Zhongxin Heavy Industrial Machinery Co.,Ltd.
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PY Series Spring Cone Crusher

Capacity
15-1000 TPH
Power
30-280KW

Core Structural Components: we supply high-precision core mechanical components, including bronze bushings (socket liners, straight bushings, eccentric bushings), main shafts, countershafts, and pinion/bevel gears.

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PY spring cone crusher used in hard rock mining crushing plant with stable performance
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What is the PY series spring cone crusher?

◎The PY Series Spring Cone Crusher is a reliable, cost-effective machine designed for secondary and tertiary crushing of medium to hard ores. Featuring simple operation, low maintenance, and an automatic spring tramp iron release system, it ensures continuous uptime. For mining plants on a budget, it offers the most economical investment per moving cone diameter.

◎Robust Structural & Mechanical Assemblies

Built with a high-strength cast frame anchored to foundations, the PY cone crusher integrates precise mechanical components and auxiliary systems:

  • Crushing & Drive Assemblies: Mainframe, drive shaft, eccentric sleeve, bowl liner socket, moving cone, and adjustment sleeve.

  • Overload Protection & Adjustment: Heavy-duty safety springs for tramp release and an auxiliary hydraulic station for discharge setting adjustments.

  • Power & Auxiliary Units: Feed hopper, electric motor, lubrication station, and electrical control cabinet.

Introduction to the Components of the PY Series Spring Cone Crusher
PY Series Spring Cone Crusher

Hard Rock Crusher for High-Hardness Materials

Engineered for hard rock crushing lines like granite and river pebble, delivering peak efficiency, high throughput, and reliable reduction ratios for high-hardness, abrasive mineral feeds.

PY Series Spring Cone Crusher

Optimized Aggregate Shape & Premium Quality

Advanced inter-particle compression design optimizes aggregate and sand particle geometry, dramatically reducing elongated or flaky materials to produce cubical, high-spec finished products.

PY Series Spring Cone Crusher

Reliable Sealing for Harsh Quarry Environments

Utilizes heavy-duty labyrinth and water sealing systems to block fine dust ingress, protecting the main shaft, eccentric bearings, and drive gears from premature wear in severe mining settings.

PY Series Spring Cone Crusher

Cavity & Discharge Adjustment

Offers coarse, medium, and fine cavity configurations to fit varied operational flows, with an easy-to-use discharge setting adjustment for precise calibration of target aggregate and sand sizes.

PY Series Spring Cone Crusher

Spring Overload & Tramp Release

Features a heavy-duty mechanical spring safety mechanism that automatically opens to pass uncrushable tramp iron safely, instantly resetting the bowl to preserve continuous, non-stop operation.

What are the features of the PY series spring cone crusher?

Advanced compression crushing design optimizes aggregate and sand particle shapes, significantly reducing elongated and flaky material rates. To guarantee long-term operational stability, we supply high-precision core mechanical components, including bronze bushings (socket liners, straight bushings, eccentric bushings), main shafts, countershafts, and pinion/bevel gears. Machined strictly according to OEM blueprints, these wear-resistant parts prevent catastrophic failures like bushing burning or shaft seizing, restoring your crusher to peak performance.

PY Series Spring Cone Crusher workshop manufacturing process
PY spring cone crusher factory workshop assembly and production line
PY spring cone crusher factory workshop assembly and production line
PY Series Spring Cone Crusher manufactured in modern mining equipment factory workshop
PY Series Spring Cone Crusher
PY Series Spring Cone Crusher

Why choose the PY series spring cone crusher?

Time-Tested Reliability & Unmatched Cost-Effectiveness

◎1.Advanced production technology and professional equipment 

Our products have process cards for each stage from raw material to finished product, and are strictly inspected by dedicated quality inspectors.

◎2.Continuous improvement based on customer feedback during production and sales 

We continuously upgrade and modify the PY cone crusher during the production process.

◎3.Diverse models and configurations to meet various customer needs  

The PY cone crusher can also be interchanged between standard, medium, and short-head models by changing the adjusting sleeve and moving cone, meeting customers' needs for coarse, medium, and fine crushing operations.

◎4.Easy Routine Maintenance & Globally Accessible Parts

Due to its massive global footprint, routine maintenance and parts replacement are simple and require a low technical learning curve. Meanwhile, a healthy supply network of high-standard OEM parts ensures instant availability wherever your job site is located.

◎5.Extended Wear Life for Lower Cost-Per-Ton

Mantles and concaves are cast from premium high-manganese steel. Combined with an optimized interparticle crushing chamber, material fill rate is high and liners wear evenly, which drastically extends replacement cycles and slashes continuous spare parts expenditures.

 Complete Line Synergy & High Return on Investment

◎1.Interparticle Crushing for Superior Cubical Aggregates

Shifting away from single-particle impact, it utilizes powerful compressive force to achieve interparticle crushing. The flakiness and elongation of finished products are drastically reduced, delivering balanced sand and aggregate grading that meets strict modern construction standards.

◎2.High-Rigidity Body to Conquer High-Hardness Materials

The heavy-duty cast steel frame, supported by thick reinforcing ribs, offers ultimate fatigue strength. When crushing high-hardness and highly abrasive materials like basalt, granite, or quartzite, it handles high capacity continuously, making it a highly economical choice for large mining and quarry projects.

◎3.Manufacturer Full-Plant Solutions Erase Operational Risks

We do more than supply standalone units; we deliver integrated turnkey capabilities for complete crushing lines and mineral processing lines. From layout design and foundation guidance to on-site commissioning and operator training, our factory experts manage the process to turn your investment into profit rapidly.

What is the working principle of the PY series spring cone crusher?

The PY series spring cone crusher operates on a continuous compression and impact mechanism to deliver high-efficiency material reduction across mining and aggregate applications:

  • Material Reduction Principle: Raw feed is crushed through a combination of high-force squeezing, impact, and bending forces as it passes between the gyrating moving cone (mantle) and the stationary fixed cone (concave).

  • Power Transmission Assembly: The drive shaft—housed within the heavy-duty mainframe housing—drives a small bevel gear that meshes with a large bevel gear on the eccentric sleeve. Power is delivered from the electric motor via a high-torque pulley and V-belt assembly to maintain smooth continuous rotation.

  • Lubrication & Component Protection: High-friction interface points (including the drive shaft bearings, thrust plate, conical bushing, main shaft, straight bushing, bevel gear pair, and spherical bearing) feature forced lubrication and heavy-duty dust seals to minimize mechanical wear and maximize equipment service life.

  • Spring Overload & Tramp Release System: Equipped with heavy-duty spring assemblies mounted around the frame, the crusher features a robust overload protection mechanism. When uncrushable material enters the crushing chamber, the support ring lifts against the springs, widening the gap between mantle and concave. This lets foreign objects pass safely through the discharge opening before instantly resetting the stationary cone to prevent structural damage.

Classic Cone Crusher Technology for Heavy-Duty Crushing

Product Photos

PY Series Spring Cone Crusher manufacturing in factory workshop with assembly process
PY spring cone crusher production line assembly and quality inspection in factory
PY spring cone crusher manufactured in mining equipment production workshop
PY spring cone crusher loading and delivery for mining project export
PY Series Spring Cone Crusher packed and loaded for overseas mining plant delivery
Factory direct PY Series Spring Cone Crusher being loaded for international shipment
PY spring cone crusher operating in quarry crushing production line with stable performance
PY Series Spring Cone Crusher running in aggregate production line with high efficiency and stable output
PY Series Spring Cone Crusher used in hard rock mining crushing plant site

Specification

TypeDia. of Cone (mm)Adjusting Range of Discharge Opening(mm)Max Feed Size(mm)Capacity (t/h)Motor Power (kw)Weight (t)Overall Dimension (mm)
PYB-60060012-256515-25305.51740×1225×1940
PYD-6003-13365-23305.51740×1225×1940
PYB-90090015-5011550-905510.181990×1640×2380
PYZ-9005-206020-655510.191990×1640×2380
PYD-9003-134015-505510.271990×1640×2380
PYB-1200120020-50145110-20011024.72805×2300×2980
PYZ-12008-2610050-150110252805×2300×2980
PYD-12003-155018-10511025.62805×2300×2980
PYB-1750175025-60215280-480155-16050.63610×2950×4185
PYZ-175010-30185115-320155-160513610×2950×4185
PYD-17505-158575-230155-16050.53610×2950×4185
PYB-2200220030-60300590-1000260-280844790×3430×5080
PYZ-220010-30235200-580260-280854790×3430×5080
PYD-22005-16110120-370260-280854790×3430×4852

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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.

Under load, it withstands the reaction force generated by the crushing force; under no-load conditions, it withstands the reaction force caused by the weight of the moving cone and inertial forces. It ensures the stable operation of the moving cone. Therefore, the design and calculation of the spherical bearing can be based on the stability conditions of the moving cone and the specific bearing pressure.

Feed port size and maximum feed particle size: Matches the output of upstream equipment. Discharge port adjustment range: Determines the final product particle size. Main motor power: Reflects the crushing capacity and energy consumption level of the equipment. Maximum spring compression force: Reflects the equipment's overload protection capability and the hardness of materials it can handle. Overall weight and dimensions: Related to the installation site and foundation load-bearing requirements.

Feeding: Ensure uniform and continuous feeding, avoiding "overfilling" or "idling." The particle size of the material should meet the equipment requirements. Lubrication: Strictly follow the specifications for using the appropriate grade of lubricating oil. Regularly check the oil temperature, oil quality, and oil level, and clean or replace the filter element. Inspection: Check the spring condition, fastener tightness, equipment vibration, and noise level every shift. Cleaning: Keep the equipment clean and prevent dust from entering the lubrication system.

When uncrushable materials (such as iron blocks) enter the crushing chamber or when there is a severe overload, the crushing force acting on the moving cone exceeds the spring preload, forcing the moving cone to retract downwards, increasing the discharge opening, expelling foreign objects, or releasing pressure. After the foreign objects are discharged, the spring automatically resets the moving cone, thus protecting the main unit from damage.

Common causes include: Uneven spring pressure or damage to the springs. Uneven wear of the wear-resistant liners or reaching the end of their lifespan. Loose foundation fixing bolts. Uneven feeding or excessively large material pieces. Wear and tear on critical components such as bearings or gears.

This is mainly achieved by adjusting the adjusting sleeve below the top spring device. Rotating the adjusting sleeve clockwise raises the moving cone, reducing the discharge opening and resulting in finer output; conversely, rotating it counterclockwise increases the opening. After adjustment, it needs to be locked, and the pressure of the springs on both sides should be balanced.

The core wear-resistant parts include the moving cone liner, fixed cone liner, cup-shaped bearing, and copper sleeve. Their lifespan is related to the material hardness, abrasiveness, and operation and maintenance. Under normal circumstances, the liner lifespan can reach several hundred to several thousand hours. It is recommended to regularly check the wear condition and replace them in a timely manner according to changes in product particle size and production capacity.

Simple and reliable structure: The mechanical spring overload protection system reduces potential failure points and simplifies maintenance. Lower cost: Initial purchase and maintenance costs are typically lower than those of a hydraulic cone crusher of the same specifications. Stable Operation: Under stable operating conditions, the crushing efficiency is high, and the output particle size is uniform.

COMPREHENSIVE SERVICE & GENUINE SPARE PARTS

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

PY Series Spring Cone Crusher
PY Series Spring Cone Crusher
Professional Full-Lifecycle Technical Support

We deliver more than just parts; we provide comprehensive lifelong technical service. From initial crushing chamber optimization (Standard vs. Short Head) to on-site installation guidance, commissioning, routine maintenance training, and troubleshooting, our veteran engineering team is ready to help you optimize processes and achieve a lower cost-per-ton.

Service
Global Fast-Response & Ready-to-Ship Inventory

Recognizing that downtime equals lost revenue, we maintain a massive inventory of ready-to-ship parts for mainstream models including PY750, PY900, PY1200, PY1750, and PY2200. Supported by modern warehousing and an efficient global logistics network, we ensure rapid international shipping to deliver critical parts to your site swiftly, minimizing unplanned operational pauses.

Service
100% Genuine High-Manganese Steel Wear Parts

We offer a complete range of OEM spare parts for PY Spring Cone Crushers, including concaves (bowl liners) and mantles. Cast from premium high-manganese steel (Mn13Cr2, Mn18Cr2) and treated with a specialized heat process, these liners work-harden rapidly under severe impact. This significantly extends service life, minimizes downtime, and perfectly matches your crusher's specifications for maximum throughput.

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