Reasons for the fracture of the screw shaft of the main machine of the paver

Emergency repair method for auger sprocket of paver: check that the abnormal sound originates from the chain on the right side. After adjusting the tightness of the chain, the abnormal sound becomes small, but after more than ten hours of use, the abnormal sound becomes large, and finally the chain is broken. It was found that there were obvious impact scratches on the chain links, so it was concluded that the chain fracture was caused by the impact due to being stuck.