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Mastercard—Xinlong flexible rapier loom



Mastercard—Xinlong flexible rapier loom Mastercard-Xinlong flexible rapier loom is a new type of high-end rapier loom jointly developed and designed by China Textile Machinery Co.,…

Mastercard—Xinlong flexible rapier loom

Mastercard-Xinlong flexible rapier loom is a new type of high-end rapier loom jointly developed and designed by China Textile Machinery Co., Ltd. and Italy’s New Billon Company, and manufactured by China Textile Machinery Co., Ltd. Scope of application and fabric varieties Xinlong rapier loom has wide adaptability and is suitable for weaving cotton yarn or synthetic yarn, combed wool yarn and chemical fiber filament. It can weave wool and worsted wool fabrics, light and medium thickness Cotton fabric, twill cotton fabric and corduroy fabric, as well as viscose, synthetic fiber, silk and other fabrics. Main structure Xinlong rapier loom is a flexible rapier loom with separate reed seats. Its mechanical structure is highly precise, the machine adjustment is stable, the operation is reasonable and simple, the maintenance work is less, and it conforms to the principles of ergonomics. This new concept of design. Shedding mechanism This machine can be equipped with BRG12 pedal device, 2212 and 2232 mechanical dobby devices, 2660 and 2650 electronic dobby devices and mechanical and electronic jacquard devices and other shedding mechanisms. Through rigid couplings and looms The reversing box connection can be adapted to the opening requirements of various fabrics. Weft insertion mechanism The weft insertion is completed by a four-phase twisted shaft sword transmission mechanism, a flat four-link and a sector gear reciprocating the sword belt drive wheel. This mechanism is composed of a number of extremely strong and well-sized components, which maximizes the efficiency of the weft insertion. The system operates sensitively, and the characteristic of the rapier head is that it has low acceleration, and the running speed curve conforms to the weft insertion without excessive spinning yarn deformation, which is convenient for weft clamping, weft cutting, and the handover and weft yarn at the center position. According to the release requirements, when changing the effective width, there is no need to adjust the time when the sword head is handed over at the center again. The geometry and size of the rapier drive mechanism provide perfect straight-line reeds, running smoothly without the need for rapier guides. There are no rapier guides in the shed. The technology effectively reduces interference with the warp yarns. The reed idlers are particularly smooth and reduce machine vibration. , reduce the noise. Warp let-off mechanism: Warp let-off can be equipped with mechanical let-off or electronic let-off. The mechanical let-off device is a positive continuous mechanism composed of a Hunt-type stepless speed regulation mechanism and a warp tension feedback mechanism. This mechanism has a simple structure, easy adjustment, sensitive rotation, and accurate feedback. The warp tension difference from the full shaft to the empty shaft is Only about 5%. Electronic let-off device, the electronic let-off controls the warp tension with high precision. During the entire weaving process, the warp tension is strictly controlled and the tension changes are small. Electronic let-off has the advantages of simple structure, wide range of varieties and easy operation. Coiling mechanism Coiling can be equipped with mechanical coiling device or electronic coiling device. Mechanical coiling device. This machine adopts continuous coiling. All transmission gears, worm gears and bevel gears are lubricated in the oil bath in the box. The loom is equipped with 10 change gears. According to the random supply, 269 weft density grades are available. The selected weft density meter selects a set of four changing gears, which can change the weft density in the range of 2 to 111 threads/cm (5 to 282 threads/inch) to meet the requirements of various types of fabrics. Open the weft density box cover on the front side of the machine and easily replace the four conversion gears. The electronic take-up device, through the comprehensive coordination of the loom control system, uses a stepper motor or a servo motor to control the warp delivery amount and fabric take-up amount respectively. The synchronization of warp let-off and take-up is excellent, and it can realize variable weft density weaving. The winding roller and the coating material on the surface of the winding roller can be equipped with emery, rough rubber, etc. as surface covering materials according to the type of fabric, such as general fabrics, silk fabrics, etc. The cloth rolling roller has a maximum winding diameter of 600mm. The cloth roller can be replaced during the operation of the machine. According to user requirements, a separate large-diameter cloth rolling device can be configured. Electronic let-off and electronic take-up control system The principle of electronic let-off and electronic take-up control system is that the information given by the microprocessor through the encoder on the loom, the sensor transmits the information of the dynamic warp tension change, after comprehensive coordination, and then through The warp let-off stepper motor controls the amount of warp delivery, and the warp take-up stepper motor controls the amount of fabric rolled by the take-up roller to achieve automatic control. Transmission reversing mechanism The loom is driven by a 5.5kW AC motor and a set of high-performance electromagnetic clutch brakes. Changing the speed of the loom can be achieved by changing the diameter of the motor’s V-belt pulley and adjusting the spacer between the pulleys. The main transmission and reverse transmission, the leisure transmission between the stand-alone hemming mechanism, and the leisure transmission between the reverse machine, warp let-off, take-up, weft selection and other mechanisms adopt high-torque synchronous toothed belt transmission, which is beneficial to reducing vibration and noise. This makes the loom work more smoothly. Automatic weft search system Microcomputer control automatically searches for broken wefts. Appropriate parameters can be selected according to the type of fabric to correct the weft breaking program to prevent parking stalls. After finding the broken weft, the reed and sword head stop at the dead center position, which does not affect the fabric and can minimize the defects of the finished product. Auxiliary mechanism: Conventionally configured devices include piezoelectric weft stop devices, top-mounted temple support devices, and six-row contact electronic stop devices. According to user requirements, it can also be equipped with eight-color or two-color electronic weft selection device, air suction device, selvedge leno hemming device, heald frame belt hemming device, independent false edge hemming device, fold-in hem device, mechanical or Electronic edge jacquard device and hot melt edge device. Preventive inspection and maintenance of looms Under normal circumstances, preventive inspection and maintenance should be carried out as specified in the table.
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