Rapid CNC Prototyping Machining With VMT

VMT specializes in high-precision CNC prototype machining, delivering metal and plastic prototypes with exceptional quality. Using advanced technology, we provide functional prototypes and small-batch parts in as fast as 1 day, enabling rapid design verification and smooth production transitions. With 98 HAAS machining centers, 66 multi-axis CNC machines, and 0.01mm accuracy, we ensure fast, efficient, and reliable manufacturing solutions.

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Our Robust Capabilities Behind Numbers

6582+

Design Optimization

2 Hours

Quick Quote

100+

Machining Equipment

98%

Yield

12

Quality Inspection Process

Our Rapid CNC Prototyping Machining Services

We provide professional rapid CNC prototyping and manufacturing solutions for a wide range of industries, handling even the most complex projects with ease. Backed by an experienced and dedicated project team, we ensure seamless support from start to finish. Our high-quality, precise, and efficient CNC prototyping services are designed to bring your ideas to life and accelerate their journey to market.

CNC Milling

Our precision CNC milling turns your designs into reality with exceptional accuracy and craftsmanship. Using advanced 3-axis, 4-axis, and 5-axis machines, we create complex geometries, intricate surfaces, and precise cavities in metals or plastics. Ideal for parts demanding high dimensional accuracy and flawless finishes.

1. Achieves +/- 0.0002 in. precision.

2. Quick milling services.

3. Custom milled parts for prototyping and production.

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CNC Turning

VMT provides high-precision CNC turning and milling for plastic and metal prototypes. We ensure tight tolerances of 0.002mm, excellent surface finishes, and fast delivery in 1–7 days. With a capacity of up to 300,000 parts monthly, we offer free drawing reviews, quotes, and DFM within 2 hours.

1. Delivers precision of +/- 0.0002 in.

2. Fast-turnaround CNC turning services.

3. Custom turned parts for prototyping and production.

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5-Axis CNC Machining

Our rapid CNC prototyping services use advanced 5-axis machining to create complex, high-precision parts for various industries. We deliver prototypes in as fast as one day, ensuring your designs quickly reach the market.

1. Precision tolerances up to +/- 0.0003 inches.

2. Fast machining services.

3. Custom mechanical parts for prototypes and production.

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Why Choose VMT for Your Project

VMT is a leading Rapid CNC Prototyping and Machining Factory, delivering high-quality prototypes and custom CNC Machining with fast turnaround and diverse material and finishing options.

1. No Drawing? No Problem! We Provided Design and Engineering support

If you don’t have a CAD drawing, Our expert engineers can transform your ideas, sketches, or concept models into precise CAD designs. We validate and optimize blueprints to ensure feasibility, functionality, and manufacturability. Through DFM analysis, we identify design flaws early, optimize for cost-effective production, and ensure material suitability and tolerance accuracy.

2. Prototypes delivered within 24 hours

With over 100 advanced CNC machines in our owned machining factory and a dedicated rapid prototyping team, we deliver part prototypes within 24 hours. Utilizing cutting-edge technology, we ensure top quality, precision, and performance throughout the process—from design analysis to mass production—speeding up product development and validation for our clients.

3. Precision CNC Tolerance (+0.01mm) & Surface Roughness Ra0.2um

VMT, an ISO 9001-certified manufacturer, specializes in delivering high-quality CNC prototyping machining parts with exceptional precision. We achieve dimensional tolerances as tight as ±0.01mm and surface roughness of Ra0.2μm, ensuring our products meet your exact specifications and performance requirements.

Custom Metal CNC Prototype Machining Parts Materials

4. Over 40 Certified Materials & 20+ Surface Finishing Options

We offer over 40 certified materials, 20+ surface finishing options, and provide RoHS Material Reports to meet diverse industry needs. This ensures the right materials and finishes for your project, guaranteeing durability, performance, and compliance with environmental standards.

5. 98% Quality Accuracy with 12 Inspection Processes

We maintain a comprehensive quality control system, covering all stages from raw materials to final shipment. Equipped with advanced 3D and 2D measuring instruments and a laboratory, we ensure precise dimension checks and material compliance.

6. Comprehensive After-sales Support

Our comprehensive after-sales support includes technical assistance, maintenance, and prompt issue resolution to ensure a smooth customer experience. We respond to inquiries within 30 minutes, provide solutions within 2 hours, and resolve any issues within 1 day.

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CNC Prototype Products

We excel in supplying high-quality, high-precision components. Below is a series of CNC machined prototypes we have produced for our customers. These prototypes not only accurately reflect the customer’s design intent, but also ensure a seamless transition from prototype to final product through our superb craftsmanship and technical optimization.

1 2 3 4 5 6 7 8 9 10 11 12

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Advanced Machining Capabilities

VMT specializes in high-precision CNC prototype machining, equipped with 100+ advanced CNC machines, including 3-axis, 4-axis, and 5-axis systems. Our state-of-the-art workshop features Haas CNC centers, multi-axis turning-milling machines, grinders, wire EDM, and more.

With our 5-axis CNC machining expertise, we ensure unmatched precision, making us the ideal partner for prototyping highly complex geometries, intricate internal structures, and ultra-tight tolerances. Whether it’s rapid prototype development or functional validation of complex designs, we deliver superior quality with exceptional speed and consistency.

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100+ 100,000+ 2,000+

Machines Parts Manufactured Customer Served

Custom CNC Prototype Machining Process

The following outlines our custom CNC prototype machining services’ main steps: Upload Your CAD File, receive a Quote and DFM Analysis, Start Production, and finally, Receive Your CNC Prototype Parts.

Upload Your CAD File

Upload your files directly or send your project information via the quote page. All files are NDA supported.

Quote and DFM Analysis

Within 12 hours, we will send back a manufacturability design analysis and real-time quotation.

Rapid-CNC-prototyping-and-manufacturing-services

Start Production

Once the order is confirmed, we begin the CNC prototype machining process using your CAD design.

Receive Your CNC Prototype Parts

Prototypes or parts will be produced within a few days and delivered directly to you via international express.

Certificate

As an experienced manufacturer of on-demand CNC prototype machining, these certifications are the best recognition of the quality of our CNC prototype machining.

ISO 9001:2015
IATF 16949:2015
ROHS
12 Patents

12-Step Quality Inspection Process

With a dedicated quality control management team and advanced high-precision testing equipment, we oversee every step from raw materials to shipment with thorough follow-up testing and real-time transparency. This rigorous process ensures a 98% product yield rate, delivering exceptional quality and reliability.

DFM Analysis

Before CNC machining, engineers conduct a DFM analysis to identify and resolve potential issues in advance. This ensures optimized designs for efficient manufacturing, minimizes defects, and reduces machining costs.

Size Recognition

Check whether the parts meet the specified dimensional tolerances, ensure the technical feasibility of the tolerance design, and optimize the production process to meet your quality requirements and cost-effectiveness.

Materials Testing

We source raw materials from trusted long-term suppliers, ensuring consistent quality and reliability. Third-party inspection reports from organizations like SGS, CTI, and TUV are available to guarantee material compliance and standards.

CNC Prototyping and Machining

We have a dedicated team to track order progress, maintaining detailed records for each production run. Photos and videos are transparently shared with customers, keeping you informed about the machining process.

IPQC/FQC

Dimensional tolerance inspections are conducted every two hours, with first-article and IPQC checks ensuring process stability, product consistency, and high production efficiency.

SPC/CPK

Implement statistical analysis to monitor and control the manufacturing process and provide inspection reports.

Problem Found

If any deviations, defects, or non-compliance issues are discovered during the machining process, an immediate meeting is held to address the problem.

Problem Solving

Respond within 30 minutes, provide solutions within 2 hours, and resolve within 1 day.

OQC

Before CNC parts leave the factory, 100% dimensional inspection is conducted according to customer drawings. Inspection reports are provided before proceeding to the next processing step.

Surface Finishing

In addition to conventional surface treatments, there are a variety of special surface treatments. We have a full-time SQE to follow up and control each process in the surface treatment factory. After returning to our workshop, the product appearance will be 100% inspected.

Full Inspection

QC specilists will check the parts at every step with testing equipments accordingly,like 3D / 2D project, height/thread /roughness gauge.Offering inspection report with full dimensions for each part.

Package

Many different ways to pack the goods,avoid the damage, easy to carry and enviornmentally，Accept customer customization, commonly used pearl cotton, bubble bag.

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Quality Testing Equipment

Our quality testing equipment includes advanced 3D and 2D measuring instruments, height gauges, thread gauges, and roughness gauges, ensuring precise dimension checks and material compliance. We provide full-dimension inspection reports for each part and retain these records for two years. With capabilities such as CMM inspection, material testing, and certification of conformity, we guarantee exceptional quality and adherence to the highest standards.

1 2 3 4 5 6 7 8 9 10 11 12 13

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Qualify Evaluation Report

Visual Inspection

After each process is completed, we must confirm whether the product or part meets the customer’s design and usage requirements. Check whether the surface quality of the parts is smooth, whether there are scratches, burrs, dents, dimensional accuracy, shape accuracy, position accuracy, surface roughness, logos and marks, and color.

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Dimensional Inspection

We use vernier calipers, micro calipers, and height gauges to check CNC machined part dimensions. Dimensional inspection is a critical step in ensuring part quality and accuracy. For parts with complex and high precision requirements, we also use coordinate measuring machines to accurately measure their dimensions.

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Thread Inspection

For parts with threads or threaded holes, we will use pass and stop gauges to detect the threads, checking the size, shape, and surface roughness to ensure that the thread assembly of CNC machined prototype parts fully complies with customer requirements.

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Film Thickness Detection

If you have requirements for the surface wear resistance of parts, we can conduct film thickness testing according to your requirements and issue a test report to improve the quality, performance and life of the parts.

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2D Projector for High Precision Parts

A 2D projector is a critical tool used for inspecting high-precision parts. It provides accurate measurements by projecting the part’s profile onto a screen, allowing precise analysis of dimensions, angles, and shapes. This ensures the components meet stringent quality and design specifications.

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Air Tightness Test

An air tightness test is conducted on coupling parts before shipping to ensure they meet quality standards. This process verifies that the parts are free from leaks, maintaining their integrity under pressure, and ensuring reliable performance in their intended applications.

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Height Check

Height checks are performed to ensure parts meet precise dimensional requirements. Using tools like height gauges or coordinate measuring machines, we accurately measure vertical dimensions, ensuring each component aligns with design specifications and maintains consistency in production.

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Basic Size Inspection As Per Drawing

Basic size inspections are conducted as per the drawing specifications to verify that all dimensions conform to design requirements. This process involves measuring critical features such as length, width, and diameter to ensure parts meet quality and functional standards.

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Automatic Check, 100% Inspect All Sizes

Automatic checks ensure 100% inspection of all part sizes with high precision and efficiency. Using advanced measurement systems, we verify every dimension to guarantee consistency.

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Salt Spray Test

If you have requirements on the corrosion resistance of the surface of parts, we can conduct accelerated corrosion tests on materials or parts by simulating ocean or other salt spray environments according to your requirements.

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Full Inspection Report

After completing CNC machined prototype parts, we will provide the final inspection report to the customer. All reports are archived and kept for two years, such as first article inspection, process inspection, and shipping inspection.

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cnc machining parts SGS material test report

Material Report

Before processing, we can provide ROHS reports according to customer requirements to verify the quality, performance, composition, and structure of the materials to ensure that customers are using real raw materials.

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CNC Prototype Machining Tolerances and Standards

With precision CNC prototype machining services, VMT is your ideal partner to create precision machined prototypes and parts. Our standard CNC prototype machining tolerances for metals is ISO 2768-f and for plastics is ISO 2768-m. We can also achieve special tolerances as long as you indicate your requirements on your drawing.

Standards	CNC Prototype Milling	CNC Prototype Turning
Maximum Part Size	4000×1500×600 mm 157.5×59.1×23.6 in.	200×500 mm 7.9×19.7 in.
Minimum Part Size	4×4 mm 0.1×0.1 in.	2×2 mm 0.079×0.079 in.
Minimum Feature Size	Φ 0.50 mm Φ 0.00197 in.	Φ 0.50 mm Φ 0.00197 in.
Standard Tolerances	Metals: ISO 2768-f Plastics: ISO 2768-m	Metals: ISO 2768-f Plastics: ISO 2768-m
Linear Dimension	+/- 0.025 mm +/- 0.001 in.	+/- 0.025 mm +/- 0.001 in.
Hole Diameters (Not Reamed)	+/- 0.025 mm +/- 0.001 in.	+/- 0.025 mm +/- 0.001 in.
Shaft Diameters	+/- 0.025 mm +/- 0.001 in.	+/- 0.025 mm +/- 0.001 in.
Edge Condition	Sharp corner will be removed in the form of a chamfer or radius. The size of the chamfer, or resulting radii, must be indicated on the drawing.
Threads and Tapped Holes	Diameter: Φ 1.5-5 mm, depth: 3×diameter Diameter: Φ 5 mm or more, depth: 4-6×diameter	Diameter: Φ 1.5-5 mm, depth: 3×diameter Diameter: Φ 5 mm or more, depth: 4-6×diameter
	VMT can produce threads of any specification and size required by our customers.
Text	Minimum width of 0.5 mm, depth of 0.1 mm VMT can use CNC engraving or laser carving to create standard text based on customers’ requirements.	VMT can use laser marking to create standard text for CNC prototype turned parts.
Lead Time	5 business days	5 business days

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Custom CNC Prototype Machining Materials

We maintain an extensive material library and have established decades-long stable partnerships with trusted material suppliers, ensuring consistent pricing and reliable quality. Additionally, we can provide SGS-certified material reports to guarantee compliance and transparency.

Aluminum Copper Brass Stainless Steel Titanium Plastics

Aluminum

Aluminum is a highly ductile metal, making it easy to machine. The material has a good strength-to-weight ratio and is available in many types for a range of applications.

Price: $

Lead Time: < 10 days

Tolerances: ±0.125mm (±0.005″)

Max part size: 200 x 80 x 100 cm

Copper

Copper displays excellent thermal conductivity, electrical conductivity and plasticity. It is also highly ductile, corrosion resistant and can be easily welded.

Price: $$$

Lead Time: < 10 days

Wall Thickness: 0.75 mm

Tolerances: ±0.125mm (±0.005″)

Max part size: 200 x 80 x 100 cm

Brass

Brass has desirable properties for a number of applications. It is low friction, has excellent electrical conductivity and has a golden (brass) appearance.

Price: $$

Lead Time: < 10 days

Wall Thickness: 0.75 mm

Tolerances: ±0.125mm (±0.005″)

Max part size: 200 x 80 x 100 cm

Stainless Steel

Stainless steel is the low carbon steel that offers many properties that are sought after for industrial applications. Stainless steel typically contains a minimum of 10% chromium by weight.

Price: $$

Lead Time: < 10 days

Wall Thickness: 0.75 mm

Tolerances: ±0.125mm (±0.005″)

Max part size: 200 x 80 x 100 cm

Titanium

Titanium has a number of material properties that make it the ideal metal for demanding applications. These properties include excellent resistance to corrosion, chemicals and extreme temperatures. The metal also has an excellent strength-to-weight ratio.

Price: $$$

Lead Time: < 10 days

Wall Thickness: 0.75 mm

Tolerances: ±0.125mm (±0.005″)

Max part size: 200 x 80 x 100 cm

Plastics

Plastics are also very popular option for CNC machining because of its wide choices, relatively lower price, and significantly faster machining time needed. We provide all common plastics for CNC machining services.

POM	PEEK	HDPE	PET
Nylon	PTFE	PVC	PP
ABS	PC	PMMA

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Custom Machining Services Surface Finishing

40+ surface finishing processes, 2 surface treatment engineers conduct process control over the surface treatment process, and are committed to enhancing the surface beauty and functionality of your precision CNC prototype parts.

Chrome Plating
Blue Zinc Plated
PVD
Electrophoresis
Nickel Plating

As-Machined Finish
Multi-Color Anodized
Hard Anodizing
Sandblasting + Anodizing
Iron black Anodizing

Laser Carving
Silk Screen
CNC Prototype Machining
Etching
Brushed

Powder Coating
Painting
Polishing
Passivation
Water Transfer Printing

As-machined finish

Anodizing

Sandblasting + Anodizing

Powder Coating

Painting

Galvanized

Hard Anodizing

Polishing

Brushed

Electrophoresis

Chrome Plating

blackened

Multi-Color Anodized

Nickel Plating

Etching

Water Transfer Printing

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See What Our Customers Say About Us

A customer’s words have a more substantial impact than a company’s claims – and see what our satisfied customers have said regarding how we fulfilled their requirements.

Bluetooth headset charger housing customer

August 2, 2024

5.0

The manufacturer is strongly recommended. In the past few years of cooperation we have ordered several machined products from aluminum and stainless steel. These products are manufactured in compliance with tolerance requirements and require product finish. Now I have ordered another one. The service is excellent and any questions can be answered and resolved in time.

AN Automotive Oil Cooling Joint Customer

May 13, 2021

5.0

The dimensions are all customized according to my drawings no tolerance issues and the parts are delivered on time. I am very satisfied with it.

Flashlight shell machining customers

April 6, 2021

5.0

I pay much attention to the surface treatment aspect of this product. I was a little worried about the cooperation at the beginning. I am very satisfied with the product now and hope to cooperate for a long time.

FAQs about Rapid CNC Prototyping Machining

1. What are your maximum dimensions for CNC prototyping machining?

VMT is proficient in facilitating the production and prototyping of large machined parts, be it metal or plastic. We boast a substantial CNC machining build envelope measuring 2000 mm x 1500 mm x 300 mm. This ensures we can accommodate even sizable parts, including those tailored for furniture or architectural applications.

2. Is your CNC prototyping machining quality stable?

We use an advanced quality control system, equipped with manual and automated inspection equipment. All reports are archived and kept for two years, such as first article inspection, process inspection, and shipment inspection. From raw materials, CNC prototyping machining to shipment, We have dedicated personnel to follow up and share progress in real time. We have a testing laboratory equipped 2D projector, 3D projector and other high-precision testing instruments.

3. Are your materials standard? Can you provide material reports?

We all use new and standard materials, not secondary recycled materials. Our material composition is standard and we can provide third-party test reports from SGS, CTI, TUV, etc. Please see the attachment.

4. How do you control the quality of surface treatment?

5. What inspection equipment do you have?

We have a testing laboratory equipped with three-dimensional, two-dimensional, projectors and other high-precision testing instruments.

6. Can the delivery date be guaranteed?

At present, VMT is equipped with two processing teams specializing in small batches or samples, which can complete the samples in 24 hours at the earliest, to better serve customers in the early verification stage. At the same time, VMT has 100 devices, which run 24 hours a day to meet the fast delivery requirements of customers. In addition, VMT has a stable outsourcing supplier who has cooperated with us for more than 10 years to assist in fast shipment of samples and large batches. If there is an unexpected delay in delivery, we can bear the relevant costs according to customer requirements.

Our CNC Prototyping Machining for Various Industrial Applications

In the past 15 years, our business has spread to 62 countries around the world. No matter how complicated part is, or any technical problems faced with,we can find the solution and offer you with professional service.

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Get in Touch Us

VMT: Simplifying Custom CNC Prototyping

1. Demand communication:

Provide detailed design drawings and reference materials, and we will develop personalized solutions based on your needs.

2. Receive a Prompt Quote:

Within 24 hours, get a comprehensive quote ensuring transparency and clarity before production commences.

3. Approve and Proceed:

Once you approve and provide a deposit, we’ll initiate mass production and manage the shipping process with meticulous attention.

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Contact us via the following methods

E-Mail: sales@vimetal.com.cn