Crushing is the most important stage in gravel aggregates production line. It generally includes coarse, secondary and fine crushing. Today we mainly talk about common secondary crushers and how to make selection among them.

I. Hammer Crusher

Strength: hammer crusher is suitable for crushing medium-hard materials, such as limestone and gangue. It may easily adjust the grain size of crushed materials. Moreover, the materials with large size can be also crushed by hammer crusher.

Weakness：the hammers may be easily worn, especially when they crush hard materials.

II. Jaw Crusher

Strength： it is suitable for crushing hard materials, such as granite and basalt with low operating cost.

Weakness：the grain shape of finished materials is not quite sound. With much flaky content, it is not suitable for the industry which demands high-quality gravel.

III. Cone Crusher

Strength：cone crusher is suitable for crushing hard materials such as granite and iron stone. Due to the spare parts with long service life, it has small operating cost.

Weakness：there are many flakes in the finished materials and the grain shape is not uniform.

The above three types are common secondary crushers. We can select a suitable one based on own production requirements. If you are curious about how to make a right choice, we will be right here to answer all your questions.