds collided with the heald bar vertically near the upper dead point of shedding motion and when healds collided at random by rebounds around the lower dead point of shedding motion.","PeriodicalId":339262,"journal":{"name":"Sen'i Kikai Gakkaishi (journal of The Textile Machinery Society of Japan)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128599125","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Present and Future of Studies on Textile Recycle in Public Research Institute 公共研究所纺织品回收研究的现状与未来
Sen'i Kikai Gakkaishi (journal of The Textile Machinery Society of Japan) Pub Date : 2002-02-25 DOI: 10.4188/TRANSJTMSJ.55.P64
K. Yamaguchi
{"title":"Present and Future of Studies on Textile Recycle in Public Research Institute","authors":"K. Yamaguchi","doi":"10.4188/TRANSJTMSJ.55.P64","DOIUrl":"https://doi.org/10.4188/TRANSJTMSJ.55.P64","url":null,"abstract":"","PeriodicalId":339262,"journal":{"name":"Sen'i Kikai Gakkaishi (journal of The Textile Machinery Society of Japan)","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116026344","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Improvement of Mechanical Properties of Polylactide (PLA) Spunbonds with a Trial Needle Processing Machine 用试验针加工机改进聚乳酸(PLA)纺粘剂的力学性能
Sen'i Kikai Gakkaishi (journal of The Textile Machinery Society of Japan) Pub Date : 2002-01-25 DOI: 10.4188/TRANSJTMSJ.55.T1
Jitsuo Sugai, K. Tokunaga, K. Joko, Chika Kondoh, T. Hirota, O. Yaida
{"title":"Improvement of Mechanical Properties of Polylactide (PLA) Spunbonds with a Trial Needle Processing Machine","authors":"Jitsuo Sugai, K. Tokunaga, K. Joko, Chika Kondoh, T. Hirota, O. Yaida","doi":"10.4188/TRANSJTMSJ.55.T1","DOIUrl":"https://doi.org/10.4188/TRANSJTMSJ.55.T1","url":null,"abstract":"A new type of needle processing machine; needle pricker has been developed. The principle of needle pricker is different from that of conventional raising machine. The principle is to pierce ultra fine and barbed needle tips to process fabric and modify the surface and structure to render soft and voluminous hand. The effects of needle processing on the structure of polylactide spunbonds were examined by means of the changes in mechanical properties. Needle processing lost the tensile strength of polylactide spunbonds, but hand of polylactide spunbonds was improved.","PeriodicalId":339262,"journal":{"name":"Sen'i Kikai Gakkaishi (journal of The Textile Machinery Society of Japan)","volume":"194 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122854133","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fiber Orientation and Concentration Distribution in Flow of a Concentrated Suspension through a Slit Channel Containing a Circular Obstacle 含圆形障碍物的狭缝通道中浓缩悬浮液的纤维取向和浓度分布
Sen'i Kikai Gakkaishi (journal of The Textile Machinery Society of Japan) Pub Date : 2002-01-25 DOI: 10.4188/TRANSJTMSJ.55.T7
K. Yasuda, K. Nakamura, N. Mori
{"title":"Fiber Orientation and Concentration Distribution in Flow of a Concentrated Suspension through a Slit Channel Containing a Circular Obstacle","authors":"K. Yasuda, K. Nakamura, N. Mori","doi":"10.4188/TRANSJTMSJ.55.T7","DOIUrl":"https://doi.org/10.4188/TRANSJTMSJ.55.T7","url":null,"abstract":"Distributions of fiber orientation and fiber concentration were measured in the flow of a concentrated fiber suspension (CFS) and a dilute one (DFS) through a slit channel containing a cylinder obstacle. In the present paper, those in the flow are quantitatively estimated by direct observation of fibers in the flow of a concentrated suspension, while those in injection molded parts of fiber-reinforced plastics have been studied qualitatively by many researchers. For the CFS, some fibers rotate in an expansion part between the channel wall and the obstacle and the degree of orientation becomes low. The preferred direction of fibers fluctuates in the downstream region of the expansion part. However, almost all fibers near the centerline downstream of the obstacle orient perfectly along the flow direction. This fiber orientation is induced by an elongational flow near the centerline. Furthermore, the fiber concentration for the DFS shows a flat distribution except near the channel wall, while that for the CFS monotonically increases from the wall toward the centerline.","PeriodicalId":339262,"journal":{"name":"Sen'i Kikai Gakkaishi (journal of The Textile Machinery Society of Japan)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121048489","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Present Situation and Direction of Cloth Modeling within Apparel Industry 服装行业布料造型的现状与发展方向
Sen'i Kikai Gakkaishi (journal of The Textile Machinery Society of Japan) Pub Date : 2001-12-25 DOI: 10.4188/TRANSJTMSJ.54.12_482
Noritsune Sekiguchi, Futoshi Tanaka
{"title":"Present Situation and Direction of Cloth Modeling within Apparel Industry","authors":"Noritsune Sekiguchi, Futoshi Tanaka","doi":"10.4188/TRANSJTMSJ.54.12_482","DOIUrl":"https://doi.org/10.4188/TRANSJTMSJ.54.12_482","url":null,"abstract":"","PeriodicalId":339262,"journal":{"name":"Sen'i Kikai Gakkaishi (journal of The Textile Machinery Society of Japan)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114796197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Introduce to virtual try-on and virtual design by using DressingSim 介绍了用DressingSim进行虚拟试穿和虚拟设计
Sen'i Kikai Gakkaishi (journal of The Textile Machinery Society of Japan) Pub Date : 2001-12-25 DOI: 10.4188/TRANSJTMSJ.54.12_493
Y. Sakaguchi
{"title":"Introduce to virtual try-on and virtual design by using DressingSim","authors":"Y. Sakaguchi","doi":"10.4188/TRANSJTMSJ.54.12_493","DOIUrl":"https://doi.org/10.4188/TRANSJTMSJ.54.12_493","url":null,"abstract":"","PeriodicalId":339262,"journal":{"name":"Sen'i Kikai Gakkaishi (journal of The Textile Machinery Society of Japan)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123564008","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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