Structured Manufacturing Data (2026)

Jaw Crusher

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Jaw Crusher used in the Non-Metallic Mineral Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Jaw Crusher is characterized by the integration of Fixed Jaw Plate and Movable Jaw Plate. In industrial production environments, manufacturers listed on CNFX commonly emphasize High Manganese Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A primary crushing machine that reduces large rocks into smaller particles using compressive force between two jaw plates.

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Product Specifications

Technical details and manufacturing context for Jaw Crusher

Definition
A jaw crusher is a heavy-duty industrial machine designed for primary crushing of hard materials such as rocks, ores, and minerals. It operates by compressing material between a fixed jaw and a moving jaw, creating a V-shaped crushing chamber that progressively reduces particle size through repeated compression cycles. This equipment is fundamental in mining, quarrying, and construction industries for initial size reduction before further processing.
Working Principle
The jaw crusher operates through an eccentric shaft that drives the movable jaw in an elliptical motion against the fixed jaw. Material enters the crushing chamber through the top opening and is compressed between the two jaw plates as the movable jaw moves toward the fixed jaw. The compressive force fractures the material along natural cleavage lines, with smaller particles exiting through the bottom discharge opening as the jaw retracts. The crushing action is intermittent, with each cycle reducing material until it reaches the desired size to pass through the discharge gap.
Common Materials
High Manganese Steel, Cast Steel, Alloy Steel
Technical Parameters
  • Feed opening width, determining maximum input material size (mm) Customizable
Components / BOM
  • Fixed Jaw Plate Part
    Stationary crushing surface that provides the opposing force against the movable jaw
    Material: High manganese steel with wear-resistant surface
  • Movable Jaw Plate Part
    Oscillating crushing surface that applies compressive force to the material
    Material: High manganese steel with replaceable wear parts
  • Eccentric Shaft
    Rotating shaft that converts rotary motion into the elliptical jaw movement
    Material: Forged alloy steel with precision bearings
  • Toggle Plate Part
    Safety component that breaks under overload conditions to protect the crusher
    Material: Cast steel with designed failure points
  • Flywheel
    Energy storage device that smooths power fluctuations during the crushing cycle
    Material: Cast iron or steel with balanced design
  • Adjustment Wedge Part
    Mechanism for setting the discharge opening size and compensating for wear
    Material: Hardened steel with threaded adjustment
  • Dust Suppression System
    Optional water spray system to control dust emissions during operation
    Material: Stainless steel nozzles and piping

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Jaw Crusher.

Stone Jaw Crusher Primary Crusher Rock Crusher Blake Crusher high capacity jaw crusher for mineral processing manganese steel jaw plates crusher adjustable discharge setting rock crusher dust suppression system mineral crusher primary crushing machine for non-metallic minerals

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: N/A (mechanical compression only)
other spec: Feed size: Up to 1500mm, Product size: 20-250mm, Capacity: 50-1500 tph
temperature: -20°C to 50°C (operating ambient)
Media Compatibility
✓ Granite ✓ Basalt ✓ Iron Ore
Unsuitable: Highly abrasive silica sand without proper liner protection
Sizing Data Required
  • Maximum feed size (mm)
  • Required throughput (tph)
  • Desired product size (mm)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Fatigue cracking in jaw plates
Cause: Cyclic loading from repeated compression of hard materials, combined with stress concentrations at bolt holes or wear patterns, leading to crack initiation and propagation.
Bearing seizure in eccentric shaft assembly
Cause: Inadequate lubrication, contamination from dust/debris ingress, or misalignment causing overheating, increased friction, and eventual catastrophic bearing failure.
Maintenance Indicators
  • Unusual metallic grinding or knocking sounds during operation, indicating loose components, worn bearings, or broken teeth on jaw plates.
  • Excessive vibration or irregular crusher motion, suggesting imbalance, worn/damaged toggle plates, or foundation issues.
Engineering Tips
  • Implement a proactive lubrication schedule using high-temperature, extreme-pressure grease specifically for crusher bearings, and monitor oil samples for contamination.
  • Regularly inspect and rotate/replace jaw plates before excessive wear occurs to maintain proper nip angle and distribute wear evenly, reducing stress concentrations.

Compliance & Manufacturing Standards

Reference Standards
ISO 21873-1:2015 (Mobile crushers - Safety requirements) ANSI/ASME B29.1M (Precision roller chains, attachments, and sprockets) CE Machinery Directive 2006/42/EC (Essential health and safety requirements)
Manufacturing Precision
  • Shaft alignment: +/-0.05mm
  • Jaw plate flatness: 0.2mm per meter
Quality Inspection
  • Ultrasonic Testing (UT) for critical welds and castings
  • Hardness Testing (Rockwell/Brinell) for wear surfaces

Factories Producing Jaw Crusher

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What materials are used in the jaw plates for durability?

Our jaw crusher features high manganese steel jaw plates, known for exceptional wear resistance and long service life in demanding mineral crushing applications.

How does the adjustment wedge work for controlling output size?

The adjustment wedge allows precise control of the discharge setting by moving the toggle plate, enabling you to produce consistent particle sizes from coarse to fine.

What industries benefit most from this jaw crusher?

This jaw crusher is ideal for non-metallic mineral product manufacturing, including aggregates, limestone, granite, and other hard rock processing applications requiring primary crushing.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Non-Metallic Mineral Product Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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