The following is the general framework of a college graduation thesis on deep hole tresting system technology: ** Title: Research on the Deep Hole Tresting System by Electric Spark ** ** abstract **: This paper explains the development of electrical discharge processing technology and its significance in deep hole nesting processing. It is emphasized that the electrical discharge processing has the advantages of simple manufacturing of the pole, small macro force between the pole and the work piece, and good maneuverability, so it has great application potential in deep hole nesting processing. This paper briefly introduced the research content of the deep hole nesting system, including the hardware, software and the development of the numerical control program. ** I. Introduction ** (I) Research background This paper introduced the demand of modern manufacturing industry for deep-hole nesting processing. For example, in the fields of aerospace and auto manufacturing, the importance of high-precision deep-hole nesting processing is becoming more and more prominent. At the same time, the potential of electrical discharge processing technology to meet these needs was mentioned. (II) Research Purpose and Meaning The purpose of the research on the deep hole tresting system was described, such as improving the processing efficiency, precision, and reducing the cost, and its significance in industrial production was explained. ** II. Description of the deep hole nesting system ** (I) System composition 1. hardware part - The functions and characteristics of the main components of the machine tool, such as the functions and characteristics of the working fluid circulation system and power supply, were described in detail. - The execution components in the control system (such as the direct current servo-motor, stepping motor, etc.) and their functions were described. 2. software part - The structure of the numerical control program was introduced, including the functions of the upper computer operation management editing module and the real-time control module of the motion control card. - Explain the control logic of the software in the entire processing process, such as how to adjust the processing parameters according to the processing requirements. (II) Working Principle 1. Basic principles of electrical discharge processing - It explained the principle of using metal wires to melt and vaporize the metal surface through positive and negative pulse discharge to achieve cutting. - Explain the discharge process between the electrode-part and its effect on material removal. 2. Special requirements for deep hole nesting processing - The special requirements of deep hole processing (deep to diameter ratio) on the electrical discharge processing system were analyzed, such as the difficulty of chip removal and heat dissipation. ** 3. Research on key technologies ** (I) Electrode-vibration feed control technology 1. technical principle - Explain in detail the principle of the vibrating feed of the rod, including how to improve the processing effect through vibration, such as increasing the processing efficiency and reducing the wear and tear of the rod. 2. control method - It was described how the numerical control program could precisely control the vibration feed of the electric rod, such as adjusting the pulse parameters (peak current, open circuit voltage, pulse width, pulse interval, etc.) to control the vibration frequency and amplitude of the electric rod. (2) Chip removal and heat dissipation during processing 1. Chip removal technology - The reasons why the chips were not easy to be discharged in deep-hole nesting were analyzed, such as the depth of the hole and the long route of the chips. - The methods to solve the chip removal problem were introduced, such as the optimization of the working fluid circulation system and the use of the flow of the working fluid to carry the chips out. 2. heat dissipation technology - Explain the reason why the chip heat is not easy to spread in deep hole processing, such as the low heat dissipation ratio of the tool. - It also explained what kind of heat dissipation measures should be used, such as improving the cooling performance of the working fluid by improving the processing parameters. (3) Precise processing control technology 1. The factors that affect the processing accuracy - This paper analyzed the factors that would affect the processing accuracy in the deep hole nesting process, such as the wear of the electric discharge, the stability of the discharge gap, and the uneven material of the work piece. 2. precision control measures - In view of the above influencing factors, the precision control measures taken were described, such as real-time monitoring of the loss of the pole and compensation, stabilizing the discharge gap, etc. ** 4. System performance testing and analysis ** (I) Test Method 1. This paper introduced the method of testing the performance of the deep hole nesting system, such as using specific test parts and processing parameters to measure the size accuracy and surface toughness after processing. 2. Explain the testing equipment used and its accuracy requirements. (II) Analysis of Test Results 1. The test results of the processing accuracy were analyzed, such as whether it met the design requirements and what advantages it had compared to the traditional processing methods. 2. The test results of the processing efficiency were analyzed, including the analysis of the feed rate of the electric rod and the material removal rate. 3. According to the test results, the problems in the system were summarized and the improvement direction was proposed. ** 5. conclusion and outlook ** (I) The conclusion 1. This paper summarized the research results of the deep hole nesting system, including the realization of key technologies and the improvement of system performance. 2. The significance of this research in improving the quality and efficiency of deep-hole nesting was emphasized. (II) Future 1. The future development trend of the deep hole tresting system technology was predicted, such as the opportunities and challenges that the technology might face with the emergence of new materials and new processes. 2. The research directions that could be further explored in the follow-up research were proposed, such as further improving the processing accuracy and reducing the processing cost. Please note that the framework of the thesis is only for reference. In the actual writing process, it needs to be elaborated and improved based on more in-depth research and more experimental data. Read more exciting novels for free
" Dark Night Waltz " was a web novel created by Coralinelyx and published on Qidian. The story was set in a world full of luxury but hidden evil. After the protagonist's family declined, her life was completely changed by the appearance of a Western man. She found herself in the vampire world because she had drunk a cup of cursed blood. She had to make a choice between revenge and murder. The first few chapters might be a little dull and off-topic, but the following plot would be more exciting. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
In Xiaoshan, if the camera was still under the guarantee period, you could contact an authorized repair center or send the camera back to the original place of purchase for repair. The only official repair point in Hangzhou was probably Wenhui Road. Xiaoshan might not have one. They were all nearby. You can also go to the official website of the company in China and find the "Service Network Search" page on the homepage. After entering, there is a "Please select the product type first" page. After confirming the "digital image" category, the next step will be a national map. Enter the province, and there will be the address and contact number of the special repair station. In addition, there were also some places that could provide repair services, such as the Nikon Special Repair Store in Hangzhou (Hangzhou Hengyang Technology Co., Ltd., No. 145 Wenhui Road, Xiacheng District, tel - 85452247), and the Hangzhou Special Repair Station for Sony-home electronics (No. 38 - 42 Wenhui Road). Xiaoshan also had digital repair services that could be used throughout Hangzhou, including digital camera repair. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The reference material did not mention the finale of " The Six Treasures from Heaven, Shen Xiaoxiao and Gu Tingxiao." Sorry, I don't know how to answer based on the information I found. The original novel of the TV series " The Unique Empress of Generals " was called " The Rebirth of the Poisonous Empress of Generals." The original plot was equally exciting. You can click on the link below to read the original novel.
The following are some of the related plots in novels where the female lead is a goddess and the male lead is a god: In one story, she was the Goddess Luo Li and he was the Divine Lord Jiu Tian. They used to be a celestial couple recognized by immortals, demons, and devils. They had been together for 40,000 years in the East Barren Territory, but he had ascended to immortality to seal the extreme of heaven and earth. In order to see him again, she was willing to be punished by the heavens. She stole the Heaven Suppressing Mirror and came to the ancient times for twenty thousand years. At this time, she still had deep feelings for him, but he had become a demon and had a heart. In this life, she was willing to seal the extreme of heaven and earth for him, hoping that he would be happy and healthy. There was another story. In the first life, she was the Goddess of Lingxue of the Nine Skies, and he was the high and mighty Lord Zi Li. She followed her sister and ruined her life when she first met him. She did not regret it when she met him on the Qingyun Platform. In the second life, he was still Lord Zi Li, and she was the little snow lotus at the top of Kunlun Mountain. After she was struck by the heavenly lightning, he brought her back to the Heavenly Court out of guilt and pity. The two of them had a deep relationship, and he was ultimately consigned to eternal damnation for her. In his third life, he descended to the mortal world to transcend the Love Tribulation and became the Crown Prince of the Ling Country, Ling Chen Li. She was the folk doctor Xue Lingmeng. After the two met, she saved him. They got along and fell in love. When the Ling Country was in danger, he said that he would come back to marry her. Later, when he became the King of the Ling Country, he found that she was poisoned. He married her and followed her. When he was the Demon Lord Yun Han, he still cared about her. In addition, there was a plot that mentioned that Goddess Luo Hua and Divine Lord Yunzhe were engaged in heaven. However, Divine Lord Yunzhe had a falling out with Goddess Luo Hua because of a little fairy. The little fairy looked similar to Goddess Luo Hua, so Divine Lord Yunzhe first fell in love with the little fairy for no reason. When Goddess Luo Hua returned, it triggered a series of stories. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
To set the length, width, and pixelation of a photo in Photoshop, you can follow the following steps: click "Image" in the menu bar, and then click "Image size." In the "Image size" dialog box that popped up, enter the desired width and height values (the values here are the pixelation values). At the same time, you can check the "Constrain ratio" option, so that the width and height will change according to the ratio during adjustment. If you don't want to restrict the ratio, you can disable the link symbol. After the adjustment was completed, click the "Save As" button and select the format of the image to save the adjusted image. You can also press the shortcut key [Alt+Ctrl+I] to open the image size option. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The chemicals in the flea medicine can be absorbed through the skin and have a certain degree of toxicity. Flea medicine often contained poisons, such as organic phosphorus, permethrin, etc. These substances could effectively kill fleas, but they were also harmful to the human body. Long-term contact or accidental consumption could lead to poisoning symptoms, and in serious cases, it could even be life-threatening. If used excessively, it could also cause death. Pyrethroids were also toxic to pets. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
"Heavenly Lady" was a martial arts cultivation novel. The main character was a blue-haired, blue-eyed young girl who was the young master of a large sect. A problem with the sect made her have the cultivation of no less than half an Immortal Emperor. The author was the Heart of the Heavenly Spirit (Yang Li/Situ Jun). His work was currently being serialized. It was originally based on the theme of "Hooligan Celestial Venerable" and was later written by him. If you like wuxia and cultivation novels, this work might suit your taste. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The following were some ancient novels in which the male and female protagonists borrowed the plot: "Cousin is cowardly and sweet,""My White Lotus character can't be lost (through the book)," Your son-in-law under the list,"" Eternal Moon,"" Four Seasons Sweet Courtyard,"" The Bright Moon Reflects Lotus,"" Heart's Heart,"Cousin is sick every day,""Rong's Chu Yu,""Huai Jiao," He misses the bright moon,"A Paper Marriage Contract," Zhao Zhao Ming Yue, and so on. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Tushan Family was the wife of the legendary Great Yu. Dayu came to Jiangzhou (present-day Chongqing City) to control the flood and married Tushan. Soon after the marriage, Dayu bid farewell to his wife and went out to control the flood. Because Tushan missed her husband, she often went to the bank of the Yangtze River at the foot of the mountain to wait for Dayu to come home and cried endlessly. It was said that she had been standing by the river for a long time and turned into a stone, which was the "Returning Stone"(Hugui Stone) opposite Chaotian Gate. In order to commemorate her and Yu the Great, people built temples on Tushan. For example, the ancients built the Temple of King Yu to commemorate Yu's achievements in controlling the flood, followed by the Temple of King Yu and Zhenwu Temple. During the Ming and Qing Dynasties, these buildings merged or evolved into the Temple of Tushan. While waiting for the TV series, you can also click on the link below to read the original work of "Little Fox Demon Matchmaker" to understand the plot in advance!
According to the available reference materials, they could only know that Chen Feiyu had a new drama," Eating, Running, and Love," which was available in the news channel, as well as the ancient Xianxia drama," Offering Fish," which had already started filming. It was impossible to determine which drama he was currently filming. While waiting for the TV series, he could also read the exciting content related to this site!