Up and down sawblade square blade saw - a new design of small saw blade up and down to cut down the cutting power. It has the advantages of small saw road and high efficiency and energy saving. The feeding mechanism and the main shaft integration design to eliminate the running deviation, the feeding material adopt the stepless speed change effectively solve the electric problems caused by dust in the use of the variable frequency governor. The automatic adjustment of the pressure mechanism can be used to complete the different thickness of sheet material, which is less than manual adjustment. Spindle is equipped with cooling hole, when work can add water cooling in order to prolong the service life of saw blade, the feed end has prevent returns mechanism to eliminate caused by blade high-speed rotating resistance saw to return material. Applicable to old and new wood sawing blade. For details, please consult hebei dun machinery machinery 13932973258.