1. PAINPOINT DRIVEN OPENING

Are unpredictable equipment failures and inconsistent output crippling your aggregate production schedule? For plant managers and engineering contractors, the core challenges in primary crushing operations directly impact profitability and project timelines. Common pain points include:

Excessive Downtime for Maintenance: Frequent liner changes and unplanned repairs halt your entire processing line, costing thousands per hour in lost production and idle labor.
Inconsistent Feed Size Reduction: Variable geology leads to uneven wear on crushing components, causing product gradation to drift outside specification, resulting in wasted material and rejected loads.
High Operational Costs: Skyrocketing energy consumption from inefficient crushing action, combined with the high cost of replacement parts like mantles and concaves, erodes your margin.
Limited Feed Flexibility: The inability to handle a range of feed materials—from abrasive granite to sticky limestone—forces operational compromises or requires supplemental preprocessing.

Is your current primary crusher a constant source of reactive maintenance rather than a reliable foundation for your plant? The solution begins with strategic equipment selection focused on total cost of ownership.

2. PRODUCT OVERVIEW: PRIMARY JAW CRUSHER

A Primary Jaw Crusher is a heavyduty, compressive force machine designed for the first stage of size reduction in quarrying, mining, and demolition recycling operations. It processes runofmine or runofquarry material (ROM) to a consistent, conveyable size for secondary crushing.

Operational Workflow:
1. Feed Intake: Large raw material (up to 80% of the crusher feed opening) is loaded into the vibrating grizzly feeder (VGF), which bypasses fines directly to a conveyor.
2. Compressive Crushing: Oversize material enters the crushing chamber where a reciprocating manganese jaw plate (moving jaw) exerts immense force against a fixed jaw plate, fracturing the rock.
3. Discharge Setting Adjustment: The crushed product size is determined by the closedside setting (CSS), adjustable mechanically or hydraulically, allowing for quick changes to meet different product specifications.

Application Scope & Limitations:
Scope: Ideal for hard, abrasive materials (granite, basalt). Suited for stationary plants and semimobile setups. Effective in both hightonnage quarrying and smallerscale contract crushing.
Limitations: Not optimal for soft, nonabrasive materials where an impact crusher may be more efficient. Requires a stable foundation due to significant vibration. Maximum reduction ratio is typically around 6:1 to 8:1.

3. CORE FEATURES

Deep Crushing Chamber & Optimized Kinematics | Technical Basis: Increased nip angle and longer linear crushing stroke | Operational Benefit: Enables higher capacity per stroke and more effective size reduction in a single pass | ROI Impact: Reduces load on secondary circuit, lowering overall plant energy consumption by an estimated 812%

HeavyDuty Roller Bearing Design | Technical Basis: Spherical selfaligning roller bearings on the eccentric shaft | Operational Benefit: Handles high radial and thrust loads with greater reliability than traditional bushing designs | ROI Impact: Extends bearing service life by up to 30%, reducing part replacement frequency and associated downtime costs

Hydraulic Toggle Adjustment System | Technical Basis: Replaceable hydraulic cylinders for tensioning and adjustment | Operational Benefit: Allows remote adjustment of the CSS for quick product size changes and provides automated overload protection by releasing under uncrushable material | ROI Impact: Cuts setting change time from hours to minutes, increasing operational flexibility and protecting major components from catastrophic failure

Bolted & WedgeLocked Jaw Dies | Technical Basis: Modular die design secured with mechanical wedges and bolts | Operational Benefit: Simplifies liner replacement; operators can reverse or replace dies without specialized lifting equipment in many cases | ROI Impact: Reduces planned maintenance downtime for liner changes by approximately 40%, directly increasing annual available production hours

Integrated Motor Base & Belt Drive | Technical Basis: Unified base frame housing crusher, motor, and drive guards | Operational Benefit: Eliminates complex alignment procedures during installation or after maintenance; ensures consistent Vbelt tension | ROI Impact: Reduces installation time by up to two days and minimizes risk of premature drive failure

4. COMPETITIVE ADVANTAGES

| Performance Metric | Industry Standard | Primary Jaw Crusher Solution | Advantage (% Improvement) |
| : | : | : | : |
| Availability (Uptime) | ~8588% (Scheduled & Unscheduled Downtime) |> 92% Demonstrated Availability| +57% More Production Time |
| Manganese Wear Life (Abrasive Granite) | 120,000 150,000 tons |> 180,000 tons Documented Life| +2025% Longer Service Intervals |
| Energy Efficiency (kWh/ton) Varies by Material| Baseline = 100% |> 93% Relative Consumption| ~7% Reduction in Operating Cost |
| Throughput Capacity (tph at given CSS) Manufacturer Rated |> Manufacturer Rated Capacity| Field Data Shows Consistent at >95% of Rated| Higher Realized Output vs Claim |

5. TECHNICAL SPECIFICATIONS

Model Reference: JC130
Feed Opening: 59" x 51" (1500mm x 1300mm)
Maximum Feed Size: Up to 47" (1200mm) edge length
Closed Side Setting Range: 6" 12" (150mm 300mm)
Capacity Range: 450 950 Short Tons Per Hour (stph), dependent on CSS and material characteristics.
Drive Power Requirement: 250 HP / 185 kW electric motor standard.
Total Weight (Crusher Only): Approximately 98，000 lbs 44，500 kg).
Key Material Specifications: Fabricated steel main frame with stressrelieved design; Austenitic manganese steel jaw dies; Forged alloy steel eccentric shaft.
Operating Temperature Range: 20°C to +40°C (4°F to 104°F).

6. APPLICATION SCENARIOS

Granite Quarry Expansion | Challenge:Aging jaw crusher required weekly maintenance checks was bottlenecking plant expansion plans with unreliable throughput.| Solution:The JC130 Primary Jaw Crusher was installed as the new frontline unit，with hydraulic toggle system for quick adjustments.| Results:Demonstrated average throughput sustained at 890 stph.Availability reached 94% in first year，supporting a 22% increase in total plant output.Maintenance intervals extended from weekly to biweekly checks.

Urban Construction & Demolition Recycling Hub Challenge Processing mixed C&D debris containing rebar caused frequent jams accelerated wear on previous crusher.Solution Implementation of a Primary Jaw Crusher equipped with an automatic overload protection system reinforced jaw die profiles designed for recycling applications Results Uncrushable material is cleared automatically in under seconds virtually eliminating jamrelated downtime Product consistency improved allowing highervalue aggregate sales Wear part cost per ton reduced by 18%

Portable Contract Crushing Fleet Challenge Need for rapid setup/teardown between job sites while maintaining high durability across varying geologies Solution Deployment of trackmounted primary jaw crushers featuring integrated hydraulic setting adjustment folding conveyors Results Site mobilization time reduced from days to under hours Hydraulic CSS adjustment allows single operator to finetune product for different client specs within minutes

7 COMMERCIAL CONSIDERATIONS

Equipment pricing tiers are typically structured around feed opening size capacity Options range from standard configurations suitable for most quarries up through heavyduty packages featuring enhanced wear liners onboard automation sensors Service packages are critical considerations including Proactive plans covering scheduled inspections parts discounts Reactive plans offering guaranteed response times Financing options such as capital lease operating lease or rentaltoown structures provide flexibility aligning payment schedules with cash flow from project revenue Optional features that impact final cost include automated lubrication systems dust suppression integration advanced motor starters telematics packages

8 FAQ

What type of feeder works best with this Primary Jaw Crusher A heavyduty vibrating grizzly feeder VGF is recommended It scalps fines ahead of the crusher improving efficiency protects the chamber from excessive fines

Can this crusher handle recycled concrete with embedded rebar Yes models equipped with hydraulic toggle overload protection are designed specifically for this application The system will release allow uncrushable material like rebar tramp metal pass then reset automatically

How does hydraulic adjustment compare mechanical adjustment Hydraulic systems allow remote safe adjustments often while running reducing downtime Mechanical systems require manual intervention are more timeconsuming but have lower initial cost

What financing structures are available Commercial buyers can access capital leases which may offer tax benefits operating leases preserving capital lines credit rentto own agreements ideal shortterm projects Direct purchase remains option established operations

What key metrics should I use evaluate total cost ownership Focus on cost per ton produced which factors initial price energy consumption wear part life expected availability support costs over projected service life