Tapak Kuari Di Lagos Fabricator Sourcing
Kandungan Halaman Pendaratan: Tapak Kuari Di Lagos Fabricator Sourcing
1. PEMBUKAAN PAINPOINT DRIVEN
Your Lagos quarry operation faces three persistent bottlenecks: inconsistent aggregate quality from unreliable local fabricators, 1824 week lead times on imported OEM crushers, and the hidden cost of downtime—estimated at ₦850,000 per hour for a 250tonperhour plant. When your fabricatorsourced conveyor frames fail after 400 hours or your locally fabricated jaw dies show premature wear at 60% of expected throughput, the cost isn’t just in replacement parts; it’s in lost production contracts and penalty clauses.
Adakah anda berbelanja 30% more on maintenance than your competitors because of substandard fabrication tolerances? Do your plant managers report alignment issues with locally sourced screen decks that reduce screening efficiency by 15%? The solution lies not in abandoning local sourcing, but in specifying the correct equipment and fabrication standards for your Lagos quarry sites.
2. GAMBARAN KESELURUHAN PRODUK
Jenis Peralatan: Penghancur Rahang Utama Tugas Berat (Model: LQS3242) designed for fabricatorsourced assembly at Lagos quarry sites.
Aliran Kerja Operasi:
1. Penyediaan Makanan: Bahan Runofquarry (0800mm) is fed via a vibrating grizzly feeder (fabricatorsupplied, per LQS specifications) to remove fines.
2. Penghancuran utama: The 900mm x 1100mm jaw chamber reduces material to 150250mm at a throughput of 200350 Tph.
3. Scalping & Secondary Feed: Crushed material passes over a fabricatorbuilt scalping screen (2dek, 50mm and 25mm apertures) to separate product.
4. Conveyor Transfer: Fabricatorsourced belt conveyors (specified at 1,200mm width, 3kain EP lapis) transfer material to stockpiles or secondary crushers.
5. Integrasi kawalan: PLCbased control panel (fabricatorassembled) manages startup sequence, load monitoring, and emergency stops.
Skop Permohonan: Penghancuran utama granit, basalt, and limestone at Lagos quarry sites. Batasan: Not suitable for abrasive materials exceeding 450 Kekuatan mampatan MPa; requires fabricator adherence to ASTM A36/A572 steel specifications for frame construction.
3. CIRI TERAS
FabricatorReady Frame Design | Asas Teknikal: Analisis Unsur Terhingga (FEA) pengagihan tekanan yang optimum | Faedah Operasi: Reduces weld fatigue cracking by 40% compared to standard fabricator designs | Kesan ROI: Extends frame service life from 5 ke 8 tahun, saving ₦4.2 million in replacement costs
BoltIn Jaw Die System | Asas Teknikal: Tapered wedge locking mechanism with 4140 alloy steel bolts | Faedah Operasi: Die change time reduced from 8 jam ke 2.5 jam setiap set | Kesan ROI: 68% reduction in downtime during wear part replacement, menambah 180 waktu pengeluaran setiap tahun
FabricatorSourced Hydraulic Toggle Adjustment | Asas Teknikal: Singleacting hydraulic cylinder with manual lockout valve | Faedah Operasi: Tetapan sampingan tertutup (CSS) adjustment in 5 minit vs. 45 minutes with mechanical toggle | Kesan ROI: Enables rapid product specification changes, mengurangkan pembaziran dengan 12% during grade transitions
PreEngineered Conveyor Interface | Asas Teknikal: Standardized bolt patterns and shaft diameters per CEMA B specifications | Faedah Operasi: Eliminates field modifications; fabricator can build conveyors to exact dimensions | Kesan ROI: Mengurangkan masa pemasangan dengan 3 minggu, saving ₦1.8 million in site labor costs
Pakej Pelapik WearResistant | Asas Teknikal: 12% keluli mangan (ASTM A128 Grade B) for jaw plates; 500 Brinell Hardox for side liners | Faedah Operasi: Mencapai 8,00010,000 hours of wear life in Lagos granite applications | Kesan ROI: Mengurangkan kos penggantian pelapik tahunan dengan 35% compared to generic fabricator steel
Port Penindasan Debu Bersepadu | Asas Teknikal: Water spray nozzles at feed point and discharge chute, plumbed for fabricator installation | Faedah Operasi: Mengurangkan habuk silika yang boleh disedut dengan 70% at the crusher station | Kesan ROI: Avoids NESREA fines of up to ₦5 million per violation and improves operator health compliance
Modular SubFrame System | Asas Teknikal: Predrilled, lasercut base plates with 50mm leveling bolts | Faedah Operasi: Allows fabricator to pour concrete foundation independently; crusher mounts in 2 hari | Kesan ROI: Reduces civil works timeline by 60%, enabling faster site commissioning
4. KELEBIHAN KOMPETITIF
| Metrik Prestasi | Piawaian Industri (Imported OEM) | LQS3242 (Fabricator Sourced) | Kelebihan (% Penambahbaikan) |
| : | : | : | : |
| Masa Utama (order to operation) | 2024 minggu | 810 minggu (fabricator local) | 60% penyebaran lebih cepat |
| Frame Fabrication Cost | ₦18.5 million (imported) | ₦11.2 million (local fabricator) | 39% kos modal yang lebih rendah |
| Jaw Die Replacement Time | 68 jam | 2.5 jam (sistem boltin) | 62% penyelenggaraan yang lebih cepat |
| Masa Pelarasan CSS | 3045 minit | 5 minit (hidraulik) | 85% quicker grade change |
| Pakai Kehidupan (Lagos granite) | 9,00011,000 jam | 8,00010,000 jam | 1015% lebih rendah (acceptable tradeoff) |
| Ketersediaan Alat Ganti | 46 minggu (import) | 12 minggu (local fabricator) | 75% faster parts access |
| Foundation Preparation Time | 57 hari | 2 hari (subframe modular) | 60% faster civil works |
5. SPESIFIKASI TEKNIKAL
| Parameter | Spesifikasi |
| : | : |
| Model | LQS3242 (Fabricator Sourced) |
| Pembukaan suapan | 900mm x 1100mm |
| Saiz suapan maksimum | 800mm |
| Julat Kapasiti | 200350 Tph (bergantung pada CSS dan bahan) |
| Tetapan sampingan tertutup (CSS) Julat | 100mm 250mm |
| Keperluan Kuasa | 160 kw (215 Hp) motor elektrik, 415V, 3fasa, 50Hz |
| Kelajuan Motor | 980 Rpm |
| Kelajuan aci eksentrik | 220 Rpm |
| Bahan Rangka Utama | Gred ASTM A572 50 steel plate (25mm tebal) |
| Bahan Jaw Die | ASTM A128 Grade B (12% keluli mangan) |
| Side Liner Material | Hardox 500 (400 Brinell minimum) |
| Jumlah Berat (penghancur sahaja) | 42,000 kg |
| Dimensi Keseluruhan (L x W x H) | 3,200mm x 2,400mm x 2,800mm |
| Julat Suhu Operasi | 10°C hingga 45°C (ambien) |
| Vibration Tolerance | < 8 mm/s RMS at full load |
| Tahap Kebisingan (di 1 meter) | < 95 db(A) |
6. SENARIO APLIKASI
Kuari Granit Lagos (Abeokuta Formation) | Cabaran: A 500 TPH quarry near Ibadan experienced 40% downtime due to fabricatorbuilt jaw crusher frame cracking after 14 bulan. The local fabricator used mild steel (kekuatan hasil 250 MPa) instead of specified highstrength steel. | Penyelesaian: Replaced with LQS3242 using preengineered frame drawings and ASTM A572 steel sourced through the fabricator. Fabricator received welding procedure specifications (WPS) dan ujian tidak merosakkan (NDT) keperluan. | Keputusan: Frame integrity maintained after 24 bulan beroperasi. Masa henti dikurangkan kepada 8%. Annual maintenance cost dropped from ₦9.2 million to ₦4.8 million.
Kuari Batu Kapur (Ewekoro Formation) | Cabaran: A cement plant quarry required consistent 150mm product for their raw mill. Existing fabricatorsourced crusher produced 35% oversize due to poor toggle plate geometry. | Penyelesaian: Installed LQS3242 with hydraulic CSS adjustment and precalibrated toggle plate dimensions. Fabricator used provided CAD files for toggle plate manufacture. | Keputusan: Bahan bersaiz besar dikurangkan kepada 4%. Crusher throughput increased from 220 TPH kepada 290 Tph. Cement mill feed consistency improved, reducing raw mill power consumption by 12%.
Kuari Basalt (Lagos Lagoon Area) | Cabaran: A construction aggregate supplier needed a mobile primary crusher for a 12month bridge project. Imported options exceeded budget by ₦15 million. | Penyelesaian: Fabricator built a portable chassis per LQS specifications, mounting the LQS3242 on a tripleaxle trailer with hydraulic leveling. | Keputusan: Total project cost (penghancur + casis) was ₦28 million vs. ₦43 million for imported mobile unit. Crusher relocated twice during project with 2day setup each time. Project completed on schedule.
7. PERTIMBANGAN KOMERSIL
Peringkat Harga Peralatan (₦, exfactory Lagos):
- Pakej Asas (Penghancur Sahaja): ₦11,200,000 – Includes main frame, rahang mati (one set), togol pinggan, eccentric shaft assembly, dan roda tenaga.
- Pakej Standard: ₦14,800,000 – Base plus hydraulic toggle system, wear liner package, and dust suppression ports.
- Complete Package: ₦18,500,000 – Standard plus motor, Pemacu Vbelt, rangka asas, dan panel kawalan PLC (fabricatorassembled).
- Fabricator training program (₦850,000): 3day onsite instruction on welding procedures, NDT requirements, and assembly tolerances.
- Extended wear liner package (₦2,100,000): Additional set of jaw dies and side liners.
- Remote monitoring kit (₦1,400,000): Penderia getaran, kuar suhu, and data logger.
- asas (₦350,000/year): Quarterly inspection by LQS engineer, wear report, and spare parts priority.
- Premium (₦950,000/year): Pemeriksaan bulanan, 24sokongan kecemasan jam, dan 10% discount on all fabricatorsourced parts.
- 30% deposit, baki habis 6 bulan (0% minat)
- Leasetown: ₦1,200,000/month for 18 bulan
- Bank guarantee financing available through partner banks (912% interest per annum)
Ciri Pilihan:
Pakej Perkhidmatan:
Pilihan Pembiayaan:
8. Soalan Lazim
Q: Can any Lagos fabricator build this crusher to specification?
A: The LQS3242 is designed for fabricators with basic welding and machining capability. We provide full CAD drawings, spesifikasi prosedur kimpalan, and material certificates. A prequalification audit is recommended; we can conduct this for ₦150,000.
Q: What happens if the fabricator uses lowergrade steel than specified?
A: The frame is designed with a 2.5:1 safety factor using ASTM A572 steel. Using lowergrade steel (mis., A36) reduces the safety factor to 1.8:1, which may lead to premature cracking. We require material test certificates from the fabricator before accepting warranty claims.
Q: How does the warranty work with fabricatorsourced components?
A: LQS warrants the design and engineering drawings for 24 bulan. The fabricator warrants their workmanship and materials. We provide a joint warranty template that splits liability: LQS covers design defects; fabricator covers manufacturing defects.
Q: Apakah masa utama biasa dari pesanan hingga operasi?
A: Crusher components (aci, galas, rahang mati) kapal dalam 4 minggu. Fabricator frame construction takes 46 minggu. Total time from order to commissioning: 810 minggu, assuming fabricator has basic plate cutting and welding capability.
Q: Can this crusher handle Lagos wetseason conditions?
A: ya. The design includes sealed bearings (Taconitetype), a 15° minimum chute angle for wet material, and dust suppression ports. Data medan daripada 12 pemasangan menunjukkan 98% uptime during rainy season (MayOctober) when proper maintenance is followed.
Q: What are the operating costs per ton?
A: Based on Lagos granite at 250 Tph: wear parts cost ₦8.50/ton, power cost ₦4.20/ton, maintenance labor ₦1.80/ton. Total operating cost: ₦14.50/ton, which is 22% lower than imported OEM alternatives due to lower spare parts costs.
Q: Is there a buyback or tradein program?
A: ya. Selepas 5 tahun, LQS offers a guaranteed buyback at 25% daripada harga belian asal, provided the crusher has been maintained per our schedule and the frame has passed NDT inspection. This can be applied toward an upgraded model.


