Rig architecture, rotary air compression, and nitrogen generation audited against API Spec Q1, MSHA 30 CFR Part 57, and IECEx Zone 1 so procurement teams can release documentation-ready purchase orders on the first revision.
Every rig ships with stress calculations, FEA reports, and traceable weld procedures reviewed by a chartered mechanical engineer. Rotary heads, carriers, and masts are interchangeable across product families so drilling contractors can rebuild their fleet around a shared component library.
Control cabins carry IECEx and ATEX Zone 1 certification for coal and gassy mine environments, with redundant fire suppression, positive-pressure cab ventilation, and independent proximity interlocks. Operator console layouts were cleared through a 14-step ergonomics audit.
Three hundred and ten factory-trained engineers dispatch from regional service hubs with bonded spare-parts consignment stock. Scheduled preventive programmes are priced against documented MTBF targets rather than generic hour intervals.
Drill strings, compressor packages, and power generation skids can be reconfigured for altitude, formation hardness, or classified-area duty without stepping outside the certified envelope. Revision control is handled through ISO 9001 change boards.
Critical components including rotary heads, rotary unions, pressure vessels, and nitrogen generators are pressure-tested against API, ASME VIII, and PED modules with certificates retained in the project documentation package.
Frames use quenched and tempered structural steel rated to 690 MPa yield. Heat exchangers run at 1.5× design pressure before shipment. Every durability claim is paired with an ISO-traceable test record that is handed over with the rig.
Engineering datasheets for the surface rotary blast-hole platform and the underground long-hole production rig, published to the same revision discipline used in customer drawing packs.
| Parameter | AC-SR 260 Surface Rotary | AC-UL 180 Underground Long-Hole |
|---|---|---|
| Hole diameter range | 152 – 270 mm | 76 – 115 mm |
| Maximum hole depth | 58 m (single pass) | 54 m (fan drilling) |
| Rotary head torque | 10,500 Nm | 3,800 Nm |
| Pulldown force | 356 kN | 138 kN |
| Onboard compressor | 35 m³/min at 24 bar | 12 m³/min at 20 bar (skid-linked) |
| Prime mover | EPA Tier 4 Final, 596 kW | EU Stage V, 242 kW diesel / 200 kW electric |
| Classified-area rating | Zone 2 IIB T3 | Zone 1 IIA T4 (ATEX / IECEx) |
| Weight, operating | 72.4 t | 34.1 t |
| Emissions monitoring | ISO 8178 telematics stream | Real-time particulate via CANopen |
| Documentation package | API Spec Q1 FAT + ISO 9001 test records | MSHA 30 CFR Part 57 + IECEx certificate |
All documents are revision-stamped and mirror what is supplied inside a customer project pack.
Full parameter set for surface blast-hole drilling with ISO 8178 emission profile.
Fan-drilling performance curves, ATEX zone declarations, hydraulic schematic reference.
Project documentation checklist handed over at FAT for rotary rigs and pressure vessels.
Membrane vs PSA selection, flow vs purity calculator, fuel-cell and inerting case studies.
MTBF tracker, preventive-maintenance route sheet, spares consignment handshake forms.
Rigs are delivered against API Spec Q1, ISO 9001:2015, and the mechanical clauses of MSHA 30 CFR Part 57. Documentation packs include both the factory acceptance test record and a traceable material certificate set.
Yes. The underground platform carries IECEx and ATEX certification at base specification. Each rig receives its own IECEx Certificate of Conformity tied to the serial number rather than a generic family document.
Engines are re-matched against ISO 3046 altitude and ambient correction curves. We publish the actual derated power at the operating elevation inside the purchase-order specification rather than the sea-level value.
Inquiries routed through the engineering desk receive a preliminary feasibility note within 48 hours and a fully costed technical proposal in ten working days for standard configurations.
Lloyd's Register, Bureau Veritas, TÜV SÜD, and DNV have all witnessed FAT events at our manufacturing campus. Witness protocols are agreed at contract signature and attached to the inspection plan.
Yes. Diesel power packs and containerised switchgear mount on the same skid envelope used by our rotary compressors, allowing a drilling contractor to redeploy a single asset between two duties.
Every rig ships with a ten-year minimum spare parts commitment. Long-lead components are stocked at three regional consignment hubs and revision-matched against the rig serial number.
Operator and maintenance training is delivered either at the customer site or at our field engineering centre. Curricula follow a documented competency framework aligned with MSHA Part 48 and equivalent international programmes.