The general bolt is: thread area, Screw area, nut area constitutes only a part of the thread area, and then there is no thread area, that is, the smooth rod. Single Head Stud,Full Thread Screw,Double End Stud,T-Shaped Coarse Teeth Handan Changlan fasteners manufacturing ,.Co ltd , https://www.hdchanglanjgj.com
The most influential Bauma China 2010 (the 5th Shanghai BMW International Construction Machinery Exhibition) in the global construction machinery industry was recently opened at the Shanghai New International Expo Center, and companies from the global construction machinery industry all appeared. At the exhibition, Chinese construction machinery companies have launched products containing the concepts of “technical innovationâ€, “environmental protection†and “remanufacturingâ€, which really feels the power of the rising Chinese construction machinery industry.
With the growing voice of environmental protection, energy saving and emission reduction has become an unavoidable problem in every industry. The construction machinery industry is no exception. Actively seeking change will be the main road for the future development of the industry. The main problems faced by China's construction machinery industry are as follows: First, the demand continues to rise, and high demand will inevitably lead to high consumption. Whether it is energy, steel, or other needs, it will consume more to some extent. Resources, if they can not effectively use resources, will cause great waste.
Secondly, considering the environmental issues, the traditional products are far from meeting the air quality requirements at this stage. Although there is no environmental tax and carbon tax, the traditional products are not enough to support the future development of the entire industry. For long-term sustainable development, only continuous technological upgrading and reform and innovation, environmental protection will be an indispensable factor in the future construction machinery industry; once again, relevant industry standards and standards should be formulated as soon as possible in line with international standards, which will help strengthen The international competitiveness of China's construction machinery products.
According to the “2010-2015 China Machinery Industry Investment Analysis and Forecast Reportâ€, the remanufactured products in the machinery industry are 60% more energy efficient than the new ones, and an average of 70% of the components are reusable during the manufacturing process. It can save more than 80% of energy consumption, the average price is only 30% to 40% of new products, and the cost is actually less than 50%. It is expected that the carbon tax and environmental protection tax will be levied during the 12th Five-Year Plan period, which will be a major challenge for the construction machinery industry.
The role of engineering emission reduction in the construction machinery industry is very limited. On the contrary, structural emission reduction is the bulk of the construction machinery industry. Similarly, the pressure on structural emission reduction is even greater. Under such circumstances, any link may become an important part of energy conservation and emission reduction. These links are not only limited to the utilization of source materials, but more have been extended to the recycling of resources. Domestic enterprises should seize energy conservation as soon as possible. Environmental opportunities, create value and enhance the competitiveness of the entire product.
Full thread: that is, a bolt without a rod is threaded from head to foot except the head.
Parts of ordinary bolt thread thread screw is common not only half or more than half from head to foot Force is very large, because many fittings and half part of the thread on the outer edge of the integration of a workpiece, the use of smooth level off without the stress of the inside part, grain can improve the mechanical strength of the bolt, can withstand greater tension.
Chinese construction machinery companies have launched products containing the concepts of “technical innovationâ€, “environmental protection†and “remanufacturingâ€, which really feels the power of the rising Chinese construction machinery industry.