Cat reveals MD6250 blasthole drill
Cat has launched the super-efficient MD6250 blasthole drill, designed for use in the mining, quarrying and heavy construction industries.
Cat says the MD6250 has been engineered to extend bit life, improve hole accuracy and reduce running costs. The drill’s frame has heavy cross-bracing in high-load areas, while the box section provides structural rigidity, extending the life of the drill.
The MD6250 is built for drilling 10m and 12m benches, including angle drilling for cast blasting. The drill is powered by a 655Cat C27 ACERT diesel that can be configured to meet any emissions regulations around the world.
The drill is designed to perform in both down-the-hole (DTH) hard rock applications, as well as rotary soft rock applications.
The MD6250 has two drilling masts, one 11.2m and the other 13.7m, with bit loads of 22,321kg and 32,655kg respectively. When using the masts for multi-pass drilling the 11.2m mast is capable of reaching depths of 53.6m, and the 13.7m mast can get to 37.9m.
Cat says the drill is highly manoeuvrable and can handle angle drilling from 0 to 30 degrees, adjusting in 5-degree increments. It has an approach angle of 15 degrees for easy ramp access and loading, and the machine is capable of climbing gradients up to 26 degrees.
There is a range of tech advancements on the MD6250 designed to make operation as smooth and accurate as possible, Caterpillar says.
An optional auto drill assist mode can control every step of the drilling process to simplify the operator’s job and ensure accuracy.
For the operator, the MD6250 has a FOPS cab with 3 square metres of floor space. The cab has joystick controls and dual 254mm colour touchscreen displays. The cab is pressurised and sealed to minimise dust, while a full-length window gives an unobstructed view of the drilling deck.
A camera mounted on the mast provides the operator with a clear view of the pipe carousel/top drive, and cameras mounted on the front and left sides give the operator a 360-degree view of the drill from the cab.
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