High-tolerance precision five-axis machining of titanium alloy prosthetic parts

     This is a prosthetic part. The following is an analysis:

  Appearance and Structure

     Overall Shape: 

 This prosthetic part is constructed from multiple components, resembling a multi-link mechanism. It primarily consists of rod- and plate-shaped components connected by bolts. This structural design provides good flexibility and adjustability.

     Material Speculation: 

 The part is entirely black and is made from a lightweight, high-strength alloy, titanium alloy. Titanium alloy is not only strong and corrosion-resistant, but also biocompatible, making it suitable for prosthetic parts that come into contact with the human body. Connectors (bolts, etc.) are made of stainless steel to ensure secure and corrosion-resistant connections.

     Connections: 

 Multiple bolted connections are visible. These allow for relative rotation between the components, simulating the movement of human joints and enabling flexible multi-dimensional motion in the prosthesis. Some joints are equipped with joint bearings to reduce friction and enhance smoothness of movement.

 Function

     Motion: 

 This multi-link structure is used to simulate the movement of complex joints, such as the knee and elbow. The relative rotation between the connecting rods mimics the motion of human joints in movements such as flexion, extension, and rotation, providing prosthetic users with a near-natural joint movement experience, helping them walk, grasp objects, and more freely.

     Adjustable Function: 

 The bolted connection not only secures the components but also offers adjustment. Users or professionals can adjust the tightness of the bolts or ｒｅｐｌａｃｅ connecting rods of different lengths to adapt the prosthesis to the user's physical characteristics and needs, achieving a personalized fit.

    Application Scenarios

 This system is primarily intended for patients with upper or lower limb joint loss due to trauma, disease, or other causes, helping them regain partial limb function and return to normal life and work. For example, knee prosthetic components can help lower limb amputees regain standing and walking; elbow prosthetic components can assist upper limb amputees with arm flexion, extension, and rotation.

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