Hydraulic Drifter

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Montabert underground Drifter repairs

Hydraulic Drifter Specialist

What is a Drifter?

You get two main types of Drifters also known as a Rock Drill – Hydraulic Drifter and Pneumatic Drifter (air). In this article we will be focusing on the HYDRAULIC DRIFTER used on Drill Rigs for Surface and Underground mining activities.

A hydraulic Drifter or Rock Drill is a high frequency hammer that uses shock wave transmission (Percussion), Rotation torque and water/air flushing to allow a drill bit to penetrate rocks. With years of advancement in materials and hydraulic technology there isn’t a cheaper, safer and faster way to drill into rocks to depths of 2m to 24m vertically or horizontally.

Below is a video on basic drilling principles that are applicable to surface and underground drilling.

Feed – Percussion – Rotation – Flushing

Basic drilling Principles

Where are Hydraulic Drifters used?

Surface and Underground Drill rigs

Surface Mining and Underground Mining

There are two main types of Drill rigs that use hydraulic drifters, Top hammer drills: Crawler drills that are used for opencast mining; and Drill jumbos that are used for operations such as tunnel and production drilling. Both types are mainly used to drill holes for charging explosives for blasting or roof support for safety.

Surface Drilling
Underground Drilling

Surface Drill Rigs

Open cast mines – Quarries – Construction sites:

Top Hammer

Montabert CPA

CPA – Excavator Mounted Drill Attachment

Crawler Drill Rig

Shaft Sinking

Underground Drill Rigs

Single Boom – Tunneling and Production Drilling

Double Boomer – Tunneling and Production Drilling

Rail track Mounted Boomer

Roof Bolting

Cable bolters and Rock Reinforcement

Hole Diameter:

Also know as bore diameter (Internal Diameter): Hole Diameter varies depending on application, drifter power (kw) and rock hardness. On average hydraulic drifter can drill holes diameters ranging from +/- 24mm to 178mm.

Hydraulic Drifter Maintenance at Insumbi:

Hydraulic drifter Repairs

Hourly Maintenance is key:

When drilling the drifter begins to wear on certain internal components, there are strict hourly service intervals that when done saves companies money on repairs and catastrophic failures in the future.

The only way a Drilling Contractors/Mines or Construction Sites can save money on repairs is a strict a maintenance schedule for all drifters and drill Rigs.

Daily Maintenance should be carried out by a qualified site mechanics that have gone through our training course.

Drill Operators should be certified and re-certified when there has been site abuse identified through our rigorous failure reports and oil analysis that we issue to our customers.

Preventative Maintenance

400hr 800hr 1000 hr

That’s where Insumbi Technical Business fits in.

All our customers drifters that are in for repairs are placed on hourly maintenance. This allows us to build a history file on your hydraulic Drifter. Planned maintenance allows Insumbi to hold stock for quick repair turn around times and less down time.

Our extensive knowledge in the drilling industry and years of experience on Surface/Underground mines makes our service team the Leaders in Hydraulic Drifter Repairs. Our highly trained technicians will maintain and service your drifters while saving you down time and money.

  • We use OEM parts and Superior replacement parts.
  • For extended quality all Drifters are dyno tested to simulate drilling environment. Performance is recorded to note which drifters are underperforming.
  • All repairs and spares comes with OEM equivalent warranty

Insumbi Service Centre repairs the following drifters:

Insumbi Montabert
Insumbi Technical Business is Montabert Approved

Montabert Drifter Repair

HC20 HC25 HC50 HC109 HC120 HC150 HC158 HC160

Sandvik (Tamrock) Rock Drill Repair

RD314 H200 HLX1 HLX5 RDX5 HL1500 HL1560 RD1840C

Atlas Copco (Epiroc) Drifter Repair

COP1838 COP1840

Furukawa Drifter Repair

HD700 Series and HD800 Series

Yamamoto YH Drifter Repair

YH85 YH135

TEI Drifter Repair