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CNC machining

As a premier CNC prototyping supplier of machined parts, Xiange provides computer numerical control (CNC) machining for a wide range of applications and industries. online CNC machining services

● Equipped with 3 axis, 4, and 5-axis CNC machining capability,

● On-demand custom cnc machining services

● Both small and large-volume orders with ease.

● Quick-turn prototypes are available within 24 hours & 21 days for           production CNC parts.

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BASIC PRINCIPLES


                         Numerical control (NC) (also computer numerical control (CNC)) is the automated control of machining tools (drills, boring tools, lathes) and 3D printers by means of a computer. A CNC machine processes a piece of material (metal, plastic, wood, ceramic, or composite) to meet specifications by following a coded programmed instruction and without a manual operator.

                CNC (Computer Numerical Control) is a subtractive process where material is removed from a solid block (blank or workpiece) or a pre-formed part using a variety of cutting tools.

1) The final part geometry is defined by a CAD model normally supplied by the customer


2) The Machinist uses CAM software to prepare the cutting paths, and tool selections to needed to achieve the part


3) The paths are then output as Gcode which give the absolute machine instructions such as location and orientation of machine head, part and speed of any movement.


4) The machine is set up and the blank jigged in position.


5) The machine executes the Gcode to remove material creating the part, usually with minimal supervision.

CNC Machining Service

CNC Milling Service

CNC milling services are performed using multi-axis machine tools managed by state-of-the-art computer software. Our rapid milling process is the method par excellence for producing prismatic forms and complicated geometries.

Our CNC milling process is compatible with a great many raw materials. We use brass, stainless steel, hard plastics, titanium, and aluminum, among others.

With three-axis CNC milling prices starting at $10 per hour and 5-axis CNC milling center tolerances of up to 0.002″, our CNC milling services for prototype machining and production parts are remarkably cost-effective.

CNC Turning Services

We use high-quality, high-speed turning centers equipped with real-time tooling and automated bar feeders. Materials used in the turning process include aluminum, brass, rigid plastics, and mild or stainless steel.

CNC turning services are designed to create elaborate external geometries with internal bores that result in exceptionally tight tolerances and radiant surface finishes.

This process is appropriate for rapid prototypes, introducing new products, and low-volume production.

Electrical Discharge Machining (EDM)

EDM machining is a process by which electric spark erosion is used as a cutting tool to remove metal under controlled conditions. The spark literally erodes the workpiece. We can then transform the eroded workpiece into the desired size and shape.

This tool can be used to cut holes and pockets into hardened steel. EDM is often used to fashion square pockets. It’s also used to impart a surface texture to the internal cavities of mold tools.

A high-powered electric spark is discharged by a sacrificial electrode residing in an electrolyte bath. The electric spark can erode extremely hard materials that would resist erosion with any other method.

Wire EDM is a variation of EDM. In this case, an electrically charged wire that’s fed continuously between two spools can cut through-hardened tool steel at high speed with impressive accuracy.

Metal Materials of CNC Machining

  • Aluminum
  • Stainless Steel
  • Mild Steel
  • Tool steel
  • Brass
  • Copper
  • Titanium
  • Magnesium


Aluminum


Aluminum is a silver-white light metal. It is malleable, and products are often made into a column, rod, and sheet shapes. It has an excellent strength-to-weight ratio, low cost, and recyclability.


  • Common applications:Manufacturing industry


Stainless Steel


Steel grades that are resistant to weak corrosive media such as air, steam, water, or have rust resistance are called stainless steel; it is suitable for making products that need to be exposed to the environment for a long time.


  • Common applications:Enclosures


Mild Steel


Mild Steel is carbon steel with a carbon content of less than 0.25%, Because of its low strength and hardness, plasticity, ductility, and punch resistance are better.


  • Common applications:Enclosures


Tool steel


Tool steel has high wear resistance and appropriate toughness and can maintain high hardness at high temperatures. It is often used to make cutting tools, molds, and wear-resistant tools.


Common applications:Enclosures




Brass


Brass is a combination of copper and zinc. It has strong wear resistance and good plasticity. Its excellent cutting performance is suitable for high-precision parts processed by automatic lathes and CNC lathes.


  • Common applications:Enclosures


Copper


Pure copper is a soft metal with a purple-red luster, with a density of 8.92 g/cm3. Good ductility, high thermal and electrical conductivity, so it is often used to make electronic components.


  • Common applications:Enclosures


Titanium


Titanium is a silvery-white transition metal with a density of 4.5g/cm3. The main features are low density, high mechanical strength, easy processing, and good corrosion resistance.


  • Common applications:Enclosures


Magnesium


Magnesium is a silver-white metal with a density of 1.74 g/cm3. The density is small and the ductility is good. Mainly used in the manufacture of light metal alloys.


  • Common applications:Enclosures

Plastic Materials of CNC Machining

  • ABS
  • PMMA(Acrylic)
  • HDPE
  • Nylon
  • PEEK
  • Polycarbonate
  • Polypropylene
  • PET

ABS Materials

ABS


ABS resin is a milky white solid with a certain degree of toughness, with a density of about 1.04~1.06 g/cm3. It has strong corrosion resistance to acids, alkalis, and salts, and it can also tolerate organic solvents to a certain extent. ABS is a resin that has good mechanical toughness, wide temperature range, good dimensional stability, chemical resistance, electrical insulation properties and it’s easy to manufacture.

Common applications:Enclosures


PMMA/Acrylic materials

PMMA(Acrylic)


PMMA, also known as acrylic, is a tough, highly transparent material with excellent resistance to ultraviolet radiation and weather resistance. It can be colored, shaped, cut, drilled, and shaped. With its beautiful appearance, it has a wide range of applications in the construction industry.

Common applications:Enclosures


HDPE(High Density Polyethylene) Materials

HDPE(High Density Polyethylene)


High-density polyethylene (HDPE) is a white powder or granular product. Non-toxic and odorless, the use temperature can reach 100℃. It does not have the impact strength of LDPE, but it is more elastic. Surface hardness, tensile strength, rigidity, and other mechanical strength are higher than LDPE, close to PP, tougher than PP, but the surface finish is not as good as PP.

Common applications:Enclosures


HDPE(High Density Polyethylene) Materials

Nylon


Nylon 6, also known as PA6, polyamide 6, is a polymer compound. Except for its low melting point and wide process temperature range, its chemical and physical properties are very similar to nylon 66. Among all nylon grades, nylon 6 has the lowest modulus.

Common applications:Enclosures


PEEK Materials

PEEK


Peek polyetheretherketone is a kind of special engineering plastic with high-temperature resistance, self-lubrication, easy processing, and high mechanical strength, and other excellent properties. It can be manufactured and processed into various mechanical parts, such as automobile gears, oil screens, gear shift start plates; Aircraft engine parts, automatic washing machine runner, medical equipment parts, etc.

Common applications:Enclosures


PC Materials

PC（Polycarbonate）


Polycarbonate is a high molecular weight polymer containing carbonate groups in the molecular chain. It is a tough thermoplastic resin with flame retardancy. Antioxidant. It has excellent impact strength, transparency, and optical properties, mechanical properties, and can be molded to tight tolerances. PC has a wide range of applications, and there are a variety of compounds to choose from.

Common applications:Enclosures


PP Materials

PP（Polypropylene）


Polypropylene is a silvery-white transition metal with a density of 4.5g/cm3. The main features are low density, high mechanical strength, easy processing, and good corrosion resistance.

Common applications:Enclosures


PET Materials

PET


Polyethylene terephthalate (PET), milky white or light yellow, is a highly crystalline polymer with a smooth and shiny surface. It is non-toxic, tasteless, and has good hygiene and safety, and can be directly used for food packaging. It has excellent physical and mechanical properties in a wide temperature range, and the long-term use temperature can reach 120°C. But it is difficult to mold to very close tolerances.

Common applications:Enclosures


Our Capabilities

CNC machining is a subtractive manufacturing process that’s accomplished with the help of high-grade precision cutting tools and CNC Machines.

We use these implements to remove layers of raw material from a workpiece. The piece can then be recast into all manner of shapes and sizes to create a unique and custom cnc machining part or product.

CNC machining is predominantly used for manufacturing parts and prototypes. However, it has other uses. Xiange uses CNC machining to make the mold tools we use in our plastic injection molding process and during our pressure die casting operations. You can get a CNC machining services quote online.

3-Axis CNC Machining


Standard CNC machining operations for performing milling operations along X, Y, and Z axes. 3-axis machining is relatively simple, allowing the cutting tool to move back to front, side to side, and up and down.

4-Axis CNC machining


The 4-axis CNC machine creates part in the same manner as the 3-axis machines but includes an extra A-axis that facilitates the cutting tool's rotation along the X-axis. 4-axis CNC machining is very useful for cutting operations that require holes and cut-outs to be made around a cylinder or inside a piece.

5-Axis CNC machining


5-Axis CNC machines consist of all the axes in the 4-axis setup, with an additional B-axis. These are the best type of CNC machines available in the market today, perfect for creating intricate parts and precise geometries for artificial bones, automotive uses, and aerospace components. The 5th B-axis allows for more precision and control as it rotates around the Y-axis in the X-Y-Z plane. 5-axis machines are fast and efficient. They also offer single-step machining that shortens lead time and improves tool efficiency.

Accelerate Development with Xiange CNC Manufacturing


  • Parts as fast as 2 days
  • Tight tolerances
  • Instant pricing
  • DFM feedback to optimize your designs
  • On-demand production updates
  • Wide range of materials and finishing options
  • Material certifications & certificates of conformity
  • Industry leading security standards
  • Free dimensional inspection reports

Finishes For CNC Machining


Xiange can produce parts by CNC Machining with tight tolerance+/-0.02mm and fine detail from a variety of metal or plastic materials.


Due to the subtractive nature of CNC, minor tool marks will be visible on the surface of the part after machining. A number of post-processing and finishing methods can be applied to improve the surface roughness, visual properties and wear resistance of the CNC machined parts.


Now we discuss the most common metal CNC finishes to help you select the most suitable surface finish for your application.


The available finishes are summarized below:

  • As machined
  • Sandblasting with Anodizing
  • Hard anodizing
  • Powder coating
  • Nitriding
  • Heat treatment
  • E-coating
  • Painting
More surface finishing

Why Choose Xiange

We produce parts on special CNC machines that are ideal for sheet metal work. Due to this, our production has a number of significant advantages over other methods of manufacturing parts

Xiange will help you make quality prototypes and end pieces with our range of machining technologies. We have fabrication specialists with many years of experience in creating complex parts. From brackets to chassis, body frame, shrouds, and more, our sheet metal processing will provide you with great parts with dimensional accuracy.


High quality

Xiange will help you make quality prototypes and end pieces with our range of machining technologies. We have fabrication specialists with many years of experience in creating complex parts. From brackets to chassis, body frame, shrouds, and more, our sheet metal processing will provide you with great parts with dimensional accuracy.


 Complete assemblies

Xiange will help you make quality prototypes and end pieces with our range of machining technologies. We have fabrication specialists with many years of experience in creating complex parts. From brackets to chassis, body frame, shrouds, and more, our sheet metal processing will provide you with great parts with dimensional accuracy.


Instant quotation and design For production

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Xiange CNC sample
  • Turning & Milling parts
  • CNC finishing
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  CNC Machining FAQs


   What is CNC machining?

   CNC machining is a wide-ranging manufacturing category involving multiple computer-managed processes. The          objective is to remove enough raw material from a piece to achieve a state of near completion.

Why choose Xiange CNC machined parts?

Xiange is a professional CNC machining manufacturer in China, The reliability and precision of high-tech tools powered by sophisticated software programs give CNC machining the ability to quickly generate prototypes and complicated end-use parts having exceptionally tight tolerances. with low cnc machining costs from Chinese.

What is the difference between the subtractive and additive manufacturing processes?

CNC machining is a subtractive manufacturing process. When the material is added instead of removed, it’s called an additive manufacturing process. Examples of subtractive CNC machining include specialized applications such as CNC milling services, turning, surface grinding, and EDM. An example of additive CNC machining is 3D printing.

What are the advantages of CNC machining?

Computer-aided design (CAD) files are digital records containing 3D designs and information about materials, processes, tolerances, and other variables. A digitally controlled CNC machine must always contain a file of the part design that controls it.

What kind of finish does CNC machining have?

The spinning motion from the CNC machine’s cutter will leave visible tool marks. Although they stand ready for immediate service, they can be further refined with anodizing, painting, polishing, and plating.

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