Jaw Crusher Parts & Jaw Plates Manufacturer | Complete Guide to Wear Parts, Materials & Performance Optimization

Jaw crusher parts play a critical role in crushing performance, equipment reliability, and operating cost control. Widely used in mining, aggregates, construction, and recycling industries, jaw crushers operate under high impact and abrasive conditions.

Therefore, understanding jaw crusher parts and their functions is essential for improving efficiency, extending service life, and reducing downtime.

Among all components, jaw plates (jaw liners) are the most critical wear parts, directly determining crushing efficiency and cost per ton.

Key Jaw Crusher Components

A jaw crusher consists of both structural components and wear parts:

* Jaw Plates (Jaw Liners) – Primary crushing surfaces

* Cheek Plates – Protect the crusher frame

* Toggle Plate – Transfers force and acts as a safety device

* Eccentric Shaft & Bearings – Drive motion and reduce friction

* Frame – Provides structural strength

These components work together to ensure stable and efficient crushing operations.

Jaw Plate: The Core Wear Part

The jaw plate is the core wear component of a jaw crusher, directly involved in the compression process inside the crushing chamber.

Its performance affects:

* Crushing efficiency

* Product size consistency

* Equipment stability

* Operating cost per ton

As a professional manufacturer, we provide OEM replacement jaw plates compatible with global crusher brands such as Metso and Sandvik.

Based on different rock types, feed sizes, and working conditions, we offer:

✔ Optimized material selection
✔ Customized wear solutions
✔ Structural design improvements

These solutions help customers increase throughput and reduce total operating costs.

Compatible Crusher Models

We support a wide range of crusher models:

Metso / Nordberg Series

C63, C80, C100, C110, C125, C140, C160, C200

Sandvik Series

JM907, JM1108, JM1208, JM1211, JM1312, JM1511

✔ OEM part number support
✔ Production based on technical drawings
✔ One-to-one customization

Material Specifications & Standards

Material selection is the key to wear resistance and durability.

High Manganese Steel Grades

13% Mn (11–14% Mn, 0.9–1.3% C)

18% Mn (17–19% Mn, 1.0–1.4% C)

22% Mn (21–23% Mn, 1.0–1.45% C)

✔ Optional chrome alloy enhancement

Advanced Technology: TiC Inserts

For extremely abrasive materials, we offer TiC (Titanium Carbide) reinforced jaw plates, which can:

Increase wear resistance significantly

Extend service life by 2–7 times

Improve performance in hard rock applications

Manufacturing Standards

Our products comply with international standards:

* GB/T 5680-1998

* ASTM A128/A128M

* JIS G5131

* ISO 13521

We also support custom material specifications based on customer requirements.

Jaw Crusher Working Parameters & Performance Optimization

Crusher performance is also influenced by key operating parameters:

Closed Side Setting (CSS)

* Smaller CSS → finer output

* Larger CSS → higher capacity

Improper settings may cause:

* Overloading

* Faster wear

* Inconsistent product size

Nip Angle

Typical range: 18°–24°

* Too large → material slipping

* Too small → reduced throughput

Stroke & Speed

* Longer stroke → higher capacity but more wear

* Higher speed → better reduction but more stress

👉 Proper parameter balance is essential for optimal performance.

Jaw Plate Design & Tooth Profile Engineering

Jaw plate geometry plays a crucial role in crushing efficiency.

Common Tooth Profiles

Super Tooth – General purpose

Quarry Tooth – Hard rock

Heavy Duty – High impact

Multi Tooth – Fine crushing

👉 Correct profile selection improves:

Material flow / Wear distribution / Output consistency

Wear Mechanism & Material Hardening

High manganese steel features work hardening:

Initial hardness: ~200 HB

After impact: 400–600 HB

This property ensures:

High wear resistance / Strong impact toughness / Longer service life

Failure Analysis & Maintenance

Common Failures

Jaw Plate Wear

Cause: abrasive materials, uneven feeding

Solution: better material + optimized feed

Bearing Failure

Cause: poor lubrication

Solution: regular maintenance

Toggle Plate Breakage

Cause: overload

👉 This is a designed safety protection

How to Reduce Cost Per Ton

The key KPI in crushing operations is:

👉 Cost Per Ton (CPT)

Influencing Factors:

Wear life / Downtime / Efficiency / Replacement frequency

Optimization:

Use high-quality wear parts

Select correct material grade

Maintain proper operation

Optimize liner design

Jaw Liner Selection Guide

Key factors when selecting liners:

Material type 
Hardness & abrasiveness

Feed size (≤80% of opening)

Required output size

Throughput

Why Choose Us

✔ Professional manufacturer
✔ Advanced material engineering
✔ OEM & custom solutions
✔ Strict quality control
✔ Competitive pricing

📩 Get a Free Quote

Looking for a reliable jaw crusher wear parts supplier?

👉 Contact us today for:

Fast quotation / Technical consultation / Customized solutions