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        Company News Industry News

        How to operate the air-jet loom well?

        2019/8/8 15:56:26

        Air-jet loom is a shuttleless loom that uses jet airflow to pull weft yarn through the shuttle. The working principle is to use air as weft insertion medium to pull the weft yarn by the friction traction produced by the jet compressed airflow. The weft yarn is carried through the shuttle and the weft insertion is achieved by the jet generated by the jet.

        I. Periodic Maintenance

        1. Daily maintenance and treatment of the overhaul workers need to carry out routine maintenance of the machine's electric oil pump, centralized oil supply, heat dissipation part of the main motor, input shaft of the open cam box, electromagnetic brake, weft detector, scissors, edge winch, side brace and edge trapping yarn.

        2. Inspection and treatment during machine time to check whether the side brace ring rotates flexibly, whether it wears, whether there are flying flowers, whether the interval between stop pin and main drum is 0.5 mm, whether the gas pipe leaks, whether the centralized oil supply leaks, whether the oil pipe is damaged or bent, whether there are flying flowers in the control box, and whether the height error of the heald frame is confirmed. Within 2mm, whether the exhaust pipe of the air filter is unblocked, whether there are flying flowers on the pinion of the warp shaft, whether there are yarn heads on the bevel gear shaft of the opening device, whether the screen eyes on the oil filter are blocked, whether yarn heads are rolled on the warp let-off and loosening axles, whether there are damages on the insulating sleeve of the wire and whether the clearance of the brake is correct. Fuel the nozzle, the gear face and chain of the open gear, and check whether the heald frame and the guide plate of the heald frame are worn or not.

        3. Half-year maintenance and treatment needs to check whether the winding is clean, whether there are yarn marks and scars on the main drum and pin drum, whether the inside of the stop pin assembly is dirty, whether the open wire rope is elongated or damaged, whether the recovery spring is damaged, whether the bearing of the open wire rope connecting seat is worn. Whether the belt tension is appropriate or not, whether there is damage, whether the sensors are working properly, whether the transmission gear box, coiling gear box and sending gear box are replaced with lubricating oil, whether the filter sieve is blocked, whether the reed is stained with dirt, whether the wind speed value is normal, and whether the U-shaped shaft lining of the pull-down hook is normal. Whether the wear is less than 2 mm, whether the main nozzle duct is bent, whether the coiling roller chain is elongated, whether the clearance between planetary gears is normal, whether the wear of the axle lining of the planetary tube seat is less than O.5 mm, whether the wear of the axle lining of the planetary tube is less than 0.5 mm, whether the wear of the axle lining of the planetary tube is less than O.5 mm, whether the auxiliary nozzle is marked or not. Yarn marks, bending or not, oil in scissors, etc.

        4. It is necessary to tighten the screw again if the screw of the support foot of the main nozzle is loose in one year's overhaul and treatment.

        5.Whether the coiling roll, pressing roll and rough rubber are worn, whether the wear of warp axle and warp part is less than 0.3mm, whether the performance of buffer is reduced, whether the nylon bushing and guide pin column of buffer are worn, whether the auxiliary nozzle is dirty, whether the shearing device on the yarn supply side can cut the weft yarn correctly, and whether the stop pin group is worn. Whether there is wear on the pin hole of yarn stop, whether it is within 0.5mm, and whether it is within 0.5mm on the warp part of the roll shaft of coiling cloth.

        6. Overhaul and disposal of solenoid valves in three years, whether the lubricant is insufficient and whether the coiling cloth rollers rotate flexibly.

        Overhaul in 7.7 years included the maintenance of bearings, oil seals, gears, cams, bushings, stop pins, main motors and related parts of racks, openings, let-off, coiling and weft storage.

        2. Contents and matters needing attention of looms after long-term use

        (1) Main transmission part: After long-term use of the loom, it is necessary to replace the oil seal of the crankshaft bearing seat of the driving part.

        (2) Opening part: It is necessary to replace cam open arm bearing, wire rope, recovery spring and recovery arm bearing.

        (3) Replacement of synchronous toothed belt and cleaning of oil filter.

        (4) Clean reed regularly.

        (5) Replacement of internal parts of measuring length and weft storage drum, replacement of internal parts of stop pin and cleaning of encoder.

        (6) Cleaning of main nozzle, cleaning of filter, cleaning and repairing of solenoid valve and pressure regulating valve, inspection and configuration of trachea.

        (7) Servo motor maintenance and replacement, buffer repair and internal parts replacement.

        (8) Check the coiling brake rollers, chains, tensioning wheels, adjusting pins and replacement, maintenance and replacement of friction discs and discs. Inspection and replacement of rough rubber.

        (9) Inspection and replacement of planetary gears, tube bearings, guide arm shafts and coupling.

        (10) Check and replace the weft detection cable.

        Contact Us

        Qingdao HUIFANG Textile Machinery Co., Ltd.

        Yanghe Industrial Park,Jiaozhou,Qingdao
        TEL/FAX:+86-0532-86225088 / MOB:+86-13310666311
        Branch Of Shengze Suzhou
        ADD:No.52,Jinlun Road,Shengze
        After-sales service TEL:13605327308