Common faults in the wood sanding machine work analysis and ruled out

by:Gewinn     2020-06-18
Woodworking machinery in wood sanding machine in the running process, often appear some fault, but these should be ruled out in time, but if not handled properly, may affect the production, increase the cost. This requires operators must be familiar with the operating rules, woodworking sander, skilled operation, eliminate in a timely manner. Some fault found not serious, but if inappropriate treatment, the result will be a big failure, serious impact on production. As sanding machine has twenty years of production experience, the following ShengFu mechanical analysis summarized the sanding machine common fault. ___________ abrasive belt running deviation, generally due to improper adjustment, automatic hyperboloid abnormity sanding machine normal abrasive belt swing should be the swing is 15 20 mm, swing frequency of 15 - 20 times/min, the pendulum and put into the pose moderate speed. If under abnormal conditions, a long time, running deviation phenomenon may be present, especially the speed into posing together, are more likely to cause abnormal downtime phenomenon; Damage of photoelectric switch, electromagnetic valve damage, damage of shaking the cylinder cylinder. Vacuuming Clinton, high dust concentration will affect the normal cell, also cause sand belt running deviation; Should replace the damaged parts in time, to improve dust removal effect. 2. Limit failure, the abrasive belt both limited position switch, when the abrasive belt failure, ran side slants, touch the limit switch, sanding machine, abrasive belt loosen, main motor automatically stop, which can effectively protect the abrasive belt. Once the limit failure can cause damage of abrasive belt, deburring machine price, Mars friction rack, even cause fire. Thus limit switch should always check whether the action is reliable. Abrasive belt once wrinkling were unable to use, the general cause, there are three kinds of abrasive belt wrinkling is a sand roll and the tension roll wear, can repair sand grinding roller; The second is the soft abrasive belt be affected with damp be affected with damp cause wrinkles, can use the way to deal with such as baking to dry; Three is sanding machine long time not to use the sand roller surface rust rough, abrasive belt swing hard up trend, at this time dealing with the roller cleaning or with a fine sandpaper. 4. Abrasive belt, abrasive belt breaking is mainly due to the abrasive belt running deviation, or abrasive belt grinding blunt no change in time, or sand cutting load is too large, or in the process of sand cut in hard objects, sanding machine, or abrasive belt itself quality problem caused. Should try to prevent craze of abrasive belt, otherwise may cause fire. When an exception occurs, the current should have observation of abrasive belt grinding blunt, 4 axis sanding machine, if it is, it should be replaced in a timely manner. 5. 5. Wandering into the board, sliding, rebound, in the line of sanding machine adjustment request carry on roll back pressure spring adjustment to two-thirds ( A third left) , carrying on the roller and the roller spacing should be less than 1 after the slab thickness. 5 mm or 1 mm, or it will cause the slab wandering or skid. Serious cause rebound, it may hurt the personal an all. 6. 7) Sand cutting board size change after replacement of abrasive belt sanding machine cantilever in lock piece of loose or lock, position volatile ( See figure 2) , normal should be 0. 5 mm or less. Assumption is too large, when the locking block lock cantilever, the size of the locking force difference can make the difference cantilever repeat precision attack, provoked sand plate size firmness, directly affect the sand priming sanding machine cutting precision. When happen cantilever error is too big, More than 0. 5毫米) * * * should be screwed tightly fixed bolt appropriate adjustments, in replacement of abrasive belt at the same time, fasten the block strength should be consistent. 7. Empty conveyor roller intermittent rotation or not, today at work, wood sanding machine, alien generally cannot observe situation, can only be found when empty, the reason was that the transmission power of worm gear worm gear deceleration wear part or all of the wear and tear. Won't affect the work, but other worm gear due to work load, wholesale desktop sanding machine, and shortened life spans, cause greater losses. Therefore, once found this kind of situation, should be replaced immediately worm gear. 8. The main bearing abnormal vibration. Under normal circumstances the main bearing vibration is small, the experienced operator can determine whether the normal one, generally has no conditions at the scene with instrument measurement, but can use and other housing contrast, sanding machine operation procedures, can be judged from the sand plate surface quality. When bearing vibration anomalies, can think that there are two reasons, sanding machine suppliers, one is the bearing damaged, as long as the replacement of bearings, the second is contact roller wear, garden, destroying original dynamic balance, zhuhai sanding machine, cause abnormal vibration, this must remove the sand roller for repair. 9. ⒘ main transmission belt skid: in a Q type and M sand light machine, high-speed flat belt is adopted. This form of transmission in theory than the triangle high transmission efficiency. But in actual use, will produce the belt running deviation or skid phenomenon, this is mainly to improper adjustment. Should be in strict accordance with the belt elongation 1. 5 - The requirement of 2% adjustment, single sand grinding broadband sander, and belt tightness on both sides. When in accordance with the requirements after the adjustment, should carry on the test run, especially when the main motor current is a sudden increase, investigation is belt running deviation, if running deviation, should be the second adjustment.
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