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Method for adjust saw blade swing of horizontal band saw machine

2019-07-08

The saw blade swing means that the saw blade moves back and forth when the woodworking band saw machine is running, leaves the original position, and even drops the blade. There are many reasons for this situation, usually due to improper tension of the saw blade, but also for other reasons. The following horizontal band saw machine manufacturers will take a look at the causes of saw blade swing.

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1. The tension is small and the saw blade is too loose. If the tension of the saw blade is relatively small, it cannot be effectively attached to the saw wheel. At this moment, when sawing wood, the saw blade will lose some tension after being impacted or rubbed, and the saw blade will run off and return to its original position when idling. Adjust the tension of the saw blade appropriately, especially when processing hardwood, a thicker saw blade is needed, and the tension of the saw blade should be adjusted appropriately.

2. The upper and lower wheels of the band saw are twisted obliquely and are not on a vertical plane, which will also cause the saw blade to swing. If the hanging bar of the upper wheel rotates backwards and forwards after tensioning, and the saw blade is exposed differently, make sure that the bearing housing of the lower wheel is in the middle of the hanging screw. If there is deviation, adjust to the center position, and then adjust the upper wheel. The length of the saw blade of the upper and lower wheels exposed to the edge of the saw wheel should be the same. If there is deviation, the position of the upper and lower wheels is twisted and needs to be adjusted.

3, saw wheel wear is more serious, also easy to make the saw blade swing deviation. If the saw wheel is worn in a cone shape, the saw blade will be lost and cannot be effectively attached to the saw wheel, leading to deviation. At this time, the saw wheel should be trimmed. Attention should be paid to the accuracy of the saw wheel when trimming.

4. The inflexibility of the upper wheel tensioning device will also cause the saw blade to swing. Due to dust or abrasion, the lifting saw blade may sometimes get stuck after a long time. Therefore, the tensioning device of the band saw should be checked frequently, and the sundries on the band saw should be cleaned up and kept lubricated.

5. If the saw blade deviates when it is started, it should be that the upper wheel has not been adjusted properly when installing the saw blade, and the saw blade can be adjusted properly through the adjusting handle of the upper wheel.

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Address: No.16 Xinhong Machinery Pioneer Park, Tangyang Town, Dongtai City, Jiangsu ProvinceEmail:dtdjjx@126.com
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