CNC Machining

Custom CNC Machining Parts Service

Get instant quotes on custom metal and plastic machined parts with our precision CNC Machining Service.

Make quick turn prototype to mass production with various of world leading cnc machines. ISO 9001, AS9100D, RoHS, MSDS, SGS certified.

Advanced CNC Machining Service

As a professional CNC machining manufacturer in China, Dadesin prototype provides fast CNC machining capabilities and advanced CNC machining services to global market. More than 150 CNC turning and milling machines at our factory can satisfy global customer's increasingly demands and Dadesin's sustainable development. Our CNC machines equipped with the latest supporting software to process parts and components rapidly with incredible precision. For CNC prototyping and low-volume production needs, Dadesin offers competitive price with superior quality. Our staff and equipment allow us to tackle even the most complex projects – Dadesin never say no to challenge and surpass.

Why Choose Dadesin for Custom CNC Machining Services

CNC Machining advantage

Strict Quality Management

Our inspection instruments include German Zeiss CMM, Wanhao image measuring instrument, Hitachi handheld spectrometer, Mitutoyo roughness measuring instrument, etc.

CNC Machining advantage

Our Certification

Dadesin was full certificated by ISO9001:2015, IATF16949:2016.

CNC Machining advantage

Data security Management

According to the regulations of DADESIN, all data are managed by special personnel to ensure information security in all aspects.

CNC Machining advantage

Advanced Equipment

We have advanced high precision equipment like Germany GROB 5 axis machine, Swiss GF Mikron 5 axis machine, China Jingdiao 5 axis machine and US Haas 4 axis machine, tolerance down to +/-0.0015 mm.

CNC Milling Service

CNC milling is one of the most common process methods, used in processing designs of all sizes. Raw materials will be feed into the milling center which cuts the excess away. The raw material was selected and measured to produce minimum waste, reducing production cost. Dadesin use the latest CNC machine and controls to produce your design quick and precision. Here are our CNC milling capabilities.

Maximum Dimensions
Minimum Dimensions
Tolerances
Radii
Hole

Maximum Dimensions

Maximum depth that can be milled is 2 in. (50.8mm) from either side of part.

  Material IN. MM
3-axis Plastic 51.18*27.56*27.56 1300*700*700
Metal 51.18*27.56*27.56 1300*700*700
4-axis Plastic 17.71*15.75*15.75 450*400*300
Metal 17.71*15.75*15.75 450*400*300
5-axis Plastic 31.50*37.40*40.16 800*950*1020
Metal 31.50*37.40*40.16 800*950*1020

Minimum Dimensions

 

Material IN. MM
Plastic/Metal 0.020*0.020*0.020 0.5*0.5*0.5

Tolerances

Typically, Dadesin can hold a machining tolerance of +/-0.0002 in(0.005 mm) . Part features are recommended to be thicker than 0.020 in. (0.51mm) in all regions and a nominal part thickness above 0.040 in.

Radii

Sharp inside corners on a part will be radiused (rounded) as a natural result of the CNC machining process. Resulting radii will be identified on your quote.

Hole

According to the processing requirements of different parts and the special materials, the maximum processing depth of the hole can reach 350mm.

CNC Turning Service

CNC Turning is a manufacturing process also called “subtraction machining” since it involves material removal. CNC turning center is equipped with tool magazine to greatly increase the number of tools that can be selected. Bars of material are held in a chuck then rotated while a tool is fed to remove material from workpieces to create the designed shape. A shown center with tooling attached is programmed to move to the bar of raw material and remove material to create the programmed result.

  Material IN. MM
Maximum Dimensions Diameter 19.69 500
Length 23.62 600
Tolerances +/-0.0002 +/-0.005
Minimum Dimensions Length 0.020 0.5
Wall Thickness 0.020 0.5
Diameter 0.118 3

Process Fiow of CNC Machined Parts

Send Drawings
Send Drawings
Send Drawings

We offer custom CNC machining services according to your design/ drawings, in order to protect customer’s privacy, we will sign the NDA with our customers, all our suppliers have to sign NDA as well.

Material Inspection
Material Inspection
Material Inspection

All materials will be inspected with professional equipment to ensure the material quality is as good as expected.

Programing
Programing
Programing

Our experienced engineering team will program your design drawings that can be CNC machined through professional software, and find out the deficiencies in time.

CNC Machining
CNC Machining
CNC Machining

CNC machining is generally divided into roughing and finishing. Roughing cuts a large amount of raw materials to process the approximate outline of the product. Finishing cuts a tiny amount of material each time to ensure that the error of each dimension of the product is within the allowable range, our tolerance accuracy can reach 0.005mm.

Inspection
Inspection
Inspection

The processed products need to undergo a comprehensive inspection to ensure that the product dimensional deviation is within the allowable range of the design drawings. And the surface of the product will be carefully polished to remove burrs. If you have special surface treatment requirements, we have our own surface treatment workshop to provide you with anodizing, powder coating, painting, electroplating, PVD and other services.

Packaging
Packaging
Packaging

After the QC of all products is completed, they will be packaged. The inner packaging is made of anti-collision foam and filled with gaps, so as to avoid damage to the product due to shaking and impact during transportation. The outside is packed in very durable carton boxes for secondary protection.

CNC Machining Materials

Metal
Plastic
Aluminum
Stainless Steel
Brass
Copper
Titanium
Magnesium

Aluminum

Aluminum is the most widely used non-ferrous metal structural material in the industry. As a soft, lightweight and durable metal material, it is often used in aerospace. If you would like to know aluminum materials, please review our aluminum CNC Machining Services page.

CNC Machining Aluminum Alloys

Stainless Steel

Stainless steel has the characteristics of corrosion resistance, high temperature resistance and ultra-low temperature resistance.It has a wide range of applications and can be used to manufacture medical equipment, auto parts, industrial products, etc. DADESIN can provide a variety of stainless steels such as 201, 202, 303, 304, 316, 4130, 4140.

CNC Machining Stainless Steel Alloys

Brass

Brass is an alloy of copper and zinc. It has high strength and excellent machinability and wear resistance. The surface of brass will gradually oxidize and turn black in the air, but it will form an oxide film to protect the interior. It is often used in the manufacture of precision instruments, ship parts, auto parts, medical accessories, electrical accessories, industrial products and other precision copper parts.

CNC Machining Brass Alloys

Copper

Copper, also known as red copper, has good electrical and thermal conductivity, ductility and corrosion resistance, and good plastic deformation. It is a metal material commonly used in the production of generator sets, power switch devices, electrical appliances, shielding covers, chemical industry, etc.

CNC Machining Copper Alloys

Titanium

Titanium is a structural metal with light weight, high strength, good corrosion resistance and high heat resistance. Commonly used in automotive industry, aviation fasteners, turbine blades, engine parts, sports equipment, marine, environmental protection and other applications.

CNC Machining Titanium Alloys

Magnesium

Magnesium is the most widely used non-ferrous metal structural material in the industry. As a soft, lightweight and durable metal material, it is often used in aerospace, automobile, machinery manufacturing, shipbuilding and industrial development. The customized aluminum products processed by DADESIN have a wide range of appearance and color options and a complete range of surface treatments, which can meet the needs of different industries.

CNC Machining Magnesium Alloys
ABS
Nylon
PMMA
PC
PEEK
POM
PP
PTFE

ABS

ABS is a thermoplastic polymer structural material with high strength, good toughness and easy processing. It is also a low-cost engineering plastic with good processing performance, strong mechanical properties, and a wide range of applications, making it an excellent choice for production parts.

ABS for CNC Machining

Nylon

Nylon(PA). Also known as polyamide
It is the most important engineering plastic, covering almost every application field, widely used in chemical machinery, anti-corrosion equipment gear and parts blanks, transmission structural parts, household appliance parts, auto parts, etc. Learn more about Nylon 6/6 for CNC machining.

Nylon for CNC Machining

PMMA

PMMA:(polymethyl methacrylate)Also known as acrylic
It has the characteristics of good transparency, chemical stability and weather resistance, easy dyeing, easy processing, good plasticity and beautiful appearance. It is widely used in medical, industry, automobile and other fields. However, its thin-walled areas are fragile during machining, so it is not recommended for delicate or complex geometries. Learn more about Acrylic CNC Machining.

PMMA for CNC Machining

PC

Polycarbonate, referred to as PC engineering plastics, an amorphous thermoplastic resin with excellent comprehensive properties, an engineering plastic with excellent electrical insulation, ductility, dimensional stability and chemical resistance, high strength and weather resistance. Learn more about Polycarbonate CNC machining.

PC for CNC Machining

PEEK

PEEK (poly-ether-ether-ketones) is a high-performance specialty engineering plastic that is an excellent lightweight alternative to most soft metals. It has excellent mechanical properties, good self-lubrication, chemical resistance, and good wear resistance. Commonly used in aerospace, automobile manufacturing, electrical and electronic, medical, and other fields. Learn more about PEEK CNC machining.

PEEK for CNC Machining

POM

POM (polyformaldehyde) is an engineering plastic with high hardness, high rigidity and high wear resistance. It has good surface hardness and compactness, and is suitable for gears, bearings, auto parts, machine tools, instrument internals and other products that play a skeleton role. Learn more about POM CNC Machining.

POM for CNC Machining

PP

It is one of the lightest varieties of all plastics at present; it has the characteristics of high heat resistance, good mechanical properties, environmental protection and non-toxicity. It is suitable for making general mechanical parts, corrosion-resistant parts and insulating parts. Learn more about Polypropylene CNC Machining.

PP for CNC Machining

PTFE

Commonly known as "Plastic King", it has excellent properties such as high and low temperature resistance, chemical corrosion resistance, small friction coefficient, self-lubrication and non-stickiness. Widely used in aerospace, electronics, electrical, chemical, machinery and other industries. Learn more about PTFE CNC machining.

PTFE for CNC Machining

Custom Parts

Communication equipment housing

Communication equipment housing

Communication equipment housing

Communication equipment housing

Aluminum housing

Aluminum housing

CNC aluminum housing

CNC aluminum housing

Vehicle part

Vehicle part

Stainless steel impeller

Stainless steel impeller

Aluminum alloy motor housing cover

Aluminum alloy motor housing cover

 
 
 

CNC Machining Finishes

  • Anodizing

    DADESIN has its own oxidation plant and is a specialist in anodized aluminium, magnesium and titanium. Anodizing not only provides a beautiful appearance color, but also increases the hardness and durability of the workpiece, and in some cases, it’s a more ideal finish than painting.

  • Sandblasting

    Sandblasting sprays fine sand to the workpiece through high-pressure airflow, which can form a unique texture while removing burrs and stains on the surface of the workpiece. Sandblasting can be used as a final treatment, or be prepared for subsequent surface treatment to increase the bond strength between the workpiece and the coating/plating.

  • Painting

    DADESIN has specific painting equipment, which can spray the product from any direction. Thousands of colors can be prepared by experienced sprayers, and the surface effect can be selected from matte, semi-gloss and full-gloss finishes, ensuring that the spraying quality can satisfy customers’ requirements.

  • Powder Coating

    Use professional equipment to spray electrostatic powder on the surface of the workpiece to form a uniform coating with different effects. DADESIN always insists on protecting the ecological environment, and carries out environmentally friendly production on powder coating, so that the entire production process can reach a pollution-free state.

  • PVD

    PVD is an environmentally friendly process. The plated film has the characteristics of high hardness, wear resistance, corrosion resistance, high chemical stability and long life. It can be plated with various film colors and finishes, which greatly improves the appearance of the workpiece.

  • Electrophoresis

    This process can obtain a uniform and smooth paint film on the inner layer, depression, welding seam and other parts of each component, which solves the problem of painting complex-shaped workpieces by other painting methods, and the product has a long-lasting bright color and works well on corrosion resistance.

  • Electroplating

    Electroplating includes vacuum electroplating, UV electroplating, plastic electroplating, and metal electroplating; its technology is widely used, suitable for mass production, and is easier to mechanize and automate production.

  • Passivation

    Passivation has the characteristics of not increasing the thickness of the workpiece and changing the color, improving the precision of the product and the anti-corrosion ability of the metal, and also maintaining the characteristics of the metal surface and increasing its added value.

  • Laser Engraving

    The marked logo and pattern of DADESIN’s laser engraving have outstanding features such as exquisite, clear, beautiful, and permanent, and will not fade or wear due to touch, temperature, etc. Laser engraving can engrave complex patterns and images on metal and non-metal materials.

  • Silkscreen Printing

    DADESIN’s silkscreen printing can be freely adjusted with various inks and coatings, so that the silk printing pattern can achieve a colorful, bright and strong three-dimensional effect. And the printing method can be used in various materials and shapes.

Surface Finishing - Anodizing
Surface Finishing - Sandblasting
Surface Finishing - Painting
Surface Finishing - Powder Coating
Surface Finishing - PVD
Surface Finishing - Electrophoresis
Surface Finishing - Electroplating
Surface Finishing - Passivation
Surface Finishing - Laser Engraving
Surface Finishing - Silkscreen Printing

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CNC Machining

CNC Machining FAQs

  • What is CNC machining?

    CNC machining, which stands for Computer Numerical Control machining, is a manufacturing process that utilizes computerized controls and precise programming to guide the movement of machining tools. It involves the use of computer-aided design (CAD) software to create a digital model of the desired part or component, which is then translated into machine-readable instructions.

  • How does CNC machining work?

    CNC machining works through a series of steps that involve computer programming, precise tool movements, and material removal. Here's a general overview of how CNC machining works:design, Programming, Set-Up, Execution, Monitoring and Adjustments and Finishing and Quality Control.

  • What are the benefits of CNC machining?

    The subtractive process of CNC machining provides multiple benefits for both prototyping and production parts. The benefits including Precision & repeatability, Tight tolerances, Lower piece-part price at higher quantities and Quick-turn parts within 1 day. See Advantages of Using CNC Machining in Manufacturing for more information.

  • What are your tolerances for machined parts?

    Dadesin can hold a machining tolerance of +/-0.0002 in(0.005 mm) . Part features are recommended to be thicker than 0.020 in. (0.51mm) in all regions and a nominal part thickness above 0.040 in. Walls thinner than 0.020 in. (0.5mm) typically do not survive the machining process.

  • What industries use CNC machining?

    CNC machining is widely used across industries. It is common in 3C electronics, automotive, medical and mechanical equipment that frequently use metal parts. It is also widely used in medical devices, household goods, energy, oil and gas, and other consumer applications. It is one of the most common manufacturing processes in the world.

  • How does Star Rapid ensure the quality of my parts?

    --Once your order is confirmed, we will perform a full Design for Manufacturing (DFM) review to point out any issues that our engineers feel may affect the quality of your parts.
    --All incoming materials are inspected and verified with a suite of testing equipment.
    --Final inspection reports before shipment.
    --We have the ability to share inspection data with you in real-time so we can work together to address any quality issues you may have during production.

  • How much does your CNC machining service cost?

    The average CNC machining cost per hour for a 3-axis CNC machine is around $40. The operator salary of CNC milling machines can range from $30 to $50 per hour. Therefore, the total cost of CNC services, in this case, would be around $80 per hour. Higher quality and more sophisticated CNC machines cost more.

  • Can CNC machining be used for both prototyping and production?

    Yes, CNC machining can be used for both prototyping and production purposes. CNC machining offers a cost-effective and efficient method for creating prototypes of parts and components. CNC machining is also commonly used for production runs of parts and components. Once the design and prototype have been finalized, CNC machines can be programmed to manufacture the desired quantity of parts with consistent precision and quality.

  • How do you select cnc machining manufacturer for my parts?

    Selecting the right manufacturer for your parts involves considering several factors to ensure they can meet your specific requirements and deliver the desired quality. As a world-leading cnc machining manufacturer of high-precision parts, we consistently stick to the core of precision manufacturing technology. Now, we have become a large-scale manufacturing enterprise that provides a complete set of services related to precision parts ranging from production to sales.

  • What is the difference between 3 axis and 5 axis machining?

    A 3-axis CNC and 5-axis CNC differ in their ability to orient and move the cutting tool along multiple axes. A 3-axis CNC machine is capable of moving its cutting tool along the X, Y, and Z axes. A 5-axis machine, on the other hand, can move the cutting tool along the X, Y, Z, A, and B axes.

Explore Related Resources

Choosing the Right Materials for CNC Machining

Choosing the Right Materials for CNC Machining

CNC machining is an essential manufacturing process that requires precision and accuracy to achieve the desired outcome. One of the critical factors that affect the quality of CNC machining is the choice of materials used.

Advantages of Using CNC Machining in Manufacturing

Advantages of Using CNC Machining in Manufacturing

CNC (Computer Numerical Control) machining is revolutionizing the manufacturing industry due to its precision, speed, and efficiency. With advanced design software, CNC machines can produce outputs that manual machines cannot replicate.

Tips for Optimizing CNC Machining Processes

Tips for Optimizing CNC Machining Processes

CNC machining is a widely used and effective method for producing high-quality parts. Nonetheless, it is essential for manufacturers and buyers alike to prioritize optimizing the process.

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