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CNC Prototyping and parts machining

Custom CNC Prototyping and Parts Service | China Manufacture

Vacuum Casting Service

Appearance model prototype and structure engineering model vacuum casting service

Urethane Casting Service

Providing production-quality plastic injection molding for small batch production runs such as prototype parts or low volume production runs of 20 to 100 pieces.

Surface Treatment Finishing

Bring the prototype or part look of your dreams to life.

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Plastic and metal parts Small and medium batches production manufacturing service

Partner with LKprototype to get high quality parts

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Prototype Model

Appearance and engineering structure prototype model Production

Prototype model production, delivery in as fast as 1 day

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Industries

Service Industry

Custom automotive prototype and parts

Custom automotive prototype and parts to accelerate innovation

Healthcare Industry Prototyping Services

Accelerate prototype product testing and verification, small and medium batches, and quickly promote product launch

Consumer Electronics Prototyping

Accelerate the development and innovation of consumer electronics products

Industrial Equipment

for your industrial equipment product development.

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Materials

More than 100 materials

Vacuum Casting Material

Vacuum Casting Material: High-precision, durable, versatile solutions for prototyping and low-volume production needs.

CNC Machining Metal

Custom CNC metal parts with precision, durability, and fast delivery. Perfect for automotive, aerospace, and industrial applications.

Urethane Casting Material

Urethane Casting Material: Durable, Precise, Cost-Effective Solutions for Prototypes and Small-Batch Manufacturing.

CNC Machining Plastics

Precision CNC plastic processing services to meet complex customization needs and provide high-quality and fast delivery solutions!

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LKprototype Company

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    Rapid CNC Prototyping and Parts machining

    Get online quotes for CNC prototypes through the LKprototype platform, with more than 65+ certified materials and 11+ surface treatment finishing processes, and make metal or plastic CNC prototypes and parts in a faster and higher quality way. There are a variety of materials to choose from, and custom production can be completed in as fast as 3 days. Verify the feasibility of product design, such as material verification, appearance, structure, and function, promote rapid mass production of products, and quickly bring products to market.

    Get Instant CNC Quote

    Join 3,500+ companies who work with LKprototype

    byd prototype

    Various materials: 46+ Certified Materials, 15+ Finishing Options

    ISO 9001:2015, ISO 13485, ISO14001:2015, IATF 16949:2016 certified.

    The fastest production time is only 1 day.with 97.4% of orders delivered on-time and in-full.

    1V1 engineering business online quotation, price accuracy 100%

    Strictly sign a confidentiality agreement NDA to give you peace of mind

    To help you get an idea of ​​our CNC machining capabilities, here are some of the prototype projects we have CNC manufactured. LKprototype is suitable for all types of CNC machined prototypes and final parts. So if you are looking for a CNC prototype and parts production company for your project, you don’t need to look anywhere else!

    Our prototype parts for the automotive industry
    Custom CNC Machine Stainless Steel Milling Prototype And Parts
    Get a quote

    What is CNC prototype and part machining service?

    CNC prototype and part machining service is the process of manufacturing prototypes or parts using computer numerical control (CNC) technology. This service can be precisely machined according to the design provided by the customer, and is suitable for a variety of materials such as metal, plastic, wood, etc. The core advantages of CNC machining are its high precision, high efficiency and repeatability, which can quickly produce products that meet the design requirements.

    In terms of prototyping, CNC machining can help companies quickly verify the feasibility of products in the design stage, test the design, materials and structure by making appearance or functional prototypes, and reduce potential risks in the product development process. For the production of small batches of customized parts, CNC machining can meet strict tolerance requirements and ensure the dimensional accuracy and quality consistency of parts.

    CNC machining services include a variety of processes such as milling, turning, drilling and grinding, which can process complex geometries and structures. Whether it is a single prototype model or a customized part produced in batches, CNC machining can provide flexible and professional support for product development and manufacturing.

    Service:

    Production quantity:
    Prototyping: 1-100 pieces
    Low volume: 101-10,000 pieces
    High volume: 10,001 pieces and up
    Delivery time:
    Most projects take 5 business days.
    Simple parts can be delivered in as little as 1 day.
    Get a quote

    Our CNC Prototype Machining Services

    The process of CNC machining for prototype models and custom parts LKprototype offers milling and turning services with high precision tolerances of up to 0.001 inches. In addition to standard machining, we provide value-added services such as CNC milling, EDM machining, and precision grinding, making us an ideal partner for designers and product developers looking to bring innovative concepts to life through top-quality custom components. Whether your project is straightforward or complex, our fully equipped machine shop is ready to take on the challenge. We not only ensure exceptional quality but also guarantee rapid delivery—simple custom mechanical parts can be shipped within just 3 day. Let’s get started.

    CNC Milling

    CNC Milling Prototype And Parts

    Capable of 3-, 4- and 5-axis machining of simple and complex prototype or part geometries.Higher precision, more exquisite appearance, better quality

    CNC Turning

    CNC Turning Prototype And Parts

    For cylindrical parts and prototypes. Our CNC turning processes cover a wide range of materials, including machining capabilities for machine-grade metals and plastics.

    Electrical Discharge Machining

    Wire and Sinker EDM are non-contact machining methods for cutting deep pockets, complex internal features, and holes with a keyway.

    Gear Hobbing

    A diverse selection of stock hobbing tools is offered for rapid delivery.Instant human evaluation, pricing and DFM feedback Prototypes or parts available in as little as 10 days Tight tolerances to ensure quality

    We support product prototypes to high-volume part production

    At Lkprototype, we support you from initial concept to fnal product with comprehensive prototyping and production solutions.

    PRODUCT PROTOTYPEING

    Rapid CNC Prototyping

    Our CNC machining technology helps you quickly create prototypes, accelerate product development, and validate your design process.15+ years of experience in the factory and engineers to ensure you high quality CNC prototypes

    • CNC machining, metal and plastic options available
    • Quickly iterate and refine designs with high accuracy.
    • Ensure your prototype meets your exact specifications.

    PARTS PRODUCTION

    Low and High-Volume CNC Production

    Use our LKprototype factory to mass produce high-quality CNC parts for you. Our own factory is different from other cooperative factories. We can 100% ensure the quality and production timeliness of the parts and deliver them on time.

    • Produce rapid prototyping and on-demand manufacturing in days.
    • ISO 9001:2015 Certified Factory
    • No Minimum Order Qualities

    CNC Prototype Machining Materials

    We work with a wide array of CNC materials, including both metals and plastics. Choose from aluminum, steel, brass, and more for your custom CNC prototype and machined parts.

    ABS Materials

    Acrylonitrile Butadiene Styrene (ABS) is a cost-effective thermoplastic that has gained popularity for use in pre-injection molding prototypes. This material is recognized for its versatility, strength, durability, and resistance to both impact and heat. ABS plastic is extensively utilized in the automotive and consumer electronics sectors, owing to its superior mechanical characteristics and straightforward processing capabilities. Furthermore, it can be readily modified with various additives to improve specific attributes, including flame retardancy and UV resistance.

    Mill Lead Time:As quick as 3 days
    Colors:Black, with a neutral matte finish.

    Learn more about ABS materials

    *For materials not shown here, please contact us directly

    PEEK Materials

    PEEK, or polyether ether ketone, is a thermoplastic extensively utilized across various sectors, including aerospace, automotive, and electronics. This material is characterized by its exceptional strength, stiffness, toughness, chemical resistance, biocompatibility, and thermal stability. These properties make PEEK an ideal choice for demanding environments where other materials might not perform adequately. Typical applications encompass aircraft structures, high-temperature electronic components, and medical and dental devices, including implants.

    Mill Lead Time:As fast as 3 days
    Colors:Opaque beige
    Grades:Standard PEEK, 30% Glass Filled

    Learn more about PEEK materials

    *For materials not shown here, please contact us directly

    PPS Materials

    Polyphenylene Sulfide (PPS) is a thermoplastic known for its outstanding chemical resistance, thermal stability, and ability to withstand high temperatures. It also offers excellent dimensional stability and electrical insulation properties. Typical applications of PPS include automotive parts, electrical connectors, and various industrial equipment, such as fuel systems, turbine blades, brake pads, bearings, gears, switches, and engine components. Components made from PPS maintain their durability and reliability even under challenging environmental conditions.

    Mill Lead Time:As fast as 7 days
    Colors:Natural (off-white)

    Learn more about PPS materials

    *For materials not shown here, please contact us directly

    PVC Materials

    PVC (Polyvinyl chloride) is a highly durable and versatile plastic known for its exceptional resistance to chemicals, UV radiation, and corrosion. It is widely used in various applications, including pipes, fittings, electrical enclosures, tubing, automotive interiors, and components for commercial buildings. Additionally, PVC is lightweight, cost-effective, and boasts a long service life.

    Processes:CNC Mill CNC Lathe
    Mill Lead Time:As fast as 5 days
    Finishing Options:Available as-machined

    Tolerance:With drawing: as low as +/- 0.005 mm

    No drawing:ISO 2768 medium

    Learn more about PVC materials

    *For materials not shown here, please contact us directly

    HDPE Materials

    High-density polyethylene (HDPE) is a highly adaptable thermoplastic recognized for its strength, resistance to chemicals, ability to withstand impacts, structural robustness, and minimal moisture absorption. This material is frequently utilized in various sectors, including packaging, construction, and automotive manufacturing. Additional uses encompass plugs and seals, and it serves as an outstanding electrical insulator.

    Mill Lead Time:As fast as 3 days
    Colors:White, black

    Learn more about HDPE materials

    *For materials not shown here, please contact us directly

    PTFE Materials

    PTFE (polytetrafluoroethylene, commonly known as Teflon™) exhibits low friction and nonstick characteristics, along with outstanding resistance to chemicals and high temperatures, as well as effective electrical insulation. This material is frequently employed in applications that require low friction, including bearings, seals, gaskets, and washers. Additionally, it is suitable for components that necessitate insulating capabilities.

    Mill Lead Time:As fast as 3 days
    Colors:Black, white (opaque)

    Learn more about HDPE materials

    *For materials not shown here, please contact us directly

    Aluminum alloys 6061 and 7075 Materials

    Aluminum alloys (such as 6061, 7075): Aluminum is light, durable, and easy to process, making it ideal for lightweight parts. It is widely used in mass production of prototypes and parts in aerospace, automotive, and consumer electronics.

    Prototype production:

    Lead Time:As fast as 3 days

    Learn more about Aluminum alloys 6061 and 7075 Materials

    *For materials not shown here, please contact us directly

    Precision Machining Tolerance

    Our CNC machines operate with precision tolerances that meet industry standards, ensuring that every part is consistently accurate and fits perfectly with other components.

    Classification Metals, PEEK, And
    ULTEM with Drawing
    Other Plastics
    with Drawing
    No Drawing
    Linear Dimension +/- 0.0025 mm
    +/- 0.0001 inch
    +/- 0.05 mm
    +/- 0.002 inch
    ISO 2768 Medium
    Hole Diameters
    (Not Reamed)
    +/- 0.0025 mm
    +/- 0.0001 inch
    +/- 0.05 mm
    +/- 0.002 inch
    ISO 2768 Medium
    Shaft Diameters +/- 0.0025 mm
    +/- 0.0001 inch
    +/- 0.05 mm
    +/- 0.002 inch
    ISO 2768 Medium

    Depending on the process, our platform can accommodate parts up to 48" in length. For larger parts, please contact us at: lk@lkprototype.com The tolerances listed here are ideal minimums. Depending on the process, material selection, or part geometry, looser tolerances may be required.

    CNC Machining Surface Finishes

    Surface Finishes Applicable Materials Colors Can Be Applied with
    Anodizing

    Aluminum Clear, black, grey, red, blue, gold Media Blasting, Tumbling, Alodine*
    Electroless Nickel Plating

    Aluminum, Steel, Stainless Steel ------- Media Blasting, Tumbling
    Alodine

    Aluminum Clear, gold Media Blasting, Tumbling, Type II Anodizing* Type III Anodizing with PTFE*

    *Additional finishing options include chromic acid anodizing, cadmium plating, copper plating, titanium anodizing (blue anodizing), gold plating, silver plating, and more. For materials not listed here,please contact us directly.

    Rapid CNC Prototyping and Parts machining FAQs

    1. What are the advantages of CNC prototypes over 3D printing?

    Answer: CNC prototypes are generally superior to 3D printing in terms of accuracy and material selection. CNC machining can process a variety of materials such as metals and plastics, and has a high surface quality, which is more suitable for functional testing and final product production.

    Understanding the Impact of Early Prototyping Involvement in Product Design

    The early involvement of prototyping experts plays a critical role in the product design process. By bringing these experts into the initial stages, design teams can leverage their skills to foresee and mitigate potential issues that could arise during manufacturing.

    Key Benefits of Early Expert Involvement:

    • Enhanced Collaboration: By integrating prototyping experts early, design and manufacturing teams work together seamlessly, ensuring a unified approach throughout the development process.
    • Identifying Challenges Early: These experts contribute valuable insights that help in pinpointing possible design hurdles long before they escalate into costly manufacturing issues.
    • Optimizing for Manufacturability: With their vast experience, prototyping professionals can suggest modifications that make the design both easier and more cost-effective to produce.
    • Performance Refinement: Early input ensures that the product not only meets but exceeds performance expectations, thanks to iterative testing and refinement guided by prototyping expertise.

    In summary, tapping into the knowledge of prototyping experts at the start of the design phase results in a smoother transition from concept to final product, with enhanced efficiency and quality.

    2. How long is the processing cycle of CNC prototypes usually?

    Answer: The processing cycle of CNC prototypes depends on the complexity of the design and the selected materials. Simple designs may be completed in 1-3 days, while complex prototypes may take 5-7 days or longer.

    3. How CNC Prototyping Cuts Down on Production Costs

    CNC Prototyping plays a crucial role in minimizing overall production expenses by tackling design and manufacturing challenges upfront. Here’s how:

    Early Identification of Flaws: By creating a prototype, potential issues in the design and production processes are identified before they escalate. This allows for quick adjustments, ensuring that costly mistakes don't make their way into mass production.

    Efficiency in Iterations: Instead of undergoing a complete production run to test a design, CNC Prototyping allows for iterative testing and refinement. This process saves significant expenditure associated with large-scale changes once production has begun.

    Material and Process Optimization: Through CNC Prototyping, businesses can experiment with various materials and methods to determine the most cost-effective options without committing substantial resources. This experimentation leads to optimized production processes, minimizing waste and reducing costs.

    Risk Mitigation: By simulating real-world usage and conditions during CNC Prototyping, unforeseen issues can be addressed, reducing the likelihood of expensive recalls or product failures after launch.

    Incorporating CNC Prototyping into the development phase can lead to strategic cost-saving opportunities, ensuring a smoother transition from concept to market-ready product.

    4. How to ensure the dimensional accuracy of CNC prototypes?

    Answer: Dimensional accuracy is guaranteed by precise CNC equipment, strict control of processing parameters, and post-testing. Using high-quality tools and cutters is also very critical.

    5. What are the most commonly used materials in CNC prototype manufacturing?

    Answer: Common materials include aluminum, copper, stainless steel, ABS plastic and nylon. These materials are widely used due to their excellent mechanical properties, processing and surface treatment effects.

    6. Can CNC prototypes be produced in small batches?

    Answer: Yes, CNC prototyping is very suitable for small batch production, especially when you need to quickly verify the design or market testing. Its flexibility and precision make it an ideal choice.

    7. Is CNC prototype suitable for complex geometries?

    Answer: CNC machining can handle very complex geometries, especially when using 5-axis CNC machines. However, some extremely complex designs may require special fixtures or step-by-step processing.

    8. What are the surface treatment options for CNC prototypes?

    Answer: Common surface treatments include sandblasting, anodizing, electroplating, and polishing. These treatments can improve corrosion resistance, hardness, or achieve specific aesthetic effects.

    9. What industries are CNC prototypes suitable for?

    Answer: CNC prototypes are widely used in many industries such as automotive, aerospace, medical devices, consumer electronics, industrial equipment, etc., and are particularly suitable for application scenarios that require high precision and functional verification.

    10. How to choose the right CNC prototype service provider?

    Answer: When selecting a supplier, you should consider its equipment capabilities, technical experience, delivery cycle, quality control system, and customer feedback. It is also important to understand whether it can meet specific design and material requirements.LKprototype What Are the Advantages of In-House Machining and Fabrication Capabilities?

    LKprototype In-house machining and fabrication capabilities offer a range of advantages that set companies apart from those who outsource these services:

    • Speed and Efficiency: By handling machining and fabrication tasks internally, companies can significantly reduce lead times. This efficiency means projects move from concept to completion much faster than if third-party services were involved.
    • Enhanced Quality Control: With every step of the process taking place under one roof, there's a greater ability to monitor and maintain quality standards. This control minimizes errors and ensures that each product meets high-performance criteria.
    • Cost-Effectiveness: Internal capabilities eliminate the need for outside contractors, reducing overall project costs. Savings can then be passed on to customers, making the service more competitive in the market.
    • Flexibility with Prototyping: Quick adjustments can be made during the prototyping phase, allowing for rapid iterations and improvements. This agility is crucial for meeting client specifications and adapting to changes swiftly.
    • Confidentiality and Intellectual Property Protection: Conducting all operations internally reduces the risk of intellectual property theft or leaks, keeping your designs and innovations secure.

    By integrating these capabilities in-house, companies enhance their overall operational effectiveness, delivering superior products with greater speed and reliability.

    11. Why is Prototyping Considered a Critical Phase in Product Development?

    Prototyping stands as a vital step in the journey of product development due to its multifaceted benefits. At its core, prototyping involves crafting an initial model of a product. This foundational step allows teams to explore and test various aspects, such as functionality and design, before scaling up to full production.

    Benefits of Prototyping:

    1. Spotting Design Flaws Early: By experimenting with a prototype, potential issues in both design and functionality can be identified before mass production begins. This proactive approach helps avoid costly revisions down the line.
    2. Enhancing Product Performance: Iterative testing of a prototype ensures that design tweaks and enhancements can be made efficiently, ultimately leading to a product that performs well under real-world conditions.
    3. Cost Efficiency: Early-stage adjustments save significant time and resources. By catching issues upfront, companies can sidestep expensive production missteps, optimizing their investment.
    4. Meeting Customer Expectations: Prototypes offer a tangible way to gauge whether a product will align with consumer needs and quality benchmarks, thus ensuring higher customer satisfaction upon release.

    In sum, prototyping is indispensable, allowing teams to refine and perfect a product, elevating it to meet both industry standards and consumer demands effectively.

    Learn More About

    Acrylic CNC Machining: Techniques, Applications, and Best Practices

    Acrylic CNC Machining: Techniques, Applications, and Best Practices

    Acrylic is a great material for acrylic CNC machining. It is affordable and can be used in many ways. It is easy to work with and looks clear and shiny, making it perfect for industries that require precise work. Acrylic is a good choice when you need a strong, see-through material at a low cost. Accuracy and speed are very important when performing acrylic CNC machining. Its density is 1.18 g/cm³, and its strength is 70 MPa. These features help you achieve excellent results without damaging the material. Acrylic also allows 92% of light to pass through, making it ideal for applications like signs and displays. Learning to machine acrylic well through acrylic CNC machining has many benefits. It reduces waste, speeds up production, and provides smooth finishes. Whether cutting, engraving, or shaping acrylic, you can achieve great results with the right tools and methods. Key Takeaways Acrylic is a…

    LKprototype 2025-04-29
    Different prototyping methods including additive manufacturing.

    Prototyping Manufacturing: Best Practices Explained

    Prototyping manufacturing helps you develop products efficiently. You create early test versions to spot and fix issues, saving time and money before mass production. This article explores best practices and techniques in prototyping manufacturing. Key Takeaways Prototyping manufacturing is essential for identifying design flaws early, reducing risks, and accelerating product development. The selection of the right prototyping method and materials significantly impacts the functionality, cost, speed of the product development process. Emerging trends, including advanced materials and automation, are enhancing prototyping efficiency and enabling the development of complex, high-quality prototypes. What is Prototypeing Manufacturing? Manufacturing prototypes involves the creation of preliminary models of a product to assess its design and functionality ahead of full-scale production. The main goal is to detect any potential issues early in the process, which can save both time and money. By committing resources to prototype development, companies can accelerate their overall development pace, nurture innovation,…

    LKprototype 2025-02-20
    An illustration showing the concept of RMS surface finish with microscopic peaks on a surface.

    RMS Surface Finish: Essential Guide and Calculation Methods

    RMS surface finish quantifies the smoothness of a surface’s microscopic peaks and valleys. A lower RMS value indicates a smoother and higher-quality surface. This article explains what RMS surface finish is, its importance, and how to measure it. Key Takeaways RMS surface finish is a crucial measure of surface quality in manufacturing. It indicates smoother surfaces with lower roughness values compared to other metrics. Calculating RMS involves determining the square root of the average of the squared deviations from mean profile height. This offers a detailed analysis of surface texture. Various contact and non-contact methods exist for measuring RMS surface finish. Specific tools like profilometers and interferometers are essential for accurate readings. Understanding RMS Surface Finish RMS surface finish meticulously quantifies the microscopic peaks and valleys on a surface, capturing the complete area covered by these irregularities. A smoother surface is represented by a lower RMS value, denoting fewer imperfections…

    LKprototype 2025-03-18

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    Dongguan LKprototype Model Co., Ltd.

    • Room 801, No. 10 Kuanggong Road, Chang'an Town, Dongguan City, Guangdong Province, China
    • +86 13717165942
    • lk@lkprototype.com
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    • Surface Treatment Finishing

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    • Plastic and metal parts production manufacturing

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