Jaw Crusher

Name: China Jaw Crusher Manufacturers Suppliers Factory - Jaw Crusher Made in China - OCTAL Pipe
Brand: OCTAL
SKU: 308369996

Feed Opening Range: 150×250 mm to 1500×1800 mm
Max Feeding Size: 120 mm to 1200 mm
Discharge Size Range: 10 ~ 350 mm
Capacity Range: 1 ~ 1000 t/h
Crushing Stage: Primary crushing, Secondary crushing
Main Models: PE Series, PEX Series
Applicable Materials: Granite, limestone, basalt, river stone, ore, concrete waste
Main Components: Frame, jaw plates, eccentric shaft, toggle plate, flywheel
Application Fields: Quarry, mining, aggregate plant, construction waste recycling

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Product Introduction

A jaw crusher is a primary crushing machine used to reduce large rock, ore, concrete, and construction material by compression between a fixed jaw plate and a moving jaw plate. It is normally installed at the first crushing stage, where the feed opening size, maximum feed size, discharge setting, capacity, motor power, jaw plate material, and frame strength determine whether the whole crushing line can run steadily.

Octal Pipe supplies PE and PEX jaw crusher machines for quarry crushing, mining ore preparation, aggregate production, construction waste recycling, and small-capacity rock crushing projects. The PE jaw crusher series is mainly used for coarse and primary crushing, while the PEX jaw crusher series is selected where a narrower discharge size or secondary fine crushing stage is required.

What Is a Jaw Crusher Machine?

A jaw crusher machine crushes material by pressing it between two jaw plates. The fixed jaw plate stays in position, while the moving jaw plate is driven by the eccentric shaft to create repeated compression. Large feed enters from the top of the crushing chamber, is crushed under pressure, and leaves through the bottom discharge opening after reaching the selected size range.

This machine is commonly used as a jaw rock crusher because it can handle hard and abrasive materials such as granite, basalt, limestone, river stone, iron ore, copper ore, construction concrete, and recycled aggregate. The final output depends on material hardness, feed gradation, moisture content, jaw plate profile, chamber condition, and discharge setting.

jaw crusher

The following diagram shows how material enters the crushing chamber, is compressed between the fixed and moving jaw plates, and is discharged from the bottom after reaching the required size.

jaw crusher working principle

Construction of Jaw Crusher

The construction of jaw crusher directly affects crushing force, operating stability, maintenance cost, and service life. A reliable jaw crusher is not only judged by capacity. The frame, eccentric shaft, bearings, toggle plate, jaw plates, and adjustment system must work together under repeated impact and compression load.

Main Component	Function	Why It Matters
Fixed jaw plate	Provides the stationary crushing surface	Controls crushing contact and wear pattern
Moving jaw plate	Compresses material against the fixed jaw	Determines crushing stroke and reduction effect
Eccentric shaft	Drives the movement of the movable jaw	Affects crushing force, bearing load, and machine rhythm
Flywheel	Stores rotational energy	Helps stabilize the crushing cycle under uneven feed
Toggle plate	Transfers force and provides overload protection	Protects the main structure during abnormal load
Frame	Supports crushing chamber and moving assembly	Must resist vibration, impact, and long-term fatigue
Bearing system	Supports eccentric shaft rotation	Affects service life and operating temperature
Discharge adjustment	Controls the outlet opening	Determines output size and capacity
Jaw plate liner	Direct wear surface inside the chamber	Must match stone hardness and abrasiveness

For heavy-duty quarry or jaw crusher mining service, frame rigidity, bearing protection, jaw plate material, and adjustment access are especially important. A crusher may have the right feed opening, but if the frame is weak or the jaw plates wear unevenly, actual production stability will still be poor.

jaw crusher machine

Jaw Crusher Specifications

The following PE and PEX models cover small, medium, and large crushing lines. Capacity is affected by rock hardness, feed shape, moisture, clay content, CSS setting, and feeding continuity, so the final model should be selected according to site material and required output size.

Model	Feed Opening Size (mm)	Max Feed Size (mm)	Discharge Size (mm)	Capacity (t/h)	Eccentric Shaft Speed (r/min)	Power (kW)	Weight (t)	Overall Dimension L×W×H (mm)
PE-150×250	150×250	125	10–40	1–3	250	5.5	0.8	720×660×850
PE-200×300	200×300	180	15–50	2–6	260	7.5	1.2	910×750×990
PE-200×350	200×350	180	18–70	3–10	260	11	1.5	1000×870×990
PE-250×400	250×400	210	20–60	5–20	300	18.5	2.8	1300×1090×1270
PE-400×600	400×600	340	40–100	16–60	275	30	7	1730×1730×1630
PE-500×750	500×750	425	50–100	40–110	275	55	12	1980×2080×1870
PE-600×900	600×900	500	65–160	50–180	250	75	17	2190×2206×2300
PE-750×1060	750×1060	630	80–140	110–320	250	90	29	2660×2430×2800
PE-900×1200	900×1200	750	95–165	220–450	200	110	52	3380×2870×3330
PE-1000×1200	1000×1200	850	195–265	315–500	200	110	55	3480×2876×3330
PE-1200×1300	1200×1300	1000	180–330	400–650	220	200	62	4538×2984×3959
PE-1200×1500	1200×1500	1020	150–350	400–800	180	250	80	4200×3300×3500
PE-1500×1800	1500×1800	1200	220–350	450–1000	180	280	122	5160×3660×4248
PEX-150×750	150×750	120	18–48	8–25	320	15	3.8	1200×1530×1060
PEX-250×750	250×750	210	25–60	13–35	330	30	5.5	1380×1750×1540
PEX-250×1000	250×1000	210	25–60	16–52	330	30	7	1560×1950×1390
PEX-250×1200	250×1200	210	25–60	20–61	330	37	9.7	2140×1660×1500
PEX-300×1300	300×1300	250	20–90	16–105	300	55	15.6	2720×1950×1600
PEX-300×1500	300×1500	250	25–120	60–140	300	75	16.5	2920×1950×1600
PEX-500×1500	500×1500	350	25–120	50–160	300	90	20	2360×2660×2105

PE and PEX Jaw Crusher Selection

PE and PEX models are selected according to the crushing stage. A PE jaw crusher machine is normally used when the project needs to break large stone or ore at the first crushing stage. A PEX model is selected where the inlet is narrower, the feed is already reduced, and the discharge size needs closer control.

Crusher Type	Typical Role	Suitable Condition
PE jaw crusher	Primary coarse crushing	Large feed size, quarry stone, mine ore, hard rock
PEX jaw crusher	Secondary or fine crushing	Smaller feed size, tighter discharge size, aggregate preparation
Small PE / PEX models	Mini crushing line or sample preparation	Low capacity, compact space, smaller feed material
Large PE models	Heavy-duty primary crushing	High feed volume, large blasted stone, mining or quarry line

A mini jaw crusher such as PE-150×250, PE-200×300, or PEX-150×750 is more suitable for small production, sample crushing, laboratory reduction, and low-volume stone processing. Large PE models such as PE-900×1200, PE-1200×1500, and PE-1500×1800 are more suitable for fixed crushing plants that need higher hourly throughput.

Jaw Crusher for Rock, Stone and Aggregate Crushing

A jaw crusher rock crusher is used where large and uneven feed material must be reduced before screening, cone crushing, or impact crushing. It is suitable for compression crushing, especially when the feed contains hard lumps that cannot be sent directly into a secondary crusher.

Working Condition	Crushing Requirement	Recommended Selection Logic
Quarry primary crushing	Break blasted stone before cone crusher or screen	Select PE model by maximum lump size and required capacity
Mining ore preparation	Reduce hard ore before grinding or secondary crushing	Check feed hardness, jaw plate wear, and motor reserve
Aggregate production	Prepare stone for road base, concrete aggregate, or screening	Match discharge size with downstream screen opening
Construction waste recycling	Crush concrete, brick, and demolition material	Consider tramp metal control, chamber cleaning, and wear parts
Small contractor crushing	Process small batches of stone or concrete	Use mini jaw crusher or compact PEX model

For quarry and mining service, real production capacity depends on stable feeding. If the feeder sends oversize lumps, clay-heavy material, or irregular blocks into the chamber, bridging and uneven crushing may occur. The recommended feed size should remain below the full feed opening to keep the machine running smoothly.

jaw-crusher-in-action-crushing-rocks

Stationary and Mobile Jaw Crusher Options

The PE and PEX models above are stationary jaw crusher machines. For temporary worksites, demolition recycling, road construction, and short-period aggregate production, the selected crusher can also be configured into a mobile jaw crusher plant with feeder, conveyor, motor control, and track or wheel chassis.

Configuration	Best Fit	Key Buying Point
Stationary jaw crusher	Long-term quarry or mining plant	Strong foundation, stable feeding, continuous production
Mobile jaw crusher	Temporary site or recycling project	Faster relocation, integrated feeder and conveyor
Mini jaw crusher	Small output or sample crushing	Compact footprint, lower power, easier installation
Fixed crushing line	Large aggregate or ore project	Easier integration with cone crusher, screen, and conveyor

A mobile option is not selected only for convenience. The frame design, feeder length, discharge conveyor height, transport dimension, local road limits, and site relocation frequency should be checked before choosing a mobile plant.

How to Choose the Right Jaw Crusher

The correct jaw crusher for sale should not be selected only by price or model name. The feed opening and maximum feed size must match the actual material, while the discharge size and capacity must match the downstream equipment.

Key selection points include:

maximum feed lump size and feed gradation;
required discharge size and CSS range;
hourly capacity target;
rock hardness and abrasiveness;
moisture, clay content, and dust condition;
primary or secondary crushing duty;
stationary or mobile plant layout;
motor power and site electrical supply;
installation space and foundation load;
jaw plate, toggle plate, bearing, and spare-part supply.

For example, if the site needs to process blasted stone with a maximum feed size around 500 mm, PE-600×900 can be reviewed as a reference model because its maximum feed size is 500 mm and its capacity range is 50–180 t/h. If the required feed size is smaller but the discharge must be controlled between 25–60 mm, PEX-250×1000 or PEX-250×1200 may be more suitable depending on capacity.

Jaw_Crusher_Model_Selection_Checklist.pdf

Manufacturing and Quality Control

A reliable jaw crusher must be controlled from structural fabrication to final assembly. Octal Pipe focuses on the parts that directly affect crushing load, machine life, output stability, and maintenance reliability.

Quality Control Area	Inspection Focus	Practical Value
Frame fabrication	Weld quality, machining surface, assembly alignment	Reduces vibration and structural stress
Eccentric shaft	Machining accuracy, fit with bearing seat	Supports stable movable jaw motion
Bearing installation	Fit, lubrication path, sealing condition	Controls heat and extends bearing life
Jaw plate	Material, profile, bolt fit, surface condition	Affects crushing efficiency and wear life
Toggle plate and seat	Contact condition and protection function	Helps prevent abnormal overload damage
Discharge adjustment	Range, locking condition, operation access	Controls final output size
No-load running test	Rotation, noise, vibration, temperature trend	Confirms assembly before shipment

Before delivery, the crusher can be checked for model marking, motor configuration, lubrication points, jaw plate installation, fastener condition, guard position, packing requirement, and shipment documentation. For export orders, spare wear parts can be supplied with the main machine to reduce downtime after commissioning.

Jaw_Crusher_Manufacturing_and_Pre_Shipment_QC_Checklist_Image.pdf

Why Choose Octal Pipe Jaw Crusher

Octal Pipe supports jaw crusher selection according to feed size, required capacity, discharge size, material condition, and plant layout. Instead of recommending only the largest model, we help match the crusher with the actual feed material and downstream process.

Project support can include:

PE and PEX model selection;
stationary or mobile plant configuration;
feeder, conveyor, screen, and crusher matching;
jaw plate and wear-part recommendation;
layout drawing support;
motor and power confirmation;
packing and export documentation;
spare parts list for site maintenance.

For a complete crushing line, the jaw crusher should be considered together with the vibrating feeder, belt conveyor, secondary crusher, vibrating screen, and final aggregate requirement. This reduces mismatch between crusher capacity and downstream screening or conveying capacity.

Ordering Information

To confirm a suitable jaw crusher model, provide the following information before quotation:

Required Information	Example
Material type	Granite, limestone, basalt, ore, concrete
Maximum feed size	210 mm, 500 mm, 750 mm, etc.
Required capacity	20 t/h, 100 t/h, 450 t/h, etc.
Required discharge size	20–60 mm, 65–160 mm, etc.
Crushing stage	Primary crushing or secondary crushing
Plant type	Stationary, mobile, or mini jaw crusher
Power supply	Voltage, frequency, motor requirement
Site condition	Quarry, mine, recycling yard, road project
Spare parts	Jaw plates, toggle plates, bearings, liners

Jaw_Crusher_RFQ_Information_Sheet.pdf

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FAQ

01.What is ａ jaw crusher used for?

A: A jaw crusher is used for primary or secondary crushing of rock, ore, concrete, and construction materials. It reduces large feed material by compression between a fixed jaw and a moving jaw.

02.What is the construction of jaw crusher?

A: The main construction includes the frame, fixed jaw plate, moving jaw plate, eccentric shaft, flywheel, bearings, toggle plate, discharge adjustment system, and wear-resistant jaw plates.

03.What is the difference between PE and PEX jaw crusher?

A: PE jaw crusher is mainly used for coarse and primary crushing with larger feed openings. PEX jaw crusher is commonly used for finer crushing where the feed is smaller and the discharge size needs closer control.

04.Is a mobile jaw crusher better than a stationary jaw crusher?

A: A mobile jaw crusher is better for temporary sites, recycling projects, and road construction where relocation is frequent. A stationary jaw crusher is more suitable for long-term quarry or mining production lines.

05.How do I choose a jaw crusher machine?

A: Selection should be based on feed opening, maximum feed size, required capacity, discharge size, material hardness, abrasiveness, installation space, power supply, and spare-part support.