Cummins Connected Diagnostics
TM was awarded the world's largest enterprise growth consulting company Frost & Sullivan 2017 North American Outstanding Customer Value Leadership Award in the "Outstanding Customer Service Award." This remote diagnostic intelligent product is always escorted by remote monitoring of the engine. Once the vehicle malfunctions, it can be connected remotely.
Cummins Telematics Products Receive Outstanding Customer Service Award
According to Frost & Sullivan senior researcher Gokulnath Raghavan, “We have found that Cummins' smart service also drives the sales of engines. Some teams have deliberately postponed the truck procurement program to wait for engines with remote diagnostic capabilities, and Cummins remote intelligent technology products. Reduce total operating costs by reducing failure rates and reducing fuel consumption."
The current engine remote diagnosis function has been implemented in China and has begun to cooperate with leading vehicle manufacturers and car networking service providers. As the cooperation continues to deepen, Cummins' digital products will bring more intelligent and convenient vehicles to users. Experience.
Cummins Remote Intelligent Technology Products
Cummins has been conducting data analysis business in the Chinese market for many years, through the value integration with partners such as OEMs and car networking to jointly develop more markets. In 2011, Cummins Tianyuan Company was established to specialize in research and development of vehicle networking systems, including Cummins C. A complete set of advanced teleservice products, including -link, can collect relevant data from the engine's electronic control module and based on this data, develop customized solutions for customers to meet their needs.
Customers are looking for more convenient, more responsive, real-time updates of information, making products safer, more efficient, and more convenient to use. Cummins has provided remote service systems for multiple markets over the years, but the potential for digitalization goes far beyond car networking systems and continues to grow at a higher rate. Recognizing this, Cummins set up the Digital Accelerators Division in May 2017 to accelerate innovation and put ideas into commercial practice in the quickest and most efficient way. (This article comes from Cummins)
Related news: Cummins Customer Service Remote Intelligence
Tungsten Carbide Roller
Tungsten carbide roller has characteristics of good wear resistance, high temperature red hardness, thermal fatigue resistance and thermal conductivity and high strength , have been widely used in high-speed wire rod, bar, rebar, seamless steel tubes, etc. Domestic production of tungsten carbide roller materials mostly WC- Co, WC- Co- Ni- Cr two series, and the content of Co, Co- Ni - Cr is in the range of 6wt% ~ 30wt%. From the use of perspective, tungsten carbide rollers has good mechanical properties, its flexural strength up to 2200 MPa or more, shock toughness up (4 ~ 6) × 10^6 J/ m^2, Rockwell hardness (HRA) is up to 78 to 90, widely in the high-speed wire rod rolling process, which is much higher than single-slot chilled cast steel or high speed steel rolls.Tungsten carbide is made of Tungsten Carbide Powder and binder phase (such as drilling, nickel, etc.), and then pressing and sintering, regardless of the conditions under cold rolled or hot rolled has excellent wear resistance, tungsten carbide rollers has been widely used in pre-finishing mill and finishing of high-speed wire rod currently. On the performance of tungsten carbide roller in hot-rolling wire rod , the material must meet the following requirements:
1. Sufficient anti-fracture strength;
2. Good abrasion resistance;
3. The smooth surface finish;
4. Excellent corrosion resistance, thermal fatigue, thermal cracking performance.
Tungsten carbide roller rings can working in bad conditions , small profile rolling (especially rebar rolling) process conditions is harsher than the high-speed wire rod, and therefore corresponds to the profile rolling ,tungsten carbide rollers recommend using high binder phase carbide.
Tungsten carbide roller material design
Pre-finishing all vehicles roller should ensure its high toughness, strength, rigidity and thermal conductivity, followed before considering its wear resistance. When designing each vehicles roller, pre-finishing materials should choose carbide grades of Co, Co- Ni- Cr binder content is high (greater than or equal to 25wt%) , requiring an average WC grain size of coarse (5μm ~ 6μm), to obtain a higher shock toughness, proper strength and hardness. For the finishing of the roller movements, particularly the last two rollers of the finish rolling, which suffered load is small, and high relative velocity of the material to be pressed (80 m / min ~ 120 m / min). In this case, the wear resistance of the roller to be the most important requirements, and must ensure the strength , timpact toughness and hardness of a reasonable match, so the binder of Co / Ni content ratio and the average grain WC control of particle size and other factors must have greater control in front of different pre-finishing rolling roll.
Tungsten carbide roller category
According to the structure of tungsten carbide rollers, it can be divided into solid tungsten carbide roller and composite tungsten carbide roller. Solid tungsten carbide rollers have been widely used in pre-finishing and finishing stands high speed wire rod mill (including fixed reducing the rack, pinch roller rack). Composite tungsten carbide roller is made of cemented carbide and other materials, and it can be divided into tungsten carbide composite roll rings and solid tungsten carbide composite roller. Tungsten carbide composite roll rings mounted on the roller shaft; solid tungsten carbide composite roller will be directly cast in the roll axis to form a whole, a large load is applied to the rolling mill.
Tungsten carbide roller production process control
Tungsten carbide rollers produced by powder metallurgy method, the key to its process control is the chemical composition of the material and the mixture was prepared, pressed molding, sintering and deep processing and other preparation process parameters.
1. Preparation of starting material (WC focus quality): As the WC raw material and quality control of the use of different levels of quality may fluctuate, resulting in adverse effects on microstructure.
2. Preparation of the mixture: Mixture preparation is the key to the production process of the roller, the roller of failure modes - trachoma, mainly generated by this procedure.
3. Pressing: roller pressing is an important process of the roller mill.
4. Sintering: roller sintering is to determine the final quality of the roller production processes, use of advanced low-pressure sintering technology, HIP sintering technology can greatly improve the performance of roller.
5. Deep processing: deep processing rollers have a greater impact on the quality and accuracy of the roller surface.
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