Type 245 Flexible Mining Cable: The Perfect Solution for Continuous Extraction Mining Systems and Bretby Chains

When it comes to mining operations, especially in continuous extraction systems and long reach shearers, the choice of cable is critical. The Type 245 Flexible Mining Cable is engineered to meet the demanding requirements of these high-performance mining applications.

Its exceptional flexibility, durability, and resistance to bending make it the ideal choice for operations that require cables to be laid in narrow spaces with sharp curves or bends.

The Importance of Flexibility in Mining Cables

Mining environments are challenging, with cables often subjected to extreme conditions, including tight spaces, constant movement, and abrasive materials.

The Type 245 Flexible Mining Cable is designed to withstand these challenges while maintaining its flexibility. This flexibility is crucial for several reasons:

Easy Installation:

The ability to easily maneuver the cable around tight corners and through confined spaces reduces installation time and labor costs.

Reduced Wear and Tear:

Flexible cables are less likely to suffer from mechanical stress, which extends their lifespan and reduces maintenance costs.

Improved Safety:

Flexible cables are less prone to damage, which reduces the risk of electrical faults and enhances the overall safety of mining operations.

Bretby Chains and Continuous Extraction Mining Systems

Bretby chains play a vital role in continuous extraction mining systems. These chains are used to haul mined material from the face of the mine to the conveyor belt.

They are particularly important in longwall mining operations, where continuous extraction is critical to maintaining productivity.

In long reach shearers, the use of Bretby chains allows for the efficient removal of large quantities of material over extended distances.

However, the effectiveness of these systems depends heavily on the quality and flexibility of the cables used. This is where the Type 245 Flexible Mining Cable shines.

Why Type 245 Flexible Mining Cable is the Best Choice

The Type 245 Flexible Mining Cable is specifically designed to meet the demands of continuous extraction systems and Bretby chains. 

1. Unmatched Flexibility

The Type 245 cable is built with materials that allow it to bend and flex without compromising its integrity. This makes it ideal for use in environments where cables need to navigate tight spaces or sharp bends. Whether it's laid in a narrow tunnel or wrapped around a Bretby chain, this cable maintains its performance.

2. Superior Durability

Mining environments are harsh, with cables exposed to dust, debris, and heavy machinery. The Type 245 cable is constructed with robust materials that resist wear and tear, ensuring a long service life even in the most demanding conditions. This durability reduces the need for frequent replacements, saving time and money in the long run.

3. High Resistance to Mechanical Stress

The design of the Type 245 cable includes features that make it resistant to mechanical stress, such as impact, abrasion, and crushing. This is particularly important in continuous extraction systems, where cables are constantly moving and subject to significant physical forces.

4. Suitable for Tight Spaces

One of the standout features of the Type 245 cable is its ability to perform well in tight spaces. In many mining operations, space is at a premium, and cables need to be laid in areas with limited clearance. The Type 245 cable can be easily installed in these environments without sacrificing performance or safety.

How Type 245 Cable Enhances Bretby Chains' Performance

The effectiveness of Bretby chains in long reach shearers depends on the reliability and flexibility of the cables used. The Type 245 Flexible Mining Cable enhances the performance of Bretby chains in several ways:

Smooth Operation: The flexibility of the Type 245 cable ensures that it moves smoothly with the Bretby chain, reducing the risk of snagging or damage.

Reduced Downtime: The durability of the cable minimizes the likelihood of cable failures, which can cause costly downtime in mining operations.

Enhanced Safety: By maintaining its integrity even in tight bends, the Type 245 cable reduces the risk of electrical faults, enhancing the safety of the entire system.

Applications of Type 245 Flexible Mining Cable

The Type 245 Flexible Mining Cable is versatile and can be used in a variety of mining applications, including:

Longwall Mining:

In longwall mining, continuous extraction systems are essential for maintaining high productivity. The Type 245 cable is ideal for use in these systems, where its flexibility and durability are critical.

Room and Pillar Mining:

In room and pillar mining, the cable needs to navigate around tight corners and through narrow spaces. The Type 245 cable’s flexibility makes it perfect for this application.

Surface Mining:

Even in surface mining operations, the Type 245 cable can be used in areas where flexibility and durability are required.

The Role of Long Reach Shearers in Modern Mining

Long reach shearers are powerful machines used in mining to extract material from the face of the mine. These machines are equipped with rotating drums that cut into the material, which is then collected by the Bretby chains and transported to a conveyor system.

The effectiveness of long reach shearers depends on the reliability and performance of the cables used.

The Type 245 Flexible Mining Cable is designed to work seamlessly with these machines, providing the flexibility and durability needed to keep operations running smoothly.

Applications

These very flexible cables are mainly used as longwall shearer cables, and also for continuous miners and peripheral longwall cables.Cable has 3 central pilots for earth continuity monitoring and for control circuits.

STANDARDS:

AS/NZS 1802:2003
AS/NZS 1125
AS/NZS 3808
AS/NZS 5000.1

SPECIFICATIONS

Low Voltage

Medium Voltage

CONSTRUCTION

3×Conductors:

Flexible stranded tinned annealed copper conductor.

Conductor Screen:

1.1/1.1kV - polyester barrier tape, 3.3/3.3kV andabove - polyester barrier tape and extruded semiconductive tape.

Insulation:

EPR.

Insulation Screen:

Semiconductive tape.

Cradle Separator:

Semiconductive PCP.

Overall Core Screen:

SemiconductivePCP filling andcovering.

3×Interstitial Earth Conductor:

Semiconductive PCP insulated flexible stranded tinned copper conductor.

3×Central Extensible Pilot:

EPR covered flexible stranded tinned copper conductor.

Textile Reinforcement:

Open-weave braid reinforcement.

Sheath:

Heavy duty PCP sheath.