Nylon Injection Parts

The research on medical carbon materials started in the 1960s. At that time, carbon materials were found to have excellent anti-coagulation properties in the research on anti-coagulation materials for artificial blood vessels. After 1980, Bokros's pioneering work on carbon materials as biomedical devices has attracted widespread attention. Studies have shown that carbon materials have the advantages of good biocompatibility, little irritation to living tissue, non-toxic, non-carcinogenic, small specific gravity, and elastic modulus similar to that of human bone, which has the potential to become the fourth-generation implant material. Some of these nylon carbon fiber materials are also used in medical devices. The main products of Zhongwei Precision Machinery Co., Ltd. are nylon products, plastic products, ABS series, rubber products, etc. Types of injection molding materials that can be processed: polyethylene (PE), polypropylene (PP), nylon (PA, PA6, PA66), polyoxymethylene (POM), ABS, polyurethane (TPU), polyphenylene sulfide (PPS), polystyrene Carbonate (PC), Polyetheretherketone (PEEK), etc.

Product Description

1. Implementation standards: the company strictly implements ISO9001, ISO14001, IATF16949, VDA6.3 certification, and products have passed ROHS, FDA EU certification, etc.

2. Product material standards: ISO, GB, ASTM, SAE, EN, DIN, BS, AMS, JIS, ASME, DMS, TOCT, GB

3. Main processes: plastic injection molding, metal insert injection molding, investment casting, die-casting aluminum,

4. Available materials for injection molding:

Processable nylon products, plastic products, ABS series; injection molding material types: polyethylene (PE), polypropylene (PP), nylon (PA, PA6, PA66), polyoxymethylene (POM), ABS, polyurethane (TPU), poly Phenyl sulfide (PPS), polycarbonate (PC), polyether ether ketone (PEEK) and 3D printing can be customized according to customer requirements.

Product Feature

1. Anisotropy and designability

Carbon fiber composite materials such as nylon carbon fiber materials are anisotropic materials, and their properties are different along the fiber direction and perpendicular to the fiber direction, which brings a lot of freedom to the design. To change the properties of the product such as elasticity and strength to meet specific use requirements. The medical equipment parts often act on different parts of the human body, and the specific performance requirements of different parts are different.

For example, carbon fiber nylon composites have high fatigue resistance, flexibility and good biocompatibility, and are more suitable for the manufacture of prostheses for disabled patients than other materials. It makes artificial limbs with high strength, light weight and more perfect functions. The carbon fiber composite material used in the receiving cavity can well bear the weight of the human body, and can effectively control the prosthesis, making the residual limb more comfortable in the cavity. Not only does it have guaranteed strength, but it also allows the artificial knee to achieve a variety of performances because of a lot of weight loss. The main function of the prosthetic foot is to support the limb, generate thrust during movement, and at the same time compensate for the action of the triceps and flexors of the calf. Due to the special design and material of the energy storage foot, the energy storage effect is much higher than that of the traditional prosthetic foot. The energy storage foot made of high-elasticity and high-strength carbon fiber composite material is widely popular because of its light weight, which saves the patient's effort when walking. . In addition, the ankle joint and the connecting tube between the ankle and the calf prosthesis can also be made of carbon fiber composite materials, which can also achieve a lightweight and strong effect. It can also be used as a rehabilitation orthosis.

2. High X-ray transmittance

The transmittance of X-rays is related to the elemental composition, atomic number, density, and thickness of the penetrated material. The main elements of carbon fiber composites are C, H, and O. The atomic number is small, and the X-ray mass absorption coefficient is much lower than— general material. 1mm thick aluminum plate and carbon fiber composite material plate, their X-ray transmittance is 78% and 96% respectively, the aluminum plate scattering and absorption consumption is 22%, and the carbon fiber plate is only 4%.

For example: carbon fiber nylon reinforced DR flat panel detector, DR flat panel detector is a multi-functional high-resolution X-ray flat panel imaging device, mostly using amorphous silicon thin film transistors, photodiode arrays and high-sensitivity cesium iodide for direct growth and scintillation body and other advanced technologies to obtain extraordinary and stable image performance. The carbon fiber reinforced nylon material has good X-ray permeability, which can help X-rays penetrate the human body accurately and without error. After many conversions, a high-definition pattern is displayed on the screen. The X-ray perspective of the carbon fiber composite board is only less than 1.0mmAL of aluminum equivalent, and the board surface is smooth, light and compressive. It replaces the aluminum alloy board with obvious advantages and becomes a new choice for a new generation of digital X-ray imaging technology.

3. Good fatigue resistance

Carbon fiber composite materials such as nylon carbon fiber materials contain numerous fiber/resin interfaces. When cracks are generated by excessive external force, these interfaces can effectively prevent the further expansion of cracks and delay the occurrence of fatigue failure. Medical equipment is reused every day, and the good fatigue resistance of Nylon injection parts composites ensures the service life of the equipment.

Pictured: Rehabilitation walker made of carbon fiber composites

Summary: Many large hospitals at home and abroad have introduced carbon fiber medical equipment, and its use in the market is increasing. In the future, nylon carbon fiber medical device accessories manufactured by SLS technology will be welcomed by users.

Post Injection Molding Process

1. Processing equipment: CNC, WEDM, lathe, milling machine, drilling machine, grinder, etc.;

2. Surface treatment: For some products that require subsequent processing, we can provide surface treatment services to achieve the special purpose of customers. At present, we can provide degreasing, polishing, electroplating (gold, silver, nickel, tin, galvanized, etc.), anodizing, electrophoresis and other surface treatment services for precision parts.

Moulds and Inspection Fixtures

1. Mold service life: usually semi-permanent. (except for lost foam)

2. Mold delivery time: 10-25 days, (according to product structure and product size).

3. Tooling and mold maintenance: Zhongwei is responsible for precision parts.

Quality Control

1. Quality control: the defective rate is less than 0.1%.

2. Samples and trial run will be 100% inspected during production and before shipment, sample inspection for mass production according to ISDO standards or customer requirements

3. Testing equipment: automated visual inspection equipment can carry out 100% inspection of products, spectrum analyzer, golden elephant analyzer, three-coordinate measuring machine, hardness testing equipment, tensile testing machine.

Application