main types of jaw crushers

Jaw crushers are widely used in mining, quarrying, and recycling, but they are not a single design. Based on the motion path of the movable jaw, they are generally divided into double-toggle (Blake type) and single-toggle (overhead eccentric type).

1. Double-Toggle Jaw Crushers (Blake Type)

• Feature a dual toggle plate and eccentric shaft, creating a nearly circular jaw motion.

• Rely mainly on compression crushing, making them extremely robust and reliable.

• Handle very hard and abrasive materials such as granite and basalt.

• Provide a moderate crushing ratio and predictable maintenance needs.

• Structure is relatively tall and complex, which can limit installation flexibility.

2. Single-Toggle Jaw Crushers (E-Type / Overhead Eccentric)

• The movable jaw is directly mounted on the eccentric shaft and supported by a toggle plate below.

• Jaw motion is elliptical, combining compression and grinding, which enhances crushing efficiency.

• Offer higher capacity, greater crushing ratio, and more uniform product size.

• Compact body design allows easier installation and mobility.

• Commonly applied in construction waste recycling, concrete processing, and secondary crushing.

• However, components may wear faster when processing extremely hard materials.

3.Performance Comparison

• Double-toggle: unmatched durability, best for hard and abrasive ores, reliable under high stress.

• Single-toggle: superior efficiency, capacity, particle shape, and energy savings; better for medium-hard and recycled materials.

4.Selection Guide

• For hard, abrasive rocks (e.g., granite, basalt): choose double-toggle for durability and reliability.

• For medium-hard materials and recycling (e.g., limestone, concrete): choose single-toggle for efficiency and economy.