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Autoclave sealing ring mold: a powerful tool for precision manufacturing of medical device sterilization equipment

News / 05/19/2025

In the field of medical device sterilization equipment, the reliability and precision of the equipment are crucial, which is directly related to the sterilization effect and patient safety. As a key equipment, the sealing performance of the autoclave is of utmost importance. Today, let's talk about the precision manufacturing of the autoclave sealing ring mold and the key role played by the ultra-large full-service wire cutting machine processing.

Have you ever thought about how a seemingly simple sealing ring can withstand the pressure of tens of atmospheres in an autoclave and maintain stable sealing performance for a long time? This is inseparable from the precise mold manufacturing process. The super-large full-service wire cutting machine is the key to achieving this precision manufacturing.

Product analysis and challenges of case customers

Let’s take a leading manufacturer of medical device sterilization equipment as an example (hereinafter referred to as “the Customer”), whose products are known for their excellent performance and reliability. In the production process of its high-pressure sterilizer, the manufacture of sealing ring mold is a key link. This customer has extremely high requirements for the precision, surface finish and dimensional stability of the sealing ring mold.

Specifically, the customer's autoclave sealing ring mold mainly involves the following key components:

Mold cavity: This is the core part of the sealing ring molding. Its internal structure is complex and its size and shape need to be precisely controlled to ensure the accuracy and sealing performance of the sealing ring.

Mold core: The core determines the internal structure and size of the sealing ring, and also requires extremely high processing precision.

Sprue bushing: The sprue bushing is the channel for the molten material to enter the mold. The size and shape of its internal flow channel have an important influence on the quality of the sealing ring.

The difficulties in processing these parts are mainly reflected in the following aspects:

High precision requirements: Medical device sterilization equipment has extremely high requirements for sealing performance, which means that the sealing ring mold must have extremely high dimensional accuracy and shape accuracy, usually at the micron level. For example, this customer requires the dimensional tolerance of the mold cavity to be controlled within ≤±0.00 3 mm, and the surface roughness Ra to be less than ≤ 0.7-1.4 μm.

Complex structure processing: In order to meet the specific functional requirements of the seal ring, the mold cavity and core often have complex curved surfaces and fine features, which poses a great challenge to the performance and processing technology of the processing equipment. Traditional processing methods are difficult to meet these requirements and are prone to stress deformation and precision loss.

High-hardness material processing: In order to ensure the wear resistance and service life of the mold, high-hardness mold steel is usually used, such as SKD61, SKD11, etc. The hardness of these materials is as high as HRC50 or above, and the processing is very difficult. Ordinary processing equipment is easy to wear and it is difficult to ensure processing accuracy.

High efficiency requirements: The medical device market has a strong demand, and customers have high requirements for product delivery cycles. Therefore, mold processing efficiency is also crucial. How to improve processing efficiency while ensuring accuracy is another challenge facing mold manufacturers.

Advantages of ultra-large full-service wire cutting machine processing

In response to the above challenges, ultra-large full-service wire cutting machine processing technology has shown unique advantages:

High precision: technologies such as full closed-loop control, ultra-precision machining power supply, fine wire diameter control and precise tension control enable the ultra-large full-service wire cutting machine to achieve micron-level machining accuracy, perfectly meeting the high-precision requirements of high-pressure sterilization pot sealing ring molds.

Complex structure processing capability: Wire cutting is a process that removes material by moving the electrode wire. It can process parts of any complex shape without considering the interference of the tool. Therefore, it is very suitable for processing mold cavities and cores with complex surfaces and small features.

High-hardness material processing capability: Wire cutting processing adopts the principle of electro-erosion and is not limited by the hardness of the material. It can easily process various high-hardness mold steels without causing tool wear problems, ensuring processing accuracy and stability.

High efficiency: Zhikai CNC's ultra-large full-service wire cutting machine adopts advanced processing technology and efficient wire feeding system, which greatly improves processing efficiency, shortens the mold manufacturing cycle, and can help customers quickly respond to market demand.

Zhikai CNC: Your Trustworthy Partner

In addition to its outstanding performance in the field of high-pressure sterilizer sealing ring mold processing, Zhikai CNC's ultra-large full-service wire cutting machines are also widely used in the processing of other key parts in medical device sterilization equipment, such as:

Surgical instrument basket: Used to hold surgical instruments for sterilization. It needs to withstand high temperature and high pressure and requires a smooth surface to avoid damage to the instruments.

Instrument tray: used to fix surgical instruments, requiring high precision and high strength.

Connectors: used to connect various parts of the equipment, requiring high strength and corrosion resistance.

Zhikai CNC always insists on R&D as the core driving force, continuously invests in R&D resources, and is committed to providing customers with more advanced, more efficient and more precise wire cutting processing solutions. We have an experienced R&D team that can customize personalized processing solutions according to the specific needs of customers.

At the same time, Zhikai CNC has also established a complete after-sales service system and has a professional after-sales service team that can provide customers with timely and efficient technical support and after-sales service to ensure that customers' equipment is always in the best operating condition.

Choosing Zhikai CNC means choosing professionalism, peace of mind and success! We look forward to working with you to create a bright future in the field of medical device disinfection equipment!

Zhikai's medium-speed wire-cut machine tools are known for their ultra-high precision and excellent stability. Relying on core technologies such as the independently developed slow-speed wire-cut system and primary color processing high-frequency power supply, it provides customers with low-energy consumption and high-efficiency processing solutions. Comprehensive after-sales support and customized services ensure that every user can experience safe and reliable equipment performance. Zhikai interprets quality with strength. It has many machine tools, such as: 2.5-meter high-end metal wire cutting machine, 800 large-angle medium-speed wire cutting machine, DK7735 brand medium-speed wire cutting machine, super-large new metal wire cutting machine, DK7740 Pin-shaped EDM wire cutting machine, 800 small EDM wire cutting, large integrated medium-speed wire cutting machine, 800 machine tool EDM wire cutting, 630 swing EDM wire cutting, which injects strong impetus into the transformation and upgrading of industries such as power tools: precision gears in electric drill casing, papermaking machinery: surface treatment of paper conveying rollers, drone manufacturing: precision parts of drone camera stabilization gimbal, papermaking machinery: precision parts of paper cutting device, agricultural drone: lightweight design of drone fuselage frame.自媒体英文版23

If you have any needs, please contact Zhikai : 18013131588

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