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2024-05-17

CNC Machining of Centrifuge Parts for Medical Laboratory Equipment - AbleMed

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The centrifuge is a commonly used instrument in medical laboratories, used to rapidly spin samples and separate different components in the sample using centrifugal force. The principle of the centrifuge is to use centrifugal force to cause particles or cells in the sample to sediment or separate, thereby achieving separation and purification purposes. Centrifuges can be classified into various types based on their design and functionality, including benchtop centrifuges, benchtop high-speed centrifuges, ultracentrifuges, etc. Different types of centrifuges have different maximum speeds, capacities, and applicable ranges.


Which parts of the centrifuge require CNC machining:


The key components of the centrifuge include the rotor, stator, bearing housing, rotor blades, and casing. Among them, the rotor and stator are core components that require precise machining to ensure balance and stability; the bearing housing requires accurate dimensions and surface quality for bearing installation; the rotor blades affect the performance of the centrifuge and require precise shapes and sizes; the casing needs to be machined by CNC to ensure proper dimensions and shape. The machining of these parts is crucial for the functionality and performance of the centrifuge, determining its operational efficiency and stability.


The process of machining these parts using CNC:


During theCNC machining process of centrifuge parts, engineers first review the design and machining drawings of the parts. Then, appropriate materials are selected and cut into blanks of corresponding sizes according to the design requirements. Next, CNC machine setup is performed, where the cut blanks are securely clamped onto the machine bed to prevent movement or vibration during machining. Subsequently, machining programs are written to set cutting paths, speeds, feed rates, and other parameters based on the design and process route.


Following setup, rough machining commences. In this phase, the parts undergo initial machining according to the programmed instructions to remove excess material and approximate the final shape. This is followed by finishing machining, where the parts are finely machined using various tools and machining strategies to achieve the required dimensions and surface quality as per the design specifications. After machining is complete, parts are inspected to ensure dimensions and shapes meet requirements, with necessary adjustments and corrections made as needed.


Finally, surface treatments such as grinding, polishing, or anodizing are performed as required to enhance surface quality and corrosion resistance. Ultimately, the machined parts are assembled into the centrifuge, completing the assembly and debugging process to ensure the centrifuge meets the required precision, quality, and performance standards, thus ensuring its normal operation and stability.


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How to choose medical equipment parts machining and surface treatment factories?


When selecting a parts machining factory in the medical industry, it is advisable to choose a factory primarily focused on medical-related business. These factories have accumulated extensive experience in medical parts and can provide assistance early in the process, such as optimizing structures, suggesting materials, proposing machining solutions, and reducing costs. Additionally, these factories are familiar with the specific characteristics and quality management of the medical field, and can quickly respond to various testing reports.


However, in more specific selection criteria, it is essential to ensure the quality management system of the factory, such as the ISO 13485 Quality Management System for Medical Devices. Factors to consider include the implementation of the system, quality control of parts, machining equipment and services, and delivery.


If you are looking for a manufacturer of medical equipment parts, consider AbleMed. We specialize in precision machining for the medical industry, focusing on high-precision parts for medical robots, laboratory equipment, and clinical analysis instruments. We offer surface treatments such as low-temperature hydrogen peroxide plasma sterilization without fading. Contact us at linna@ablemedicaldevice.com or call  +86 173 2215 6162.


FAQ


Do plastic parts also use CNC machining?


Plastic parts are indeed commonly manufactured using CNC machining. CNC machining of plastic parts is primarily used for small-batch trial production or prototype validation during the design phase. It can be employed to machine various types of plastics, including polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), polystyrene (PS), polycarbonate (PC), polyamide (PA), polyester (PET), and others.


The main characteristics of CNC machining are?


CNC machining, which controls the motion of tools using computers, features high precision, flexibility, automation, adaptability to complex shapes, efficiency, programmability, and reduced human errors. It is widely utilized in the medical equipment industry because the foundation of medical device operation relies on precision and stability.


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