2013年11月7日星期四

How to deal with the process of using belt fracture

Belt in the use of the process there will inevitably be broken problem , how to deal with this problem to solve it ?
1 , belt joints strong, cracking, strengthen the quality control of the production , to meet the needs of users
2, the belt tension is too large, the flap wheel   adjustment of the tension of the working load does not slip , the smaller the better tension
3 , when installed in the transport belt or wrinkles or edge damage before installation to check the quality of appearance , when installed in the correct mode of operation for
4, working too much pressure, reduced pressure
5 , the cutting too deep , friction heat accumulation , reduce the cutting depth or feed rate , or the use of coolant or cooling means
6 , the external debris into the belt and  sandpaper roll rollers or between the plates , remove debris, high performance dust extraction is the best preventive measures
7 , belt excessive vibration , selection of low hardness contact wheel , checking the quality of the machine vibration or belt
8, the contact roller cone ; contact roller or graphite pad is not parallel with the base removed grinding roller cone ; re-install, maintain the parallel
9 , the machine does not operate properly , the trip switch crashed belt maintenance equipment ( special attention to the paper-based belt )
10 , the workpiece thickness difference is too large or partially overlapping shock belt installation for overlapping plates and oversized portions guards
Automatic belt drive wheel has the cut off disc  role of self-sharpening wheel with automatic belt machine self-sharpening effect , large machining , if the tool wear, cutting can not normally proceed, you must re- sharpening knives, cut the situation is different hemp because the grinding wheel on a hard material cutting edge formed at the tip of abrasive particles , when the micro- abrasive blade becomes blunt , the role of a large force on the abrasive grains increases, the grains is locally crushed to form new micro blade or Zhengliao off exposing new abrasive micro blade to work to regain the kind of cutting edge sharp peak effect is called automatic belt drive with self-sharpening effect.

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