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conveyor systems

7 Min Read
UNE 22511 — formally titled "Cables flexibles para minería subterránea con tensiones de 1,8/3 kV con aislamiento de caucho, sin armadura" (Flexible cables for underground mining, 1.8/3 kV, rubber-insulated, unarmoured) — is the definitive Spanish standard for heavy-duty power cables connecting underground mobile mining equipment to fixed electrical distribution networks. Published and maintained by AENOR (Asociación Española de Normalización y Certificación), it operates as a specialized overlay on IEC 60502-1, extending that base standard's electrical requirements with the stringent mechanical, safety, and flame-retardancy requirements specific to enclosed underground environments. Despite its Spanish origin, UNE 22511 enjoys a geographic reach far exceeding Iberia. The standard has been adopted — formally or by reference — across the major Spanish-speaking mining economies: Chile, Peru, Colombia, Bolivia, and Mexico, where AENOR-certified cables are accepted by national mining safety regulators as the primary qualification pathway for underground mobile equipment power supply cables. In Chile alone, UNE 22511 cables are installed across dozens of operations including major copper and coal mines. The standard's engineering DNA can be described in a single imperative: extreme dynamic flexibility combined with superior resistance to combined torsional and bending fatigue. This is not merely a performance aspiration — it is a structural requirement that shapes every material choice and geometric decision in the cable's construction. The logic proceeds as follows: Underground mobile equipment (continuous miners, shearers, shuttle cars) moves continuously and repeatedly during operation, dragging its power cable behind it or winding and unwinding it from a cable reel. This motion imposes cyclic bending, axial tension, and torsional loads on the cable simultaneously — a multi-axis fatigue regime of a severity not encountered in any other industrial cable application. Standard fixed-installation cables, even those classified as "flexible," are not designed for this loading regime and will fail in fatigue within weeks to months when installed in drag duty. Therefore, every structural element of a UNE 22511 cable — conductor wire diameter, insulation compound, earth core geometry, armour exclusion, sheath specification — is selected to maximize multi-axis fatigue endurance, not any single performance parameter. ⛏ The Founding Engineering Principle UNE 22511 is an unarmoured drag cable standard. The deliberate absence of any metallic armour — which might superficially seem to reduce robustness — is in fact the defining engineering choice that makes the standard viable. Steel wire or tape armour in a continuously torsionally-loaded cable acts as a progressive-failure torsional spring: each twist cycle accumulates irreversible plastic strain in the armour wires, leading to wire fractures within 10,000–30,000 cycles. For a shuttle car cable experiencing 80,000+ torsional cycles per year, armour represents not additional protection but a built-in scheduled failure mechanism. The UNE 22511 design eliminates this failure mode at source.
Technical Department
on17/06/2026

DR 720 P Highflex: высокогибкий барабанный кабель PUR/TMPU для тяжёлых механизмов, подъёмников, транспортных систем и подвижных двигателей

DR 720 P Highflex — это высокогибкий барабанный кабель для тяжёлых потребителей и оборудования с высокими механическими нагрузками. Он применяется, например, для моторных кабельных барабанов, подъёмников, транспортных систем, подвижных двигателей и сельскохозяйственных транспортных средств. Кабель рассчитан на номинальное напряжение Uo/U 0,6/1 kV, имеет оболочку PUR/TMPU, центральный несущий элемент, поддерживающий экран из высокотехнологичной нити и конструкцию, рассчитанную на интенсивную намотку и размотку.
12 Min Read
GAALFLEX® CONTROL H05V2-K/MTW/TEW / H07V2-K/MTW/TEW: Advanced Machine Tool Wire and Equipment-Integrated Cable System (H05V2-K/MTW/TEW: 300/500 V DIN VDE / 600 V UL/CSA, H07V2-K/MTW/TEW: 450/750 V DIN VDE / 600 V UL/CSA, 2.5 kV Test Voltage, −40 to +90°C Fixed Laying / −5 to +90°C Flexible Application (DIN VDE), +105°C Continuous Operation (UL/CSA), MTW 1063 Machine Tool Wire per NFPA 70, CSA Type TEW Thermoplastic Equipment Wire 105°C, Class 5 Flexible Tinned Copper Conductor per IEC 60228 / DIN VDE 0295, PVC Type TI3 Outer Sheath with Enhanced Vibration Resistance, Dual Bending-Radius Specification: 5×D Fixed Laying (Equipment Frame Mounting) / 10×D Flexible Application (Festoon and Drag-Chain Systems), Triple UL/CSA Certification (MTW 1063 + CSA TEW + AWM Style 1015), Flame Retardant per DIN VDE 0482 / EN 50265-2-1 / IEC 60332-1-2 / UL 1581, NFPA 79 2018 Edition Electrical Safety Compliance, Green/Yellow Protective Earth per NFPA 79, Single-Conductor Architecture with 0.23 mm² to 120 mm² Cross-Section Range, 14+ Standardized SKU Configurations, Optional Flexible Conductor On Request, Harmonized per European Standards, RoHS and CE Certification): Comprehensive Advanced Industrial Machinery & Equipment Cable Architecture Analysis Integrating PVC Vibration-Resistant Polymer Chemistry, MTW Machine Tool Wire Specification, CSA Equipment Wire Certification, Dual Bending-Radius Mechanical Engineering, NFPA 70 and NFPA 79 Electrical Safety Architecture, CNC and Automated Equipment Integration, Vibration-Damping Cable Design, and Next-Generation Machine-Mounted Equipment Wiring
Technical Department
on30/04/2026

GAALFLEX® CONTROL H05V2-K/MTW/TEW & H07V2-K/MTW/TEW

GAALFLEX® CONTROL H05V2-K/MTW/TEW / H07V2-K/MTW/TEW: Advanced Machine Tool Wire and Equipment-Integrated Cable System (H05V2-K/MTW/TEW: 300/500 V DIN VDE / 600 V UL/CSA, H07V2-K/MTW/TEW: 450/750 V DIN VDE / 600 V UL/CSA, 2.5 kV Test Voltage, −40 to +90°C Fixed Laying / −5 to +90°C Flexible Application (DIN VDE), +105°C Continuous Operation (UL/CSA), MTW 1063 Machine Tool Wire per NFPA 70, CSA Type TEW Thermoplastic Equipment Wire 105°C, Class 5 Flexible Tinned Copper Conductor per IEC 60228 / DIN VDE 0295, PVC Type TI3 Outer Sheath with Enhanced Vibration Resistance, Dual Bending-Radius Specification: 5×D Fixed Laying (Equipment Frame Mounting) / 10×D Flexible Application (Festoon and Drag-Chain Systems), Triple UL/CSA Certification (MTW 1063 + CSA TEW + AWM Style 1015), Flame Retardant per DIN VDE 0482 / EN 50265-2-1 / IEC 60332-1-2 / UL 1581, NFPA 79 2018 Edition Electrical Safety Compliance, Green/Yellow Protective Earth per NFPA 79, Single-Conductor Architecture with 0.23 mm² to 120 mm² Cross-Section Range, 14+ Standardized SKU Configurations, Optional Flexible Conductor On Request, Harmonized per European Standards, RoHS and CE Certification): Comprehensive Advanced Industrial Machinery & Equipment Cable Architecture Analysis Integrating PVC Vibration-Resistant Polymer Chemistry, MTW Machine Tool Wire Specification, CSA Equipment Wire Certification, Dual Bending-Radius Mechanical Engineering, NFPA 70 and NFPA 79 Electrical Safety Architecture, CNC and Automated Equipment Integration, Vibration-Damping Cable Design, and Next-Generation Machine-Mounted Equipment Wiring