PYB900 Spring Cone Crusher
I. Overview: What is the PYB900 Spring Cone Crusher?
For medium-crushing requirements with an hourly output of 50–90 tons, the PYB900 spring cone crusher offers a mature solution that balances investment costs with operational reliability. As the "Standard" model in the spring cone crusher series, it utilizes the principle of inter-particle (lamination) crushing and features a spring-based overload protection mechanism. It has a crushing cone base diameter of 900 mm and accepts feed sizes up to 115 mm, with a discharge size flexibly adjustable between 15 mm and 50 mm. It is widely used for the medium-crushing stage of materials with medium-to-high hardness, such as granite, basalt, iron ore, and copper ore.
If your production line uses a jaw crusher for primary crushing and requires a secondary crushing unit that is "rugged, easy to maintain, and cost-effective," the PYB900 spring cone crusher is an optimal choice. Its initial investment cost is 30%–40% lower than that of hydraulic cone crushers, yet its crushing ratio, product shape, and overload protection capabilities fully meet the requirements of standard aggregate production and mineral processing workflows.
Secondary Crushing Equipment
II. Application Scenarios
The PYB900 spring cone crusher is suitable for the following typical operating conditions:
• Medium Crushing in Aggregate Production Lines: Paired with a jaw crusher, it performs secondary crushing of granite, basalt, and andesite, providing qualified 15–50 mm feed material for subsequent sand making or screening.
• Secondary Crushing in Metal Ore Processing Plants: It bridges primary crushing and grinding stages in iron, copper, and gold ore processing, reducing feed size for the mill and significantly lowering ball mill energy consumption.
• Fixed and Semi-mobile Production Lines: It can be installed in fixed crushing stations or mounted on mobile chassis to accommodate the relocation of mining sites.
• Building Materials and Chemical Raw Material Processing: Medium crushing of medium-hardness materials such as limestone, dolomite, and quartzite.
Selection Tip: When processing highly abrasive hard rock (e.g., granite with high quartz content), it is recommended to use the crusher in a closed-circuit configuration with a screen, returning oversized material to the cone crusher to ensure stable product gradation.
III. Core Specifications Table
| Parameter | PYB900 (Standard Type) | Remarks |
|---|---|---|
| Crushing cone large-end diameter | 900 mm | Standard type; for secondary crushing |
| Feed size | ≤115 mm | Must match the discharge from the primary jaw crusher |
| Discharge opening adjustment range | 15–50 mm | Mechanical adjustment |
| Processing capacity | 50–90 t/h | Based on medium-hard material with a bulk density of 1.6 t/m³ |
| Main shaft speed | Approx. 333 r/min | Interparticle (lamination) crushing; good particle shape |
| Motor power | 60 kW | Optional 55–60 kW configuration |
| Machine weight | Approx. 11.2 t | Including motor |
| Overall dimensions (L×W×H) | 1990×1640×2380 mm | Maintenance clearance required |
Note: Capacity figures are nominal; actual output depends on material hardness, moisture content, and circuit configuration (open vs. closed). The PYZ900 (Medium-head) and PYD900 (Short-head) models in the same series cater to finer discharge requirements, covering fine crushing applications in the 3–20 mm range.
IV. Equipment Advantages
1. Spring-based overload protection ensures greater safety for the main unit.
When uncrushable material (such as iron) enters the crushing chamber, the spring assembly automatically yields to allow the foreign object to pass before resetting. This prevents damage to the main shaft and drive components—a key reliability advantage of spring cone crushers over impact crushers.
2. Interparticle (lamination) crushing yields good particle shape with minimal flaky or elongated particles.
Material undergoes multi-layer compression within the crushing chamber, resulting in a highly cubical product that meets strict aggregate shape standards for concrete and asphalt applications.
3. Simple structure and low maintenance costs.
Unlike hydraulic cone crushers, spring cone crushers lack complex hydraulic systems, making operation and maintenance straightforward. High spare part interchangeability makes them ideal for customers with limited on-site maintenance capabilities.
4. Thin-oil lubrication combined with effective sealing ensures durability in dusty operating environments
Adual-seal structure prevents dust from entering the lubrication system, extending the service life of bronze bushings and gears, making it suitable for the high-dust environments of open-pit mines.
5. Clear return on investment.
Taking a 50–90 t/h production line as an example, the initial investment for this machine is approximately 60%–70% of that for a hydraulic cone crusher. When paired with a closed-circuit screening system, it offers a significant advantage in Total Cost of Ownership (TCO) over a 3–5 year lifecycle.
6. Customizable electrical specifications.
It can be equipped with customized motors and control systems (supporting 60Hz/380V/400V/440V) to match the perse power grid standards of regions such as Latin America, the Middle East, Africa, and Southeast Asia. This allows for immediate use upon arrival at overseas project sites, reducing the time required for on-site modification and commissioning.
PYB900 Pebble Crushing Production Line Site in the Philippines
V. Typical Application Cases
Case 1: Granite aggregate production line in Southeast Asia (80–100 t/h capacity). Configuration: PE600×900 jaw crusher (primary stage) + PYB900 spring cone crusher (secondary stage) + circular vibrating screen (closed-circuit). Feed size ≤500mm; discharge setting 25–40mm; closed-circuit circulation yields four aggregate grades: 0–5mm, 5–10mm, 10–20mm, and 20–31.5mm. Site feedback: High continuous operation rate; stable service life for wear parts (bronze bushings, springs, etc.); power consumption approximately 0.8–1.2 kWh per ton.
Case 2: Secondary crushing stage at a copper mine processing plant in South America. Configuration: Primary jaw crusher + PYB900 + ball mill. The machine reduces the feed size for the ball mill from 120mm to approximately 25mm, increasing the ball mill's hourly throughput by about 15% and simultaneously reducing power consumption in the grinding stage. The customer chose the spring cone crusher primarily due to unstable on-site power supply; the spring-based structure offers better tolerance to voltage fluctuations compared to hydraulic systems. (The above represents a typical configuration example; specific parameters depend on actual on-site operating conditions.)
VI. Recommended Auxiliary Equipment
The PYB900 spring cone crusher typically serves as the secondary crushing stage in a production line. The following configuration is recommended (internal links are placeholders; please refer to the official website for actual paths):
• Primary Crushing: PE Series Jaw Crusher (e.g., PE600×900, PE750×1060)
• Feeding: ZSW Series Vibrating Feeder
• Screening: YK Series Circular Vibrating Screen or Linear Vibrating Screen (for closed-circuit material return)
• Tertiary Sand Making/Fine Crushing: VSI Sand Making Machine or Vertical Compound Crusher (PFL Series)
Upgrade Option: For large-scale production lines or high automation requirements, consider the CS Series or HP Series hydraulic cone crushers.
VII. FAQ
Q1: What are the differences between the PYB900, PYZ900, and PYD900?
All three belong to the PY Series 900-model spring cone crusher family, differing primarily in crushing chamber design: PYB is the Standard type (medium crushing; feed size ≤115mm, discharge 15–50mm); PYZ is the Medium type (medium-fine crushing; feed size ≤70mm, discharge 5–20mm); and PYD is the Short-head type (fine crushing; feed size ≤50mm, discharge 3–13mm). Choose PYB if a coarser discharge is required from the initial stage; choose PYZ or PYD if a finer output is needed in a single pass.
Q2: How do I choose between a spring cone crusher and a hydraulic cone crusher?
The decision depends primarily on budget and operating conditions: Spring cone crushers require 30%–40% less initial investment, feature a simple structure, and are easy to maintain—making them ideal for small-to-medium capacity operations or mines with limited maintenance capabilities. Hydraulic cone crushers offer easy adjustment, high automation, and higher maximum capacity, making them suitable for large-scale, continuous production. For medium-crushing applications with an hourly output of under 90 tons, the spring cone crusher is often the more economical choice.
| Comparison Dimension | Spring Cone Crusher (PYB900) | Hydraulic Cone Crusher (CS/HP Series) |
|---|---|---|
| Initial Investment | 30–40% lower | Higher |
| Overload Protection | Spring-based release and auto-reset | Hydraulic accumulator protection |
| Discharge Setting Adjustment | Mechanical adjustment | One-touch hydraulic adjustment |
| Automation Level | Basic; simple maintenance | High; PLC control available |
| Application Scenario | Small-to-medium capacity; unstable power supply | Large-scale continuous production |
Q3: With a nominal capacity of 50–90 t/h, what is the actual achievable capacity?
Nominal capacity is calculated based on medium-hard material (bulk density 1.6 t/m³) in an open-circuit configuration; actual output depends on material hardness, moisture content, and feed continuity. For hard granite in a closed-circuit setup, output typically stabilizes at 60–75 t/h, while soft limestone in an open-circuit setup can exceed 85 t/h. We recommend allowing a margin of 20–30% below nominal capacity during selection and scaling up screening capacity accordingly to avoid bottlenecks.
VIII. Summary
With its mature design, reliable overload protection, and low operating and maintenance costs, the PYB900 spring cone crusher stands as the benchmark choice for medium-crushing applications in the 50–90 t/h range. Whether for sand and gravel aggregates, metal ore beneficiation, or building material processing, it delivers consistent product particle shapes with a low Total Cost of Ownership (TCO). Baichen Heavy Industry offers complete production line solutions—covering everything from feeding and primary/secondary crushing to screening—as well as equipment selection calculations; please provide your material specifications and capacity requirements to receive a customized configuration.
Baichy Heavy Industry
Baichy Heavy Industry is a high-tech mining equipment company integrating R&D, manufacturing, sales, and after-sales service. Focusing on crushing, grinding, and mineral processing equipment, we provide professional solutions to our customers. We are ISO9001:2015 、certified, and our products include mobile crushing palnts, crawler crushing plant, construction waste crushing plants, jaw crushers, sand making machines, cone crushers, fine crushers, grinding mills, ball mills, etc., all with reliable performance to meet diverse project needs.
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Our complete after-sales service system guarantees long-term, stable operation of your machinery with minimal downtime.
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