Comparison of Fine Jaw Crushers and Cone Crushers in the Fine Crushing Stage

Should a fine jaw crusher or a cone crusher be selected for the fine crushing stage of a crushing production line? Generally, the process flow of a crushing production line primarily includes three stages: coarse crushing, fine crushing, and screening. In the fine crushing stage, there are multiple crusher options available, and determining which equipment is most suitable remains a challenging decision for many users. Today we'll compare cone crushers and fine jaw crushers!

The fine jaw crusher shares similar structure and principles with standard jaw crushers, operating through a reciprocating squeezing action. Material is crushed within the crushing chamber formed by the moving and fixed jaws. In contrast, cone crushers employ a laminar crushing mechanism where the bowl liner continuously moves toward the crushing wall, squeezing and pulverizing material trapped between them. Regarding their structures and working principles, we assume readers are already familiar with these and will not repeat them here. Below, we will focus on their differences in actual production:

1. Production Characteristics

Generally speaking, fine jaw crushers and cone crushers exhibit the following characteristics:

1) Fine jaw crushers accept relatively larger feed sizes, typically handling materials under 1000mm, while cone crushers impose stricter limits, generally requiring feed sizes below 300mm (depending on specific product requirements);

2) In terms of processing capacity, cone crushers significantly outperform fine jaw crushers, typically reaching up to 1000t/h—more than double the capacity of fine jaw crushers;

3) For processing hard materials, both crushers exhibit similar compressive strength, ranging between 300-350 MPa.

2. Overall Structure

In terms of overall structure, cone crushers are 1.7-2 times heavier than fine jaw crushers with the same feed opening size. Their bodies are typically 2-3 times taller than fine jaw crushers, resulting in higher plant construction costs.

3. Material Handling

Cone crushers are unsuitable for crushing moist or sticky ores, while fine jaw crushers can handle nearly all types of materials.

4. Feeding Requirements

Cone crushers can handle full-feed operation, requiring no additional feed bins or feeders. Fine jaw crushers cannot operate under full-feed conditions and demand uniform feeding, necessitating separate feed bins and feeders, which increases investment in auxiliary equipment.

5. Product Shape

When comparing the product shapes of impact crushers and cone crushers, the former produces better-shaped particles with fewer sharp edges, while cone crushers tend to yield more needle-like and flaky particles. Compared to fine jaw crushers, cone crushers generally offer slightly better shaping performance.

6. Price Comparison

The price of cone crushers is significantly higher than that of fine jaw crushers, a fact that should be uncontroversial.

7. Operation and Maintenance

Regular maintenance is essential for any crushing equipment. While cone crushers require higher initial investment, they exhibit lower failure rates, extended replacement cycles for wear parts, and simplified maintenance procedures. This significantly reduces labor and material costs.

(Technical parameters and data mentioned herein may be updated with product upgrades. Click website customer service for the latest equipment specifications.)

OCP Machinery Heavy Industry boasts over 40 years of experience in the R&D, manufacturing, and production of crushing equipment. We offer a wide range of crusher spare parts, direct factory sales at competitive prices, and professional engineering technicians to provide expert production guidance. Submit your production requirements to our online customer service for customized configuration plans and quotation estimates! We also welcome on-site visits and inquiries regarding crusher equipment!