If Water Well Drilling Tools is not paid attention to during use, it will cause some problems. Let's take a look at what problems will be encountered during the use of the drill rod and how to solve it?
1. Riveting at the end of the shank tail-pile top
 
Reason 1: The heat treatment hardness at the shank tail is low
 
Solution: Replace the drill rod
 
Reason 2: The impact end of the rock drill piston is not flat
 
Solution: Replace with new piston
 
 
 
2. The end of the shank tail falls off-fried top
 
Reason 1: The hardness of the shank is too high
 
Solution: Replace the drill rod
 
Reason 2: The piston of the rock drill falls off and the impact area is reduced, causing stress concentration
 
Solution: Replace with new piston
 
 
3. The tail handle is rounded-the tail is round
 
the reason:
 
1. The rock hardness is too low, the rotation resistance is large; the rock joints are developed, and it is easy to stick;
 
2. Low hardness of shank tail;
 
3. The size of the shank sleeve is too large (exceeding the standard)
 
Solution: Replace qualified shank sleeve
 
 
 
4. Breaking at the excessive part of the collar R-broken tail root
 
the reason:
 
1. Excessive drill rod R is too small (generally drill rods are R4)
 
2. The coaxiality of the drill rod shaft and the rod body exceeds the standard
 
3. The shank tail sleeve is seriously worn
 
Solution: Replace the drill rod, replace the drill tail sleeve
 
 
 
5. Early fracture in the middle of the collar-broken shoulder
 
Reason: There is a problem with the upsetting process of the collar
 
Solution: Replace the drill rod
 
 
 
6. Early fracture of the rod body-broken body
 
the reason:
 
1. The drill rod does not match the rock drill
 
2. Improper operation, causing damage to the rod surface
 
3. The quality of the rod itself
 
Solution: Replace the drill rod
 
 
 
7. The drill tip is broken
 
Reason 1: Rock Button Bits do not match the taper of the drill bit (taper, mating length)
 
Solution: grinding the drill slightly
 
Reason 2: Replace the drill bit with a hammer