According to the European version of "Automotive News" reported on June 6, European CO2 emission standards are becoming more and more strict, which has become a headache for auto designers.

“In the past 5 to 10 years, our car designers have encountered many difficulties,” Opel Vauxhall Design Director Mark Adams pointed out at the European Automotive News Annual Conference in Brussels, “This includes improving aerodynamics. Learning to reduce the weight of the car body and make the vehicle meet the increasingly stringent emission standards of the EU. Not only that, but also to meet the strict standards of pedestrian protection in the EU is also a great challenge."

However, the increasingly strict standards did not make Adams frustrated. Instead, he asked his team members to learn more about Formula One racing examples. In racing, in order to reduce the speed of the car, the rules will always change. But savvy engineers are always able to find ways to improve the car, so that the car continues to return to or even exceed the original speed. Adams wants his team to be equally optimistic and positive in the face of changing regulations.

He also used the Monza concept car as an example to illustrate that Opel hopes to use innovative thinking to achieve those strict standards without losing the aesthetic sense of design. “The Monza concept car is currently ahead of the world's cars for six or seven years. The first Monza model cars will meet the public within a few years,” Aadams said. “I will do my best to make Monza mass-produced.”

Opel CEO Karl-Thomas Neumann told Automotive News earlier this week that Opel plans to become Europe's second-largest automaker by 2022. The first is the Volkswagen Group, and the second is the French Peugeot Citroen. In order to reach the goal of Europe's second-largest automaker, Opel will release 27 new and improved models and 17 new and improved engines during the four years from 2014 to 2018.

Adams said that Opel's existing three models represent Opel's three brand concepts: the mid-size car Insignia stands for "quality"; the three-door compact Astra GTC sedan stands for "sports sense"; the mini-car Adam represents "personality." Each of Opel's models has these three characteristics.

“Opel's design philosophy has been extended to other GM brands, especially Buick. Buick already has many products that are closely related to Opel in terms of mechanical devices,” Adams said. “We have integrated the “sports sense” design concept. Buick, it turns out that the effect is very good."

Ni Kaiming said that in the near future, Opel and Buick will work more closely together to jointly undertake research and development costs.

Aamds said that the promotion of precision, reliability and quality, the design concept will become the key to Opel's profitability before 2016, and will become an important part of German values.

“Inspiring designs require driving innovations that require practical innovation. These are what consumers value,” Adams said.

Drilling Bit

WHAT ARE TRICONE DRILL BITS USED FOR?

Tricone bits, first created during the Great Depression, represented a significant leap forward in drilling technology. Tricone drill bits are the go-to solution for almost any well digging, from everything to simple water wells to industrial scale oil extraction. Tricone bits come in several different varieties, and can deal with a wide range of different rock formations. Most tricone bits are either Mill Tooth bits, or TCI bits (TCI stands for Tugnsten Carbide Insert), and there is an ideal tricone bit for soft, medium, or hard rock formations. It is important to know the type of formation you are drilling in when selecting a drill bit.

TRICONE DRILL BITS FOR SOFT ROCK FORMATIONS

Soft rock formations consist mainly of sand, clay, limestone or shale and are ideal for drilling with Mill Tooth Tricone bits. When working with soft formations you can use either sealed bearing or open bearing mill tooth tricone bits, depending on the scope and duration of your project. Sealed bearing tricone bits are longer lasting, but generally more expensive due to the precision work required to protect the bearings. Open bearing bits, on the other hand, are not as well protected and will wear out more quickly, however they are cheaper to manufacture. Tricone bits designed for soft rock generally have longer protruding teeth, [A" shaped teeth, or chisel shaped buttons. In all cases the teeth will be more widely spaced for tricone bits that are designed with soft formations in mind.

TRICONE BITS FOR MEDIUM ROCK FORMATIONS

If you`re drilling in calcites, dolomites, hard limestones, and some hard shale you`ll need a tricone bit designed for medium rock formations. You may want a TCI Tricone bit. To better understand why tungsten carbide is ideal it`s useful to know about its properties. First discovered in 1927, Tungsten carbide is an exceptionally strong and hard material, this allows it to withstand higher speeds for more rapid drilling. Additionally tricone TCI bits are much more capable at absorbing the significant amounts of heat generated without damaging the tricone drill bit. Medium formation bits have teeth that are far closer together than what you see with soft formation drill bits. Additionally the teeth are less protruding, although they may still come in a similar range of shapes.

TRICONE BITS FOR HARD ROCK FORMATIONS

Hard rock formations are hard and abrasive formations usually made up of hard shale, calcites, mudstones, chert, pyrite, granite, quartzite, and cherty lime stones. The difficulties of drilling in this material make a TCI tricone bit all but mandatory. The exceptional hardness and strength of TCI [buttons" for the drill bits allow them to endure very difficult drilling conditions. As with all tricone bits there is an option between sealed bearing and open bearing. Sealed bearing bits are considerably more protected from wear and tear and therefore suitable for much more use before being replaced. Gauge protection can also significantly increase the lifespan of a tricone drill bit. Bits designed for hard formations continue the trend of less protruding teeth placed closer together. The teeth will be very short and placed very closely together. This results in a much slower drilling speed than you would get with medium or soft formation drill bits, however if you are drilling through hard rock strata you don`t have much choice.

TRICONE BITS ARE IDEAL FOR SOFT, MEDIUM, AND HARD FORMATIONS.

Hopefully the above information has given you an idea of which tricone bit is ideal for the various rock formations you may have to contend with. For particularly advanced or ambitious projects you will want to carefully consider the type of tooth, additional kinds of seals, the importance of gauge protection, and estimated duration of the project in addition to the rock formation.

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