Zhongxin Heavy Industrial Machinery Co.,Ltd.
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PCZ Series Heavy Hammer Crusher

Capacity
100-700t/h
Motor Power
55-700KW

Applications: The PCZ heavy hammer crusher is engineered for crushing medium-hard rocks (≤200 MPa) like limestone, dolomite, bluestone, and coal gangue. Processing feeds up to 1,200 mm directly into ≤30 mm cubical aggregates in a single pass, it is widely used in aggregate quarries, cement plants, and mining operations worldwide.

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PCZ Series Heavy Hammer Crusher Overview & Single-Stage Crushing Solution

◎The PCZ series heavy hammer crusher is an advanced, high-capacity single-stage crushing solution designed to replace conventional two-stage "Jaw Crusher + Impact Crusher" crushing circuits for medium-hard bulk materials such as limestone, dolomite, bluestone, coal gangue, and shale. Engineered with a high-torque heavy-duty rotor and wear-resistant Cr-Mo-V multi-alloy cast hammers (HRC62+ surface hardness), the PCZ single-stage crusher reduces raw feed sizes up to 1,200 mm down to ≤30 mm finished cubical aggregates in a single pass. 

◎By streamlining the crushing process, this industrial hammer mill cuts overall equipment footprint by ~40%, lowers total installed power consumption by ~25%, and eliminates auxiliary conveyors to drastically reduce capital investment. Featuring an integrated sub-5-minute hydraulic opening system for rapid maintenance and anti-clogging wavy grate bars for precise particle control, the PCZ heavy hammer crusher delivers unmatched operational reliability and low cost-per-ton output for stone quarries, mining operations, cement raw material processing, and aggregate production plants worldwide.

PCZ heavy hammer crusher unit showcasing compact footprint replacing jaw and impact crushers
PCZ Series Heavy Hammer Crusher

Single-Stage Efficiency

Replaces the traditional two-stage "Jaw + Impact" circuit by completing primary and secondary crushing in a single pass. It handles raw feed sizes up to 1200 mm and directly reduces material to ≤30 mm finished aggregates.

PCZ Series Heavy Hammer Crusher

Multi-Alloy Hammers

Equipped with Cr-Mo-V multi-alloy cast hammers featuring an HRC62+ surface hardness and a tough ductile core. The 360° reversible mounting design allows operators to rotate worn hammer faces, effectively doubling the service life and lowering wear-part costs.

PCZ Series Heavy Hammer Crusher

Rapid Hydraulic Access

Features an advanced hydraulic unpacking system that opens the main casing in under 5 minutes for rapid internal inspection and hammer replacement. it gains 200+ extra production hours per year.

PCZ Series Heavy Hammer Crusher

Heavy-Duty Rotor

Powered by a high-torque rotor with single hammer weights up to 120 kg, delivering over 15,000 Joules of kinetic energy per impact at rated RPM. Combined with dual-motor drive and hydraulic couplings, it ensures smooth full-load starts and steady continuous operation.

PCZ Series Heavy Hammer Crusher

Anti-Clogging Grates

Incorporates innovative wavy grate bars that expand the screening surface area to prevent sticky or damp material blockages. The adjustable impact plate angle (30°–45°) allows precise customization of output particle sizes for well-shaped, cubical aggregates.

Key Features & Cost-Saving Advantages of PCZ Heavy Hammer Crusher

Specifically designed for medium-hard, low-abrasion bulk rocks with compressive strength ≤200 MPa, including limestone, dolomite, bluestone, coal gangue, and shale. It serves as a dependable workhorse across quarrying, mining, infrastructure, and cement production lines.

PCZ heavy hammer crusher side profile showing single-stage primary and secondary crushing design
PCZ series single-stage heavy hammer crusher manufacturing line for limestone crushing plant
Precision engineered PCZ hammer crusher rotor with HRC62 alloy hammers before painting
PCZ heavy hammer crusher processing medium-hard limestone in open-pit quarry site
PCZ heavy hammer crusher with discharge belt conveyor system in open-cast stone quarry
High-capacity PCZ single-stage heavy hammer crusher operating in open-pit aggregate plant

Performance & Cost Comparison: Single-Stage PCZ Heavy Hammer Crusher vs. Traditional Two-Stage Crushing Line

hen designing a stone crushing and screening plant for limestone, dolomite, or medium-hard rocks, plant operators face a critical choice between a single-stage heavy hammer crusher circuit and a traditional two-stage (Jaw Crusher + Impact Crusher) setup.

The PCZ series heavy hammer crusher streamlines aggregate production by combining primary coarse reduction and secondary fine crushing into a single high-efficiency unit. This innovative approach eliminates intermediate transfer conveyors and auxiliary feeders, delivering substantial capital investment savings, lower energy consumption, and reduced operational downtime.

◎Quantitative Performance Comparison Table

Comparison Metric / Technical FeaturePCZ Series Single-Stage Heavy Hammer CrusherTraditional Two-Stage Circuit (Jaw Crusher + Impact Crusher)Operational & Economic Advantage
Crushing Circuit Design

Single-Pass (Primary + Secondary Integrated)

Two-Stage (Primary Jaw + Secondary Impact)

Streamlined Flowsheet: Eliminates 1 crusher unit and intermediate transfer equipment.

Maximum Feed Size

Up to 1,200 mm

Up to 1,200 mm

Equal Feed Capability: Directly accepts large quarry run stones.

Finished Output Size

≤30 mm (Adjustable Cubical Aggregates)

≤30 mm (Adjustable Aggregates)

Single-Pass Reduction: Achieves high crushing ratio without return circuits.

Equipment Footprint

Baseline (Compact Layout)

+40% Larger Site Footprint

40% Space Saving: Ideal for tight quarry sites and lower civil engineering costs.

Total Installed Power

e.g., PCZ1615: 2 × 200 kW (400 kW total)

e.g., PE750 × 1060 + PF1315: ~310–450 kW+

~25% Power Reduction: Significantly lowers electricity cost per ton of crushed aggregate.

Capital Investment (CAPEX)

Baseline (Lower Initial Cost)

+30% to +50% Higher Investment

30%–50% CAPEX Savings: Reduces machinery, foundation, and conveyor infrastructure costs.

Maintenance Access Time

<5 Minutes (Hydraulic Unpacking System)

2 to 4 Hours (Manual Casing Disassembly)

200+ Extra Operating Hours/Year: Fast hydraulic access maximizes production uptime.

Wear Part Material & Life

Cr-Mo-V Alloy (HRC62+, 360° Reversible)

High-Manganese Steel / Standard Chromium

2x Hammer Service Life: Dual-face rotation reduces wear-part cost per ton.

◎Key Takeaways for Mine & Quarry Owners

  1. Lower Total Cost of Ownership (TCO): By reducing total motor wattage and eliminating secondary crushing equipment, the PCZ single-stage hammer mill cuts power bills by ~25% while maintaining high tph (tons per hour) aggregate output.

  2. Reduced Maintenance Downtime: Traditional crushers require hours of manual labor to replace blow bars or jaw plates. The PCZ hydraulic opening shell mechanism grants instant access in under 5 minutes, adding over 200 extra production hours per year.

  3. Optimized Aggregate Gradation: Featuring an adjustable impact plate angle (30°–45°) and anti-clogging wavy grate bars, the PCZ heavy hammer crusher produces highly cubical stone aggregates meeting strict highway and concrete building material standards.


Working Principle & Three-Stage Impact Crushing Process of Heavy Hammer Crusher

◎The PCZ series single-stage heavy hammer crusher operates on an advanced, highly efficient three-stage kinetic impact principle, specifically designed to reduce large bulk rocks into high-grade aggregate particles in a single continuous pass.

◎Primary High-Speed Impact & Shattering: Massive bulk rocks up to 1,200 mm in diameter enter the heavy-duty crushing chamber and are instantly struck by high-torque multi-alloy cast hammers. Mounted on a high-inertia heavy rotor spinning at linear velocities of 35–55 m/s, each hammer delivers over 15,000 Joules of kinetic energy per strike, causing immediate primary fracture along the material's natural geological structural fault lines.

◎Secondary Inter-Material & Impact Plate Reduction: Uncrushed rock fragments and broken stones are propelled at high velocity against serrated impact plates positioned at an optimized 30°–45° angle. This design creates an intense secondary crushing zone where bouncing stones collide mid-air with incoming materials and rapidly rotating hammers, maximizing inter-particle collision and rapidly fine-tuning particle shape.

◎Dynamic Screening & Self-Cleaning Discharge: In the final stage, crushed stones pass over an innovative wavy grate bar assembly for dynamic size screening. Qualified cubical aggregates (≤30 mm) are smoothly discharged through the screen gaps without clogging, while oversized rocks are swept back into the crushing chamber by the rotor for immediate continuous reduction until all target specifications are met.


Top view of PCZ heavy hammer crusher feed hopper handling large bulk raw stones

Product Photos

Assembled PCZ series single-stage heavy duty hammer crusher units ready for factory dispatch
Front view of PCZ series heavy hammer crusher with high-torque rotor for stone quarry
PCZ heavy hammer crusher on lowboy trailer for delivery to mine processing project
PCZ heavy hammer crusher on lowboy trailer for delivery to mine processing project
PCZ series heavy hammer crusher loaded on flatbed truck for international transport
Semi-mobile PCZ heavy hammer crusher station operating in granite and limestone quarry
Complete aggregate processing line featuring PCZ single-stage heavy hammer crusher on site
Heavy duty hammer crusher in operation at open-cast rock crushing and screening plant
Heavy hammer crusher equipment installed on site for high-efficiency stone production

Specification

ModelFeeding Size
(W*L)(mm)		Rotor Size
(Dia.xL)(mm)		Input Size(mm)Power(KW)Capacity(t/h)Overall Dimension
(mm)
PCZ0808800 × 500Φ800 × 800≤4502 × 3750-901760×1700×1540
PCZ1308850 × 800Φ1300 × 800≤6002 × 55100-1602818×2100×2390
PCZ13101050 × 800Φ1310 × 1000≤6002 × 75120-1802818×2300×2390
PCZ15101200 × 850Φ1500 × 990≤7002 × 132160-2103260×2370×2750
PCZ15121200 × 1100Φ1500 × 1200≤7502 × 160220-3503260×2580×2750
PCZ16151500 × 1300Φ1650 ×1500≤10002 × 200350-5003456×2915×3185
PCZ20161500 × 1400Φ2000 ×1500≤12002 × 315500-8003880×2990×3560


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Common Problems

This section is designed to address the most pressing inquiries customers may have regarding the daily operation, maintenance, product advantages, and after-sales service of our machine. Our aim is to help you gain a comprehensive understanding of our overall capabilities and enable you to make informed decisions for your projects.

The PCZ series heavy hammer crusher is engineered to handle medium-hard, low-abrasion bulk materials with a compressive strength of ≤200 MPa. It is widely used in quarrying and mining operations to crush limestone, dolomite, bluestone, coal gangue, shale, and gypsum. Due to its single-stage heavy-duty rotor design, it effectively processes large raw rocks into high-quality cubical aggregate for cement production, highway construction, and concrete batching plants.

A traditional aggregate plant uses a two-stage setup consisting of a primary jaw crusher and a secondary impact crusher. The PCZ heavy hammer crusher completes both primary coarse reduction and secondary fine crushing in a single pass. It accepts raw rock feed sizes up to 1,200 mm and directly reduces them to ≤30 mm finished aggregates, saving ~40% in site footprint, cutting ~25% in installed power, and eliminating extra transfer conveyors and auxiliary feeders.

PCZ hammer crushers feature Cr-Mo-V multi-alloy cast hammers with an HRC62+ surface hardness and a high-toughness ductile core. To maximize service life, all hammer heads feature a 360° reversible mounting design. Once the leading striking face becomes worn, operators can easily rotate the hammer 360° to expose a fresh face, which effectively doubles the overall wear life of the hammers and reduces wear-part replacement costs per ton.

Unlike conventional crushers that require 2 to 4 hours of manual disassembly to open the casing, the PCZ heavy hammer crusher comes with an integrated hydraulic unpacking system. Operators can open the heavy casing, inspect internal liners, replace hammers, and close the machine in under 5 minutes. This rapid access gains over 200+ extra production hours per year, significantly increasing uptime and plant profitability.

The PCZ series utilizes an innovative "wavy grate bar" design at the bottom discharge zone. Compared to traditional flat screens, wavy grate bars expand the effective screening area and facilitate dynamic discharge, preventing damp or sticky material from clogging the screen openings. Furthermore, the impact plate angle can be adjusted between 30° and 45° to precisely regulate retention time and achieve the desired finished particle size.

The PCZ series offers 7 distinct models ranging from the compact PCZ0808 (capacity: 50–90 t/h) to the large-scale PCZ2016 (capacity: 500–800 t/h). Whether you operate a small aggregate quarry or a mega-scale limestone crushing plant, there is a tailored model equipped with dual-motor drives and hydraulic couplings to ensure smooth full-load starts and steady continuous operation.

Yes, the output particle size is fully adjustable to meet different aggregate gradation standards. By adjusting the gap between the rotor hammers and the bottom grate bars, as well as tuning the angle of the serrated impact plate (30°–45°), operators can control the finished stone size from ≤10 mm up to ≤30 mm with a high percentage of cubical shape and minimal flaky particles.

Choosing a PCZ single-stage heavy hammer crusher lowers initial capital investment (CAPEX) by 30% to 50% compared to traditional two-stage crushing plants. By eliminating secondary crushers, intermediate surge bins, and connecting belt conveyors, plant owners reduce equipment procurement costs, civil engineering expenses, electrical cabinet requirements, and ongoing electricity consumption by ~25%.

COMPREHENSIVE SERVICE & GENUINE SPARE PARTS

Zhongxin Heavy Industry provides not only high-performance equipment but also full life-cycle support solutions.

PCZ Series Heavy Hammer Crusher
PCZ Series Heavy Hammer Crusher
OEM Wear Parts

We supply direct factory-original (OEM) wear parts engineered specifically for the PCZ series heavy hammer crusher, including Cr-Mo-V multi-alloy cast hammers (HRC62+ surface hardness), high-manganese impact liners, and heavy-duty wavy grate bars. Manufactured with strict metallurgical control and precise dimensional accuracy, our high-wear alloy components ensure perfect fitment, maximized operational lifespan, and significantly reduced cost-per-ton during continuous heavy-duty crushing.

Service
Global On-Site Support

Our international engineering team provides comprehensive lifetime technical support, including overseas on-site installation guidance, foundation layout planning, operator safety training, and complete crushing circuit optimization. Backed by round-the-clock remote diagnostics and regional wear-part inventory centers, we guarantee rapid emergency response times to ensure continuous plant uptime and maximum production yield for aggregate and mining projects worldwide.

Service
Custom Engineering Services

Recognizing that every quarry and mining site presents unique operational conditions, we offer tailor-made structural customization and wear-part modification services based on your specific feed characteristics (limestone, dolomite, coal gangue) and desired output aggregate gradation. From customized feed hopper extensions and mobile trailer mounting to specialized high-wear alloy hammer formulations, our technical team delivers optimal engineering solutions to match your exact production targets.

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