Two types of diamond drills have been active in the drilling industry - single and double. There are many types of drill bits derived from each type of drill bit. According to different geological conditions and exploration conditions, different types of drill bits should be selected, and the selection of drill bits is related to their own advantages and disadvantages. The following introduces the classification of single-tube diamond bits and the comparison of the advantages and disadvantages of various types of single-tube diamond bits.

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1. Classification of single-tube diamond drill bits

 

Domestically, the commonly used single-tube diamond bit is mainly used for coring drilling, which has a higher effective footage than the non-coring bit for full drilling. There are three main types of single-pipe drills: electroplated diamond drills, hot-pressed sintered diamond drills and diamond composite drills:

 

1. Electroplated diamond drill bit

 

When electroplating the diamond bit, the diamond is encapsulated in the nickel layer by electroplating to form the diamond matrix working layer. Taking the gold diamond electroplating bit as an example, the diamond is evenly arranged in the nickel layer through advanced oxygen-free electroplating. After 20 days of repeated electroplating and final out-of-trough inspection, only qualified drill bits can be finally circulated to the market.

 

2. Hot pressing sintered diamond drill

 

The types of hot-pressed sintered diamond drill bits are similar to those of electroplated drill bits, except that the method of inserting the diamond into the matrix is &#;&#;by hot-pressing sintering. At present, there are two formulas of hot-pressed drill bits on the market. One is represented by the golden drill bit factory. In the production process, high-grade diamond and tungsten carbide and other precious metals are uniformly mixed and then hot-pressed and sintered to form a metallurgical formula. The carcass is very outstanding in wear resistance, and at the same time, it will not slip when drilling into extremely hard rock layers; the other formula uses low-grade diamond and copper-nickel powder for hot-pressing sintering, which is relatively cheap, but its cost is low. Stability and wear resistance are low. 3. Diamond compact drill bit

 

There is a big difference between the diamond composite drill bit and the first two types of drill bits. It is composed of a diamond composite chip on the head and a rigid body. The composite chip is fixed on the rigid body teeth by high-frequency welding or flame welding. The drill bit is mainly The rock is scraped by the composite sheet to achieve the purpose of footage, and the footage method of the electroplated drill bit and the hot-pressed drill bit is cutting. Therefore, the main factor affecting the quality of the compact drill bit is the quality of the diamond compact. Although there are many types of compacts on the market, including helmet teeth, blade teeth, spherical teeth and triangular teeth, etc., the most widely used ones are Flat teeth have outstanding footage efficiency and wear resistance. The diamond layer and the alloy layer are the two major parts of the diamond composite sheet, and their quality and bonding method are the keys to determine the quality of the drill bit. The Golden Drill Bit Factory only uses the best diamond composite sheet in Asia - the Yellow River cyclone composite sheet, in addition to the footage efficiency In addition, the phenomenon of tooth chipping will not occur during use.

 

2. Comparison of advantages and disadvantages of single-tube diamond drill bits

 

The quality indicators of the diamond bit mainly include the drilling speed, the total footage of the bit and the consumption of diamond per unit footage.

 

1. Comparison of drilling speed

 

Because of the difference in the production process, the three types of drill bits are still very different in terms of drilling speed. Among them, the fastest drilling speed is definitely the electroplated diamond bit, followed by the hot-pressed sintered diamond bit, and finally the diamond compact bit. In particular, the electroplated drill bit can control the hardness of the drill bit by changing the electroplating process, and has a relatively wide range of drilling speed control; the hot-pressed drill bit uses tungsten carbide as the skeleton component, so its low carcass hardness can only be controlled at 10 About -15 degrees, it is far inferior to electroplating drill bits when drilling into extremely hard rock formations; the composite drill bit breaks the rock by scraping, so it can only drill into weathered or soft rock formations, generally drilling in openings Better footage efficiency for soft and broken rocks.

 

2. Comparison of head total footage

 

This parameter is greatly affected by rock properties. Generally, the wear resistance of hot-pressed drill bits is longer, followed by electroplated drill bits, and finally by composite drill bits. However, if it is to drill into broken formations, a 50-degree diamond bit or a diamond composite drill bit with a gold drill has a better price/performance ratio. It has a total footage of more than 50 meters, which is a great improvement over the 20-meter total footage of traditional composite drill bits.

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3. The consumption of diamond per unit footage

 

Under the premise of the same hardness of the carcass, the hot-pressing drill bit consumes the least amount of footage due to its high strength and good wear resistance. Not too high. The consumption of different carcass hardness of electroplating drills is different, generally in the range of 1-2mm/10m. The consumption of the diamond composite drill bit cannot be measured by height. Usually, the rigid body consumes the complete diamond composite chip and has a surplus, which is also the embodiment of the high-quality Yellow River composite chip used by the gold drill.

 

In my country, the sales volume of single-tube diamond drill bits is high every year, and there is huge room for development. Although the fierce competition has produced extremely low-priced drill bit products, the captains' pursuit of high-quality drill bits will not change, especially drill bits. When entering extremely hard granite/quartzite/volcanic rock/siliceous rock formations, cheap diamond drill bits cannot achieve high ROP with low-quality diamonds. It is recommended to use gold drill 6-8 degree electroplated single-tube drill bits.

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What are Diamond Core Drill Bits and Why should you use them?

 

Known as the most effective and efficient method of cutting tough materials, diamond core drill bits are widely used in tiling industry to drill holes in tiles. But what are diamond core drill bits and what are their advantages against other drill bits. Here are a few facts about diamond core bits.

What are diamond core drill bits:

Diamond core bits are drill bits that are welded with tiny particles of diamond, the toughest material known. As such these drill bits can cut through the hardest of tiles, including porcelain, ceramics, marble, granite and vitrified tiles.

The most common methods of manufacturing diamond drill bits are electroplating and vacuum brazing. Vacuumed brazed diamond bits are manufactured by welding diamond particles in a vacuum brazing furnace of extremely high temperature. Vacuum brazed diamond bits are more durable, retain its sharpness for a longer time and can cut through harder tiles.

All OTEC diamond core bits by Amark Group are made using the vacuum brazing method to provide tilers with the most durable tools for precision drilling of tiles.

What are the advantages of diamond core drill bits:

1. They can cut through the toughest of tiles: Diamond is the toughest materials out there. Compared to drill bits made from other materials, diamond drill bits can cut through tougher tiles like vitrified porcelain, granite and even concrete.

 

2. Less debris and dust: Due to its immense cutting strength, diamond drill bits can cut through tough materials with ease, therefore produce less debris and dust during its operation.

 

3. Diamond drill bits can be used with incredible speed tearing through everything from concrete to marble.

        At Amark our OTEC Diamond Core Drill Bits can be used at up to 11,000rpm.

 

4. Diamond Core Drill Bits make less noise: The speed and ease by which it can cut through strong materials means that diamond drill bits create much less noise during operation compared to other drill bits. Anything that can help reducing noise on a construction site is a big positive tick for us.

 

5. Cost effective: As diamond is used in the making of diamond core bits, they might seem more expensive compared to core bits made from other materials. However, the durability of diamond core bits outlasts others and make these tiling tools a lot more cost effective in the long run.

 

6. Good for the environment and for your health: minimal noise, minimal debris and dust make diamond core drill bits one of the most friendly drill bits for the environment and your health.

OTEC diamond core bits

At Amark Group, through many years of experience working with tilers and the tiling industry, we have developed a range of high quality OTEC diamond core bits:

• All our OTEC Diamond Core Bits are vacuum brazed to produce the toughest and highest quality core bits there are in the market.
• We have a large range of core bits, with sizes ranging from 5mm to 112mm. Either M14 or Hex adapters are available, so our OTEC core bits can be used in angle grinders or drills.
• OTEC Diamond Core Bits can be used at extremely fast speeds, up to 11,000rpm
• OTEC Diamond Core Bits also come in a set consisting of 7 x M14 Core bits in various sizes and 2 diamond milling bits, compact and easy to take to site, a perfect tool for any tiler.

For interested tilers, builders and contractors, you can buy our products from our distributors. Find the nearest one through our Stockist Search Page by typing in your suburb/postcode. The page will give you list of the nearest distributors in your area.

With Amark Group, you have easy access to the best products in the global tiling and stone cutting market. Download our buyers&#; guide and register to be one of our stockists today.

 

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