1. PAINPOINT DRIVEN OPENING

Are escalating operational costs and unpredictable downtime eroding your aggregate production margins? For plant managers and engineering contractors, the core challenges in primary crushing often stem from the crusher itself. Common pain points include:

Excessive Wear Part Consumption: Frequent replacement of manganese jaws or liners leads to high consumable costs and laborintensive maintenance windows, directly impacting your costperton.
Unplanned Stoppages Due to Tramp Metal: Unseen rebar or digger teeth causing catastrophic damage to the crusher pitman and bearings, resulting in days of lost production and expensive repairs.
Inconsistent Product Gradation: Fluctuations in feed size or hardness creating an offspec product, causing bottlenecks in secondary circuits and rejected loads.
High Energy Costs per Ton: Older, inefficient drive systems and poor chamber designs consuming excessive power without proportional output gains.
Lengthy Setup & Adjustment Times: Manual adjustment systems for discharge settings that require downtime, trial runs, and readjustment to achieve target product size.

The central question is: how can you achieve predictable throughput with lower operating costs and greater reliability? The solution lies in a fundamentally robust and intelligently engineered primary crusher.

2. PRODUCT OVERVIEW

The ODM HeavyDuty Jaw Crusher is engineered as a highcapacity primary crushing solution for hard rock, such as granite, basalt, and abrasive ores. It is designed for stationary plant installation or heavyduty mobile tracked setups.

Operational Workflow:
1. Feed Intake: Runofmine (ROM) material is delivered via dump truck or wheel loader into the vibrating grizzly feeder (VGF), which scalps fines and directs oversize to the crusher.
2. Primary Reduction: Material enters the deep, nonchoking crushing chamber where the oscillating manganese jaw exerts massive compressive force against the fixed jaw, breaking rock along its natural cleavage lines.
3. Discharge & Conveyance: Crushed material exits at the bottom discharge opening (CSS) onto the main product conveyor for transport to downstream processing stages.

Application Scope & Limitations:
Scope: Ideal for primary crushing of all hard, abrasive natural stones and mineral ores. Suitable for largescale quarrying, mining operations, and major construction aggregate plants requiring consistent feed sizes up to 1200mm.
Limitations: Not designed for recycling mixed C&D waste with high ferrous contamination without prior magnetic separation. Requires a prepared feed system (e.g., VGF) for optimal performance. Maximum compressive strength of material should not exceed design specifications.

3. CORE FEATURES

Deep Crushing Chamber | Technical Basis: Optimized nip angle and long linear stroke | Operational Benefit: Promotes rockonrock particle breakage in the upper chamber, reducing wear on lower sections and increasing throughput capacity | ROI Impact: Up to 15% higher throughput per kWh compared to shallowchamber designs; extends liner life cycle.

HeavyDuty Welded Frame | Technical Basis: Finite Element Analysis (FEA)optimized stress distribution using highyield steel plate | Operational Benefit: Provides exceptional fatigue resistance under cyclical loading; eliminates frame flexing that accelerates bearing wear | ROI Impact: Ensures structural integrity over a 20+ year service life; reduces risk of catastrophic frame failure.

Hydraulic Toggle & Adjustment System | Technical Basis: Dualacting hydraulic cylinders replace traditional mechanical toggle plates | Operational Benefit: Enables remote adjustment of CSS during operation for quick product size changes; provides automatic overload protection by releasing uncrushables | ROI Impact: Reduces CSS adjustment time from hours to minutes; prevents downtime from tramp iron events by protecting major components.

Premium Manganese Jaws with Interchangeable Profiles | Technical Basis: Isotropic alloy steel with workhardening properties upon impact | Operational Benefit: Jaw profiles can be rotated or exchanged topforbottom to utilize metal more fully before replacement; multiple tooth profiles available for material type | ROI Impact: Achieves up to 30% more usable wear life per set; reduces inventory needs with interchangeable parts.

HighInertia Flywheels & Robust Eccentric Shaft | Technical Basis: Precisely calculated rotational mass to maintain momentum through the crushing cycle | Operational Benefit: Smoothes peak power demands, ensuring consistent crushing force even under variable loading conditions; reduces cyclic shock on drive motor | ROI Impact: Lowers peak current draw (kVA demand), reducing energy tariffs; extends Vbelt and bearing service life.

Centralized Greasing Point & Accessible Service Platforms | Technical Basis: Labyrinth seal protection with automated grease distribution channels | Operational Benefit: Allows safe, rapid daily maintenance from groundlevel platforms without special access equipment; ensures critical bearings receive proper lubrication | ROI Impact: Standardizes preventive maintenance routines; improves bearing lifespan by an average of 25%; enhances technician safety.

4. COMPETITIVE ADVANTAGES

| Performance Metric | Industry Standard Benchmark | ODM Jaw Crusher Solution | Documented Advantage |
| : | : | : | : |
| Wear Part Cost per Ton (Hard Abrasive Rock) | $0.85 $1.10 / ton crushed output| $0.62 $0.78 / ton crushed output| ~25% reduction |
| Mean Time Between Failure (Major Components) | ~4,500 operating hours| >6,500 operating hours| >44% improvement |
| Energy Consumption (kW per Ton of Output)~125mm CSS~125mm CSS~125mm CSS~125mm CSS~125mm CSS~125mm CSS~125mm CSS~125mm CSS~125mm CSS~125mm CSS~125mm CSS~125mm CSS~125mm CSS~125mm CSSCSS)| 1.8 2.2 kWh/tonne| 1.5 1.7 kWh/tonne| ~18% improvement |
| Discharge Setting Adjustment Time (Mechanical vs Hydraulic)| 60 90 minutes (cold)| <10 minutes (in operation)| ~85% time saving |

5. TECHNICAL SPECIFICATIONS

Model Reference: ODM1208HD
Feed Opening: 1200mm x 800mm
Maximum Feed Size: 1000mm edge length
Closed Side Setting (CSS) Range: 100 250 mm
Capacity Range (@ given CSS): 350 750 tonnes per hour
Drive Power Requirement: 132 kW Electric Motor (or equivalent diesel hydraulic drive)
Total Weight (Crusher Only): Approximately 48,000 kg
Key Material Specifications:
Frame Construction: Hardox® / Bisalloy® steel plate
Eccentric Shaft: Forged alloy steel EN24/34CrNiMo6+
Jaw Plates / Liners: Premium Manganese Steel ASTM A128 Gr C / DIN GX120Mn12
Bearings: Spherical roller bearings on main shaft
Environmental Operating Range: Designed for ambient temperatures from 20°C to +45°C with appropriate lubricants.

6. APPLICATION SCENARIOS

Granite Quarry Expansion Project

Challenge:
A large granite quarry needed to increase primary circuit throughput by over 30% without expanding their electrical substation capacity or adding significant maintenance staff.
Solution:
Replaced two older jaw crushers with a single ODM1208HD unit equipped with highinertia flywheels and an optimized chamber profile.
Results:
Throughput increased by 35%. Energy consumption per ton dropped by 19%, staying within existing power contracts. Reduced number of wear part sets in inventory simplified logistics.

Primary Crushing for Major Road Construction

Challenge:
A contractor on a remote highway project faced severe schedule pressure but experienced frequent stoppages due to tramp metal in blasted rock feed.
Solution:
Installed an ODM mobile tracked jaw plant featuring the hydraulic toggle overload protection system.
Results:
Eliminated unplanned downtime from tramp iron events entirely over an18month project duration.The automatic release system cleared uncrushables in under two minutes.The project finished three weeks ahead of schedule on crushing operations.

7.COMMERCIAL CONSIDERATIONS

ODM stone crushers are offered through a flexible commercial structure tailoredto capital project planning:

Pricing Tiers:
Tier I – Base Machine:Crusher unitwith standard manganese jawsand motor drives.
Tier II – Plant Ready Package:Crusher,VGF module,motor starters,and walkway platforms preassembledon common skidfor faster installation.
Tier III – Full Mobile Solution:Crusher integratedon heavyduty tracked chassiswith onboard powerand feederfor rapid site deployment within days

Optional Features & Upgrades:
– Automated lubrication systems(AutoGrease)
– Rock level sensorfor chokefeed control
– Wear monitoring systemswith wireless telemetry
– Dust suppression spray bars integratedinto frame

Service Packages:
Bronze –12month parts warrantywith recommended spare parts list.
Silver – Extended3year/6，000hour core component warranty( shaft，bearings，frame )includes two scheduled inspections .
Gold – Fullservice contractcovering all parts,labor,and scheduled maintenancefor predictable fixedcost operation .

Financing Options:
Available through partner institutions including equipment leasing(3660 months)，renttoown agreements,and projectbased financingto align paymentswith cash flowfrom new contracts .

8.FAQ

Q:What if my existing feeder isn't compatible with your crusher's feed opening?
A:The ODM engineering team provides detailed interface drawings during quotation.We can also supply a matched vibrating grizzly feeder(VGF )as partof a complete package ensuring optimal feed distributionand scalpings .

Q:What isthe expected lead timefor replacement wear parts?
A:Crucial wear parts like standard profile manganese jawsare heldin regional stockholding warehousesin key marketsensuring availabilitywithin57 business daysfor most orders .

Q:Canyour jaw crusher handle recycled concreteor asphalt(RAP)?
A：While capable，we recommend our specific impactor linefor highvolume recycling due torebar content .For occasional clean concrete crushing，our jaw can be fittedwith specialized reinforced breaker platesupon request .

Q：How doesthe hydraulic toggle systemimpact ongoing maintenance？
A：It simplifies it .The system uses standard industrial hydraulic components .Routine maintenance involves checking fluid levelsand filter changes—tasks familiar tomaintenance crews—eliminatingthe complex disassembly requiredfor mechanical toggle systems .

Q：What site preparationis requiredforthe foundation？
A：We provide comprehensive foundation drawingsshowing load pointsand bolt patterns .Generally，a mass concrete foundation designedby your civil engineerbased on our supplied dynamic loads is requiredfor stationary installations .

Q：Are trainingand commissioning included？
A：Yes .Standard commercial terms includea twoday onsite commissioningand operator/maintenance training session conductedby an ODM field service engineerupon installation completion .

Q：What documentationis providedwiththe machine？
A：You receivea full digital dossier including assembly drawings，parts manuals，lubrication schedules，recommended service intervals，and motor wiring diagrams compliantwith international standards .