Offers to Sell

JBFD-H Portable Handheld Type Transformer Switch Partial Discharge Detector can be widely used in partial discharge detection of power system, including high voltage switchgear, ring network cabinet, voltage / current transformer, transformer (including dry type transformer), GIS, overhead line, cable and other equipment insulation state detection, through the following indicators to measure the discharge degree of electrical equipment: Partial discharge intensity detection: by measuring the discharge signal in one power frequency cycle, the partial discharge intensity is characterized according to the maximum value (dB) in the discharge pulse sequence. Partial discharge frequency detection: by measuring the discharge signal in one power frequency cycle, the discharge pulse is extracted and the partial discharge frequency is characterized according to the number of discharge pulses. Product Features ☀ Configure different sensors to achieve partial discharge detection of almost all high-voltage electrical equipment; ☀ Provide time domain waveform, PRPD, PRPS and other discharge patterns to realize the analysis of different discharge types. ☀ Humanized man-machine interface facilitates data management of different devices; ☀ Built-in ultrasonic sensor and transient ground voltage (hereinafter referred to as TEV) sensor, which can be connected with special sensors such as transformers, GIS, overhead lines, cables, etc.; ☀ Adopts non-intrusive detection method, no need to power off during the test process, no need to configure additional high voltage source, it is more convenient to use than traditional pulsed partial discharge detector; ☀ The test bandwidth range is 30kHz ~ 2.0GHz, which is suitable for detection principles of various frequency bands;

Minimum Order: 1 bags

This Supercase Clear Colorful Glitter transparent airpods pro 2 case is a stylish and protective case for your AirPods Pro 2th. The case is made of durable PC and TPU material, which is shockproof and scratch-resistant. It features a clear design with colorful glitter quicksand, which adds a stylish look to your AirPods. The case is designed to provide access to all controls, ports, and sensors, while also protecting your AirPods from dust and dirt. The case is easy to install and remove, and it is compatible with wireless charging. Want to buy personalised leather iphone case, contact us.

Minimum Order: 500

Our Brown Leather iphone 13 brown leather case offers the perfect balance of fashion and function, designed with high-quality materials such as premium leather and PC. With a sleek, brown finish, this iphone 13 leather case golden brown will not only protect your device but also provide a stylish look to your iPhone 13 Pro. Additionally, you can customize the logo or design to make it unique and represent your brand. Our minimum order quantity is 500 pieces, so you can take advantage of our great bulk pricing. We look forward to working with you to provide the perfect folio for your customers! Want to buy personalized leather iphone case and customised leather iphone cover, contact us.

Minimum Order: 500

The Supercase brown leather airpods pro case is an attractive and stylish way to keep your AirPods Pro secure and safe. It is made of genuine leather and has an ultra-slim profile that fits snugly and securely around your AirPods Pro. The magnetic closure ensures a secure fit, while the soft interior lining ensures your AirPods Pro stays safe and secure. The airpods pro case brown adds an elegant and sophisticated look to your AirPods Pro. The case also features a carabiner clip for easy attachment to a bag or belt loop. Want to buy custom leather case iphone and custom iphone case, contact us.

Minimum Order: 500

Our Blue Leather iphone 13 pro max blue leather case is made with the highest quality materials and is designed to provide the best protection for your iPhone 13 Pro Max. The folio case is made with a mix of Leather and PC material, providing a luxurious feel and extra durability. It is available in a stunning blue color and can be customized with a logo or design of your choice. We understand the need to protect your device from scratches and dust, and our folio case is the perfect solution. Buy in bulk to get the best value and protect your device in style. Want to buy personalized iphone case leather and custom iphone leather case, contact us.

Minimum Order: 500

　　The longevity of an oil seal is a critical aspect to consider when evaluating its performance and reliability. However, determining the exact lifespan of an oil seal can be challenging, as it depends on various factors such as seal material, operating conditions, maintenance practices, and application-specific requirements. In this article, we will delve into the topic by combining online knowledge with personal insights to provide a comprehensive understanding of how long an oil seal should last. 　　Factors Affecting the Lifespan of Oil Seals: 　　Seal Material: The choice of seal material significantly impacts its durability. Different materials, such as nitrile rubber (NBR), fluoroelastomers (FKM), or polytetrafluoroethylene (PTFE), have varying resistance to factors like temperature, chemicals, and abrasion. Selecting the appropriate material based on the application's demands is crucial for optimizing the seal's lifespan. 　　Operating Conditions: The environment in which the oil seal operates plays a vital role in determining its lifespan. Factors such as temperature extremes, exposure to harsh chemicals, excessive pressure or vibration, and contaminants can accelerate wear and deterioration. Seals designed for specific operating conditions, such as high-temperature (HTC) seals or seals with enhanced chemical resistance, may provide extended longevity. 　　Proper Installation and Maintenance: Correct installation techniques and regular maintenance practices significantly contribute to the lifespan of oil seals. Improper installation, inadequate lubrication, or failure to address issues like misalignment or shaft runout can lead to premature failure. Following manufacturer guidelines and conducting routine inspections can help identify potential issues and extend the seal's lifespan. 　　Application-Specific Requirements: Different applications have unique demands that affect the lifespan of oil seals. Factors such as rotational speed, frequency of shaft movement, pressure differentials, and exposure to specific fluids or gases can impact seal performance. Choosing seals specifically designed for the application's requirements can enhance longevity. 　　Estimated Lifespan and Replacement Intervals: 　　Due to the complexity of factors influencing oil seal lifespan, it is challenging to provide a precise numerical value. However, on average, oil seals are expected to last for thousands of hours of operation under normal conditions. In some applications, where extreme conditions or aggressive environments exist, seal replacement intervals may be shorter. Regular inspection and monitoring of seal condition are crucial to identify signs of wear or degradation and replace the seal promptly when necessary. 　　Determining the lifespan of an oil seal involves considering various factors such as seal material, operating conditions, installation practices, and application-specific requirements. While it is challenging to provide an exact timeframe, selecting the appropriate seal material, following proper installation and maintenance practices, and considering application-specific demands are key to maximizing the seal's lifespan. Regular monitoring and inspection are essential to detect early signs of wear or damage and replace the seal in a timely manner. By understanding these factors and taking proactive measures, one can optimize the lifespan of oil seals and ensure reliable performance in their applications.

Minimum Order: 100

Welcome to our new range of baltic blue leather case. Our iphone baltic blue leather case are designed to provide both convenience and protection for your customers' iPhones 13. Our cases are made from high-quality leather and PC material that is designed to be durable and long-lasting. The blue leather iphone case come in a striking blue color, giving it an attractive appearance. The apple blue leather case are also customizable, allowing you to have your own logo or design printed on them. We offer a minimum order quantity of 500 and we are sure that you won't be disappointed with our products. Want to buy personalised iphone case leather and custom leather iphone case, contact us.

Minimum Order: 500

The Supercase blue leather airpod pro case provides a stylish and protective cover for your AirPods Pro. This case is made from genuine leather and features a luxurious blue color. The case is designed to provide a snug, secure fit that keeps your AirPods Pro safe and secure, while also looking stylish. The case also includes a unique charging port that allows you to charge your AirPods Pro without taking them out of the case. The Supercase blue leather airpod pro case is a great way to protect and enhance your AirPods Pro. Want to buy personalised leather iphone cover and personalized leather iphone case, contact us.

Minimum Order: 500

　　The terms "oil seal" and "lip seal" are often used interchangeably in the industry, creating confusion regarding their exact meaning and relationship. In this article, we will delve into the topic by combining online knowledge with personal insights to clarify whether an oil seal is indeed a lip seal and explore the nuances between these terms. 　　Understanding Oil Seals: 　　Oil seals are vital components used to prevent fluid leakage and contamination in various applications. They are designed to create a barrier between rotating or reciprocating shafts and their housings, ensuring that lubricants remain within the system and contaminants are kept out. Oil seals come in various designs, including lip seals. 　　What are Lip Seals? 　　Lip seals, also known as radial shaft seals, are a specific type of oil seal. They feature a flexible lip made of elastomeric material, which comes into contact with the shaft. The lip creates a sealing barrier, preventing fluid leakage along the shaft and maintaining proper lubrication within the system. Lip seals are widely used in applications ranging from automotive engines to industrial machinery. 　　The Relationship Between Oil Seals and Lip Seals: 　　It is important to note that not all oil seals are lip seals, but all lip seals are a type of oil seal. Oil seals encompass a broader category that includes various sealing designs, such as lip seals, labyrinth seals, and mechanical seals. Lip seals are the most common type of oil seal due to their simplicity and effectiveness. 　　Lip seals have a distinctive design that sets them apart from other oil seal types. They typically consist of a rubber or elastomeric lip that contacts the shaft, a metal or plastic case for structural support, and optionally, a garter spring for improved sealing performance. The lip's flexibility and ability to maintain contact with the rotating shaft enable efficient sealing. 　　Other oil seal designs, such as labyrinth seals, use a series of interlocking grooves or channels to create a tortuous path for fluid, effectively sealing the system. Mechanical seals employ a combination of stationary and rotating parts to create a dynamic seal. While these designs are effective in specific applications, lip seals remain the most widely used and recognized type of oil seal. 　　In summary, an oil seal is a general term that encompasses various sealing designs used to prevent fluid leakage and contamination. A lip seal, on the other hand, is a specific type of oil seal that features a flexible lip in contact with the shaft. While all lip seals are oil seals, not all oil seals are lip seals. Lip seals offer a simple yet effective sealing solution and are widely used in numerous applications across industries. Understanding the relationship and distinctions between these terms is essential for selecting the appropriate seal design for specific applications.

Minimum Order: 100

Welcome to our range of Black Leather iphone 13 black leather case! Our collection of folio cases are specifically designed to perfectly fit the iPhone 13 and provide superior protection. We use only the best quality leather and PC materials, to ensure your device is safe and secure. The exterior of the folio cases are a stylish black color, with the option to customize with your own logo or design. We have a minimum order quantity of 500, making them perfect for bulk orders. Our folio cases are ideal for any business that is looking to offer quality protection for the iPhone 13. Features of Black Leather iPhone 13 Folio This black leather iphone 13 case is a perfect addition to any active lifestyle. It is crafted from premium quality leather and PC material, and designed to provide a snug fit to the iPhone 13. The folio case is available in a sleek black color, giving it a classic and professional look. The case is also customizable with a logo or design of your choice. It is lightweight and slim, allowing you to easily carry it in your pocket or bag. With its protective design, this folio case is sure to keep your phone safe from any bumps and scratches. It is a perfect choice for businesses like wholesalers. Want to buy oem iphone case and personalized iphone case leather, contact us.

Minimum Order: 500

EVA TPU PE Sole Foaming Machine is one kind of physical foaming equipment which uses supercritical fluid foaming technology to inject carbon dioxide or nitrogen as the foami ng medium into the supercritical foaming equipment, so that the gas and the molten raw material are fully mixed and diffused to form a single-phase mixed sol, which produces a large amount of sol. The pressure drop caused the gas to separate out to form a large number of bubble nuclei. In the subsequent cooling and molding process, the bubble nucleus inside the sol continuously grows and forms, thereby obtaining a microcellular foamed plastic product. The supercritical foaming equipment is an important equipment to realize this process. As a professional supercritical equipment designer and manufacturer, STRENGTH Equipment can design and manufacture supercritical foaming Equipment for mass production and laboratory applications to meet your needs. The foaming agent of supercritical fomaing machine could be N2 or CO2, it's up to the foaming material requirements.

Minimum Order: 1 bags

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening, Essential Oil and Cosmetics Profiling and Quality Control – LCMS, GCMS, HPLC, HPIC, Maldi-TOF, HRMS, FTIR etc. Proteomics Services Protein Service Protein Identification, Quantification – Label Free and iTRAQ, TMT, Post Translational Modification (PTM) analysis – Orbitrap Fusion Lumos, Q-Exactive plus, Maldi-TOF, etc. Why Choose Our Products And Services High quality We guarantee the superior quality of our products by providing real analytical data, such as NMR spectra and HPLC-MS profiles for each lot. Large selection We offer a wide range of unique laboratory-made research tools many of which are not available elsewhere. Competitive pricing Our pricing is very competitive compared to many other reagent suppliers. Quick support We provide the highest level of technical support to our customers. Just call us and we will help you quickly! Axispharm offers a wide range of unique laboratory-made research tools many of which are not available elsewhere.

Minimum Order: 1 bags

What Are The Characteristics Of CNC Machine? Process concentration, automation, high flexibility, and strong capabilities are the characteristics of CNC machining. The process rules of prototype cnc machining and traditional machine tool machining are generally consistent, but there have also been significant changes. So what are the characteristics of shenzhen cnc machining? 1. Process concentration CNC machine tools generally have tool holders and tool magazines that can automatically change tools. The tool changing process is automatically controlled by the program, so the process is relatively concentrated. Process concentration brings huge economic benefits: 1. Reduce the floor space of the machine tool and save the workshop. 2. Reduce or no intermediate links (such as intermediate testing of semi- finished products, temporary storage and handling, etc.), which saves time and manpower. 2. Automation During CNC machining, there is no need to manually control the tool, and the degree of automation is high. The benefits are obvious. 1. The requirements for operators are reduced: a senior worker of an ordinary machine tool can not be trained in a short time, while a CNC worker who does not need programming has a very short training time (for example, a CNC lathe worker needs a week, and he can also write simple processing program). Moreover, the parts processed by CNC workers on CNC machine tools have higher precision and save time than those processed by ordinary workers on traditional machine tools. 2. Reduce the labor intensity of workers: CNC workers are excluded from the processing process most of the time during the processing process, which is very labor-saving. 3. Stable product quality: The processing automation of CNC machine tools eliminates human errors such as fatigue, carelessness, and estimation of workers on ordinary machine tools, and improves product consistency. 4. High processing efficiency: The automatic tool change of CNC machine tools makes the processing process compact and improves labor productivity. 3. High flexibility Traditional general-purpose machine tools have good flexibility, but low efficiency; and traditional special machines, although high in efficiency, have poor adaptability to parts, high rigidity and poor flexibility, making it difficult to adapt to the fierce competition in the market economy. Products are frequently modified. As long as the program is changed, new parts can be processed on the CNC machine tool materials, and the operation can be automated, with good flexibility and high efficiency, so the CNC machine tool can well adapt to market competition. 4. Strong ability Machine tools can accurately machine various contours, and some contours cannot be machined on ordinary machine tools. CNC machine tools are especially suitable for the following occasions: 1. Parts that are not allowed to be scrapped. 2. Development of new products. 3. Processing of urgently needed parts. Compared with traditional machine tool processing, CNC machining parts has changed a lot, and the efficiency has also been greatly improved, which is also the advantage brought by the continuous development of science and technology. If you want to know more details of features of cnc machine, please contact us.

Minimum Order: 1 bags

Physical vapour deposition, just PVD coating, as we usually call it, refers to vacuum ion plating and vacuum sputter plating; Generally speaking, ncvm coating refers to vacuum evaporation coating. The basic principle of PVD surface treatment is to vaporize the coating material under vacuum, and then deposit it evenly on the surface of the target part through electrons. The advantages of PVD are: good adhesion of coating (good mechanical properties), strong winding ability (adjustable target position and electroplating path), good coating quality (dense, uniform, high strength and long service life), simplified cleaning process (with cleaning function), and a wide range of plating materials (metal and non-metal can be plated). PVD Coating System custom pvd coatingpvd coating systempvd coating technology Does PVD Coating Wear Off? The wear resistance of PVD coating system is different with different electroplating materials. For example, the CRN coating on the surface of bearings and cutting tools has strong wear resistance and is not easy to wear off. Is PVD Better Than Stainless Steel? PVD Physical Vapour Deposition is a surface treatment process. PVD surface treatment aims to improve or improve the performance and appearance of metal surfaces, and cannot be compared with the performance of cheap CNC material. Types Of PVD Coating There are different types of PVD coatings that can be offered depending on the application requirements. Titanium Nitride (TiN), Chromium Nitride (CrN), Titanium Aluminum Nitride (TiAlN), Titanium Boron Nitride (TiBN) are some examples of PVD coatings. PVD Coating Advantages Physical vapour deposition coatings offer the following benefits: PVD surface treatment has high hardness (2400-4000 HV) (~ 80-90 HRc). PVD physical vapour deposition is high abrasion resistance. PVD metal coating is low friction coefficient (high surface lubricity) Reduced tool heating due to low thermal conductivity of PVD physical vapor deposition. Physical vapor deposition coating is well resistance to chemical environments PVD metal finish can increase surface quality of the machined parts Preventing the processed parts from adhering to the tool-mold surface No change in dimensions due to PVD coating thickness at micron level Decrease in tool cost per piece due to increased tool physical life Decreasing in workbench downtime periods since tool change frequency are decreased PVD surface treatment can obtain homogeneous coating thickness in each area PVD Coating Technology PVD coatings can be applied on components using different PVD technologies such as arc evaporation, magnetron sputtering to name a few. HEF specializes in plasma enhanced magnetron sputtering, CAM (coating assisted by microwaves) and modified arc evaporation coating technologies. PVD coating technology is the most important one of the methods in which hard ceramic coatings can be successfully applied on mold and tool surfaces. This PVD technology is based on the principle of ionic accumulation of materials under vacuum by being evaporated and/or sputtered on the surface, to which the coating is to be applied. PVD Coating Applications PVD coating can be found in a broad range of products. For example, PVD surface treatment is frequently used in architecture. There is a wide range of PVD coating applications, which is why it is commonly used in high-tech industries. Some of the industries and applications in which we have applied PVD physical vapor deposition coating include coating on composites for aerospace, titanium on medical implants and surgical tools, gold thin film to replace plating for electronics, non-metal, chemical resistant oxides for semiconductor parts and hard ceramic coatings for industrial tools.

Minimum Order: 1 bags