Negotiable

Category:

Company: 郑州观潮文化传播有限公司

Product Description: more>

$面议

Category: Chemicals/Chemical Intermediates/Intermediate Compounds

Company: 广州蚂蚁快跑科技有限公司

Product Description: Pull-Up AI Smart Examiner is a system or device that utilizes artificial intelligence technology to assist in pull-up assessments. This system integrates advanced technologies such as visual recognition, skeletal computation, and big data analysis to analyze the examinee's movement trajectory and posture in real-time, enabling precise judgment and scoring of pull-up actions.How It WorksThe Pull-Up AI Smart Examiner captures the examinee's movement video through a camera and uses AI technologies like deep learning to analyze the images frame by frame. The system detects the examinee's posture, movement trajectory, joint positions, and compares them with preset standard movements. If the examinee's actions meet the standards (e.g., chin over the bar during ascent, arms fully extended), the system automatically counts the repetition and displays the score on the screen. If the movements are non-standard, the system provides feedback via voice or text to indicate areas for improvement.Advantages and Features1. Fair and Impartial: The Pull-Up AI Smart Examiner eliminates errors caused by human factors, ensuring fairness and impartiality in assessments.2. Efficient and Accurate: The system analyzes the examinee's movements in real-time, quickly providing results, thereby improving the efficiency and accuracy of assessments.3. Real-Time Feedback: The system offers immediate feedback on the examinee's movements, helping them adjust their actions promptly to enhance training effectiveness.4. Data Analysis: The system records and stores assessment data, providing a basis for subsequent data analysis and training guidance.5. Intelligent Teaching: Through the application of AI technology, the system can offer personalized training suggestions and guidance based on the examinee's movement data, enabling intelligent teaching.Application ScenariosThe Pull-Up AI Smart Examiner is widely used in scenarios such as physical education entrance exams, fitness training, and gym clubs. In physical education entrance exams, it helps examiners more accurately evaluate examinees' pull-up performance. In fitness training and gym clubs, it serves as an auxiliary tool to help trainees better master pull-up techniques and improve training outcomes.The Pull-Up AI Smart Examiner is an advanced assessment system that provides a fair, impartial, efficient, and accurate solution for pull-up assessments. With continuous technological development and progress, it is expected to have broader applications and development prospects in the future. more>

$面议

Category: Others

Company: 广州蚂蚁快跑科技有限公司

Product Description: The Sit-up AI Intelligent Examiner is a system or device that utilizes artificial intelligence technology to assist in sit-up assessments. It integrates technologies such as visual recognition, skeletal computation, and big data analysis to achieve precise judgment and scoring of the examinee's movements.During the test, the Sit-up AI Intelligent Examiner synchronously captures the examination video through a camera and uses AI technology to analyze the examinee's movement trajectory and posture in real time. If the examinee's movements meet the standards (e.g., correctly lifting the upper body and touching the designated position), the system automatically counts and displays the score on the screen.If the movements are non-standard, the system will provide voice or text prompts to indicate areas for improvement. The advantages of the Sit-up AI Intelligent Examiner lie in its fairness and efficiency. By employing advanced technological methods, the system can accurately determine whether the examinee's movements are standard, avoiding potential errors caused by human factors.At the same time, the system can automatically score and record data, enhancing the efficiency and accuracy of the assessment. Additionally, the Sit-up AI Intelligent Examiner also includes other features, such as real-time feedback and data analysis. The system can analyze the examinee's movement data to provide personalized training suggestions and guidance. It can also save examination data to the cloud or a database for subsequent data analysis and queries. more>

$1250

Category: Others

Company: 河南庆琪恒装备有限公司

Product Description: 1.帐篷样式：帐篷为长方形双坡面直墙建筑样式，开门山墙上开三角窗一个；开窗山墙开三角窗一个，方形窗一个，两侧墙各开方形窗户两个。侧墙可支起成阳蓬，整体帐篷通过拉绳拉起，用三角桩加固。篷架为折叠式框架结构，柱底四周全部设有落地横杆。2.产品规格：帐篷长3.7米、宽3.2米、顶高2.67米、边高1.75米；使用面积12m²。3.帐篷主要材料：（1）面料为666dtex涤纶丝PVC涂层布，天蓝色；（2）通用杆、地杆、立杆采用28mm*1.2mm焊接钢管；（3）三通、四通等连接管件采用28mm*1.0mm焊接钢管；(4)阳蓬杆Q235 19mm*1.0mm焊接钢管。（5）角钢：30mm*30mm*3mm4.性能：防雨、防潮、防寒、保暖、挡风、遮阳。5.包装：篷体、配件内包装用同样的篷布料缝制包装袋，把篷体、配件装在一起；篷杆单独包装。 more>

$面议

Category: Chemicals/Chemical Intermediates/Intermediate Compounds

Company: 广州蚂蚁快跑科技有限公司

Product Description: Push-up AI Smart Examiner is an assessment system integrated with artificial intelligence technology, specifically designed for evaluating and judging push-up exercises. This system utilizes high-precision sensors and intelligent algorithms to monitor the user's movements in real-time, accurately counting the number of push-ups, assessing posture and speed, thereby achieving precise evaluation of push-up performance.Key Features and Functions1. High-Precision Sensors:1. The Push-up AI Smart Examiner is equipped with high-precision sensors that can monitor the user's movements in real-time, including body posture, arm position, shoulder-elbow plane, etc.2. Intelligent Algorithms:1. The system employs intelligent algorithms to analyze and compute the data collected by the sensors in real-time, accurately determining whether each push-up is valid and avoiding test errors caused by improper form.2. The algorithms can also compare data from different users to provide personalized training recommendations, helping users improve their push-up ability.3. Standard Movement Recognition:1. Using infrared imaging algorithms or other image recognition technologies, the system effectively identifies whether the user's push-up movements are standard, such as maintaining a straight body descent and keeping the shoulders and elbows in the same plane.2. Deformed movements, such as bending the knees, raising the hips, or arching the back, will be considered invalid by the system.4. Assessment Time Setting:1. The system features an assessment time setting function, which can be configured according to assessment needs to meet the requirements of different scenarios.5. Real-Time Display and Recording:1. The screen displays the valid count and time in real-time, allowing users to easily monitor their assessment progress and results.2. The system automatically records and analyzes the user's push-up data, including the number of repetitions, speed, strength, and other metrics, and saves this data on an APP or cloud platform.6. Fairness and Impartiality:1. The Push-up AI Smart Examiner eliminates errors caused by human factors, ensuring the fairness and impartiality of assessments.Application ScenariosThe Push-up AI Smart Examiner is widely used in various fields such as physical training, physical education exams for secondary schools, and fitness clubs. In physical training, it helps personnel like soldiers and athletes better master push-up techniques and improve their physical fitness. In secondary school physical education exams, it serves as an auxiliary tool to help examiners more accurately evaluate students' push-up performance. In fitness clubs, it acts as a supportive device for members to self-train and self-assess.PrecautionsWhen using the Push-up AI Smart Examiner, it is essential to ensure the device is functioning properly and accurately, with regular calibration and maintenance. Users should also familiarize themselves with the device's operating methods and precautions, following the required procedures. If any doubts or issues arise, they should promptly consult or seek assistance from relevant personnel. more>

$面议

Category: Others

Company: 广州蚂蚁快跑科技有限公司

Product Description: Horizontal Bar Roll-Up - AI Intelligent Examiner is a system or device that utilizes artificial intelligence technology to assess the horizontal bar roll-up movement. This system integrates advanced technologies such as visual recognition, skeletal computation, and big data analysis to capture and analyze the examinee's movements in real-time, accurately determining whether they meet the standards and providing corresponding scores.The horizontal bar roll-up is an important technical movement for training firefighters' upper limb strength, core strength, and overall coordination. In traditional assessment models, scoring is typically done manually, which is not only inefficient but may also lead to inaccuracies due to human factors. The emergence of the Horizontal Bar Roll-Up - AI Intelligent Examiner has significantly improved the efficiency and accuracy of assessments.The Horizontal Bar Roll-Up - AI Intelligent Examiner captures the examinee's movements in real-time through devices such as cameras and uses AI algorithms to analyze and process the video. The system can accurately identify key information such as the examinee's body posture, movement trajectory, and strength performance, thereby determining whether the movement is standardized and meets the assessment criteria. Additionally, the system can automatically assign scores based on predefined grading standards and display them in real-time on a screen.The advantages of this system lie in its fairness and efficiency. By employing advanced technological methods, the system avoids the influence of human factors on scoring results, ensuring fairness and impartiality in assessments. At the same time, the system automates the scoring and data recording processes, greatly enhancing the efficiency and accuracy of assessments.Furthermore, the Horizontal Bar Roll-Up - AI Intelligent Examiner also includes other features. For example, the system can analyze and provide feedback based on the examinee's movement data, offering personalized training suggestions and guidance. It can also save examination data to the cloud or a database for subsequent data analysis and queries.It is important to note that although the Horizontal Bar Roll-Up - AI Intelligent Examiner boasts high accuracy and efficiency in assessments, human supervision and management are still required. For instance, devices need to be calibrated and adjusted before the examination to ensure proper operation and accuracy. During the examination, personnel must oversee the process to maintain order and safety.The Horizontal Bar Roll-Up - AI Intelligent Examiner is an advanced assessment system that provides a fairer, more efficient, and accurate solution for evaluating the horizontal bar roll-up movement. With the continuous development and progress of technology, it is believed that such systems will see broader application and promotion in the future. more>

$1350

Category: Others

Company: Guangzhou Yuxiang Door Control Technology Co., Ltd.

Product Description: Spiral Rigid High-Speed DoorThe spiral rigid high-speed door, also known as the aluminum alloy high-speed door, is simply referred to as a rigid high-speed door. It is a new type of metal high-speed door with anti-theft and high-temperature partition functions, offering reliability, practicality, and ease of operation. The fully transparent door panel design allows clear visibility of the interior, making it specifically suitable for places such as car washes, 4S shops, and workshop partitions.Structural Technical ParametersControl SystemUtilizes a servo system with a DSP chip as the core. The system determines the door's opening height and positioning by receiving encoder signals from the motor's tail end, ensuring precise accuracy.Control Box: Uses a thickened IP5 control box.Motor SystemThe servo motor system consists of: rare earth permanent magnet synchronous motor; intelligent encoder; power-off braking system; high-inertia planetary reducer; manual release mechanism; fault manual device, etc.Strong overload capacity, capable of up to 3000 or more cycles in high-frequency applications.Equipped with a high-resolution 2000-line encoder and a manual release mechanism.Lifting MechanismUses aluminum alloy guide load-bearing tracks to ensure noiseless operation during high-speed movement and no friction between the door curtain and the guide rail.Door Curtain MechanismThe rigid high-speed door's curtain mechanism consists of: aluminum alloy curtain panels, EPDM sealing strips, load-bearing hinges, guide wheels, and other components:1. Aluminum alloy door panels are 25mm-43mm thick, filled with polyurethane foam in the middle. The base plate thickness is 0.7mm-1.7mm, made of Series 5 5052H32 tensile strength 238N/㎡ aluminum-manganese alloy cold-formed. The surface is treated with fluorocarbon roll-coated paint ≥250M, guaranteed not to fade for 10 years.2. The door panels use new anti-pinch bridge technology. The panel width is 220mm, effective width 200mm, overall thickness 43mm, filled with polyurethane foam in the middle, base plate thickness 0.7mm. This new anti-pinch bridge foam door panel technology is an upgrade for rigid high-speed doors. Traditional panels can get debris or ice trapped in the connecting gaps, leading to damage, deformation, or noise. In cold or humid environments with significant indoor-outdoor temperature differences, traditional panels may frost or ice due to cold bridges. The new foam door panel bridge solution greatly extends the door's service life.3. The hinge load-bearing design ensures that the joints of the door curtain are not under stress, preventing deformation and maintaining flatness over time.4. The door body operates by guide wheels sliding within the aluminum alloy track, ensuring no friction or noise even at high speeds.Safety System1. Infrared safety protection electric eye: Both sides of the door frame are equipped with opposing electric eyes. If an object is detected under the rigid high-speed door, the door remains open. When the door is descending and an object passes underneath, the door will reopen to the fully open position and delay descent until the path is clear.2. Bottom safety protection edge: If an object is in the blind spot of the infrared safety protection while the door is descending, and the door presses on the obstacle, it will quickly反弹 to the fully open position, effectively protecting objects or pedestrians below and preventing accidents.Power Requirements220V/380V optionalPerformance FeaturesEquipped with infrared safety protection electric eyes and a bottom safety protection edge, ensuring a high level of safety performance.Wind Resistance30M/S (Wind resistance等级 11)Thermal Insulation PerformanceInsulation coefficient: K-VALUE 0.4W/M²KSealing PerformanceGuide rail sealing, door connection sealingManual FunctionIncludes manual emergency deviceTypesBased on the site's civil structure, it can be divided into: turbine suction type, elliptical suction type, vertical lift type, 90-degree standard拐弯 lift type, or more track methods. The standard types are turbine suction and elliptical suction.ApplicationsWidely used in underground garages, automobile manufacturing plants, food, chemical, textile, electronic, supermarket, freezing, logistics, warehousing, and various other places. It highly meets the requirements of high-performance logistics and clean environments. Can be configured with联动 control boxes to achieve simultaneous opening,跳动 opening, and other opening methods. more>

$38.5

Category: Home & Garden

Company: Shenzhen Youzhi Daily Necessities Co., Ltd

Product Description: The Z-shaped sports water bottle from the UZSPACE brand features a stylish appearance, safe materials, and practical functionality. Here is an introduction from the perspectives of design, material, and function: 1. Thoughtful and Practical Design (1) Exterior Design: A simple and modern look with a "Z"-shaped body design that adds a dynamic feel. Available in multiple colors such as Slate Black, Turquoise Green, Titanium Gray Blue, and Deep Maroon to meet the personalized aesthetic needs of different consumers. (2) Bottle Design: The grip area of the bottle features an ergonomic groove design for easy holding and a non-slip grip. It also comes with a woven strap handle for convenient portability when on the go. (3) Lid Design: Equipped with a one-touch open button that allows easy opening with one hand, making it ideal for use during sports, driving, and other scenarios. The lid also includes a safety lock to prevent accidental opening and leakage when placed in a bag. 2. Safe and Reliable Materials (1) Tritan Material: Many UZSPACE sports water bottles use imported Eastman Tritan material from the USA, which is free of BPA and offers high chemical stability and food safety. It poses no harm to human health and is even designated as a material for infant tableware in Europe and America. The bottle body is transparent, allowing users to easily see the water level. The outer wall is printed with measurement markings for convenient tracking of water intake and drinking progress. 3. Diverse and Functional Features (1) Leak-Proof Seal: Built with a silicone ring and a silicone waterproof plug for double protection, ensuring 360° leak-proof performance. No matter how the bottle is tilted, shaken, or jostled, it will not leak, making it safe to carry in a bag. (2) Easy Drinking: Designed with a direct-drink spout and a small opening to control water flow effectively and prevent choking. (3) Multiple Capacity Options: Available in various sizes such as 440ML, 600ML, 850ML, and 1000ML to meet the hydration needs of different people in various scenarios, whether for daily commuting, outdoor sports, or travel. (4) Easy Cleaning: The wide-mouth design makes it convenient to clean the inside of the bottle thoroughly, allowing 360° no-dead-angle cleaning to prevent dirt buildup and maintain hygiene. more>

Negotiable

Category: Machinery & Equipment/Pumps/Other Pumps

Company: 杭州新安江工业泵有限公司

Product Description: OverviewThis series of pumps belongs to single-stage, single-suction, cantilever-type centrifugal pumps, with flow-through components made of steel-lined ultra-high molecular weight polyethylene (UHMWPE). This material is currently the latest generation of corrosion-resistant and wear-resistant engineering plastics for pumps internationally. Its most outstanding advantages include excellent wear resistance, impact resistance (especially low-temperature impact resistance), creep resistance (resistance to environmental stress cracking), and excellent corrosion resistance among all plastics.The characteristics of this pump are: it can adapt to various working conditions, such as conveying acidic or alkaline clear liquids or slurries; various corrosive slurries in the smelting industry; various dilute acids in the sulfuric acid industry; and various types of wastewater in the environmental protection industry. This pump is both corrosion-resistant and wear-resistant, making it widely applicable. Suitable media: sulfuric acid up to 80% concentration, nitric acid up to 50% concentration, hydrochloric acid of various concentrations, and liquid alkali. It is suitable for both clear liquids and slurries. Operating temperature: -20°C to 80°C (for special requirements, using modified materials, it can be increased to 105°C). The pump impeller is semi-open type, and the seal adopts a K-type dynamic seal. Model DescriptionModel · Performance · ParametersPerformance ParametersInlet/Outlet Diameter(mm)Flow Rate(m3/h)Head(m)Motor Power(KW)Suction Lift(m)Speed(r/min)Model32UHB-ZK-5-1032×255101.12.3290032UHB-ZK-5-2032×255201.52.7290032UHB-ZK-10-1532×2510152.22.6290032UHB-ZK-10-2032×2510202.22.6290040UHB-ZK-10-3040×32103032.5290040UHB-ZK-15-2540×32152532.6290040UHB-ZK-18-2040×32182032.4290040UHB-ZK-10-1840×3210182.22.5290050UHB-ZK-15-2050×40152032.5290050UHB-ZK-20-3050×4020305.52.2290050UHB-ZK-10-3550×4010355.52290065UHB-ZK-25-3260×5025325.52.2290065UHB-ZK-30-3260×5030327.52290065UHB-ZK-10-4060×5010405.52290065UHB-ZK-10-5060×5010507.52290065UHB-ZK-20-5060×502050112290065UHB-ZK-30-5060×503050152290065UHB-ZK-15-6060×501560112290080UHB-ZK-40-2080×6540207.52.5290080UHB-ZK-45-3580×654535112.8290080UHB-ZK-40-5080×654050152.6290080UHB-ZK-50-5080×65505015-18.52.72900100UHB-ZK-60-35100×80603518.52.82900100UHB-ZK-60-50100×80605022-302.72900100UHB-ZK-80-30100×80803018.5-223.22900100UHB-ZK-100-40100×801004030-373.52900125UHB-ZK-120-32125×10012032303.22900125UHB-ZK-140-28125×1001402830-373.22900150UHB-ZK-120-25150×1251202522-303.91450150UHB-ZK-220-25150×1252202537-452.91450150UHB-ZK-150-40150×12515040452.814501001815-18.5980150UHB-ZK-200-35150×12520035552.914501351618.5980150UHB-ZK-300-20150×12530020553.214502001018.5980200UHB-ZK-300-32200×15030032753.214502001522-30980200UHB-ZK-350-30200×1503503075-903.514502401530980200UHB-ZK-400-28200×15040028903.514502701330980200UHB-ZK-550-30200×15055030110-1323.514503711430-37980250UHB-ZK-600-32250×200600321103.51480250UHB-ZK-600-50250×200600501603.51480250UHB-ZK-800-32250×200800321322.41480250UHB-ZK-800-50250×200800502002.41480300UHB-ZK-1000-32300×2501000321601.51480300UHB-ZK-1000-50300×2501000502501.51480300UHB-ZK-1200-32300×2501200322000.51480300UHB-ZK-1200-50300×2501200503150.41490350UHB-ZK-1400-32350×3001400322503.9990350UHB-ZK-1400-50350×3001400503553.9991350UHB-ZK-1600-32350×3001600322503.3993350UHB-ZK-1600-50350×3001600504003.3991400UHB-ZK-2000-32400×3502000323152.3993400UHB-ZK-2000-50400×3502000505002.3991400UHB-ZK-2300-32400×3502300323551.5993400UHB-ZK-2300-50400×3502300505601.5991Structural Diagram  more>

$2000000

Category: Instruments & Meters/Electronic Measuring Instruments/Spectrum Analyzers

Company: 深圳市华易测电子有限公司

Product Description: Rohde & Schwarz FSW85 Rohde & Schwarz 85G Real-Time Spectrum Analyzer with up to 8.3 GHz Analysis BandwidthRohde & Schwarz Spectrum Analyzers: FSW8, FSW13, FSW26, FSW43, FSW50, FSW67, FSW85, FSMR3, FSMR26, FSMR43, FSMR50, FSP3, FSP7, FSP13, FSP30, FSP40, FSP38, FSC3, FSC6, FSU3, FSU8, FSU26, FSU43, FSU46, FSU50, FSU67, FSL3, FSL6, FSL18, FSQ3, FSQ8, FS26, FSQ40, FSG8, FSG13, FSH3, FSH4, FSH6, FSH8, FSH13, FSH18, FSH20, FSV3, FSV4, FSV7, FSV13, FSV30, FSV40, FSIQ3, FSIQ7, FSIQ26, FSIQ40, FSEA20, FSEA30, FPS4, FPS7, FPS13, FPS30, FPS40, FSV3004, FSV3007, FSV3013, FSV3030, FSV3044FSW Signal Analyzer Optional Models:Model         Frequency Range             Phase Noise                             Maximum Analysis BandwidthFSW8: 2 Hz to 8 GHz   ,     more>

$0.24

Category: Electrical Equipment & Supplies/Electric Heating Equipment/Medium Frequency Power Supplies

Company: 惠州市卓辉电子有限公司

Product Description: Round PTC Heating Element: Features a series of advantages that traditional electric heating elements cannot match, such as constant temperature heating, long natural lifespan, energy efficiency, no open flame, excellent safety performance, easy heat output adjustment, and minimal impact from power supply voltage. The PTC resistive heating element is a semiconductor functional ceramic with a positive temperature coefficient. Before reaching the transition temperature, the resistance decreases as the temperature increases. From the transition temperature to the thermal runaway temperature, the resistance increases significantly with rising temperature.Round PTC Heating Element: A semiconductor functional ceramic with a positive temperature coefficient. Before the transition temperature, the resistance decreases with increasing temperature. From the transition temperature to the thermal runaway temperature, the resistance increases significantly with rising temperature. Zhuohui PTC ceramic heating elements offer advantages such as no open flame during use, safety and reliability, automatic constant temperature, no overheating, fast heating speed, compact size, and a wide voltage operating range. Zhuohui PTC heating elements: a new type of thermistor material with characteristics like constant temperature, time delay, current limiting, and thermal sensitivity. PTC ceramic heating elements offer benefits such as constant temperature, long lifespan, safety, no open flame, energy efficiency, and minimal impact from current and voltage fluctuations. They are widely used in various heating applications both domestically and internationally.Main Applications 2: Thermostats, electric mosquito repellents, hand warmers, hair clips, electric hair clamps, electric hair rods, electric irons, mosquito killers, insulated lunch boxes, hand warmers, electric soldering irons, household oil presses, cotton candy machines, soldering irons, hair straighteners, hair curlers, etc.Due to the wide variety of product models, customers are advised to call for consultation first to confirm specific requirements for drawings and samples. Our company can then produce samples according to customer requirements. The sample production time varies for different products; standard products generally take within 10 days, while non-standard products require communication with the customer regarding specific details and timelines. After sample completion, our company will provide specifications and product pricing. New and existing customers are welcome to call for consultation! Round PTC Heating Element more>

Negotiable

Category: Metallurgy & Minerals/Non-Ferrous Alloys/Titanium Alloys

Company: 西安国盛激光科技有限公司

Product Description: Titanium alloy impellers, as core components of high-end equipment such as aero-engines and gas turbines, have manufacturing processes that directly impact the performance and reliability of the equipment. In recent years, with the rapid development of additive manufacturing technology, laser 3D printing has brought revolutionary breakthroughs to the manufacturing of titanium alloy impellers. This technology not only enables the free forming of complex structures but also significantly shortens production cycles, reduces material waste, and provides new solutions for the lightweight and high-performance demands of high-end equipment.Titanium alloy is an ideal material for impeller manufacturing due to its excellent strength-to-weight ratio, corrosion resistance, and high-temperature performance. However, traditional manufacturing methods such as forging, casting, and machining face numerous challenges when working with titanium alloy. Forging requires expensive molds and large-scale equipment and struggles to achieve complex internal structures; casting is prone to defects like porosity and shrinkage; machining suffers from low material utilization and severe tool wear. The emergence of laser 3D printing technology offers innovative solutions to these challenges. By using high-energy laser beams to melt metal powder layer by layer, it allows precise control over the microstructure and mechanical properties of impellers, achieving design freedom that traditional processes cannot match.In terms of technical principles, laser 3D printing of titanium alloy impellers primarily employs two process routes: Selective Laser Melting (SLM) or Laser Metal Deposition (LMD). SLM technology uses fine titanium alloy powder in an inert gas environment, where a computer-controlled laser beam scans and melts the powder layer by layer according to a 3D model, ultimately forming dense metal parts. This process can achieve densities as high as 99.9%, with mechanical properties close to or even exceeding those of forged parts. LMD technology, on the other hand, feeds metal powder directly into the laser melt pool via synchronous powder delivery, making it suitable for rapid forming or repair of large impellers. Both technologies have their advantages: SLM is better suited for high-precision, complex-structure impeller manufacturing, while LMD excels in large component production and repair applications.Process optimization is key to ensuring the quality of titanium alloy impellers. Parameters such as laser power, scanning speed, layer thickness, and scanning strategy all affect the final product's performance. Research shows that appropriate preheating temperatures and interlayer cooling times can significantly reduce residual stress, avoiding deformation and cracking. Post-processing is equally important, including Hot Isostatic Pressing (HIP) to improve density, as well as necessary machining and surface treatments to meet final dimensional accuracy and surface quality requirements. The latest research from the Institute of Metal Research of the Chinese Academy of Sciences indicates that by optimizing process parameter combinations, titanium alloy impellers with excellent fatigue performance can be achieved, with service life increased by over 30% compared to traditional manufacturing processes.In the aerospace sector, laser 3D printed titanium alloy impellers have already achieved large-scale application. For instance, a certain model of aero-engine uses compressor impellers manufactured with this technology, resulting in a 15% weight reduction and a 20% increase in strength, thereby improving the engine's thrust-to-weight ratio. In energy equipment, 3D printed gas turbine impellers can withstand higher operating temperatures, significantly enhancing power generation efficiency. Particularly noteworthy is that this technology enables personalized design and rapid iteration of impellers, allowing designers to break free from the constraints of traditional manufacturing and achieve more optimized flow channel structures and cooling channel layouts.Despite its clear advantages, laser 3D printing of titanium alloy impellers still faces some technical challenges. The first is cost: high-purity titanium alloy powder and specialized equipment lead to substantial initial investments. The second is quality control, which requires the establishment of comprehensive online monitoring systems and quality standards. Additionally, printing large-sized impellers still presents challenges in deformation control, necessitating further research into support structures and process optimization solutions. Industry experts point out that with advancements in materials science, equipment technology, and process experience, these issues will gradually be resolved, and large-scale industrial application is expected within the next 3-5 years.From an industrial development perspective, laser 3D printing of titanium alloy impellers represents a critical direction in the digital and intelligent transformation of high-end manufacturing. Several domestic research institutions and enterprises have established comprehensive R&D systems, forming full industrial chain capabilities from material preparation and equipment manufacturing to process development. The team led by Academician Wang Huaming at Beihang University has made breakthrough progress in this field, with their laser rapid forming technology for large titanium alloy structural components winning the National Technology Invention Award. At the same time, industry standard systems are being gradually improved, laying the foundation for the standardized application of the technology.Looking ahead, laser 3D printing technology for titanium alloy impellers will develop in directions such as multi-material composite printing, intelligent process control, and larger-size forming. Combined with artificial intelligence and big data analysis, real-time optimization and defect prediction during the printing process are anticipated, further enhancing product consistency and reliability. As the concept of green manufacturing gains traction, the advantages of this technology—high material utilization and low energy consumption—will become even more prominent, making significant contributions to the sustainable development of the equipment manufacturing industry.In summary, laser 3D printing technology has opened new pathways for titanium alloy impeller manufacturing, not only addressing the bottlenecks of traditional processes but also creating new design possibilities. The maturation and promotion of this technology will strongly drive the upgrading of China's high-end equipment manufacturing industry, enhance the self-sufficiency capability of key components, and hold strategic significance for national technological development and industrial competitiveness. With continuous breakthroughs in related technologies and the accumulation of application experience, laser 3D printed titanium alloy impellers will undoubtedly demonstrate their value across broader fields.‍ more>

$52

Category: Home & Garden

Company: Shenzhen Youzhi Daily Necessities Co., Ltd

Product Description: The gradient gallon jug from the Youzhi UZSPACE brand is a water bottle that combines both aesthetics and practicality. Here is an introduction from the aspects of material, design, and functionality: 1. Safe Material Made of Tritan material, which is environmentally friendly and odor-free. Even in high-temperature environments, it does not hydrolyze to produce harmful substances such as bisphenol A, making it safe and reliable for use. This material is also used in infant bottles, making it suitable for people of all ages with peace of mind. 2. Design Highlights (1) Gradient Appearance: The overall color design features a gradient, with fashionable color combinations. It is available in various colors such as sea blue-green. The bottle body has a matte texture, which not only provides anti-slip properties but also adds depth to the overall design. It feels stylish in hand, meets the personalized aesthetic needs of different consumers, and adapts to various outfits and usage scenarios. (2) Ergonomic Handle: The handle features a hollow design that integrates seamlessly with the bottle body. It is not only aesthetically pleasing but also increases the bottle's capacity due to the hollow structure. The shape and size of the handle are ergonomic, ensuring it does not dig into the hand during carrying. It is convenient for use in various scenarios such as indoor fitness, outdoor hiking, fishing, traveling, and car use. (3) Clear Scale Markings: The bottle body has water level markings that clearly display the remaining water volume or the amount already consumed. This makes it easy for users to hydrate scientifically and plan their water intake according to their body's needs in different situations. 3. Practical Functionality (1) Convenient Open-Close Design: The bottle cap features a one-touch opening design, making hydration quick and effortless. (2) Leak-Proof and Breathable Design: The bottle cap is equipped with an air vent and innovatively uses a one-way valve design. This ensures smooth water flow while preventing leaks even when the bottle is shaken or turned upside down, effectively avoiding inconvenience and damage to items caused by leakage. 4. Capacity Options This gallon jug is available in multiple capacities. The large capacity meets long-term hydration needs, reducing the hassle of frequent refills, and is suitable for use in various scenarios. more>

$300

Category: Others

Company: 天津市天伟悦龙计算机维修服务中心

Product Description:        天伟数据恢复中心地址：天津市南开区鞍山西道338号百脑汇科技大厦6楼605和607室。       天伟数据恢复中心用心恢复每一份数据，具体恢复范围有以下内容：1.普通电脑最近删除的照片和文件找回。2.ctrl z撤销了文件也没找回恢复。3.恢复移动硬盘的数据。4.优盘一部分文件突然没有了数据恢复。5.我的移动硬盘在电脑上不显示数据恢复。6.天津市赛博数码广场硬盘数据恢复。7.监控硬盘数据恢复。8.笔记本不识别u盘数据恢复。9.相机sd卡数据恢复。       硬盘的数据分目录区和数据区，没有哪个数据都不是完美的。       数据区（Data）位于目录区之后，占据了硬盘中绝大部分空间，其中保存了用户文件的所有数据。如果用户经常对磁盘分区进行碎片整理，数据区的数据就会连续存放，这样即使主引导扇区、文件分配表和目录区全部损坏了，也可以使用磁盘恢复软件将数据恢复。       天津服务器数据恢复:www.tjtianwei.com       固态硬盘数据恢复：www.twshuju.com.cn more>

$1450

Category: Chemicals/Inorganic Salts/Other Inorganic Salts

Company: 莱州明发隔热材料有限公司

Product Description: LG-Standard Calcium Silicate ProductsPhysical PropertiesUnitHCS-17HCS-20HCS-23HCS-25National StandardBulk Densitykg/m3170(±10%)200(±10%)230(±10%)250(±10%)≤220,≤270Flexural StrengthMpa≥0.25≥0.35≥0.45≥0.50≥0.30Thermal ConductivityW/m.k≤0.058100℃≤0.062100℃≤0.064100℃≤0.065100℃≤0.065(100℃)Service Temperature℃10001000100010001000Linear Shrinkage%≤2   (1000℃,16hrs)Products with a maximum service temperature of 650℃ are also available.LG-High Temperature Calcium Silicate ProductsPhysical PropertiesUnitSCS-25Bulk Densitykg/m3250±10%Flexural StrengthMpa≥0.50Maximum Service Temperature℃1100Linear Shrinkage%≤2(1050℃,3hrs)Thermal ConductivityW/m·k≤0.065100℃Product Specifications and Dimensional TolerancesLength (±4mm)Width (±3mm)Thickness (+3,1.5mm)40025025-15060030025-150* t is the average temperature of the working surface and cold surface* For special sizes, shapes, or custom processing, please contact us more>

$300

Category: Others

Company: 天津市天伟悦龙计算机维修服务中心

Product Description: Tianwei Data Recovery Center is a technically strong! Strong! Strong! Tianjin data recovery shop. The detailed scope of services includes the following:lRecovery after accidental formatting of hard drives.lRecovery of files accidentally deleted without backup.lData recovery for mobile hard drives compatible with phones and computers.lData recovery for 2T mobile hard drives that make noise when plugged into a computer but do not display.lData recovery for Samsung (SAMSUNG) solid-state drives.lData recovery for 4G/8G small USB drives that cannot be read on a computer.lRecovery of deleted photos from SD cards.Have you ever encountered the following situations:1. What to do if your mobile hard drive cannot be opened?2. What to do if there is important data on your mobile hard drive?3. How to perform data recovery on a USB drive when it cannot be opened?The above situations are common data loss issues. There is no need to panic when facing such problems—bring your device to Tianwei Data Recovery Center to recover the data. Address of Tianwei Data Recovery Center: Rooms 605 and 607, 6th Floor, Bainaohui Technology Building, No. 338 Anshan West Road, Nankai District, Tianjin.Tianjin Hard Drive Repair: www.twshuju.com.cnSD Card Data Recovery: www.tjshuju.cn more>