1. PEMBUKAAN PAINPOINT DRIVEN

Managing a quarry site in a highdensity, logistically complex environment like Lagos presents distinct operational hurdles. Are you contending with inconsistent feed material from multiple sources, leading to premature crusher wear and unpredictable final product gradation? Is your primary crushing stage a bottleneck, causing costly downstream equipment idle time and failing to meet the highvolume demands of Lagos’s construction boom? Tambahan pula, does the need for frequent manual adjustment and reconfiguration to handle varying rock types reduce your plant’s overall equipment effectiveness (OEE) and increase labor costs? These challenges directly impact your bottom line through increased maintenance spend, kehilangan waktu pengeluaran, and an inability to reliably fulfill largescale contracts. Soalan utama untuk pengurus kilang adalah ini: how can you establish a primary crushing setup that ensures consistent throughput, meminimumkan masa henti yang tidak dirancang, and adapts to variable feed conditions without sacrificing efficiency?

2. GAMBARAN KESELURUHAN PRODUK

The Mobile Primary Jaw Crusher with Integrated Grizzly Feeder is a selfcontained, trackmounted crushing unit designed for the first reduction of quarryrun rock. It is engineered specifically for deployment at Lagos quarry sites and assembly plants where rapid setup, mobility between faces, and processing of variable material are critical.

Aliran Kerja Operasi:
1. Suapan & PraSkrin: Quarryrun material is loaded into the integrated vibrating grizzly feeder (VGFF VGF), which separates fines prior to crushing, mengurangkan beban penghancur dan haus.
2. Penghancuran utama: Oversize material is conveyed into the highcapacity jaw crusher chamber, where a robust flywheel and deep crushing chamber facilitate consistent size reduction.
3. Pengangkutan Produk: Crushed material is discharged via a product conveyor at a regulated height for direct stockpiling or feeding into a secondary crushing or screening circuit.

Skop Permohonan: Ideal untuk memproses granit, batu kapur, and other hard rock quarried in SouthWest Nigeria. Suited for multisite operators requiring relocation flexibility.

Batasan: Tidak direka bentuk sebagai kilang produk siap kendiri; requires secondary/tertiary stages for precise aggregate grading. Maximum feed size is constrained by crusher inlet dimensions.

3. CIRI TERAS

Penghancur Pemacu Terus | Asas Teknikal: Motor hightorque terus digandingkan ke aci pemacu penghancur melalui gandingan bendalir | Faedah Operasi: Menghapuskan gelinciran dan penyelenggaraan Vbelt, provides maximum power transfer even under high load | Kesan ROI: Reduces energy loss by up to 8% versus traditional drives and lowers longterm replacement part costs.

Penyumpan Grizzly Bergetar Tugas Berat (VGFF VGF) | Asas Teknikal: Boltless Mn steel liners with adjustable grizzly bar spacing | Faedah Operasi: Scalps fines effectively, protects crusher from unnecessary abrasion, allows onsite adjustment for different material profiles | Kesan ROI: Extends jaw die life by an estimated 3040%, directly reducing consumables expenditure.

Intelligent Hydraulic Setting Adjustment | Asas Teknikal: PLCcontrolled hydraulic cylinders for wedge adjustment | Faedah Operasi: Enables remote closedside setting (CSS) adjustment in minutes without manual intervention, walaupun semasa operasi | Kesan ROI: Minimizes changeover downtime by over 70%, meningkatkan ketersediaan loji untuk pengeluaran.

TrackMounted Mobility with Leveling System | Asas Teknikal: Hydraulically driven crawlers with independent proportional control and autoleveling jacks | Faedah Operasi: Enables fast relocation between quarry faces (<30 min setup) and stable operation on uneven ground | Kesan ROI: Maximizes resource utilization from multiple pits with a single primary unit, deferring capital expenditure on additional fixed plant.

Sistem Penindasan Habuk Termaju | Asas Teknikal: Pressurized water spray bars with solenoid valves at all transfer points | Faedah Operasi: Mengurangkan zarah bawaan udara dengan ketara, ensuring compliance with environmental standards and improving site working conditions | ROI Impact Mitigates risk of regulatory work stoppages and associated project delays in sensitive urban fringes.

Tahap 4 Final / EU Stage V Compliant Engine | Asas Teknikal: Selective Catalytic Reduction (Scr) and Diesel Particulate Filter (DPF) teknologi | Operational Benefit Delivers full power while meeting stringent emissions regulations for operation in varied locations | ROI Impact Futureproofs your investment against evolving environmental legislation in industrial zones.

4. KELEBIHAN KOMPETITIF

| Metrik Prestasi | Industry Standard Mobile Jaw Crusher | Our Mobile Primary Jaw Crusher Solution | Kelebihan (% penambahbaikan) |
| : | : | : | : |
| Purata Tan sejam (Granit Keras) | 280 320 tph | 350 390 tph | +18% Throughput |
| Crusher Setting Adjustment Time (Mekanikal lwn. Hidraulik) | 45 60 minit (manual) | <10 minit (hidraulik jauh) | 85% Downtime |
| Penggunaan Bahan Api per 100 Tan Hancur| ~1214 liters / 100t| ~911 liters / 100t| ~20% Penambahbaikan|
| Pakai Part Life (Jaw Dies abrasive rock)| ~120,000 tan| ~160,000 tons| +33% Jangka hayat|
| Penempatan semula & Masa persediaan (with leveling)| ~6090 minutes|<30 minit|60% Masa

_Field data based on controlled operational comparisons in similar geological conditions._

5. SPESIFIKASI TEKNIKAL

Model Penghancur: JC5460 HeavyDuty Jaw Crusher
Pembukaan suapan: 1400mm x 1100mm
Saiz suapan maksimum: 1000mm panjang tepi
Kuasa Enjin: Caterpillar C18 ACERT™, 571 kw (765 Hp), Tahap 4 Final
Integrated Feeder: VGF6024 Vibrating Grizzly Feeder with 75mm stepdeck grizzly section
Dimensi Pengangkutan: Panjang: 17.5m / Lebar: 3.5m / Ketinggian: 4.2m
Berat Operasi: Kira -kira 98,000 kg
Penghantar Produk: Discharge height adjustable up to 4m; width 1400mm
Spesifikasi Bahan: Main frame fabricated from hightensile steel; jaw dies manufactured from 18% Mn keluli.
Julat Operasi Persekitaran: Suhu ambien 20°C hingga +45°C; sistem penindasan habuk dinilai untuk operasi sehingga 85% kelembapan relatif.

6. SENARIO APLIKASI

LargeScale Granite Quarry Serving LagosIbadan Expressway Projects |

Challenge A major quarry operator faced inconsistent feed from three separate pits, causing frequent jaw crusher chokeups and erratic output to their fixed secondary plant.
Solution Deployment of one mobile primary jaw crusher with adjustable VGF was rotated between the three pits based on blasting schedules.
Results The mobile unit processed variable feed effectively at each location. Daya pengeluaran loji stabil pada purata 365 tph; choke events were reduced by 90%. The consistent precrushed material improved overall plant OEE by 22%.

Urban Aggregate Recycling & Quarry Assembly Plant |

Challenge An assembly plant processing demolition concrete and natural rock required rapid configuration changes but had limited space for multiple fixed machines.
Solution A single trackmounted primary jaw crusher with hydraulic CSS adjustment handled both recycled concrete (dengan rebar) and virgin limestone.
Results Changeover between material types was achieved in under 15 minutes via remote CSS adjustment. The unit's mobility allowed optimal positioning within the confined yard layout. Metal detection systems prevented tramp metal damage.

7. PERTIMBANGAN KOMERSIL

Peringkat Harga:

1. Base Equipment Package Includes core mobile jaw crusher with standard features.
2 Production Optimization Package Adds advanced dust suppression system onboard power pack for conveyors extended warranties on drivetrain components.
3 Premium Turnkey Package Includes delivery commissioning supervision operator training initial set of wear parts

Ciri Pilihan:
Hydraulic breaker attachment bracket oversize stone handling kit magnetic separator retrofit extended main conveyor kits

Pakej Perkhidmatan:
Planned Maintenance Agreements offering scheduled parts replacement at fixed cost Comprehensive Service Contracts covering all labor parts excluding wear items Remote Monitoring Telematics subscription

Pilihan Pembiayaan:
Capital lease operating lease structures available tailored rentaltoown programs projectbased financing through partner institutions

8 Soalan Lazim

What is the expected output gradation after the primary crushing stage?
Output gradation is primarily determined by the closedside setting CSS With typical Lagos granite feed expect approximately 7080 of output below 150mm when CSS is set at 125mm Exact curve depends on rock fracture characteristics

How does this unit handle lateritic or claybound material common in some sites?
The heavyduty vibrating grizzly feeder VGF is highly effective at scalping sticky fines before they enter the crusher chamber For severe clay binding optional grizzly deck heating systems are available to prevent blinding

What are the key service intervals major component rebuild timelines?
Industry standard service intervals apply Daily greasing checks weekly inspections Major bearing inspections are recommended at 6000 operating hours Engine overhaul intervals are typically beyond 20000 hours dependent on operating conditions

Is technical training provided for our maintenance crew?
Yes comprehensive onsite operational maintenance training is included with purchase Extended technical training programs are available covering troubleshooting hydraulic systems electrical controls

What warranty coverage applies?
Standard warranty covers defects in materials workmanship for months or 2000 operating hours whichever comes first Extended warranty options cover major structural components powertrain elements up to 36 bulan