定制三维打印解决方案
At Lewei, Get 3D printed prototypes and production parts of high precision, delivered with rapid turnaround times. With the latest technologies, we guarantee high quality products whether in the small batches or the large scale production. tart your project today and receive an instant quote!
- Achieve tolerances as fine as ±0.001 inches for flawless parts.
- Get your parts as quickly as 1 day with expedited lead times.
- ISO 9001:2015, AS9100D, ISO 13485, and ITAR compliant manufacturing for trusted results.
Customized 3D Printing Services.
In Lewei Precision, we are experts in complex 3D printing in order to satisfy your special project needs. Be it the need to acquire high-quality, precision parts in large volumes, or the need to process them at very quick turnaround times, our solutions provide high-quality results. Discover our potential in 3D printing services and discover the right process to use.
SLA has high-resolution 3D printing with smooth finishes that are perfect when it comes to detailed prototypes and complex designs. Ideal in those assignments with high accuracy and smooth appearance.
HP MJF is intended to be used in producing high-speed parts of high strength. This technology is very good in manufacturing parts with high mechanical properties and details that are complex enough to be used in functionality.
SLS is a powder that is used to create very powerful and strong parts. It is ideal in complex geometries and functional components and works best in end-use applications.
SLM applies laser to liquefy metal powders to create metal components with high strength. This method is perfect in aerospace, medical and industrial applications because it is long-lasting and precise to use under harsh conditions.
乐为精密的 3D 打印服务如何运作
Lewei Precision works with an international system of hi-tech 3D printing capability to provide both small-volume prototypes and mass-volume production components. The parts are manufactured with high dimensional accuracy and visual quality and done in a layer-by-layer printing process. Each custom 3D printed part will be carefully checked according to the requirements of your specific project, which gives consistent output of all of your projects.





3D 打印材料
我们提供多种材料,包括 ABS 和 PA(尼龙)等塑料以及铝和不锈钢等金属,非常适合各种工业 3D 打印应用。如果您有特定的材料需求,请在我们的报价配置页面选择 "其他",我们将根据您的要求为您提供准确的材料。
机械加工、阳极氧化、粉末喷涂、电镀、喷漆、喷砂、抛光
铜具有高度导电性和延展性,是电线和管道的首选。铜的天然抗菌特性也使其成为医疗应用的理想材料,同时其美观性也适合装饰品和艺术品。
橘红色
铜 C101(T2)、铜 C103(T1)、铜 C103(TU2)、铜 C110(TU0)、铍铜
机加工、抛光、喷砂、滚揉、电抛光、镀铝、热处理、黑色氧化、化学镀镍、镀铬、拉丝处理
$$$
约 5 个工作日
青铜是铜和锡的合金,以耐用和耐腐蚀而著称。青铜的强度和耐恶劣环境的能力使其广泛应用于航海、雕塑和轴承等领域。
金属棕色
锡青铜
机加工、抛光、喷砂、滚揉、电抛光、镀铝、热处理、黑色氧化、无电解镍、镀铬、粉末喷涂、拉丝处理
约 5 个工作日
钢是一种坚固且用途广泛的材料,广泛应用于建筑和制造业。高抗拉强度使其适用于结构部件,而不同的子类型则增强了其在工具和机械等特殊应用中的性能。
银灰色
钢 1018、1020、1025、1045、1215、4130、4140、4340、5140、A36、模具钢、合金钢、凿形工具钢、弹簧钢、高速钢、冷轧钢、轴承钢、SPCC
机加工、电镀、钝化、粉末喷涂
约 7 个工作日
不锈钢具有防锈和防污的特点,是厨房用具和医疗设备的理想材料。其强度和美观性也使其成为建筑设计和汽车部件的热门选择。
银灰色
不锈钢 SUS201、SUS303、SUS 304、SUS316、SUS316L、SUS42、SUS430、SUS431、SUS440C、SUS630/17-4PH、AISI 304
机加工、电镀、钝化、粉末喷涂
约 7 个工作日
镁重量轻而强度高,常用于对减重要求极高的航空航天和汽车应用领域。镁的机加工性能使其可以加工出复杂的形状,同时它还因其出色的导电性能而被广泛应用于各种电子设备中。
白银色
镁合金 AZ31B、AZ91D
机加工、抛光、喷砂、滚揉、镀铝、热处理、阳极氧化、特氟龙涂层、非电解镍、喷漆、粉末涂层、电泳
约 8 个工作日
3D Printing Tolerance
| 特点 | 典型公差 | Engineer Reality Notes |
|---|---|---|
| 孔径 | ±0.20–0.30 mm | Holes almost always print undersized |
| Hole Position | ±0.20 mm | Cumulative error across layers |
| 平整度 | 0.30 mm / 100 mm | Large flat faces warp |
| 壁厚 | ±0.15毫米 | Thin walls amplify variation |
| Surface Finish (Ra) | 6.3–12.5 µm | Depends heavily on layer height |
| Threaded Features | 不推荐 | Print + tap for accuracy |
3D Printing Surface Finish Options
Lewei Precision provides numerous surface finish options to increase the quality, durability and the appearance of your 3D printed components. Our services can be used to fulfil your personal project requirements, whether it involves a smooth finish, protection, or a unique texture.
As-machined finishes leave the raw, rough texture preferred in functional prototypes or inside parts. It’s an ideal choice when aesthetics aren’t a priority but precision is
Painting forms not only some color to your parts but also offers protection to them. Choose from a range of finishes to enhance your part’s visual appeal and durability for end-use applications.
我们的 polishing service reduces roughness, leaving your parts with a smooth, glossy finish, ideal in parts where the customer sees it, or the part that needs an exceptional finish.
Anodizing offers durable and corrosion-resistant surfaces to metal components. This process also allows for vibrant color options, adding both strength and a polished look to your parts.
Add electroplating to your 3D printed parts to enhance their strength, wear resistance, and conductivity. Most suitable in parts needing better durability and electricity capability.
Texturing gives your parts a custom pattern that improve grip as well as giving them a personalized look. Ideal in components that require an increased level of tactile characteristics.
3D Printing Tolerances
| 参数 | 规格 |
|---|---|
| 一般公差 | ±0.2 mm for metals / ±0.5 mm for plastics |
| 严格公差 | ±0.05 mm |
| 表面处理 | Ra 3.2–0.8 μm |
| Maximum Build Size | Varies by process (up to 1400 mm) |
三维打印服务
At Lewei Precision, we provide 3D printing solutions (made to your specifications) to suit your production processes, such as rapid prototyping or mass production. Services offered by us have fast turnaround times, high accuracy, and quality.
三维打印
Quickly move from design to prototype with our rapid prototyping service. We also use the latest tool of 3D printing to provide high-resolution and precise parts to validate designs and test them.
- Lead time: 1–5 Days
真空铸造
Our low-volume production service is ideal when using emerging products where quality is to be maintained as well as speed of delivery and it is ideal in market testing and when approaching small to medium quantity production.
- Lead time: 5–15 Days
注塑成型
For high Volume, we have the mass production capacity that can offer efficient and accurate parts and still be of high quality and tight tolerance where it would be needed.
- Lead time:2–4 Weeks
乐为精密三维打印技术
我们为每种 3D 打印工艺提供详细的指南,强调其独特的标准,帮助您根据打印要求做出明智的决定。我们的数控机床以符合行业标准的精密公差运行,确保每个部件都始终如一地精确,并与其他部件完美配合。
特点 | 服务级协议 | MJF | SLS | SLM |
最小壁厚 | 无支撑墙为 0.6 毫米,两侧有支撑墙为 0.4 毫米 | 至少 1 毫米厚;避免墙壁过厚 | 从 0.7 毫米(PA 12)到 2.0 毫米(碳填充聚酰胺) | 0.8 毫米 |
层高 | 25 微米至 100 微米 | 约 80 微米 | 100-120 微米 | 30 - 50μm |
最大构建尺寸 | 1400x700x500mm | 264x343x348 毫米 | 380x280x380 毫米 | 320x320x400 毫米 |
尺寸公差 | ±0.2mm(对于 >100mm,应用 0.15%) | ±0.2mm(对于 >100mm,应用 0.25%) | ±0.3mm(对于 >100mm,应用 0.35%) | ±0.2mm(对于 >100mm,应用 0.25%) |
3D 打印材料
Our 3D printing services support industry-standard polymers and metals used across prototyping and low-volume production.
Material selection depends on printing technology, strength requirements, and end-use application.
Lightweight metal used for functional prototypes and production-grade parts.
Grades
AlSi10Mg
High-temperature nickel alloy for extreme operating environments.
Grades
铬镍铁合金 718
Hard, wear-resistant alloy used in medical and high-stress applications.
Grades
CoCr
Strong and corrosion-resistant for industrial and functional components.
Grades
316L
17-4 PH
High strength-to-weight ratio with excellent corrosion resistance.
Grades
Ti-6Al-4V
塑料
Tough plastic suitable for functional prototypes and enclosures.
Grades
ABS
Flexible material for elastic and impact-resistant components.
Grades
TPU
Easy-to-print material for visual models and basic prototypes.
Grades
Standard PLA
Balanced strength and flexibility with good chemical resistance.
Grades
PETG
Strong and durable material for mechanical and functional parts.
Grades
PA12
PA11
UV-resistant plastic suitable for outdoor applications.
Grades
ASA
High-detail material used for visual models and precision parts.
Grades
Standard Resin
Tough Resin
Engineering Resin
快速在线 3D 打印服务
急需 3D 打印零件?只需上传您的三维模型文件,如[.STP]、[.STEP]或[.STL]格式,即可实现无缝处理。我们的平台会快速分析您的设计,提供即时的定制报价,以实现最佳的可制造性。
在我们专家的指导下,从各种材料和表面处理中进行选择,以确保成本、功能和美观的最佳平衡。我们使用高分辨率的 3D 打印机,将您的设计以非凡的精度变为现实。每次打印都经过严格检查,确保符合您的规格要求。享受快速交付,高品质打印件最快可在第二天送达。
面向不同行业的 3D 打印技术
Lewei Precision provides custom 3D printing services tailored to meet the unique requirements of industries such as automotive, aerospace, healthcare, and more. We offer specialized solutions designed to address the specific needs of each sector, ensuring high-quality, precision parts for a range of applications
3D Printing Workflow - Our Process
At Lewei Precision, we ensure every part is produced with top-notch precision and quality. The efficient 3D printing we have is a guarantee that you will obtain your custom parts in a high quality, reliable, and timely manner.
工程审查
Upload your 3D design, and our expert engineers will assess it for manufacturability.We guarantee that your design is streamlined to performance, cost and speed of production.
3D Printing Process
Once your design get approved, we start the process of 3D printing it with the most suitable technology, either SLA or SLS, MJF or any other technology. This will make sure that your part is cut in the suitable material and accuracy.
后期处理
After printing we apply methods of surface finishing to enhance the part appearence and functional. We also perform strict quality checks in order to make sure it is of our high standards.
Inspection and Shipping
Each parts are then subjected to a last check in terms of dimension and general quality. Upon approval, it is well packed and delivered to your doorstep where you can use it up.
为什么选择我们
At Lewei Precision, we believe in providing the best 3D printing solutions to bring your ideas to life in a precise, fast and quality manner. You need quick prototypes, low volume production, or even complicated custom parts, we have the skills and means to take care of your unique needs.
Advanced Printing Technologies
Lewei Precision provides the latest 3D printing processes, such as SLA, SLS and MJF, according to the demands of your project.
Accelerate your product development with lead times as short as 1 day and get your 3D printed parts.
Produce high-precision 3D printed parts that allow a tolerance of as low as ±0.001 inches, guaranteeing quality and consistency.
什么是 3D 打印?
3D 打印或增材制造是一种创新技术,可根据数字文件构建三维物体。该过程逐层添加材料,直至实现最终形状。传统制造通常是从较大的块体上切割材料,而三维打印则不同,它能以最少的浪费创造出复杂的几何形状和精细的细节。它广泛应用于各行各业,包括原型设计、产品开发、医疗植入和航空航天。凭借在定制、速度和成本效益方面的优势,3D 打印已成为现代制造业的重要工具。
Comprehensive 3D Printing Quality Control & Inspection
At Lewei Precision, the quality and accuracy of each 3D printed component are our main concern. We will inspect all the parts to the highest standards of dimensional accuracy with the help of sophisticated inspection equipment, including CMM (Coordinate Measuring Machines), optical scanners, and digital micrometers. We are either ordering a prototype or a part that is production grade and this precision is ensured by our careful inspection process to ensure that you get the accuracy that you require in your 3D printing work.
Besides dimensional accuracy, we also comply with GD&T (Geometric Dimensioning and Tolerance) standards, which will guarantee that both dimensional and geometric accuracy conforms to ISO 2768-mK, and ASME Y14.5. We also perform detailed surface testing to verify Ra 3.2–0.8 μm roughness and confirm coating thickness. To provide full transparency, we offer comprehensive traceability through Material Certificates (MTRs), FAI reports和 CMM data sheets, ensuring that all your parts meet industry regulations and your specific needs.
优势
Benefits of 3D Printing
三维打印 delivers distinct advantages over traditional manufacturing methods, with an unprecedented level of flexibility, speed and precision in its various applications.
- Tailored Solutions: Develop fully customized components to the unique design needs without the complexity and high cost associated with conventional ways.
- Advanced Design Freedom: Develop extremely complex design and structure, which become common to traditional manufacturing methods, and provide an opportunity to innovate.
- Efficient Material Use: 3D printing produces only the necessary material to print, not waste like in conventional subtractive processes, saving money spent on materials.
- Accelerated Prototyping: Haste the prototyping process into rapid design and concept validation and cut down on time to market as well as enhance product development lifecycle.
- Affordable for Low-Volume Runs: Ideal for small batch production, 3D printing eliminates the need for expensive tooling and molds, offering a cost-effective solution for limited runs.
- Faster Time-to-Market: Streamline the whole production process and provide faster iterations and shorter release times of new products.
应用
定制 3D 打印应用
三维打印 opens up a wide array of possibilities for industries by providing efficient solutions for both prototyping and final part production.
- Prototype Development: Rapidly convert design concepts into full-fledged prototypes, which can be tested and validated in the test of time.
- Specialized Tools & Jigs: Custom tools, fixtures, and production aids are made that enhance efficiency in the work flow and make operations precise.
- Healthcare Applications: Design customized medical instruments, such as implants and prosthetics, with superior capabilities in comfort and shape to the patient.
- End-Use Manufacturing: Manufacture quality, functional components to an assortment of industries, including automotive and aerospace, and make them ready to be used as final products.
- Architectural Design Models: Design elaborate architectural models in a manner that assists in visualizing the projects and simplifying the planning processes.
- Personalized Consumer Goods: Design and produce unique and customized products like personalized accessories, home decor and gifts that consumers desire to have unique items.
- Educational Tools: Create educational models for research, teaching, and hands-on learning, providing precision and detail for academic use.
数控加工常见问题
1. What are some of the parts that I can make using 3D printing?
Widely diverse parts can be produced using 3D printing, such as prototypes and special tools, as well as end-use parts. It is most suited in producing intricate geometries, functional components and quality prototype in all forms of industries such as automotive, aerospace, medical and consumer goods.
2. What is the average lead time of 3D printing services?
The 3D printing lead time is based on the design and the volume of production. Rapid prototypes are usually manufactured within 1-5 days and low-volume parts are usually manufactured within 5-15 days. In case of a large scale production, the turnaround time ranges to 2-4 weeks.
3. In what file formats do you accept 3D printing?
The 3D printing takes a host of file formats, such as STL, STEP, STP, IGES, OBJ, and 3MF. In case you are not confident in what format to convert to, our team might help you in converting your files so that they will be compatible with our 3D printing machines.
4. Which 3D printing technologies do you use?
We provide various advanced services of 3D printing, such as SLA (Stereolithography), SLS (Selective Laser Sintering), HP MJF (Multi Jet Fusion), and SLM (Selective Laser Melting). Every technology will be chosen depending on the requirements and material properties of your project.
5. What can I do to guarantee that my 3D printed parts are of my quality?
We conduct stringent quality tests in the production process which includes dimensional inspection by CMM and optical scanning and post processing of surface finish and durability. Our team will collaborate with you to ensure that the final product is what exactly you wanted.
6. What are the materials that can be 3D printed?
We do the wide range of materials, such as plastics, such as ABS, Nylon, and Polycarbonate, and metals, such as Aluminum, Stainless Steel, and Titanium. In case you need certain material needs, our team will assist in sourcing the appropriate material to your project.
7. Is it possible to have high-volume production by 3D printing?
It is true that with advanced automation and multi-axis capability, high-volume production can be conducted with the assistance of 3D printing. We can provide consistency and precision and deliver fast turnaround whether it is a batch of parts in the thousands or a batch of custom parts.
8. Can 3D printing be economical in small production batches?
Yes! 3D printing is a cheap technology to use when it comes to low volume production, as no costly tooling or molds are required. This is ideal on small batch production, prototyping or trying out the new designs before production.
9. In which industries do you offer 3D printing services?
We offer 3D printing to a diverse group of industries; some of them are automotive, aerospace, medical devices, consumer products and robotics and architecture. We offer customized solutions to both prototypes and final parts in both industries.
10. Do you offer post-processing services of 3D printed parts?
Yes, we have after processing services where we refine the finish and functionality of your parts. This involves polishing, painting, electroplating and smoothing to make your parts look as well as perform to your specifications.
