Common causes of hydraulic breaker diaphragm damage mainly include the following points:

Material Aging: The diaphragm is typically made from rubber or other elastic materials, which can gradually age over prolonged use. As these materials age, their elasticity and strength decrease, ultimately leading to cracking or damage.

Excessive Pressure: If the pressure inside the accumulator exceeds the design limits, the diaphragm may rupture due to excessive stress. This situation is particularly common in hydraulic systems, where pressure can rise due to malfunctions or improper operation.

Physical Damage: The accumulator may suffer physical damage during transportation or installation, such as scratches or impacts. If these damages are not detected and repaired in a timely manner, they can lead to premature failure of the diaphragm.

Chemical Corrosion: If the accumulator comes into contact with certain chemicals, such as acids or alkalis, these substances may erode the diaphragm material, leading to performance degradation or even rupture.

Design Defects: If there are defects in the design of the accumulator, such as improper diaphragm sizing or inappropriate material selection, it may also result in issues during the diaphragm's use.

Improper Maintenance: Regular maintenance and inspection are crucial for extending the lifespan of the diaphragm. Poor maintenance practices, such as failing to timely replace severely worn components, can accelerate the damage process of the diaphragm.

Through the analysis above, we can see that the causes of hydraulic breaker diaphragm damage are diverse, involving materials, design, operation, and maintenance aspects.