The Introduction of PCD PCD/PCBN,Drilling PDC,PDC for Drill Bit,PDC for Bolting Bits Henan Huanghe Whirlwind International Co., Ltd. , http://www.huangheindustry.com
The data show that from January to May 2013, China's cumulative automobile production was 9,077,200 units, an increase of 13.49% year-on-year, of which, 1.785 million vehicles were produced in May, a year-on-year increase of 13.52%, and a month-on-month decrease of 6.27%. From the perspective of various types of automobile production in May, the output of passenger vehicles was 1,141,700, which was an increase of 15,090 units from 1,268,800 units in the same period of last year, representing a year-on-year increase of 11.89%, accounting for 79.74% of the vehicle production in May; the output of commercial vehicles was It was 368,800 units, a year-on-year increase of 20.39%.
It is understood that from May to December 2012, China's auto output trend was relatively stable, basically maintained in the range of 1.3 million to 1.8 million vehicles, and the output did not fluctuate greatly. However, as far as car production in the first five months of the year is concerned, the "heartbeat" trend still exists, showing a significant increase from the previous month.
In the first quarter of this year, although China's auto production showed a relatively impetuous trend, but in terms of product output and the year-on-year growth of the first two months of the second quarter, the Chinese auto industry is still in a period of sustained growth. Some analysts believe that China's tire industry will usher in a favorable period dominated by demand, benefiting from a stable output growth in the automotive industry. However, technological upgrading, economic restructuring, and structural adjustment are still issues that cannot be avoided in the development of China's tire industry.
At this stage, the characteristics of the market's internationalization, high-end, and technology have become increasingly prominent. The downstream market under the market evolution and economic level has also put forward new requirements for tire products. This means that driven by internal and external factors, Tire products supported by traditional production methods and technologies have been insufficient to meet the effective demands of the market. Research and development of new technologies and new products have become an indispensable driving force for the development of China's tire industry.
The PCD (Polycrystalline diamond) is a composite material, consisting of sintered diamond particles with a metallic binder. Diamond is the hardest material in absolute terms and therefore also the most resistant to abrasion. Used as a cutting tool, it has a good wear resistance, and a yield superior to traditional sharp carbide. The machined surface roughness with the PCD can reach comparable to the adjustment.
Main applications
â–²Processing of non-ferrous
â–²Aluminum alloys with high or low silicon content (pistons, engine blocks engine, wheels, carburetors, connecting rods, gear boxes, cylinders for brakes, etc.).
â–²Bronze and copper alloys (copper manifolds, engine bearings, bushings, connecting rods eyes, locations pumps etc.).
â–²Tungsten carbide (trafilatori rollers and other components sintered etc).
â–²Pieces composed of aluminum and lead, aluminum engine blocks with cast iron pipes reported
â–²Processing of non-metallic materials
â–²Very abrasive materials, such as ceramics industrial uncooked.
â–²Some fired ceramic: zirconia aluminum oxide, such as spark plugs and insulators.
â–²Glass, plastics with glass fibers, carbon fibers.
The Introduction of PCBN
PCBN has the characteristics of high thermal stability, high hardness, high wear resistance and. It`s inert to iron family element, hence PCBN is mainly used for the machining of high hardness and hard processed ferrous materials, such as d facing alloys, harden steel, pearlitic gray cast iron, high temperature alloy, high-speed steel, hard facing alloys, Ni-Cr alloy, powder metallurgy metals.