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LKprototype LKprototype

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  • Rapid CNC Prototyping & Precision Parts Machining — From Design to Production in Days.
  • Rapid CNC Prototyping & Precision Parts Machining — From Design to Production in Days.

    Upload your CAD files and get instant quotes for high-precision CNC prototypes and low-volume production parts. Verify the feasibility of product design,Whether you need prototype validation or small-batch production, our flexible CNC capacity ensures precision and consistency. such as material verification, appearance, structure, and function, promote rapid mass production of products, and quickly bring products to market.

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    Rapid CNC Prototyping & Precision Parts Machining — From Design to Production in Days.
    Rapid CNC Prototyping & Precision Parts Machining — From Design to Production in Days.

    Machine types:

    3-axis / 5-axis / turning-milling center

    Max work envelope:

    1200 × 600 × 400 mm

    Tolerance:

    ±0.01 mm

    Materials:

    Over 100 types of metals & plastics

    Finishes:

    Anodizing, polishing, painting, sandblasting, etc.

    Lead time:

    1–5 days depending on complexity

    Here are some examples of product prototypes we have produced:

    Our prototype parts for the automotive industry

    Our prototype parts for the automotive industry

    Custom CNC Machine Stainless Steel Milling Prototype And Parts

    Custom CNC Machine Stainless Steel Milling Prototype And Parts

    Custom CNC Machining Services for Precision Parts

    LKprototype provides professional CNC machining services for custom metal and plastic parts, supporting both rapid prototyping and low-to-high volume production. Our extensive CNC production network across China ensures every part meets tight tolerances and consistent quality — from prototype to volume production, always on time. Certified by ISO 9001 standards, we ensure each machined part meets your exact specifications and global delivery requirements.

    Custom CNC Milling Services

    Custom CNC Milling Services

    LKprototype offers high-precision 3-axis, 4-axis, and 5-axis CNC milling for complex geometries and tight-tolerance components. From aluminum and stainless steel to ABS and PEEK, our advanced equipment ensures outstanding surface finish and dimensional accuracy. Ideal for mold components, mechanical housings, and functional prototypes.

    Learn More about CNC Milling →
    Custom CNC Turning Services

    Custom CNC Turning Services

    Our CNC turning capabilities allow us to produce precision cylindrical parts such as shafts, connectors, and threaded components. Equipped with multi-axis turning centers and live tooling, LKprototype delivers both simple and intricate turned parts in metal and plastic materials. Fast lead times and consistent quality for every batch.

    Learn More about CNC Turning →

    CNC Prototype Machining Materials

    We work with a wide range of engineering materials to meet functional, mechanical, and appearance requirements.

    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

    CNC surface treatment processing

    CNC surface treatment processing enhances the appearance, durability, and performance of machined parts. After precision CNC machining, various finishing methods—such as anodizing, polishing, sandblasting, plating, or painting—are applied to improve corrosion resistance, wear resistance, and surface smoothness. These treatments not only provide protection but also ensure parts meet functional and aesthetic requirements across industries like automotive, aerospace, and electronics.

    As-machined

    As-machined: Maintains the original color and texture after machining, minimizing costs.

    Anodizing

    Anodizing: Suitable for aluminum, enhances corrosion resistance and can be dyed.

    Polishing

    Polishing: Creates a smooth, shiny metal surface, enhancing its appearance.

    Sand Blasting

    Sand Blasting: Creates a uniform matte texture and improves blemish coverage.

    Brushed Finish

    Brushed Finish: Creates a fine, uniform brushed finish, concealing minor scratches.

    Powder coating/powder spraying

    Powder coating/powder spraying: A thick, wear-resistant coating available in a variety of colors.

    Electroplating

    Electroplating: Coating a metal layer such as copper, nickel, or chromium onto a substrate to improve wear resistance and oxidation resistance.

    Black Oxidize

    Black Oxidize: Suitable for steel, offers some rust protection.

    Electropolishing

    Electropolishing: Chemically smooths the surface and reduces microcracks.

    Chromizing/Chromate Conversion Coating

    Chromizing/Chromate Conversion Coating: Enhances aluminum surface corrosion resistance and improves coating adhesion.

    Tumbling

    Tumbling: Suitable for small batches, creating a slightly textured but consistent surface.

    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

    How to cooperate with us (order)

    1: Submit Your Design Files

    Simply upload your CAD files in STEP, IGES, STL, or PDF format. Our engineers will personally review your design and respond with timely, helpful feedback.

    2: Choose Materials And Processes

    Work with our experts to choose the most suitable materials and manufacturing processes, ensuring your components meet every design and performance requirement.

    3: Get a Quote

    Upload your design files and select materials, and we'll provide a detailed quote within 24 hours.

    4: Confirm Your Order

    Please review the quotation and confirm your order. Our team will start production immediately upon confirmation.

    5: Production And Delivery

    We craft each part to match your precise specifications and ship it to your chosen address as scheduled.

    6: Order completed and comment

    We value your opinion! After receiving your order, please consider sharing your thoughts about our service — your feedback helps us build better experiences.

    Get Instant Quote

    Why Choose LK Prototype — Reliable Partner from Prototype to Production

    At LK Prototype, we turn your ideas into precision parts — quickly, accurately, and reliably.

    Fast, On-Time Delivery

    Our streamlined production process allows us to deliver high-quality parts in just days — right when you need them.

    Uncompromising Quality Standards

    Every part goes through strict inspections to ensure consistent quality and reliable performance.

    Complete Prototyping Solutions

    From CNC machining and vacuum casting to injection molding and 3D printing, we offer everything you need under one roof.

    Precision You Can Rely On

    We build every part to your exact specifications, delivering tight tolerances and smooth finishes that bring your designs to life.

    Expert Engineering Support

    Our experienced engineers work closely with you, offering guidance from design review through to final production.

    Confidentiality & IP Protection

    We keep your designs secure and never share them — NDAs are available, and all staff are banned from bringing digital devices into the factory.

    Industries We Serve

    We deliver fast, high-precision manufacturing solutions for diverse industries — from automotive and medical to consumer electronics and industrial equipment.

    Industrial Equipment Prototypes and custom parts

    Industrial Equipment Prototypes and custom parts

    LKprototype provides high-quality prototypes and small- to medium-volume manufacturing services for your industrial equipment R&D and innovation needs. We are a professional prototype and parts manufacturer with outstanding capabilities to…
    Healthcare Industry Prototyping Services

    Healthcare Industry Prototyping Services

    LKprototype enhances innovation and streamlines procurement within the medical technology sector, offering a range of solutions from diagnostic and surgical devices to imaging instruments and drug delivery systems, thereby assisting…
    Consumer Electronics Prototyping

    Consumer Electronics Prototyping

    Accelerate the development of the consumer electronics industry. From home electronic devices to entertainment electronic devices, we provide prototype to final small and medium batch testing services to help customers…
    Custom car prototypeing and parts to accelerate innovation

    Custom car prototypeing and parts to accelerate innovation

    Custom automotive prototyping and parts manufacturing servicesfor automotive product development. Streamlined manufacturingprocesses, competitive prices, and on-demand production.
    All industries

    Our customers often care about

    In practice, we have found that our customers often care about the following issues. Please select the relevant issues according to your project.

    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.

    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.

    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.

    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.

    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.

    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.

    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.

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

    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.

    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.

    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:

    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.
    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.
    Cost Efficiency: Early-stage adjustments save significant time and resources. By catching issues upfront, companies can sidestep expensive production missteps, optimizing their investment.
    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.

    Insights & Guides for CNC Machining Professionals

    Explore our latest articles to learn more about precision CNC Machining, material selection, and cost optimization.

    Computer Numerical Control (CNC): Technology, Applications, and Industry Impact

    Computer Numerical Control (CNC): Technology, Applications, and Industry Impact

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    Turning Ideas into Precision Prototypes & Parts

    Want to convert your CAD design into a sample prototype or small-batch production? Upload your files and get a fast and accurate quote.

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    LKprototype

    Dongguan LKprototype Model Co., Ltd.

    • Room 801, No. 10 Kuanggong Road, Chang'an Town, Dongguan City, Guangdong Province, China
    • +86 13717165942
    • [email protected]
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    SERVICE

    • Vacuum Casting Services
    • CNC Prototype Machining
    • Surface Treatment Finishing

    INDUSTRIES

    • Auto Innovation
    • Healthcare Industry Prototyping Services
    • Consumer Electronics Prototyping
    • Industrial Equipment

    SOLUTIONS

    • Appearance and engineering structure model
    • Plastic and metal parts production manufacturing

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    LKPrototype is your trusted partner for prototyping and production. CNC machining, vacuum casting, injection molding and 3D printing.

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