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De-coring Hammer : Features, Causes of Common Failures in Use, Solutions

Pneumatic de-coring hammer is a tool that uses pneumatic tools to remove core blocks in concrete through compressed air. Pneumatic decoring hammer can directly knock and vibrate the casting, and break up the sand core inside the casting more quickly, so it can efficiently remove the core blocks in the concrete, reduce manual labor, and improve work efficiency.

Pneumatic de-coring hammer has the characteristics of durable material, simple operation, low pressure, strong vibration, and good cleaning effect.

Working principle of pneumatic de-coring hammer

Using compressed air as the power source, once the air source switch is turned on, the inner shaft tube assembly inside the decoring hammer is compressed and pushed out until the front hammer head presses the workpiece to be decored; the switching of the air flow reversing plug position in the inner shaft tube assembly guides the air flow to make the piston rod perform periodic high-frequency reciprocating impact hammer movement; the high-frequency impact force generated is transmitted to the workpiece through the hammer head, and then to the sand core inside the workpiece, which plays the role of shattering the sand core and separating the sand core from the workpiece, thereby achieving the purpose of efficiently removing the sand core.

de-coring hammer
de-coring hammer

Common causes and solutions for failures using de-coring hammer

  1. The equipment cannot be started: Check whether the pneumatic decoring hammer has sufficient compressed air supply, check whether the pneumatic components are damaged, and repair or replace them.
  2. Insufficient impact force: Check whether the regulating valve of the pneumatic decoring hammer is adjusted correctly and adjust the impact force.
  3. Equipment blockage: Check whether the core block is too large and clean the blockage.
  4. Excessive vibration of the equipment: Check whether the counterweight of the pneumatic decoring hammer has fallen off, reinstall or replace the counterweight.

Conclusion

In short, the pneumatic de-coring hammer uses pneumatic high-frequency vibration, which has fast speed and high frequency, does not damage the vibrating object, and is easy to knock down the vibrated object. It is an ideal equipment for removing the core shaft and is widely used in machinery manufacturing, automobile manufacturing, aerospace and other fields.