Industrial Applications of High-Strength Socket Head Screws

  High-strength socket head screws are indispensable components in various industrial applications due to their superior strength, reliability, and versatility. These fasteners are designed to handle high-stress environments and ensure secure and durable connections. Here, we explore the key industrial applications where high-strength socket head screws play a crucial role.Therefore, this is the choice custom screw The reason, there is no denying its positive impact. https://shwhardware.com

  

  1. Aerospace Industry

  

  The aerospace industry demands fasteners that can withstand extreme conditions, including high temperatures, vibrations, and stress. High-strength socket head screws are used extensively in aircraft assembly, engine components, and avionics. Their ability to maintain integrity under intense pressure and temperature variations makes them ideal for aerospace applications.

  

  socket head screws

  

  2. Automotive Manufacturing

  

  In the automotive industry, precision and durability are paramount. High-strength socket head screws are used in assembling critical components such as engines, transmissions, and suspension systems. These screws ensure that the connections remain secure even under the strain of high-speed operations and harsh driving conditions.

  

  3. Heavy Machinery and Equipment

  

  Heavy machinery and industrial equipment require fasteners that can endure significant loads and mechanical stress. High-strength socket head screws are used in construction equipment, agricultural machinery, and mining equipment. Their robust construction and reliable performance make them essential for maintaining the structural integrity of these machines.

  

  4. Marine Applications

  

  Marine environments pose unique challenges, including exposure to saltwater, which can lead to corrosion. High-strength socket head screws, particularly those made from corrosion-resistant materials such as stainless steel or titanium, are used in shipbuilding, offshore platforms, and marine equipment. These screws ensure long-lasting performance and reliability in harsh maritime conditions.

  

  5. Medical Devices

  

  Precision and reliability are critical in the medical field. High-strength socket head screws are used in the manufacturing of medical devices and equipment, such as surgical instruments, diagnostic machines, and implants. Their ability to provide secure and stable connections is vital for patient safety and the proper functioning of medical devices.

  

  6. Electronics and Telecommunications

  

  The electronics and telecommunications industries require fasteners that can provide precise and secure connections in compact and sensitive devices. High-strength socket head screws are used in assembling electronic components, circuit boards, and communication equipment. Their small size and high strength make them ideal for ensuring the reliability and longevity of electronic devices.

  

  7. Renewable Energy

  

  In the renewable energy sector, high-strength socket head screws are used in the construction and maintenance of wind turbines, solar panels, and hydroelectric equipment. These screws ensure the stability and durability of structures exposed to varying weather conditions and mechanical stresses.

  

  8. Manufacturing and Assembly Lines

  

  High-strength socket head screws are widely used in manufacturing and assembly lines for securing machinery, fixtures, and tooling. Their reliable performance helps maintain the efficiency and safety of production processes.

  

  socket head screws

  

  Conclusion

  

  High-strength socket head screws are essential components across various industries due to their exceptional strength, reliability, and versatility. From aerospace and automotive to medical devices and renewable energy, these screws play a critical role in ensuring the integrity and performance of industrial applications. Their ability to withstand high-stress environments and provide secure connections makes them a preferred choice for engineers and manufacturers worldwide.

What Are the Key Features of the V1 Sonic Electric Toothbrush

  When it comes to maintaining optimal oral hygiene, selecting the right toothbrush is crucial. The V1 sonic electric toothbrush stands out as a high-quality option, designed to provide an exceptional cleaning experience. Below, we explore the key features that make this toothbrush a standout product.Actually, it’s not just this reason, high quality tooth brush Its own advantages are also obvious, and it is normal for the market to perform well. https://www.21brush.com

  

  Advanced Sonic Technology

  

  The V1 Sonic Electric Toothbrush is equipped with advanced sonic technology, delivering up to 40,000 brush strokes per minute. This high-frequency vibration ensures deep cleaning by effectively removing plaque and debris from teeth and gums. The technology also creates microbubbles that enhance the brushing experience, reaching areas that manual toothbrushes often miss.

  

  Multiple Brushing Modes

  

  The V1 Sonic Electric Toothbrush offers several brushing modes to cater to different oral care needs. Whether you have sensitive teeth, need a gentle massage for your gums, or require intense cleaning, this toothbrush has a mode for you. These options allow users to customize their brushing routine, ensuring a comprehensive and comfortable experience.

  

  V1 sonic electric toothbrush

  

  Long Battery Life

  

  One of the standout features of the V1 Sonic Electric Toothbrush is its long-lasting battery. With just a few hours of charging, the toothbrush can last up to three weeks, making it perfect for travelers and those who prefer minimal charging. The toothbrush also features a low-battery indicator, so you’re never caught off guard.

  

  Ergonomic Design

  

  The V1 Sonic Electric Toothbrush is designed with user comfort in mind. Its ergonomic handle provides a secure and comfortable grip, making it easy to maneuver during brushing. Additionally, the toothbrush is lightweight, reducing hand fatigue during use.

  

  High-Quality Manufacturing

  

  Manufactured by a reputable high-quality sonic toothbrush manufacturer, the V1 Sonic Electric Toothbrush meets the highest standards of durability and performance. The materials used in its construction are safe, reliable, and designed to last, ensuring you get the best value for your investment.

  

  Waterproof Functionality

  

  The V1 Sonic Electric Toothbrush is fully waterproof, allowing you to use it in the shower without any concerns. This feature adds convenience to your daily routine and ensures the toothbrush can withstand moisture without compromising its performance.

  

  Smart Timer and Quadpacer

  

  To encourage optimal brushing habits, the V1 Sonic Electric Toothbrush comes equipped with a smart timer and quadpacer. The smart timer ensures you brush for the dentist-recommended two minutes, while the quadpacer alerts you every 30 seconds to switch quadrants, promoting even cleaning across your entire mouth.

  

  Conclusion

  

  The V1 Sonic Electric Toothbrush is packed with features that cater to various oral care needs. From advanced sonic technology to multiple brushing modes and an ergonomic design, this toothbrush is a top choice for those seeking a high-quality sonic toothbrush. As a product of a leading manufacturer, it promises durability, efficiency, and a superior cleaning experience.

  

  If you’re considering upgrading your oral care routine, the V1 Sonic Electric Toothbrush is an excellent investment. With its impressive array of features and reliable performance, it’s a toothbrush that delivers on its promises.

High-Speed Cable Twisting Machine Manufacturer Revolutionizing Cable Production

  In the fast-paced world of cable manufacturing, efficiency and precision are paramount. As demand for high-quality cables continues to grow, manufacturers are turning to advanced machinery to meet industry needs. Among these innovations, high-speed cable twisting machines have emerged as a game-changer. These machines offer unparalleled speed, accuracy, and consistency, making them indispensable for cable production.more importantly, HengYi plastic extruder manufacturer Made a fighter in the product, not afraid of any competitor’s attack. https://hengyimach.com/

  

  The Importance of High-Speed Cable Twisting Machines

  

  High-speed cable twisting machines are designed to twist multiple wires or strands together at a rapid pace, ensuring a uniform and tight twist. This process is crucial for producing cables with superior electrical properties and mechanical strength. By automating the twisting process, manufacturers can achieve higher productivity, reduce labor costs, and minimize errors.

  

  Key Features of a High-Quality High-Speed Cable Twisting Machine

  

  When selecting a high-speed cable twisting machine, it¨s essential to consider the following features:

  

  Speed and Efficiency: The machine should offer high twisting speeds while maintaining precision.

  

  Versatility: It should handle various wire sizes and types, from small gauge wires to larger cables.

  

  Durability: The machine must be built to withstand continuous operation and the rigors of industrial environments.

  

  Automation and Control: Advanced control systems allow for precise adjustments, ensuring consistent output quality.

  

  800 High-speed Copper Twisting Machine

  

  Why Choose a Reputable Manufacturer?

  

  Choosing the right manufacturer for high-speed cable twisting machines is critical for ensuring long-term success in cable production. Reputable manufacturers, like those you can explore on Hengyi Machinery, offer not only top-quality machines but also reliable after-sales support and maintenance services. Their expertise ensures that your production line operates smoothly and efficiently.

  

  Benefits of Partnering with a Leading Manufacturer

  

  Innovative Technology: Leading manufacturers invest in research and development to bring the latest technological advancements to their machines.

  

  Customization Options: They offer customizable solutions tailored to specific production needs.

  

  Comprehensive Support: From installation to training and maintenance, top manufacturers provide comprehensive support to maximize machine performance.

  

  Conclusion

  

  Investing in a high-speed cable twisting machine from a reputable manufacturer is a strategic move for any cable production company. It not only enhances production efficiency but also ensures the consistent quality needed to meet the demands of modern cable applications. Explore the offerings of leading manufacturers, like those found on Hengyi Machinery, to find the perfect solution for your production line.

How to Choose the Perfect Memory Foam Travel Pillow for Your Next Trip

  Traveling can be exhilarating, but long journeys often come with discomfort, especially when it comes to sleep. A quality memory foam travel pillow can make all the difference, providing support and comfort during flights, road trips, or even train rides. However, choosing the right one involves considering several factors to ensure it meets your specific needs. Here¨s a guide to help you choose the perfect memory foam travel pillow for your next trip.consequently memory foam pillow I also got a lot of attention and wanted to join the ranks. https://tainengjikang.com/

  

  How to Choose the Perfect Memory Foam Travel Pillow for Your Next Trip

  

  JK796

  

  1. Consider Your Sleeping Style

  

  The first step in choosing a memory foam travel pillow is to consider your sleeping style. Do you usually sleep with your head tilted to one side? Do you prefer sleeping upright or leaning forward? Understanding your typical sleeping position will help you choose a pillow that provides adequate support and aligns your neck and spine properly.

  

  2. Neck Support and Comfort

  

  One of the primary benefits of a memory foam travel pillow is its ability to contour to the shape of your neck and head, providing personalized support. Look for a pillow with medium to firm density memory foam, as this will offer the best balance of comfort and support. The pillow should maintain its shape and provide consistent support throughout your journey.

  

  3. Size and Portability

  

  The size and portability of the travel pillow are crucial factors, especially if you have limited space in your carry-on luggage or backpack. Opt for a pillow that is compact and lightweight yet offers sufficient support. Many memory foam travel pillows come with compression bags or travel cases that make them easier to carry and store when not in use.

  

  4. Material and Breathability

  

  Check the material used in the pillow cover and the breathability of the memory foam itself. A breathable cover helps regulate temperature and keeps you cool during warm journeys. Some pillows feature moisture-wicking properties to prevent sweat buildup, enhancing comfort, especially on long flights or in humid conditions.

  

  5. Adjustability and Versatility

  

  Consider whether you prefer a traditional U-shaped pillow or a more versatile design that can be adjusted to different sleeping positions. Some memory foam travel pillows offer adjustable straps or toggles that allow you to customize the fit around your neck. This adjustability ensures maximum comfort and support, regardless of how you prefer to sleep.

  

  6. Ease of Maintenance

  

  Travel pillows can accumulate dirt and odor over time, so choose one that is easy to clean. Look for pillows with removable and washable covers, or those that can be spot-cleaned with ease. This feature not only helps maintain hygiene but also prolongs the lifespan of your travel pillow.

  

  7. Durability and Longevity

  

  Invest in a travel pillow that is durable and built to last. Quality memory foam retains its shape and resilience over time, ensuring that your pillow continues to provide optimal support through multiple trips. Check customer reviews and product specifications to gauge the durability of the pillow before making a purchase.

  

  8. Reviews and Recommendations

  

  Before finalizing your decision, read reviews and recommendations from other travelers who have used the pillow. Honest feedback can provide valuable insights into the pillow¨s comfort, support, and overall performance during real-world use. Look for pillows with high ratings and positive reviews to ensure satisfaction.

  

  9. Budget Considerations

  

  While quality should be your priority, consider your budget when choosing a memory foam travel pillow. There are options available across different price ranges, so you can find a pillow that meets your needs without breaking the bank. Compare features and prices to make an informed decision that aligns with your budget.

  

  10. Trial Period and Return Policy

  

  If possible, choose a memory foam travel pillow that comes with a trial period or a generous return policy. This allows you to test the pillow and determine if it suits your comfort preferences before committing to it for your travels. A satisfaction guarantee ensures peace of mind and helps you make a confident purchase decision.

What preparations should be made before installing LED display

  The service experience and service life of LED display screen are affected by many factors, so before determining the LED display screen project, it is necessary to investigate the installation site in order to provide a good operating environment for LED display screen.We have every reason to believe. led poster display It will become the mainstream of the industry and will gradually affect more and more people. https://www.cnpled.net/

  

  1) The LED display screen has different requirements for the use environment, and the outdoor LED display environment is more complicated, so the installation position, orientation, viewing distance, local climate and other factors of the screen body need to be considered;

  

  2) The bearing force of the display screen is related to the safety performance of the display screen, so it is necessary to determine the structural stress point and the best installation method of the screen body through on-site investigation, asking Party A’s personnel and consulting architectural drawings.

  

  3) Confirm the position of the control room and the strong and weak wiring of the building according to the site building drawings or Party A’s personnel, and determine the direction and length of the cable of the screen body, so as to make the whole screen body more beautiful;

  

  4) In addition to considering the structure of LED display screen, the placement position of other auxiliary equipment (such as audio, exhaust fan, air conditioner, etc.), the wrapping of external structure, outdoor lightning protection facilities and the setting of maintenance channels should also be well planned to ensure the long-term, reliable and safe operation of LED display screen.

Is a Curved Screen Desktop Self-Service Ordering Machine Easy to Maintain

  Curved screen desktop self-service ordering machines are becoming increasingly popular in various industries, including retail and food services. As a manufacturer, XTD offers advanced self-service kiosks that provide an intuitive customer experience. However, a crucial question often arises: Is a curved screen desktop self-service ordering machine easy to maintain?In addition to domestic, self service ordering kiosk It has also emerged in the international field and gradually gained the favor of more foreign friends. https://www.xtdkiosk.com

  

  1. Durability of Curved Screens

  

  Curved screens, known for their sleek aesthetics and immersive display, are not just visually appealing but also highly durable. The curved design helps reduce external pressure, making them less prone to cracks compared to flat screens. XTD¨s self-service machines use high-quality tempered glass and scratch-resistant materials, ensuring long-term durability with minimal need for repairs.

  

  2. User-Friendly Maintenance

  

  Maintenance for these machines is straightforward. XTD designs its self-service ordering machines with easy access to internal components, such as the touch screen, printer, and payment modules. Technicians can easily remove and replace parts without needing specialized tools, reducing downtime and repair costs.

  

  curved screen desktop self-service ordering machine

  

  3. Software Maintenance

  

  XTD¨s desktop self-service machines come equipped with intuitive software that simplifies troubleshooting. Automatic updates ensure the system is running smoothly and securely, minimizing the need for manual intervention. Moreover, remote diagnostics allow operators to identify issues in real-time, enabling faster maintenance responses.

  

  4. Cleaning and Upkeep

  

  Cleaning a curved screen is just as easy as a flat one. The smooth, curved surface reduces the accumulation of dust and fingerprints, and cleaning can be done with a simple wipe using a soft cloth. XTD also offers optional anti-glare and anti-fingerprint coatings, further reducing the need for frequent cleaning.

  

  5. Component Longevity

  

  XTD¨s self-service ordering machines are built with long-lasting components. The touch screens are designed to handle thousands of interactions per day without losing responsiveness. Additionally, the payment terminals, receipt printers, and other accessories are modular, making replacements quick and cost-effective. This makes long-term maintenance less frequent and more manageable.

  

  6. Customization and Easy Integration

  

  XTD¨s curved screen self-service ordering machines are customizable, allowing for various integrations depending on the business¨s needs. This modular approach ensures that businesses can easily upgrade or modify their machines without needing to replace the entire unit, further enhancing ease of maintenance.

  

  curved screen desktop self-service ordering machine

  

  Conclusion

  

  In summary, XTD¨s curved screen desktop self-service ordering machines are not only stylish and functional but also easy to maintain. Their durability, user-friendly maintenance features, and modular components make them a cost-effective solution for businesses looking to streamline operations. With remote diagnostics, minimal cleaning needs, and easy part replacement, these machines are an excellent long-term investment for businesses in the retail, food, and service industries.

How Do Geothermal Heat Pumps Work?

  Geothermal heat pumps, also known as ground source heat pumps, are an efficient and sustainable solution for heating and cooling homes. They utilize the stable temperatures found underground to provide consistent and eco-friendly climate control. Let’s dive into how these systems work and why they are an excellent choice for both heating and air conditioning needs.From some points of view, Inverter heat pump It is the core driving force to better promote the rapid development of the surrounding markets. http://mangoenergyheatpump.com

  

  What is a Geothermal Heat Pump?

  

  A geothermal heat pump is a system that leverages the earth’s natural heat to provide heating, cooling, and often hot water for residential and commercial buildings. Unlike conventional HVAC systems that rely on outside air temperatures, geothermal systems use the relatively constant temperature of the ground as a heat source in winter and a heat sink in summer.

  

  

  How Do Geothermal Heat Pumps Work?

  

  1. Ground Loop System:

  

  Closed-Loop Systems: These are the most common and involve a loop of piping buried in the ground or submerged in water. The loops can be installed horizontally, vertically, or in a pond/lake.

  

  Open-Loop Systems: These systems use groundwater from a well or surface body, which is returned to the source after heat exchange.

  

  2. Heat Exchange Process:

  

  Heating Mode: During winter, the fluid in the ground loop absorbs heat from the earth. This heat is then transferred to the heat pump unit inside the building. The heat pump compresses the absorbed heat to a higher temperature and distributes it through the building’s ductwork or radiant heating system.

  

  Cooling Mode: In the summer, the process is reversed. The heat pump extracts heat from the indoor air and transfers it to the cooler ground via the ground loop. This removes heat from the home and effectively cools it down.

  

  3. Distribution System:

  

  Once the heat is extracted from the ground and conditioned by the heat pump, it is distributed throughout the home via traditional ductwork or a radiant floor system.

  

  

  Benefits of Geothermal Heat Pumps

  

  1. Energy Efficiency:

  

  Geothermal heat pumps are significantly more efficient than traditional heating and cooling systems. They can achieve efficiencies of 300-600%, meaning they can produce 3 to 6 units of heating or cooling for every unit of electricity consumed.

  

  2. Environmental Impact:

  

  By using renewable energy from the earth, geothermal systems reduce reliance on fossil fuels and decrease greenhouse gas emissions. They are a greener choice for sustainable living.

  

  3. Cost Savings:

  

  Although the initial installation cost of a geothermal heat pump can be higher, the system pays for itself over time through lower operating costs. Homeowners can save up to 70% on heating, cooling, and hot water bills.

  

  4. Longevity and Durability:

  

  Geothermal systems have fewer moving parts and are sheltered from outdoor elements, leading to longer lifespans. The underground loop systems often come with warranties of 50 years or more.

Perfect Your Baking with Silicone Donut Pans Tips and Benefits

  Baking enthusiasts are always on the lookout for tools that make the process easier and the results better. One such tool that has gained popularity in recent years is the silicone donut pan. These versatile, non-stick pans can transform your donut-making experience. In this blog post, we¨ll explore the benefits of silicone donut pans and provide some tips to help you get the most out of your baking sessions.According to professional reports, silicone overmolding parts There will be a great period of growth, and the market business is constantly expanding, and it will definitely become bigger and bigger in the future. https://lxsiliconeparts.com/

  

  silicone donut pans

  

  Why Choose Silicone Donut Pans?

  

  1. Non-Stick Surface

  

  Silicone donut pans offer a non-stick surface that ensures your donuts come out perfectly every time. This means less hassle when it¨s time to remove the donuts from the pan and a more enjoyable baking experience.

  

  2. Flexibility

  

  Silicone is a flexible material, making it easy to pop your donuts out of the pan without damaging them. This flexibility also makes storage a breeze, as the pans can be easily folded or rolled up.

  

  3. Easy to Clean

  

  Cleaning up after baking can be a chore, but silicone donut pans are dishwasher safe, making cleanup quick and easy. Even if you choose to wash them by hand, a simple rinse with soap and water will do the trick.

  

  4. Heat Resistance

  

  Silicone bakeware can withstand high temperatures, usually up to 450<F (232<C), making it safe for use in both the oven and microwave. This heat resistance ensures that your silicone donut pans will last for many baking sessions.

  

  5. Versatility

  

  Silicone donut pans aren¨t just for donuts. You can use them to make a variety of treats, including mini cakes, muffins, and even savory dishes like egg bites. This versatility makes them a valuable addition to any kitchen.

  

  silicone donut pans

  

  Tips for Baking with Silicone Donut Pans

  

  1. Grease the Pans

  

  While silicone is non-stick, a light coating of cooking spray or oil can ensure even easier removal and cleaner edges on your donuts.

  

  2. Use a Baking Sheet

  

  Place your silicone donut pan on a baking sheet before filling it with batter. This will provide stability and make it easier to move the filled pan in and out of the oven.

  

  3. Fill Evenly

  

  For uniform donuts, fill each cavity about two-thirds full. This will help ensure that your donuts bake evenly and have a consistent shape.

  

  4. Cool Completely

  

  Allow your donuts to cool completely in the pan before removing them. This will help them retain their shape and make them easier to handle.

  

  5. Experiment with Recipes

  

  Don¨t be afraid to get creative with your donut recipes. Silicone donut pans can handle a variety of batters, so experiment with different flavors and ingredients to find your perfect donut.

  

  Conclusion

  

  Silicone donut pans are a fantastic addition to any baker¨s toolkit. Their non-stick, flexible, and easy-to-clean nature makes baking donuts a joy. Whether you¨re a seasoned baker or a novice, these pans can help you create delicious, perfectly shaped donuts with ease. So, why not give silicone donut pans a try and take your baking to the next level?

Detailed Explanation of Screw Cold Heading Process

  In the fastener forming process, cold heading (extrusion) technology is a main processing technology, which belongs to the category of metal pressure processing. In production, at room temperature, external force is applied to the metal to form the metal in a predetermined mold. This method is usually called cold heading. In fact, the forming of any fastener is not only achieved by cold heading. In the cold heading process, in addition to upsetting deformation, it is also accompanied by positive and negative extrusion, compound extrusion, punching, rolling and other deformation methods. Therefore, the name of cold heading in production is just a habitual name. To be more precise, it should be called cold heading (extrusion).Now, everyone is right non standard fasteners Are more concerned, hoping to get more benefits from it. https://jieruifasteners.com/

  

  Cold heading (extrusion) has many advantages, and it is suitable for mass production of fasteners. Its advantages can be summarized as follows:

  

  High steel utilization rate. Cold heading (extrusion) is a method with little or no cutting. For example, when machining hexagonal bolts and cylindrical hexagon socket screws of rod type, the steel utilization rate is only 25% to 35% by cutting method, while by cold heading (extrusion), its utilization rate can be as high as 85% to 95%, which is only some process consumption of material head, material tail and cutting hexagonal head edge.

  

  High productivity. Compared with general cutting processing, the efficiency of cold heading (extrusion) is more than dozens of times higher.

  

  Good mechanical properties. The strength of parts processed by cold heading (extrusion) method is much better than that of cutting processing because the metal fiber is not cut off.Suitable for automated production. Fasteners (including some special-shaped parts) suitable for cold heading (extrusion) method are basically symmetrical parts, suitable for production by high-speed automatic cold heading machine, and also the main method of mass production.

  

  In short, the cold heading (extrusion) method for processing fasteners and special-shaped parts is a processing method with a very high comprehensive economic benefit. It is a processing method commonly used in the fastener industry. It is also an advanced processing method that is widely used and has great development both at home and abroad.

  

  Cold heading, cold pressing:

  

  At room temperature, the blank is placed in the mold of an automatic cold heading machine or a press, and pressure is applied to the mold. The relative movement of the upper and lower molds is used to deform the blank in the mold cavity, reduce the height, and increase the cross section. This pressure processing method is called cold heading for automatic cold heading machines and cold pressing for presses. In actual production, the cold forming process of fasteners is often accompanied by extrusion during the cold heading process. Therefore, the cold heading process of fastener products is actually a composite processing method that has both cold heading and extrusion.

  

  

  Deformation methods of cold heading (extrusion):

  

  1. Punching. Separate part of the blank from the main body, such as cutting of wire, punching of nuts, trimming of the head of hexagonal bolts, etc.

  

  2. Upsetting. A processing method that shortens the height of the blank and increases the cross-section, such as ball upsetting of nuts, pre-upsetting and fine upsetting of bolt head forming, etc.

  

  3. Positive extrusion. During cold heading, when the blank is deformed in the lower die, the flow direction of the metal is consistent with the movement direction of the upper die. The reduction of the thick rod in cold heading bolts and cylindrical head hexagon socket screws is a positive extrusion.

  

  4. Reverse extrusion. During the deformation of the blank, the flow direction of the metal is opposite to the movement direction of the upper die. The head forming of the cylindrical head hexagon socket screw belongs to reverse extrusion.

  

  5. Compound extrusion. During the deformation of the blank, part of the metal flow direction is the same as the movement direction of the upper die, and part is opposite to it, that is, there is both positive extrusion and negative extrusion during the deformation. For example, the cylindrical head hexagon socket screw has both rod diameter reduction (positive extrusion) and head forming (negative extrusion) during the deformation at the same station.