In this paper the rule of take-down speed variationthrough a mechanism of eccentric links is analysed.Us-ing telemetric technique,the authors dynamicly mea-sured take-down speed and tension of this mechanism.The curve...In this paper the rule of take-down speed variationthrough a mechanism of eccentric links is analysed.Us-ing telemetric technique,the authors dynamicly mea-sured take-down speed and tension of this mechanism.The curve diagram of the take-down speed is experi-mentally obtained.Results of theoretical analysis and ex-perimental measurement show that take-down tensionof this kind of mechanism is more even than that of theoblique rings in model Z214 interlock machine and it isdeeply affected by many factors which include the instal-lation of the conic gear,horizontality of the take-downroller,gaps between hinge joint points of the wholemechanism and so on.展开更多
In this paper,what causes the setting-on place of woven fabrics without adopting tension compensation is explained by means of experimental methods.Owing to that the main shaft speed and the beating speed of reed can ...In this paper,what causes the setting-on place of woven fabrics without adopting tension compensation is explained by means of experimental methods.Owing to that the main shaft speed and the beating speed of reed can not attain the normal values at setting-on,the warp tension and the beating force of the reed can neither reach the normal level.Therefore,the relative slippage movement of the weft against the warp during beating will be less,while the common movement of the weft together with the warp will be bigger than those at nor-mal running.As a result,the setting-on place is展开更多
Presents the fin-propeller test set-up to solve the problem of roll stabilization with ships in full speed range, withwhich, tests were run in water rank for acquisition of data, and concludes from data acquired that ...Presents the fin-propeller test set-up to solve the problem of roll stabilization with ships in full speed range, withwhich, tests were run in water rank for acquisition of data, and concludes from data acquired that the fin-propeller test set-up produces more lift than simple fin, and provides lateral thrust as well, and it is therefore an effective roll stabilization devicefor ships in full speed range.展开更多
文摘In this paper the rule of take-down speed variationthrough a mechanism of eccentric links is analysed.Us-ing telemetric technique,the authors dynamicly mea-sured take-down speed and tension of this mechanism.The curve diagram of the take-down speed is experi-mentally obtained.Results of theoretical analysis and ex-perimental measurement show that take-down tensionof this kind of mechanism is more even than that of theoblique rings in model Z214 interlock machine and it isdeeply affected by many factors which include the instal-lation of the conic gear,horizontality of the take-downroller,gaps between hinge joint points of the wholemechanism and so on.
文摘In this paper,what causes the setting-on place of woven fabrics without adopting tension compensation is explained by means of experimental methods.Owing to that the main shaft speed and the beating speed of reed can not attain the normal values at setting-on,the warp tension and the beating force of the reed can neither reach the normal level.Therefore,the relative slippage movement of the weft against the warp during beating will be less,while the common movement of the weft together with the warp will be bigger than those at nor-mal running.As a result,the setting-on place is
文摘Presents the fin-propeller test set-up to solve the problem of roll stabilization with ships in full speed range, withwhich, tests were run in water rank for acquisition of data, and concludes from data acquired that the fin-propeller test set-up produces more lift than simple fin, and provides lateral thrust as well, and it is therefore an effective roll stabilization devicefor ships in full speed range.