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Informatization will become the only way for small and medium-sized enterprises to improve their competitiveness

Informatization will become the only way for small and medium-sized enterprises to improve their competitiveness

Technological innovation is the key to core competitiveness. Digital China has built a strong IT R&D and operation team, with nearly 2000 software R&D personnel, and is the chairman of the "Changfeng Alliance Internet Information Service Industry Promotion Working Group" of the Ministry of Science and Technology. In a real sense, it has put forward a SaaS service system with Chinese characteristics, and built standards and specifications suitable for China's IT service operation with SPS as the core. In terms of ICT infrastructure, Digital China has established professional data centers in Beijing, Guangzhou, Suzhou and other places, realized the interconnection of North-South Telecom, built a highly secure and reliable network environment, and has more than 3000 operating equipment; Through the establishment of joint laboratories with NetApp, HP and other companies, computing pooling and storage pooling have been realized; In the field of e-commerce, we have pioneered the development of an e-commerce platform with on-demand services and personalized services. It has applied for more than ten technical patents and has become a pilot enterprise of patent engine in Beijing. The Group believes that in the information era of economic globalization, informatization will become the only way for small and medium-sized enterprises to improve their competitiveness, and e-commerce will become the key path for enterprises to realize informatization. Therefore, the Group will continue to focus on promoting the e-commerce and informatization process of small and medium-sized enterprises in China, continue to innovate, continue to provide more and better services, build intelligent Chinese enterprises, and achieve smart entrepreneurs!

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We will continue to innovate, provide more and better services, build intelligent Chinese enterprises and become smart entrepreneurs!

We will continue to innovate, provide more and better services, build intelligent Chinese enterprises and become smart entrepreneurs!

Technological innovation is the key to core competitiveness. Digital China has built a strong IT R&D and operation team, with nearly 2000 software R&D personnel, and is the chairman of the "Changfeng Alliance Internet Information Service Industry Promotion Working Group" of the Ministry of Science and Technology. In a real sense, it has put forward a SaaS service system with Chinese characteristics, and built standards and specifications suitable for China's IT service operation with SPS as the core. In terms of ICT infrastructure, Digital China has established professional data centers in Beijing, Guangzhou, Suzhou and other places, realized the interconnection of North-South Telecom, built a highly secure and reliable network environment, and has more than 3000 operating equipment; Through the establishment of joint laboratories with NetApp, HP and other companies, computing pooling and storage pooling have been realized; In the field of e-commerce, we have pioneered the development of an e-commerce platform with on-demand services and personalized services. It has applied for more than ten technical patents and has become a pilot enterprise of patent engine in Beijing. The Group believes that in the information era of economic globalization, informatization will become the only way for small and medium-sized enterprises to improve their competitiveness, and e-commerce will become the key path for enterprises to realize informatization. Therefore, the Group will continue to focus on promoting the e-commerce and informatization process of small and medium-sized enterprises in China, continue to innovate, continue to provide more and better services, build intelligent Chinese enterprises, and achieve smart entrepreneurs!

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The 16th China International Machine Tool Exhibition

The 16th China International Machine Tool Exhibition

China CNC Machine Tool Exhibition (CCMT) was founded in Shanghai in 2000 and has been successfully held for ten consecutive times. Seven sessions were held in Shanghai, one in Beijing and two in Nanjing. In order to promote the long-term development of the exhibition and provide a broader display platform for exhibitors, from 2014, the head teacher of the China CNC Machine Tool Exhibition returned to its birthplace - Shanghai, and will be permanently rooted in Shanghai, forming a south-north pattern with the China International Machine Tool Exhibition (CIMT) held in Beijing, and achieving synchronous development as a sister exhibition of CIMT. Since 2016, CCMT has undergone a new upgrade. It has made comprehensive improvement and upgrading in terms of internationalization, professionalization and informatization in order to continuously build an upgraded high-end international exhibition and win the trust of the world's top exhibitors and professional audiences with better services. The 10th China CNC Machine Tool Exhibition (CCMT2018), held in April 2018, was attended by 1233 exhibitors from 23 countries and regions, with an exhibition area of 120000 square meters, of which the number and exhibition area of foreign enterprises accounted for 42.7%. A total of machine tool associations and trade promotion institutions from 10 countries and regions, including Germany, the United States, Switzerland, Italy, and South Korea, participated in the exhibition. The total number of visitors reached 126000, an increase of 19.7% year on year; The total number of visitors reached 171000, up 17.5% year on year.

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April 2019 Beijing Machine Tool Exhibition

Photo of Beijing Machine Tool Exhibition in April 2019

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Chongqing Lijia Machine Tool Exhibition in May 2019

Chongqing Lijia Machine Tool Exhibition in May 2019

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Zhangjiagang Seminar on High-precision Gear in June 2020

Zhangjiagang Seminar on High-precision Gear in June 2020

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About the tap

As a common tool for processing internal thread, tap can be divided into spiral groove tap, edge angle tap, straight groove tap and pipe thread tap according to the shape, hand tap and machine tap according to the use environment, metric tap, American tap and British tap according to the specification. Are you familiar with them? 01 Tap classification (1) Cutting tap 1) Straight groove tap: used for the processing of through hole and blind hole. Iron chips exist in the tap groove, and the processed thread quality is not high. It is more often used for the processing of short chip materials, such as gray cast iron. 2) Spiral groove tap: used for blind hole processing with hole depth less than or equal to 3D, iron chips are discharged along the spiral groove, and the thread surface quality is high. 10~20 ° spiral angle tap can process thread depth less than or equal to 2D; 28~40 ° spiral angle tap can process thread depth less than or equal to 3D; 50 ° spiral angle tap can process thread depth less than or equal to 3.5D (special working condition 4D). In some cases (hard materials, large pitch, etc.), in order to obtain better tooth tip strength, spiral groove tap will be used to process through hole. 3) Screw tap: usually only used for through-hole, with a length-diameter ratio of up to 3D~3.5D, iron chips discharged downward, low cutting torque, and high surface quality of the processed thread, also known as edge angle tap or tip tap. During cutting, it is necessary to ensure that all cutting parts are penetrated, otherwise tooth collapse will occur.

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How to select different grinding wheels according to the workpiece hardness?

How to select different grinding wheels according to the workpiece hardness?

There are many kinds of grinding wheels with various shapes and sizes. Due to the different abrasive materials, bonding materials and manufacturing processes of grinding wheels, various grinding wheels have different working performance. Each kind of grinding wheel has a certain scope of application according to its own characteristics. Therefore, when grinding, appropriate grinding wheels must be selected according to the specific conditions (such as material properties of the workpiece to be ground, heat treatment method, workpiece shape, size, processing form and technical requirements, etc.). Otherwise, the improper selection of grinding wheel will directly affect the machining accuracy, surface roughness and production efficiency. Now let's talk about how to choose grinding wheel by combining sharp corundum with abrasive: 1. When grinding materials with high tensile strength, select abrasive with high toughness. 2. When grinding materials with low hardness and high elongation, select brittle abrasive. 3. When grinding materials with high hardness, choose abrasive with higher hardness. 4. Select abrasives that are not easy to be processed by chemical reaction.

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