Model number on rigid drill

First, find your product’s model number by referencing the data plate that looks similar to this: Every unit comes with a User Manual or parts repair sheet. Locate your original documentation that came with your unit to better identify your model number and parts. [pdf]

Great Wall Rock Drill

Natural stone is often a very hard material. There are stone walls made of softer kinds of stone, however, and these require a different type of bit. The most important factor in successfully drilling a stone wall is getting the right drill bit. The second most important factor is the drill itself. When choosing a drill bit for your. . Mark the drill holes carefully on the wall. Measure twice, and mark with chalk in a contrasting color from the wall. It is difficult to repair a mistake in drilling on a stone wall, so make certain. . Use a hammer drill with the appropriate drill bit. Use water or a lubricant to cool the bit as you drill. Rest from time to time, remove the drill, and spray the bit with coolant or water. Spray into the hole as you drill as well. It helps to have a second person for this task.. [pdf]

Down-the-hole drill slag removal video tutorial

A down-the-hole drill, usually called DTH by most professionals, is basically a screwed on the bottom of a . The fast hammer action breaks hard rock into small cuttings and dust that are evacuated by a fluid (air, water or ). The DTH hammer is one of the fastest ways to drill hard rock. The system is thought to have been invented independently by Stenuic. [pdf]

FAQS about Down-the-hole drill slag removal video tutorial

What is a down-the-hole drilling method?

The video shows the down-the-hole drilling method for very hard soil or rock. A rotary drilling rig, type LB 20, working with down-the-hole hammer inside a casing. A flushing current conveys the loosened drill cuttings upwards and exits at the upper end of the casing.

How does a down-the-hole drill work?

In down-the-hole drilling a drill rod is fitted with a hammer at its lower end. The hammer, which is mounted on the drill bit, is activated through the addition of compressed air and driven into the ground – simultaneously rotating and impacting. A flushing current collects the loosened drill cuttings and conveys them upwards.

What is down-the-hole (DTH) drilling?

Down-the-hole (DTH) drilling has made it easier for contractors to drill wells faster and more efficiently, and to transition from dirt boring to rock boring just by adding a compressor and hammer to the drill bit.

How do you drill a rock with a DTH hammer?

This method is mainly applied for hard to very hard rock and/or for penetrating large boulders. 1. Setting the DTH hammer with drill rod and casing on the drilling point. 2. Rotary and percussive drilling of the drill string under compressed air supply. 3. After reaching the final depth, unlocking of the drill rod with DTH hammer and pilot bit.

How does DTH drilling work?

With DTH drilling, contractors can change the drill that they were using for the current directional bore to a rock drill when they encounter rock by connecting the drill with a compressor and a steerable hammer. Well drilling also needed changes to be made to rotary drilling when the well needed to take a turn.

How does DTH hammer drilling work?

A flushing current conveys the loosened drill cuttings upwards and exits at the upper end of the casing. If you have any further questions, please contact our local sales or service team. DTH hammer drilling is a percussive drilling process powered by compressed air.