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Is Your Primary Crushing Stage a Bottleneck for Your Entire Operation?

For plant managers and engineering contractors, the primary jaw crusher is the gatekeeper of your entire mineral processing circuit. When it fails, everything stops. You face three critical challenges:

1. Unplanned Downtime: A seized bearing or a cracked toggle plate can halt production for 1248 hours. At a throughput of 500 tons per hour, that represents $150,000 to $600,000 in lost revenue per incident.
2. Inconsistent Product Size: Oversized material (slabby or elongated) from a worn or poorly designed chamber reduces downstream cone crusher efficiency by 1520%, increasing recirculating loads and energy consumption.
3. High Wear Costs: Standard manganese liners in highabrasion applications (e.g., granite, basalt) often require replacement every 46 weeks, driving up consumables spend and labor costs for changeouts.

How can you achieve a consistent 68 inch minus product while maximizing uptime and minimizing cost per ton? The answer lies in a crusher engineered for sustained, highforce compression.

Product Overview: The JC5000 HeavyDuty Primary Jaw Crusher

The JC5000 is a singletoggle, overhead eccentric jaw crusher designed for the most demanding primary and secondary reduction applications in hard rock mining and largescale aggregate production.

Operational Workflow:
1. Feed: Runofmine (ROM) material up to 30 inches (762mm) is fed via a vibrating grizzly feeder into the crusher's large, flared feed opening.
2. Compression: The eccentric shaft rotates, driving the movable jaw plate in an elliptical path against the stationary jaw plate.
3. Crushing: Material is crushed through a combination of compression and shearing forces as it moves down the Vshaped chamber.
4. Discharge: Reduced material exits through the adjustable closed side setting (CSS) at the bottom of the chamber.
5. Takeaway: The crushed product is conveyed to a surge pile or directly to the secondary crushing stage.

Application Scope & Limitations:

• Scope: Ideal for primary crushing of hard and abrasive rock (granite, basalt, quartzite), ore (copper, gold, iron), and recycled concrete.
• Limitations: Not suitable for sticky, clayrich materials that can plug the chamber. Maximum feed size is strictly limited by the gape opening.

Core Features

HeavyDuty Eccentric Shaft Assembly | Technical Basis: Finite Element Analysis (FEA) optimized shaft with oversized spherical roller bearings | Operational Benefit: Absorbs peak crushing loads without fatigue failure, ensuring continuous operation under full choke feed conditions | ROI Impact: Reduces unplanned bearing replacement costs by up to 40% over standard designs.

DeepSymmetrical Crushing Chamber | Technical Basis: Optimized nip angle (2022 degrees) with a long, straight jaw profile | Operational Benefit: Reduces slabby product generation by 15% and ensures consistent product gradation across the wear life of the liners | ROI Impact: Lowers recirculating load on downstream screens and crushers, saving 58% in secondary circuit energy costs.

Hydraulic CSS Adjustment System | Technical Basis: Hydraulic cylinders with integrated position sensors for remote gap setting | Operational Benefit: Allows operators to adjust product size in under 5 minutes without shims or manual labor, compensating for jaw wear | ROI Impact: Eliminates 23 hours of downtime per adjustment, increasing annual operating hours by 5070 hours.

Reversible & Interchangeable Manganese Liners | Technical Basis: 18% manganese steel (Mn18Cr2) with a 4piece jaw die design | Operational Benefit: Liners can be rotated endforend and swapped between fixed and movable positions to maximize wear utilization | ROI Impact: Extends liner life by 2530%, reducing annual consumables spend by $12,000$18,000 per crusher.

Automatic Lubrication System | Technical Basis: Programmable grease distribution system with flow monitoring to all bearings and seals | Operational Benefit: Ensures consistent lubrication, preventing drystart failures and extending bearing life | ROI Impact: Reduces maintenance labor hours by 23 hours per week and prevents catastrophic bearing failure, saving $8,000$15,000 per incident.

Flywheel & Sheave Design | Technical Basis: Highinertia ductile iron flywheels with a Vbelt drive system | Operational Benefit: Stores kinetic energy to smooth out peak power demands, allowing the crusher to operate with a smaller, more efficient motor | ROI Impact: Reduces installed motor size by 1015%, lowering initial electrical infrastructure costs and ongoing power consumption.

Competitive Advantages

| Performance Metric | Industry Standard (42x48 Jaw) | JC5000 Solution | Advantage (% improvement) |
| : | : | : | : |
| Throughput (TPH) | 400 500 | 450 600 | +1520% |
| Closed Side Setting (CSS) Range | 4 8 inches | 3 9 inches | +25% range flexibility |
| Liner Life (Abrasive Rock) | 4,000 5,000 hours | 5,500 7,000 hours | +30% |
| CSS Adjustment Time | 30 60 minutes (manual) | 3 5 minutes (hydraulic) | 90% |
| Power Consumption (kWh/ton) | 0.35 0.45 | 0.30 0.38 | 12% |
| Mean Time Between Failures (MTBF) | 1,200 hours | 2,000 hours | +40% |

Technical Specifications

| Specification | Value |
| : | : |
| Model | JC5000 |
| Feed Opening (W x L) | 32" x 50" (813mm x 1270mm) |
| Max Feed Size | 24" (610mm) |
| Capacity Range | 350 600 TPH (depending on CSS and material) |
| Closed Side Setting (CSS) Range | 3" 9" (75mm 225mm) |
| Recommended Motor Power | 200 250 HP (150 185 kW) |
| Eccentric Shaft Speed | 250 300 RPM |
| Crusher Weight (approx.) | 85,000 lbs (38,555 kg) |
| Overall Dimensions (L x W x H) | 15' 6" x 8' 2" x 10' 4" (4.7m x 2.5m x 3.15m) |
| Operating Temperature Range | 20°F to 120°F (29°C to 49°C) |
| Lubrication Type | Automatic Grease System |

Application Scenarios

Hard Rock Quarry (Granite) | Challenge: A quarry in Georgia was experiencing 18% slabby product, causing excessive wear on their cone crusher mantle and bowl liners. | Solution: Replaced their 30yearold jaw crusher with a JC5000, set at a 5inch CSS. The deep chamber geometry reduced slab generation. | Results: Slabby product dropped to 4%. Cone crusher liner life increased by 35%. Annual recirculating load was reduced by 12,000 tons, saving $45,000 in energy and wear costs.

Copper Mine (Secondary Reduction) | Challenge: A mine in Chile needed to reduce ROM ore from 24 inches to 6 inches before the SAG mill, but their existing crusher was a bottleneck, causing mill feed fluctuations. | Solution: Installed a JC5000 with the hydraulic CSS system to allow for quick adjustments based on ore hardness. | Results: Mill feed consistency improved by 90%. The ability to adjust CSS in 4 minutes allowed operators to optimize throughput by 8%, increasing annual mill throughput by 150,000 tons.

Concrete Recycling | Challenge: A contractor in Texas was struggling with rebar wrapping and jamming in their standard jaw crusher, causing 34 hours of downtime per week. | Solution: Implemented a JC5000 with a hightensile steel toggle plate and a hydraulic relief system. | Results: Jamming incidents reduced by 80%. The hydraulic relief system cleared noncrushable material in under 2 minutes. Weekly downtime dropped to 30 minutes, increasing revenue by $4,000 per week.

Commercial Considerations



• Equipment Pricing Tiers:

Standard Package: Crusher base unit, motor, Vbelt drive, standard manganese liners. (Approx. $180,000 $220,000)
Advanced Package: Includes hydraulic CSS system, automatic lubrication, and premium Mn18Cr2 liners. (Approx. $230,000 $270,000)
Turnkey Package: Crusher, motor, lubrication, hydraulic system, control panel, and installation supervision. (Approx. $280,000 $320,000)

• Optional Features:

Wireless Remote Control: For hydraulic CSS and relief system.
Oil Cooling System: For highambient temperature environments.
Custom Manganese Profiles: For specific feed gradation requirements.

• Service Packages:

Standard Warranty: 12 months or 2,000 operating hours.
Extended Warranty: 24 months or 4,000 operating hours.
Preventive Maintenance Contract: Quarterly inspections, lubrication audits, and wear liner forecasting.

• Financing Options:

LeasetoOwn: 3660 month terms with a $1 buyout.
Equipment Loan: Fixedrate financing for qualified buyers.
TradeIn Program: Accepting older jaw crushers for credit toward a JC5000.

FAQ

1. Can the JC5000 handle feed material with high moisture or clay content?
No. The JC5000 is designed for dry to moderately moist, freeflowing material. High clay content can cause plugging in the crushing chamber. For sticky materials, a grizzly feeder with a bypass chute is recommended.

2. What is the expected lifespan of the main frame?
The main frame is constructed from stressrelieved, heavyduty steel plate. Under normal operating conditions, the frame is designed for a 20+ year service life. FEA analysis confirms it can withstand 200% of the rated crushing load.

3. How does the hydraulic CSS system improve operational efficiency?
It eliminates manual shim adjustments. Your operators can change the product size from a control panel in under 5 minutes, allowing for rapid response to changes in feed material or market demand for different aggregate sizes.

4. What is the lead time for replacement manganese liners?
Standard liners are typically in stock and can be shipped within 57 business days. Custom profile liners require a 46 week lead time. We recommend keeping a spare set on site to minimize downtime during changeouts.

5. Can the JC5000 be integrated with an existing plant control system?
Yes. The crusher is equipped with standard I/O for remote start/stop, motor current monitoring, and bearing temperature sensors. It can be integrated with any major PLC platform (AllenBradley, Siemens, etc.) via Modbus or Profibus.

6. What is the power requirement for the JC5000?
The recommended motor is 200250 HP (150185 kW) at 1800 RPM. A Vbelt drive is standard. The electrical supply should be 480V, 3phase, 60Hz (or equivalent international standard).

7. What financing options are available for a JC5000 purchase?
We offer leasetoown programs with terms from 36 to 60 months, as well as traditional equipment loans. A tradein evaluation for your existing crusher can also be arranged to reduce your upfront capital expenditure.