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RFJA type air jet loom



RFJA air jet loom RFJA10 air-jet loom is a new type of air-jet loom independently developed by Zhejiang Rifa Holding Group Co., Ltd. Its design starting point is to provide custome…

RFJA air jet loom

RFJA10 air-jet loom is a new type of air-jet loom independently developed by Zhejiang Rifa Holding Group Co., Ltd. Its design starting point is to provide customers with looms with excellent performance and affordable prices. This loom station is able to meet customers’ requirements for weaving high-quality fabrics at low cost and is in line with customers’ investment returns. It is a reliable guarantee for customers to win in the increasingly fierce market competition.
Main structure ① The solid rack structure adopts strong box-type wall panels on both sides and solid beams to form a solid rack, and adds an intermediate support for the rack, which has good earthquake resistance and reliability, ensuring The loom is ultra-high-speed, wide-width and low-noise.
② Optimized design of the beat-up mechanism The four-link beat-up mechanism optimized by computer has short beat-up stroke, small vibration, and corresponding long weft insertion time. It can perform strong stabilization during ultra-high-speed operation. Beat up the weft and weave high-quality fabric products.
The narrow-width machine adopts a four-link beat-up with excellent high-speed adaptability, and the wide-width machine adopts a six-link beat-up with excellent weft insertion time, thereby achieving stable weft insertion during ultra-high-speed operation.
In addition, the middle support structure of the rocking shaft improves the rigidity of the beat-up mechanism, ensuring accurate and powerful beat-up during ultra-high-speed operation.
③Powered super-start motor adopts today’s advanced super-start motor, which can produce high output torque when the loom is started to improve the beating force of the weft. At the same time, it adopts an electromagnetic brake with high torque to improve the braking force. , thereby preventing the occurrence of parking stalls and improving the product quality of the fabric.
Shedding device ① Negative cam shedding device: The multi-8-page heald frame negative cam shedding device adopts a negative cam mechanism adapted to ultra-high-speed operation. It is designed with good warp shedding, suitable for high-speed operation of the loom, and it is easy to replace the cam. . Suitable for weaving plain, twill and satin fabrics.
②Crank shedding device: 4-page heald frame (optional) Suitable for weaving high-quality plain weave fabrics.
③Positive cam shedding device: 8-page heald frame (optional) Suitable for weaving plain weave, twill and satin fabrics, etc. Positive cam is more suitable for heavy-duty and wide-width looms.
④Dobby shedding device: 16-page heald frame (optional) Suitable for weaving many types of high value-added fabrics such as plain weave, twill, satin weave and dobby jacquard.
⑤ Jacquard opening device (optional) Suitable for weaving jacquard fabrics.
The weft insertion device adopts the weft insertion method of main nozzle + auxiliary nozzle + special-shaped reed. The CPU issues opening and closing instructions to the high-frequency solenoid valve to realize the injection timing control of the nozzle, so that the injection can be achieved during high-speed operation. Even and powerful.
During ultra-high-speed operation or wide-width weaving, a standard auxiliary main nozzle linked to the main nozzle can be used to accelerate the weft yarn with lower air pressure, which can prevent damage to the weft yarn and achieve stable operation with less weft breakage.
The weft finder adopts a dual probe method. In addition to detecting the usual short weft or bent weft, it can also detect the phenomenon of the weft being blown or long, making it foolproof. The probe has strong resistance to pollution and the detection is stable and reliable.
Electronic let-off device detects the total warp tension through the tension sensor, and the CPU processes the warp tension changes due to shedding or easing, warp let-off, and changes in the winding diameter of the warp beam, and instructs the servo motor to drive the warp beam, thereby operating the warp During the process, a balanced tension is maintained, and the dense gear is removed to ensure that the fabric is even and flat.
The use of a highly rigid frame, large-diameter warp beam gears, and a built-in oil-bath positive warp loosening drive shaft has further enabled the loom to achieve higher speeds and can more flexibly adapt to the weaving requirements of high-density fabrics.
Coiling device Coiling adopts two forms: mechanical continuous coiling and electronic coiling.
① Mechanical continuous winding Mechanical winding can perform fabric dropping operation in the driving state, and the winding tension is automatically adjusted to always maintain the same tightness of the fabric.
② Electronic take-up (optional) Electronic take-up adopts AC servo motor, which is controlled by computer to rotate completely synchronously with the loom to control the density of beat-up. Beating density can be set on the keyboard without changing gears.
Computer control system
Equipped with a human-machine interface i keyboard, which can display information such as the loom’s operating status, fault causes, weaving process parameters and loom setting conditions on the display. Various data can be input conveniently through the function keys, and various setting parameters can be saved for a long time through the memory card or entered into the loom at any time.
Operations that require quick response are performed by a dedicated computer and a dedicated IC, while high-level inferences are performed by the i keyboard. It’s a brilliant system that combines agile maneuvering with a high degree of extrapolation.
The top-mounted temple device is equipped with a yarn guide rod near the fabric fell and top-mounted annular temples on both sides, which can stabilize the fabric fell of all short fiber fabrics and improve the quality of the fabric. Others, yarn guide rodThe lower part of the machine can freely set the configuration of the auxiliary nozzle, thus further expanding the range of weaving.
Lubrication system The main transmission part adopts oil bath lubrication, and a centralized oil supply system is used in general parts to force lubricate the components, which effectively improves the working life of the components.
Model number:




AAAFGBHGYUTKU

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