投稿者アーカイブ: han@celtec.cn

Pressure decay leak testing is one of the most widely used methods on manufacturing production lines. It is preferred because the process is straightforward, cost-effective compared to techniques like helium testing, and relatively easy to automate.   How Pressure Decay Leak Testing Works In a typical pressure decay test, the component or part under inspection is filled with pressurized air. Once the desired air pressure level is reached, the part is isolated from the air supply. After isolation, a short stabilization period is allowed to ensure consistent conditions. During the testing phase, sensors or transducers monitor the pressure inside the component. Any drop in pressure indicates the presence of a leak. […]

Are you familiar with a melt flow index tester? This straightforward and user-friendly device has become widely adopted in industries like plastics, PET, and preform manufacturing—and for good reason. A melt flow index tester evaluates the quality of plastic materials by analyzing how they flow under controlled conditions. In this article, we’ll explore what a melt flow index tester is, how it operates, and why incorporating it into your quality control process can be valuable. Whether you are just entering the industry or have years of experience, understanding the advantages of this testing method can help you maintain consistent quality and improve overall production efficiency. What Is a Melt Flow Index Tester? […]

Vacuum leak testing ensures the integrity of sealed or packaged products, such as bottles and containers, throughout the manufacturing, packaging, and product testing processes. Performing a vacuum leak test is one of the most fundamental ways to confirm that products are perfectly sealed and free from air or fluid leakage. This type of testing can identify even very small leaks that might otherwise lead to product failure, consumer complaints, or regulatory nonconformity. In this article, we will explain why vacuum leak testing is crucial, explore different types of vacuum leak testers, and discuss how investing in this equipment can deliver a strong return on investment (ROI). Additionally, we will review the […]

Friction is something we encounter every day—whether it’s the grip of your shoes on a wet floor or the smooth glide of a package on a conveyor belt. But how do we actually measure it? That’s where a coefficient of friction tester comes in. This tool helps determine how much force it takes for one surface to move across another. It may sound simple, but the data it provides has significant implications for industries such as packaging, manufacturing, and materials engineering. In this article, we’ll explore what the coefficient of friction means, how testers work, the formulas behind them, the difference between static and kinetic friction, and what factors influence […]

A Horizontal Tensile Tester is an essential piece of equipment used to evaluate the static tensile performance of various materials and components. Unlike traditional vertical tensile machines, this system adopts a horizontal structural layout, significantly expanding the testing space and accommodating large specimens or full-size samples that cannot be tested vertically. Its steel-frame configuration and mature testing technology make it suitable for metals, steel wires, chains, lifting belts, and structural components used in construction, shipping, heavy equipment, and defense applications. As demand for large-sample tensile testing continues to grow, understanding how to choose the right Horizontal Tensile Tester—and how to use it safely—has become increasingly important. Below is a detailed guide covering […]

Reinforcement Yarn and Thread for Industrial Hoses Synthetic yarns, such as nylon and polyester, are known for their relatively high shrinkage when exposed to heat. To maintain consistent physical and mechanical properties after extrusion, these yarns are commonly subjected to heat setting. This process involves stretching the yarn under controlled tension at elevated temperatures, permanently altering the fiber’s crystallinity and internal structure. The process ensures that the yarn maintains its dimensional stability and mechanical properties during subsequent high-temperature processing. By selecting precise heat-setting conditions—including temperature, tension, and exposure time—manufacturers can adjust the yarn’s shrinkage, strength, and elasticity to meet specific performance requirements. Properly heat-set yarns resist deformation during downstream processes, […]

Ensuring the quality and mechanical integrity of tablets is a cornerstone of pharmaceutical manufacturing. A tablet hardness tester plays a crucial role in this process by accurately measuring the mechanical strength of tablets to ensure consistent quality across batches. Available in both manual and digital formats, these devices help confirm that tablets can endure handling, packaging, and transport without breaking. By adhering to pharmacopoeial standards such as those outlined by USP and the European Pharmacopoeia, tablet hardness testing ensures that every product meets the strict quality benchmarks required for safe distribution. Whether during research and development or in full-scale production, these instruments are vital for optimizing formulations and maintaining batch […]