Jaw Crusher

Despite its robustness, the Jaw Crusher has limitations regarding grain shape control. Because its operating principle relies on unidirectional compressive force, it tends to yield material with a higher flakiness and elongation index compared to impact-type crushers.

In mineral processing, a Jaw Crusher serves purely as a primary size reducer and is not designed for precise mineral liberation. Operating with worn jaw plates or improper gap settings can cause inconsistencies in the output size, which in turn increases the workload on the secondary crushing stage.

Additionally, when processing rocks with extremely high compressive strength (above 250–300 MPa) and high abrasiveness, operating expenses (OPEX) can rise significantly. This is driven not only by power consumption, but primarily by accelerated wear on the jaw plates. Under such harsh rock conditions, the economic efficiency of the equipment may drop without proper alloy material selection, necessitating more frequent maintenance and higher replacement costs for the customer.

1. High-End Configuration (Premium Solution) Designed for medium-to-large-scale mining operations that demand superior final product quality and high operating efficiency.

• Main Equipment: Vibrating Feeder + Jaw Crusher + Cone Crusher (or Impact Crusher) + Vibrating Screen + Belt Conveyor.
• Selection Guide:
  • Impact Crusher: Utilized for soft-to-medium hard rocks (e.g., limestone, coal, gypsum) to achieve excellent cubical particle shapes.
  • Cone Crusher: Specifically used for hard and abrasive rocks (e.g., granite, basalt, iron ore, river gravel) to minimize wear part replacement costs.

2. Economical Configuration (Efficient Solution) Designed for budget-conscious projects or applications where specific particle shaping is not required.

• Designed Capacity: 200 tph.
• Feed Size: ≤ 600 mm.
• Final Product Size: 0–5 mm, 5–10 mm, 10–20 mm, 20–30 mm (adjustable).
• Main Equipment: Vibrating Feeder + Secondary Jaw Crusher (Coarse Type) + Fine Jaw Crusher (PEX Type) + Vibrating Screen + Belt Conveyor.

The C-Type Jaw Crusher is engineered for high-capacity processing of hard to highly abrasive materials. Utilizing modern crushing technology with a non-welded modular frame structure, it delivers superior fatigue resistance, maximum reliability, and installation flexibility. The symmetrical “V”-shaped crushing chamber boosts capacity by up to 1.3 times, the jaw plates feature toothed guards to extend wear life, and the motor is frame-mounted for simplified operation and maintenance.

Meanwhile, the PE Type features a simpler design, making it suitable for primary crushing of medium to hard materials. The deeper crushing chamber eliminates dead zones, resulting in high feed capacity and uniform final product size. Its straightforward structure ensures easy maintenance and low operational costs, making it widely utilized across mining, construction, and building material industries.

Wow, great question! It’s like choosing a car: Do you want a “work car” that is tough and cheap to maintain, or a “monster truck” that can crush anything? Come on, let’s cut it thin!

1. C Series (Heavy-Duty & High-Capacity Solution) Engineered for large-scale production and extremely hard to abrasive rock materials, the C Series delivers maximum stability for continuous operations.

• Feed Opening Dimensions: Width up to 2,000 mm with a depth of up to 1,500 mm.
• Maximum Feed Size: 430–1,200 mm.
• Discharge Setting Range (CSS): 40–300 mm.
• Technical Advantages: Symmetrical “V”-shaped crushing chamber ensures superior throughput efficiency, lower power consumption per ton, and highly reliable non-clogging performance.

2. C Series (Classic & Economical Solution) The industry-standard choice for general primary crushing, featuring a straightforward, reliable, and cost-effective mechanical design.

• Feed Opening Dimensions: Width up to 1,500 mm with a chamber depth up to 1,800 mm.
• Maximum Feed Size: 125–1,200 mm.
• Discharge Setting Range (CSS): 60–350 mm.
• Technical Advantages: Simplified structural design enables effortless routine maintenance, minimizes operational expenses (OPEX), and outputs consistent material gradation

If your project operates on a large scale with extremely hard rock conditions, the C Series is the ultimate choice. However, for standard aggregate projects requiring reliable, cost-effective, and steady operations, the PE Series remains the top performer.

Many people think the working principle of a Jaw Crusher is complicated, but it is actually very simple! It is essentially all about power transfer from the engine to crush rocks. Just imagine a giant jaw eating. Here is the process flow:

• Preparing Power Transmission: First, the electric motor starts rotating and drives the pulley via a belt. This is where energy is gathered to move the heavy components inside.
• Oscillation of the Eccentric Shaft: Next, this pulley rotates the eccentric shaft. Because this shaft is eccentric, it pushes the connecting rod and the swing jaw to start moving. Its motion is a combination: both forward-backward and up-down!
• Time to “Chew” the Rocks: As the swing jaw moves forward toward the fixed jaw, that is where the magic happens. Giant rocks trapped in the middle are immediately subjected to compressive, splitting, and bending forces until they break apart.
• Release and Flow! Finally, as the swing jaw moves back away, the crushed rocks slide down due to gravity and exit through the discharge opening at the bottom. Because the movement rotates continuously without stopping, this “chewing” process becomes highly efficient and continuous.

In short: As long as the machine is running, these forward-backward and up-down movements occur simultaneously. Therefore, your ZME Jaw Crusher will not stop eating until the rocks run out!