China Shenzhen Perfect Precision Product Co., Ltd. company news

Why are drawing molds so expensive? The reason why stretch molds appear to be expensive is mainly due to a combination of factors, some of the main reasons include: Material Cost: Stretch molds are typically made from high-quality materials to ensure their durability and performance. These materials can be very expensive, especially for applications requiring high strength, high wear resistance, and high-temperature tolerance. Manufacturing Complexity: The fabrication of stretch molds often requires high-precision machining and manufacturing processes. This includes CNC machining, precision grinding, electrical discharge machining and other fine processes that require highly skilled operations and equipment. Engineering design: The design of the tensile mold usually requires experienced engineers, who need to consider the properties of the material, stress distribution, sample fixtures and other factors to ensure the accuracy and reliability of the test. Custom Requirements: Some stretch molds are custom-manufactured to meet the requirements of a specific application, which may involve additional costs for design, engineering, manufacturing and testing. Precision: Stretching molds generally require high precision to ensure the accuracy of test results. This requires very high precision in the mold manufacturing and assembly process. Quality Control: To ensure the quality and performance of drawing molds, strict quality control and testing are often required, which increases costs. Special material requirements: Some special applications may require the use of high-temperature materials, wear-resistant materials, or corrosion-resistant materials, which are more expensive. Market demand: Depending on market demand and supply and demand, the price of drawing molds may also fluctuate. Overall, the high cost of stretch molds is due to a combination of factors including materials, design, manufacturing, and accuracy. However, they play an important role in materials testing, quality control, and engineering design, so they are often viewed as tools worth investing in.

Stretching mold Tensile dies are mechanical devices used to conduct tensile testing, often used in materials testing and engineering applications to evaluate the mechanical properties, strength and deformation behavior of materials. Tensile testing is an important material testing method that measures the tensile properties of a material by applying tension in a vertical direction to a standardized specimen (usually a specimen with a circular or rectangular cross-section). Here are some key features and uses of stretch dies: Test material properties: Tensile molds are used to measure performance parameters such as tensile strength, yield strength, breaking strength, elongation and elastic modulus of materials. This data has important implications for material selection and design. Standardized testing: Tensile testing is a standardized testing method that usually follows international standards to ensure the comparability of test results. Different types of materials (metals, plastics, rubber, etc.) often require different types of tensile dies and testing procedures. Tensile Machine: Tensile testing often requires the use of specialized tensile machines or materials testing machines that have the ability to apply controlled force and record deformation. Sample Preparation: Tensile dies typically include clamps and templates used to prepare and clamp standardized tensile specimens. Material failure: Tensile testing often results in fracture of the material, providing information about the material's strength and toughness. Engineering applications: Tensile molds are not only used in materials testing laboratories but are also widely used in engineering design and quality control to ensure that product materials perform as expected. Materials Research: Tensile testing can be used to study the behavior of materials, such as their plastic behavior, fracture modes, and stress-strain curves. Drawing die design and specifications depend on the specific application and material type. As needed, they may come in different shapes, sizes and fixture configurations to accommodate different testing standards and material properties.

Stainless steel model Stainless steel types are usually defined by a standardized numbering and naming system to identify different types and alloys of stainless steel. Different international standards and organizations use different numbering systems, the most common of which are ASTM (American Society for Testing and Materials), AISI (American Iron and Steel Institute), EN (European Standards), JIS (Japanese Industrial Standards) and DIN (German Industrial Standards) standards) etc. Here are some common stainless steel models: AISI 304: Also known as 18-8 stainless steel, it is a common austenitic stainless steel used in food processing, kitchen equipment, and decorative materials. AISI 316: Has higher corrosion resistance and is commonly used in marine environments and chemical industry equipment. AISI 430: Ferritic stainless steel, often used in applications where high corrosion resistance is not required, such as automotive exhaust pipes. AISI 201: An austenitic stainless steel with moderate corrosion resistance used in decorative materials and household equipment. AISI 310: For high-temperature applications such as boilers and furnaces. AISI 420: Has higher hardness and wear resistance, usually used for cutting tools and machine parts. EN 1.4404 (X2CrNiMo17-12-2): A commonly used European standard stainless steel used in the chemical industry, food processing and pharmaceutical equipment. EN 1.4016 (X6Cr17): A ferritic stainless steel used in household appliances and general purposes. JIS SUS304: Austenitic stainless steel in Japanese Industrial Standard, similar to AISI 304. DIN 1.4571 (X6CrNiMoTi17-12-2): Stainless steel with titanium element, resistant to high temperatures and corrosion, commonly used in chemical equipment. These models represent only a small selection of stainless steel varieties. The choice of stainless steel depends on the requirements of the specific application, including corrosion resistance, strength, thermal properties, magnetism and processability. Therefore, when selecting stainless steel, its properties often need to be carefully considered to meet the needs of the application.  

stainless steel material Stainless steel is an alloy material that is not prone to rust or corrosion under certain conditions. Stainless steel has many excellent properties, including corrosion resistance, high strength, high-temperature resistance, and easy cleaning and maintenance, and therefore is widely used in various fields. Here are some of the main features and uses of stainless steel: Corrosion Resistance: One of the most notable characteristics of stainless steel is its ability to resist corrosion. This makes stainless steel an ideal material for use in humid environments, the chemical industry, food processing and medical equipment. High Strength: Stainless steel typically has high tensile strength and hardness, making it suitable for applications that need to support large loads, such as building structures and machine parts. High-temperature resistance: Some stainless steel alloys can maintain strength and durability in high-temperature environments, so they are used in high-temperature applications such as heat exchangers, boilers, gas pipes and engine parts. Aesthetics: Stainless steel has a bright appearance and is easy to clean and maintain, so it is often used in household equipment, kitchen utensils, tableware and decorative materials. Food Safety: Stainless steel is highly compatible with food safety and is therefore commonly used in food processing equipment, kitchen equipment and food storage containers. Medical Applications: Due to its high corrosion resistance and biocompatibility, stainless steel is widely used in medical devices and surgical tools. Construction field: Stainless steel is used in the construction field, including building exteriors, roofs, suspension devices and bridge structures. Chemical Industry: Due to its corrosion resistance, stainless steel is used to store and transport chemicals, oil and gases. There are many types and alloys of stainless steel, each with different properties to meet the needs of different applications. Some common types of stainless steel include austenitic stainless steel, ferritic stainless steel, and duplex stainless steel, which have different compositions and performance characteristics. Selecting the appropriate type of stainless steel often depends on the application's environment, requirements and cost considerations.

What is a trapezoidal thread? Trapezoidal Thread is a special-shaped thread with a trapezoidal cross-section. It is usually used to convert rotational motion into linear motion to achieve tasks such as tightening, lifting, positioning and adjustment. Trapezoidal threads are often used in applications requiring high loads and stability because they provide a larger contact area and higher self-locking properties. The following are some characteristics and applications of trapezoidal threads: Trapezoidal Shape: Trapezoidal threads have a trapezoidal shape in cross-section, usually with a flat top and a flat bottom. This shape provides a larger contact area, making the thread more stable under high-load conditions. Self-locking: Trapezoidal threads generally have high self-locking properties, which means that once load stops being exerted on the threads, the threads will remain in their current position and will not loosen themselves. This makes trapezoidal threads very useful in applications where positioning and locking are required. Purpose: Trapezoidal threads are widely used in various mechanical systems, including lifting mechanisms, lifting tables, screw conveyors, engineering machinery, machine tools, actuators in hydraulic and pneumatic systems, lifting brackets, manual adjustment devices, etc. Pitch: The pitch of a trapezoidal thread determines the amount of linear displacement per revolution. A larger pitch provides faster linear displacement, while a smaller pitch provides higher torque and slower displacement speeds. Accuracy: Trapezoidal threads can provide high accuracy and are suitable for applications that require accurate control of displacement. Lubrication: In order to ensure the normal operation of trapezoidal threads, proper lubrication is usually required to reduce friction and wear. Overall, trapezoidal thread is a very useful thread type used in a variety of linear motion control applications that require high stability and accuracy. Different trapezoidal thread specifications and sizes can be selected according to the requirements of the specific application.  

What is a lead screw? Lead Screw is a mechanical device usually used to convert rotary motion into linear motion. It consists of a long, spiral lever (usually made of metallic material) whose threads mate with a nut that moves linearly along the axis of the screw as it rotates. Such mechanical devices are commonly used in many applications, including industrial machinery, automation systems, lifting mechanisms, machine tools, and 3D printers. Here are some key features and uses of lead screws: Convert motion type: The screw is used to convert rotary motion into linear motion. As the lead screw rotates, the nut moves linearly along the axis of the lead screw, making it suitable for applications requiring precise linear motion control. Accuracy and Stability: Lead screw systems typically provide highly precise linear motion and are suitable for tasks requiring accurate position control. They also have good stability and rigidity and can support large torques and loads. Application: Lead screw systems are widely used in various fields, including CNC machine tools, 3D printers, robotic arms, lifting platforms, conveyor belts, focus adjustment devices, mechanical motion control systems, etc. Pitch and linear speed: The pitch of the screw (the number of spirals per unit length) determines the linear speed, which is the speed at which the nut moves on the screw. A larger pitch generally provides faster line speeds. Transmission ratio: By selecting the appropriate screw and nut combination, different transmission ratios can be achieved to meet the needs of different applications. Screw Diameter: The diameter of a screw affects its torque capacity. Generally, a larger diameter screw can support greater loads and torque. Lubrication: Good lubrication is a key factor in ensuring the efficient operation and longevity of your screw system. In general, the lead screw is an important mechanical transmission device that enables precise linear motion control and is suitable for a variety of applications. Different types of screw systems are selected based on specific needs and conditions.

What is a gearbox? A gearbox is a mechanical device used to change the rotation speed and torque in a mechanical system. It consists of a set of gears with different sizes and numbers of teeth that mesh to transmit power and change the rotational relationship between the input and output shafts. Gearboxes are commonly used in a variety of machinery applications to suit different working conditions and performance requirements. The following are the main features and applications of gearboxes: Speed and Torque Adjustment: The gearbox allows the rotational speed and torque of the output shaft to be adjusted by selecting a combination of gears of different sizes. Larger gears reduce output speed but increase output torque, while smaller gears achieve the opposite effect. Transmission direction: Gearboxes can also be used to change the direction of rotation, such as counterclockwise or clockwise rotation from the input shaft to the output shaft. Power transmission: Gearboxes are commonly used in a variety of mechanical applications, including automobiles, aircraft, construction machinery, electric motors, industrial machinery and transmission systems, to transmit power and control rotation. Precision performance: Gearboxes provide highly precise performance, ensuring accurate speed and torque output, and are suitable for applications that require stable operation, such as machine tools, clocks and precision instruments. Reduce vibration and noise: Vibration and noise can be reduced through a carefully designed gearbox, making the mechanical system smoother and quieter. Maintenance and durability: Gearboxes typically require regular maintenance, including adding lubricants and replacing parts. Well-maintained gearboxes generally have a long service life. Gearbox design and selection depend on the requirements of the specific application, including required speed ratio, torque requirements, space constraints and environmental conditions. Different types of gearboxes include worm gearboxes, helical gearboxes, planetary gearboxes, etc., and they all have their own advantages in different applications.

What is EDM? Electrical Discharge Machining (EDM) is a non-traditional machining method that uses electric sparks to remove material from the workpiece. It is usually used to process hard materials or complex-shaped parts that are difficult to machine. This process involves an electrical spark discharge between the workpiece and an electrode, causing the material to be sequentially corroded and gradually formed into the desired shape. Here are some key features and principles of EDM: Working principle: The basic principle of EDM is to establish an electric field between the workpiece and the electrode, and generate electric sparks through high-voltage current discharge. These electric sparks generate high temperatures on the surface of the workpiece, melting and evaporating the material, thereby removing tiny material particles from the workpiece and gradually forming the desired shape. Hard materials: EDM is often used to process hard materials that are difficult to machine, such as high-speed steel, carbide, ceramics and steel molds. This makes it very useful in areas such as mold making and aerospace. High precision: EDM can achieve very high machining accuracy, typically in the range of a few microns. This makes it suitable for manufacturing parts that require a high degree of accuracy. Complex shapes: Because EDM is non-contact, it can handle complex internal and external contours, making it useful in manufacturing complex parts and molds. Surface quality: EDM typically produces very smooth surfaces that eliminate the need for subsequent grinding, saving process time. Cutting speed: Although EDM can provide high precision and quality, it is generally a relatively slow process and therefore suitable for precision manufacturing rather than high production volumes. Electrical discharge machining is usually performed by specialized machines that control the position and shape of the discharge, depending on the desired workpiece shape and size. Although it is slower, EDM is an important machining method when working with difficult-to-machine materials and manufacturing high-precision parts.

What is a nut? A nut is a mechanical connecting element that usually has an internal thread structure and is used to mate with bolts or screws. The main function of the nut is to fix the bolt or screw to other parts and provide tightening force to ensure the stability and safety of the connection. The following are the basic characteristics and uses of nuts: Thread Construction: A nut usually has internal threads, which allow it to rotate on the external threads of a bolt or screw. By rotating the nut, it can be pulled against the bolt or screw, creating a tightening force. Material: Nuts are usually made of metal (such as steel, stainless steel, copper, aluminum, etc.) or plastic. Material selection depends on the application, taking into account strength, corrosion resistance and environmental conditions. Type: There are many types of nuts, including hex nuts, square nuts, round nuts, lock nuts, plug nuts, etc. Different types of nuts are suitable for different applications and connection methods. Purpose: Nuts are often used with bolts or screws to secure parts together, such as in mechanical, structural, automotive, electronics, furniture, and other fields. They play an important role in assembly and repair. Size: The size of a nut is usually determined by the diameter and pitch of its internal threads. Nuts of different sizes match bolts or screws of different sizes. Nuts are an integral part of mechanical connections, they allow for detachable connections between components, thereby facilitating maintenance and repair. Depending on the specific application needs, it is important to select the appropriate type and size of nut to ensure a strong and reliable connection.

What is instrument gear?   Instrument gears are a special type of gear commonly used in instruments and timing devices to measure and display physical parameters such as time, speed, position, etc. They are designed for high accuracy and stability and are used in precision instruments such as clocks, timers, instrumentation, motors, computer equipment and scientific instruments. Instrument gears have some of the following characteristics and applications: Accuracy: Instrument gears often require a very high degree of accuracy to ensure accurate time, speed or position measurements. Their tooth surface design and manufacturing are often subject to extremely high precision requirements. Low Noise: Instrument gears are often required to operate with low noise, so they are designed and manufactured with an emphasis on reducing vibration and noise during gear meshing. Stability: These gears are typically designed for long-term, continuous operation and need to maintain highly consistent performance. Small size: Instrument gears are usually smaller because they are often used in small instruments and equipment. High material requirements: Instrument gears are usually made of high-quality materials, such as stainless steel or other alloys, to ensure their stability and durability. Usage: Instrument gears are commonly used in clocks and watches, timers, motors, computer hard drives, scientific laboratory equipment, medical equipment and other applications that require high-precision measurement and stability. The design and manufacture of instrument gears requires highly specialized skills to ensure their accuracy and reliability. They play a key role in fields that require precision measurement and time control.