Winding of the mechanical and electrical machine maintenance improvement instance

Winding of the mechanical and electrical machine maintenance improvement example is 2020 - 08 - 17 have change package winding process and increase the yarn package should the amount of yarn, yarn defects and improve the yarn quality. Among them, the winding mechanical and electrical machine also plays an important role. In the long-term practice, the staff are summarized winding mechanical and electrical machine maintenance experience and skills. Rotor shaft maintenance can prolong the service life of 5 years No7 - Ⅱ type winder slotted drum motor rotor shaft and tower pulley through pin connection in belt drives the slotted drum operation. Because slotted drum start and brake quickly, time is very short, and under the action of intermittent switch, slotted drum motor, rotor shaft and the pulley joints under torsional stress repeatedly, the frequently used here is fatigue fracture, and fracture surface is flat and level. Once broken rotor shaft, due to less than motor rotor shaft parts, more than 3000 yuan worth of the whole machine can't use, so we take the following remedial measures. Motor rotor, will be treated as section level off, and with 45 & deg; Chamfering processing into a frustum of a cone shape. Prepare 1 root diameter of 20 mm, 50 mm long of 45 # round steel, in accordance with the law on its end processing into a frustum of a cone, then put the two parts of frustum of a cone with the same fixed axis alignment, welding, pay attention to make the welds cylindrical relatively larger, in order to increase strength of welds, facilitate the lathe processing. After completion of welding, the size of the mud bed rotor shaft processing into the original shape, will be processed motor rotor assembly to the motor. When processing should be paid attention to: when welding the small round steel and motor rotor shaft in the same axis; Don't damage the motor rotor and disassembly and processing the rotor coil. Company now I deal with motor rotor shaft fracture 10 root, have been got on the bus to run, run for up to 5 years of time, everything was normal. Thus, the way of the operation is simple, economical and practical, indiscriminate use effect and the original axis, greatly saves the cost. ( Anhui ( Wuhu) Yulin in textile co. , LTD. Hu Zhaoyang dong-qing Chen) Replace bearing cut down the cost of spare parts for my company use 238 rifles winder, due to the long run, frequently, don't turn the phenomenon of tension of the motor, causing bad cone directly. If buy a tension motor need to import more than 1000 yuan, virtually increased the cost of the company. After my company technical personnel's repeated studies a little repair techniques are summarized. Specific repair method is as follows: open tension paper labels on the motor shaft head housing, you can see four connection rivet head. With less than the rivet diameter ( 4 mm) Bit in the center of the rivet head into ca. 2 mm, so that the rivet head retreated inside the hole come out, the outer gently pry open, ready to sew tags and then take out the motor rotor, in most cases will find bearing damage ( Two bearing type of 625 z diameter 16 mm, inner diameter 5 mm, 5 mm thick) 。 After replacement of bearing to reload the motor rotor, and then install the shell and support. When mounting bracket note on the original rivet on the shell, and will make A good A, B glue daub on the bonding between the fixed shell and stents, finally, the tension on the motor caught in the vise after being A, B glue solidification, can be reused. It is important to note that due to create tension motor shell to extrusion rivet connection fixed way very adverse tear open outfit, so carefully when disassembling, prevent other damage, destroy. ( Baoding yimian group Jiang Zhiyou) Homemade fault test instrument to avoid false alarms Savio automatic winder spindle motor often because there was no brake and failure alarm, alarm code for F9, general technical means can't repair, usually to return to factory maintenance, the equipment can't normal use. Himself after repeated study the motor and the feedback signal, the design has made a fault test equipment operation is simple, convenient and accurate. Specific steps are as follows: first of all, from the automatic winding machine spindle motor, will play on the resistance of 200 ohms gears, multimeter measure motor W, U, V terminals. If WU, WV, UV dc resistance are not identical, to ground insulation resistance must be less than zero. Bad 5 ohms, determine motor, motor spindle winding is required replacement. If WU, WV, UV dc resistance is the same, the insulation resistance must be greater than zero. 5 ohms, spindle motor feedback signal measurement. 10 then spindle motor core plug connection to a 10 core socket tester, turn on the tester power, with the hand slowly rotating spindle motor rotor 1 week, under normal circumstances, LED1, LED2, LED3 shiny 2 times, LED4 will shine 24 times, if LED1, LED2, LED3, LED4 enough or not bright, shiny will prove wrong slotted drum spindle motor feedback signal or internal damage of hall sensor or position is not normal, according to the problem of LED lamp corresponding sensor position adjustment or replacement. Then repeat the above experiments, until it is normal for many times. Finally, the inside of the electric spindle machine the effect of four sensors were stopped, inversion, pulse signal and location. （ Oasis textile co. , LTD yong-zheng zhang)