China Small Jaw Crusher PE 200x300 Manufacturers & Companies

The Comprehensive Industrial Whitepaper & Procurement Sourcing Guide for Small-Scale Crushing, Laboratory Assaying, and Mining Operations

WHITE PAPER INTRO

The Engineering Excellence of PE 200x300 Small Jaw Crusher

The PE 200x300 jaw crusher has established itself as the bedrock of small-scale mineral processing, laboratory geological preparation, and localized construction recycling operations. In a global landscape shifting toward agile mining and rapid exploration, sourcing this equipment from qualified manufacturers requires a profound understanding of metallurgical integrity, engineering dynamics, and manufacturing tolerances.

As a leading hub for industrial heavy machinery, China has transformed its production standards from basic foundry casting to automated precision engineering. Selecting the right manufacturer involves looking past superficial pricelists and digging deep into quality assurances, design revisions, and after-sales support structures. This document serves as a guide to evaluating China's top manufacturers, identifying technical specifications, and understanding the market trends defining modern crushing technology.

"True value in primary jaw crushers is measured not by purchase cost, but by wear lifecycle, mechanical availability, and the ability to process variable rock hardness without sudden frame failure."

Henan Ascend Heavy Machinery Workshop
2005
Established Year
130+
Exporting Countries
98.8%
Client Retention Rate
CE & ISO
Certified Standards

PE 200x300 Engineering Specifications

Deciphering the mechanical components and tolerances that ensure uninterrupted operation under heavy workloads.

The PE series jaw crusher uses an eccentric shaft mechanism to generate a compressive force. In the PE 200x300 configuration, the feed opening is specifically sized at 200mm in width by 300mm in length, making it ideal for primary stage processing before secondary milling. Below is the technical breakdown of the machine's components:

Feed & Capacity Specs

  • Feed Opening Size: 200 mm × 300 mm
  • Maximum Feeding Size: ≤ 180 mm
  • Discharge Adjustment Range: 15 mm – 50 mm
  • Processing Capacity: 2 – 6 t/h

Power & Speed Specs

  • Electric Motor Power: 7.5 kW – 11 kW
  • Optional Power Source: Diesel Engine (8-12 HP)
  • Eccentric Shaft Speed: 300 rpm
  • Total Weight: 1.2 Metric Tons (approx.)

Metallurgical Profile

  • Jaw Plates Steel Grade: Mn13Cr2 / Mn18Cr2
  • Eccentric Shaft Material: Heavy-Forged 40Cr Steel
  • Main Frame Structure: Q235 Thick Steel Plate (Welded)
  • Bearing Configuration: Spherical Roller Bearings (Heavy Duty)

Development Trends & Technical Evolution

How manufacturers are redesigning classic machinery to meet modern operational demands.

Transition to Mobile Skids

Modern sites require flexibility. Leading Chinese manufacturers now supply PE 200x300 crushers mounted on mobile trailer frames, complete with integrated diesel engines, fold-out feed hoppers, and small discharge conveyors. This removes the need for structural concrete foundations and permits rapid deployment directly to mining faces or isolated exploration pits.

High-Manganese Steel Alloys

Legacy jaw plates suffered rapid wear when crushing high-quartz gold ores or basalt aggregates. Today's premium manufacturers incorporate Mn13Cr2 or Mn18Cr2 alloys. The addition of chromium drastically improves work-hardening characteristics, allowing the surface of the plate to harden under impact while maintaining a tough, elastic backing core to resist fracturing.

Hydraulic Adjustment Systems

Manually adjusting the Closed Side Setting (CSS) with metal shims is labor-intensive and results in equipment downtime. The latest designs incorporate a hydraulic wedge adjustment cylinder. Operators can change the output particle size (from 15mm up to 50mm) within minutes, streamlining process adaptations and reducing manual labor.

Popular Product Categories

Discover how our machines cater to primary crushing, mobile configurations, fine milling, and gravity separation plants.

Impact Stone Crusher Machine

Stone Crusher & Impact Processing Equipment

Impact crushers are secondary crushing machines designed to process materials using impact force. Characterized by simple maintenance, high reduction ratios, and superior efficiency, they generate cubical end products. They feature three crushing chambers, a seamlessly connected rotor, wear-resistant blow bars, and user-friendly hydraulic open-close setups. These machines handle varying feed characteristics in mineral processing circuits, from primary sizing down to the final preparation steps.

China Factory 4.0: Supply Chain Resilience & Manufacturing Excellence

Behind Henan's heavy machinery industrial cluster lies a network of automated manufacturing and rigorous quality control.

The manufacturing ecosystem in Henan, China, has evolved from low-cost casting foundries into a smart industrial cluster. Sourcing a PE 200x300 jaw crusher from this region offers technical advantages rooted in manufacturing quality controls:

Automated CNC Stress Annealing

Welding the main frame structure produces residual thermal stresses. To prevent structural cracking during heavy crushing, Henan factories subject the welded frames to high-temperature thermal annealing in computer-controlled electric furnaces. This stress-relief cycle ensures structural integrity across the frame welds.

Non-Destructive Testing (NDT)

Internal voids or micro-cracks in forged eccentric shafts or cast swing jaws can cause sudden failures. Reputable manufacturers use ultrasonic and magnetic particle testing (NDT) on heavy-load shafts and swing jaws. This non-destructive inspection certifies that every component is free from structural defects before final assembly.

Integrated Supply Ecosystem

Zhengzhou City's industrial zone hosts an integrated supply network. This proximity allows manufacturers to source bearings, drive belts, and electric motors locally. The resulting logistics efficiency keeps production lead times within 7–14 days and guarantees that spare wear plates, toggle blocks, and tension rods remain continuously in stock.

Customize Your Solution

Ascend has developed steadily since its establishment. Its business covers more than 130 countries and regions around the world, especially in Africa and Southeast Asia.

Gold Ore Project

Gold Ore Projects & Solutions

Complete flowsheets designed for small and medium gravity concentration circuits, maximizing recovery of free gold from hard rock deposits.

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Mining Solutions

Mining Solutions

Tailored hard rock processing plants incorporating primary jaw crushers, fine impact units, screen separators, and dust control systems.

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Aggregate Processing

Aggregate Crushing Solutions

Durable setups for road construction projects, preparing limestone, gravel, and quartz aggregates down to specification sizes.

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Mobile Crushing

Mobile Crushing Solutions

Compact, skid-mounted or wheel-mounted jaw plants that can be hauled easily by utility vehicles between remote mining claims.

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Industrial Applications & Field Scenarios

Exploring the operational roles of the PE 200x300 jaw crusher across global job sites.

1. Laboratory Assay Sampling

Geological mapping and ore assaying labs require consistent particle sizing before pulverization. A PE 200x300 crusher serves as an ideal primary sizing tool, reducing bulk rock samples down to under 20mm. Its dust-contained housing and easy-to-clean crushing chamber minimize cross-contamination between geologic batches, ensuring accurate chemical analyses.

2. Small-Scale Gold Prospecting

In artisanal and small-scale gold mining (ASGM) sites in East Africa and South America, gold is bound within hard quartz veins. The PE 200x300, paired with a diesel engine, functions as a reliable primary crushing unit. By reducing quartz boulders to a uniform gravel feed, it optimizes the throughput and recovery rates of wet pan mills or gold concentrators.

3. On-Site Construction Recycling

Demolition sites generate concrete debris, masonry blocks, and brick waste. Using a skid-mounted PE 200x300 on-site allows contractors to recycle this rubble into aggregate base course for walkways and foundations. This reduces transport costs and disposal fees, supporting localized circular economy projects.

4. Silica & Ceramic Frit Processing

For glass and ceramics manufacturers, raw materials like silica rock and feldspar must undergo primary crushing before final milling. The PE 200x300, configured with wear-resistant high-chrome jaw plates, prevents metallic iron contamination from entering the raw materials, preserving final product quality.

Global Project Footprints & Cases

Actual installations demonstrating the performance of our crushing solutions in demanding field environments.

Mining case gold separation

Gold Separation Facility, Sudan

Mobile crushing station plant

Mobile Crushing Station, Zambia

Industrial mineral sizing plant

Quartz Processing Site, Southeast Asia

Granite crushing plant project

Granite Aggregate Plant, East Africa

Alluvial gold panning washing plant

Alluvial Gold Washing, Latin America

Aggregate quarry screening line

Basalt Sizing Unit, Papua New Guinea

Operational Intelligence & Maintenance Practices

Maximize equipment uptime and wear part lifespan through proactive maintenance strategies.

Ensuring the longevity of a PE 200x300 jaw crusher involves managing two main factors: proper lubrication and balanced wear-plate utilization. Because these units handle high-abrasion ores like quartz and basalt, neglecting maintenance routines can result in bearing failure or cracked frames.

  • Bearing Lubrication: Use high-temperature lithium-based grease. Inject grease into the main eccentric shaft bearings every 8 operating hours. Ensure seals are checked regularly to prevent rock dust from entering the housing.
  • Tension Rod Adjustment: The tension rod spring maintains contact between the swing jaw, toggle plate, and toggle seat. If this spring loosens, the toggle plate can slip out of position, causing severe mechanical damage. Check and adjust the spring tension weekly.
  • Jaw Plate Rotation: Wear patterns typically concentrate at the bottom third of the jaw plates. To optimize wear life, flip the jaw plates (from top to bottom) once the teeth in the lower section show 50% wear. This rotation extends the overall lifespan of the manganese steel plates by up to 40%.
  • Preventing Feed Bridging: Avoid feeding rocks larger than 180mm. Oversized feed can lodge in the upper chamber (bridging), stopping material flow and placing excessive torsional stress on the eccentric shaft and drive pulleys.

Sourcing Strategies for Procurement Managers

Key criteria for selecting and vetting manufacturers in China's industrial clusters.

1. Material Certificates

Always request chemical composition analyses and heat-treatment certificates for the jaw plates and eccentric shaft. Legitimate manufacturers will provide test records verifying that manganese levels meet the Mn13Cr2 or Mn18Cr2 specification, which is essential for proper work-hardening.

2. Pre-Shipment Run Tests

Ensure your purchase agreement includes a factory run test. The manufacturer should run the jaw crusher unloaded for at least 2 to 4 hours, monitoring bearing temperatures, vibration levels, and rotational speed to verify balance before packing and export.

3. Spare Parts Package

For remote mining sites, shipping individual parts is costly and causes downtime. Secure a spare parts package with your order, including at least one set of fixed and moving jaw plates, side liners, two toggle plates, and a set of replacement drive belts.

Frequently Asked Questions (FAQ)

Answers to common engineering and sourcing questions about the PE 200x300 jaw crusher.

What is the maximum feed size the PE 200x300 can accept? +
The theoretical feeding mouth width is 200mm, but the recommended maximum feed size is 180mm. Feeding materials larger than 180mm can block the crushing chamber, cause bridging, and increase stress on the flywheels and eccentric shaft.
Can I drive the PE 200x300 with a diesel engine? +
Yes. For remote locations lacking stable electrical power, the crusher can be configured with an 8-12 horsepower diesel engine. The engine is mounted on a common steel base frame with the crusher and drives the flywheel using heavy-duty V-belts.
What is the typical lifespan of the manganese jaw plates? +
Lifespan depends on feed hardness and daily operating hours. When crushing hard quartz ore (hardness Mohs 7), a set of high-manganese (Mn13Cr2) plates will process between 500 and 1,000 tons before replacement is needed. Crushing softer materials like limestone can extend plate life to over 3,000 tons.
How do you adjust the discharge size (output particle size)? +
Adjustment is managed through the wedge block assembly at the rear of the swing jaw. By adjusting the position of the wedge bolts or shims, you can vary the gap (Closed Side Setting) between the jaw plates from 15mm up to 50mm, controlling the output size.
What is the difference between casting and welding frames for the PE 200x300? +
Cast frames are poured as a single piece and offer high structural rigidity, but they can crack under intense impact if casting voids are present. Welded frames, fabricated from thick Q235 structural steel plate and properly stress-annealed, provide high elasticity and resistance to impact cracking.
How much does a PE 200x300 jaw crusher weigh, and how is it shipped? +
The standard unit weighs approximately 1,200 kg (2,645 lbs). For international shipping, it is packaged in a steel-reinforced wooden crate to protect the pulleys and flywheels. It can be shipped via LCL (Less than Container Load) or as part of a consolidated FCL (Full Container Load) shipment.
What type of lubricant is required for the eccentric shaft bearings? +
Use high-performance, extreme-pressure lithium-based grease (NLGI Grade 2 or 3) with solid anti-wear additives. This grease maintains its viscosity under high working temperatures and protects the bearings from dust contamination.
Why is the toggle plate designed to break under extreme loads? +
The toggle plate acts as a mechanical fuse. If an uncrushable object (such as a piece of tramp metal or excavator tooth) enters the chamber, the toggle plate is designed to shear or buckle first. This stops the crushing action and protects the expensive eccentric shaft, bearings, and frame from damage.
Ascend Machinery Factory Building

ASCEND BRAND PROFILE

Henan Ascend Machinery & Equipment Co., Ltd.

Henan Ascend Machinery & Equipment Co.,Ltd. was established in 2005 and is located in the high-tech zone of Zhengzhou City, Henan Province. For over two decades, Ascend has focused on the research, development, manufacture, and export of crushing, grinding, screening, feeding, and mineral dressing machinery.

Our engineers provide professional layout designs and project consulting. Because we operate our own factory, we can offer custom equipment configurations, guaranteed material specifications, and factory-direct pricing. Contact our engineering team today to discuss your project requirements.

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