Targeting Plant Managers, Procurement Specialists, and Engineering Contractors

1. PAINPOINT DRIVEN OPENING

Managing a crushing and screening operation means contending with persistent challenges that directly erode profitability. Are you facing:
Excessive Downtime for Maintenance: Frequent liner changes, bearing failures, and component wear halting production for hours, costing thousands in lost throughput per event.
Inconsistent Product Gradation: Fluctuations in final product size leading to rejected loads, contract penalties, and the need for reprocessing material.
Rising Operational Costs: Uncontrolled spending on energy consumption, replacement parts, and labor for unplanned repairs.
Rigid Plant Configuration: Inability to efficiently adapt your flow to changing feed material or market demands for different aggregate products.
Component Compatibility Issues: Mixing OEM parts from different crusher and screen manufacturers leading to suboptimal performance and accelerated wear.

The central question is: how can you achieve predictable throughput, tighter control over product specs, and lower costperton without compromising on durability? The specification of your core equipment is the determining factor.

2. PRODUCT OVERVIEW: PRIMARY JAW CRUSHER

A Primary Jaw Crusher is a heavyduty compressiontype crusher designed as the first stage in a mineral processing or aggregate production circuit. It reduces large runofmine or quarryrun rock (typically up to 1meter in size) to a manageable diameter for downstream processing.

Operational Workflow:
1. Feed Intake: Large dump trucks or loaders deposit raw material into the vibrating grizzly feeder (VGF) section, which scalps off fine material bypassing the crusher.
2. Compression Crushing: The VGF directs oversized rock into the crushing chamber where a fixed jaw and a reciprocating moving jaw create a narrowing "V." Material is crushed by the progressive compression cycles as it moves down the chamber.
3. Discharge Setting Adjustment: The crushed product exits at the bottom opening. The size of this discharge setting is hydraulically or mechanically adjustable to control the top size of the output product.

Application Scope & Limitations:
Scope: Ideal for hightonnage primary reduction of hard rock (granite, basalt), abrasive materials, and recycled concrete. Serves as the foundational capacity point for stationary and portable plants.
Limitations: Not suitable for sticky, plastic clays that can chamber; less efficient on lowabrasive, soft limestone compared to an impactor; generates more fines than gyratory crushers at similar settings.

3. CORE FEATURES

HeavyDuty Welded Frame | Technical Basis: Finite Element Analysis (FEA) optimized stress distribution | Operational Benefit: Eliminates frame fatigue cracking under cyclical loading, ensuring longterm structural integrity in 24/7 operations | ROI Impact: Eliminates risk of catastrophic frame failure and associated monthslong replacement downtime.

Hydraulic Toggle Adjustment System | Technical Basis: Dualacting hydraulic cylinders replace traditional manual toggle plates | Operational Benefit: Allows remote adjustment of crusher setting in minutes for product size changes and clearing of stall events | ROI Impact: Reduces downtime for adjustments by over 80%, increases plant flexibility and safety.

Aggressive DeepToothed Jaw Dies | Technical Basis: Highstrength manganese steel castings with optimized nip angle and tooth profile | Operational Benefit: Promotes positive bite on slabby material, reduces slippage, and improves firstpass reduction ratio | ROI Impact: Increases throughput capacity by 515% depending on material, lowering costperton.

Spherical Roller Bearings & Labyrinth Seals | Technical Basis: Oversized bearings rated for heavy radial and thrust loads with multistage sealing | Operational Benefit: Handles peak loads from uncrushables; effectively excludes dust and contaminants from bearing housing | ROI Impact: Extends bearing service life by 3050%, drastically reducing a primary cause of unplanned stoppages.

Integrated Motor Base & Belt Guard | Technical Basis: Unified fabrication eliminating separate motor mounts; fully enclosed belt guarding | Operational Benefit: Perfect drive alignment reduces Vbelt wear; compliant guarding improves site safety audit results | ROI Impact: Reduces maintenance time on drive components; mitigates regulatory shutdown risks.

4. COMPETITIVE ADVANTANCES

| Performance Metric | Industry Standard | Our Primary Jaw Crusher Solution | Advantage |
| : | : | : | : |
| Availability (Uptime) | 9294% | >96% (documented) | +24% Uptime |
| Manganese Wear Life (Abrasive Granite) | ~450,000 MTON | 520,000 550,000 MTON (field data) | +1522% Longer Life |
| Power Consumption per Ton Crushed| Baseline (100%)| Optimized chamber geometry reduces draw by ~5%| 5% Energy Cost |
| Time for CSS Adjustment / Clearing| 6090 minutes (manual)| <10 minutes (hydraulic)| 85% Adjustment Downtime|
| Bearing L10 Life Rating| Standard duty cycle rating| Rated for +30% higher load cycles under FEA validation| +30% Theoretical Life |

5. TECHNICAL SPECIFICATIONS

Model Reference: PJ3648
Feed Opening: 36" x 48" (914mm x 1219mm)
Maximum Feed Size: 32" (813mm) lump
Closed Side Setting (CSS) Range: 4" 10" (100mm 250mm)
Capacity Range (@ CSS): 290 790 STPH (263 717 MTPH), dependent on material type & crushing curve.
Drive Power Requirement: 150 HP /200 HP electric motor (112kW /149kW).
Total Weight (Crusher Only): ~106,000 lbs (~48,000 kg)
Key Material Specifications:
Frame Construction: Hightensile steel plate ASTM A572 Grade50
Jaw Dies: Premium Manganese Steel ASTM A128 Grade BH
Shaft Forging: Alloy Steel ASTM A668 Class E
Side Liners/Cheek Plates： AR400 AbrasionResistant Steel
Operating Environment Range: Designed for ambient temperatures from 25°C to +45°C (13°F to +113°F). Sealed components rated for highdust environments.

6. APPLICATION SCENARIOS

Hard Rock Quarrying – Granite Aggregate Production

Challenge: A granite quarry faced declining profit margins due to high wear part costs on their primary crusher (~400k MTON/jaw set) and excessive energy draw during peak summer loads.
Solution: Implementation of our PJ3648 Primary Jaw Crusher with deeptooth jaw dies design optimized for granite's fracturing characteristics.
Results: Wear life extended to an average of $28k MTON per jaw set—a direct $18k cost saving per changeout cycle. Recorded power draw reduced by an average of $7%, translating to approximately $12k annual energy savings at their tonnage rate.

LargeScale C&D Recycling Operation

Challenge: An urban recycling plant experienced frequent jams from rebarreinforced concrete slabs causing fullline stoppages. Manual clearing was dangerous and took over two hours per event.
Solution: Installation of our PJ3042 Primary Jaw Crusher equipped with a hydraulic toggle system capable of reversing tramp iron release function.
Results: Jams from uncrushable rebar mats are now cleared remotely in under five minutes using the hydraulic toggle reversal cycle. This change eliminated an average of $40 hours/year of highrisk downtime directly attributed to stall events.

7.COMMERCIAL CONSIDERATIONS

Our private label fabrication model provides flexibility tailored to project scale:

Pricing Tiers & Structure:

1. Base Equipment Package:
Includes crusher assembly with standard manganese jaws,motor base,belt guards,and lubrication system.Priced as capital expenditure with standard commercial terms.

2.Optional Feature Upgrades:
Hydraulic adjustment system package(highly recommended).
Automated grease lubrication system .
Wear monitoring sensor packages(liner thickness,bearing temperature).
Dust suppression spray bar integration kit .

3.Service & Support Packages:
Commissioning & Operator Training(onsite).
Planned Maintenance Inspections(annual contract).
Wear Parts Kits Subscription(bulk pricing with guaranteed inventory).

Financing Options:
We work with thirdparty equipment finance partners to offer leasetoown structures,tailored rentalpurchase agreements,and standard commercial loans typically ranging from $6$8 years term based on credit approval.This allows preservation of capital lines while deploying upgraded equipment immediately .

8.FREQUENTLY ASKED QUESTIONS

Q1.Are your jaw crushers compatible with my existing plant structure/vibrating feeder?
Our engineering team provides interface drawings prior to fabrication.Crushers are built to industrystandard mounting footprints.We can modify discharge heights/support structures if required during quotation .

Q2.What is lead time from order placement?
For standard models like PJ3648 lead time averages $14$18 weeks including fabrication assembly testing paint .Expedited options may be available .

Q3.How does private label branding work?
We fabricate test paint ship equipment under your specified brand name nameplate .All documentation manuals bear your branding .We remain your confidential manufacturing partner .

Q4.What warranty coverage do you provide?
Standard warranty covers workmanship materials against defect for $24 months/4000 operating hours whichever comes first .Extended warranty options available covering major components up five years .

Q5.Can you supply complete crushing spreads screens conveyors ?
Yes.As private label fabricator we provide full circuit design manufacture integration services including primary secondary tertiary crushers screens conveyors transfer structures electrical controls .

Q6.Do you offer performance guarantees?
Yes.We provide guaranteed minimum throughput capacity based your specific feed material sample testing prior order confirmation.Guarantees cover mechanical performance not sitespecific operational outcomes .

Q7.What technical support is available after installation?
Support includes detailed installation manual video conference during commissioning lifetime access technical drawings bill materials unlimited phone email support during business hours field service dispatch available under separate service agreement .