Hydraulic Hammer Tool Analyses-What A Broken Tool Tells Us

Problem: Striking face of the tool may be mushrooming and bending

Likely Cause: Overheating of tool tip

Remedy: Reposition the hammer every 15 seconds

Problem: Brittle fracture with a lip Formation

Likely Cause: Breakage caused by excessive bending. This type of stress is caused by using the wrong working angle or use of the tool for mechanical leverage.

Remedy: Adopt correct working angle and don't move material with the tool.

Problem: Pitting and cracking of the tool bushings.

Likely Cause: Poor grease or lack of greasing causes seizures. Wrong working angle.

Remedy: Use recommended quality grease.

Problem: Seizing in the tool bushing-Fatigue fracture that starts from the tool surface.

Likely Cause: Strong side load and striking at the same time causes tool-bushing surface to be damaged. Caused by wrong working angle and/or wrong or insufficient lubrication.

Remedy: Adopt correct working angle.

Problem: Breaking of the tool at groove area or heavy wear on tool retainer pin.

Likely cause: Idle strokes/blank firing.

Remedy: Ensure operator fires only when proper placement on material.

0 views0 comments

Recent Posts

See All

If you need a good hammer rebuild or tool call Geoff at Fel-tech 1-508-552-0023. Tell him Gary Parker gave him the information.

Rental rates on the same size machine can vary up to 50% by rental house. There is value to a consistent good supplier. Loyalty is important. But at what cost? Many dealerships are very competitive wi

We Currently need small dozers and excavators. In excavators the buyers want machines under 8'6" wide to fit on a twenty ton trailer. Up to date service records increases the value of your used equipm