Custom CNC Machining Services in China
Precision Parts, Rapid Turnaround, From Prototypes to Production.
- ISO 9001 Certified
- AS9100 Compliant
- 24-Hour Response
Your Trusted Partner for High-Precision CNC Machining
Welcome to Celerity Precision, a leading manufacturer of custom CNC machined parts based in China. We specialize in transforming your most complex digital designs into high-quality physical components with unparalleled speed and accuracy. Leveraging state-of-the-art equipment and a team of expert engineers, we are your strategic partner for projects that demand the highest standards of quality. Our core commitment is to provide a seamless manufacturing experience, delivering superior parts on time, every time, backed by responsive and knowledgeable customer service.
Our Core CNC Machining Services
Our state-of-the-art facility is centered around advanced CNC milling and CNC turning technologies, allowing us to produce a vast range of geometries with exceptional precision. From simple prismatic blocks to intricate, multi-faceted components, our capabilities are the foundation of our manufacturing excellence.
Custom CNC Milling
Our 3, 4, and 5-axis CNC milling centers are capable of producing complex contoured and prismatic parts. We machine everything from simple brackets to intricate housings and molds with tight tolerances and superior surface finishes.
Custom CNC Turning
We produce high-precision cylindrical components using advanced CNC lathes. Our capabilities include multi-axis turning with live tooling, allowing us to perform secondary milling and drilling operations in a single setup for maximum efficiency and accuracy
CNC Machining Materials
Metal
A lightweight, versatile metal with an excellent strength-to-weight ratio and natural corrosion resistance.
- Available Grades: 6061, 7075, 5052, 2024, 6063, 6082, 5083
- Common Finishes: As Machined, Anodizing, Powder Coating, Sand Blasting, Chromate (Alodine)
Copper
Valued for its exceptional electrical and thermal conductivity, making it the top choice for heat sinks and electrical components.
- Available Grades: C101 (OFHC), C110 (ETP)
- Common Finishes: As Machined, Electropolishing, Plating, Clear Coat
Brass
An alloy with outstanding machinability and a natural, gold-like appearance, ideal for fittings and decorative parts.
- Available Grades: C360
- Common Finishes: As Machined, Polishing, Plating, Brushing
Bronze
Known for its low-friction properties and durability, often used for bearings, bushings, and marine hardware.
- Available Grades: C932, C954
- Common Finishes: As Machined, Tumbling
Steel
A strong, durable, and cost-effective material ideal for high-stress and industrial applications.
- Available Grades: Mild Steel (1018, 1020), Alloy Steel (4140, 4340), Tool Steel
- Common Finishes: Black Oxide, Zinc Plating, Powder Coating, Painting
Stainless Steel
Offers excellent strength and superior corrosion resistance, making it ideal for medical, marine, and food-grade applications.
- Available Grades: 303, 304/304L, 316/316L, 17-4 PH, 416, 420
- Common Finishes: Passivation, Electropolishing, Brushed Finish, As Machined
Magnesium
An extremely lightweight metal, ideal for applications where every gram counts.
- Available Grades: AZ31, AZ91
- Common Finishes: Chromate Conversion Coating
Titanium
A high-performance metal with an unmatched strength-to-weight ratio and excellent biocompatibility.
- Available Grades: Grade 2, Grade 5 (Ti-6Al-4V)
- Common Finishes: As Machined, Anodizing (for color), Sand Blasting
Plastic
ABS
A tough, impact-resistant, and cost-effective thermoplastic ideal for housings, enclosures, and prototypes.
Common Finishes: As Machined, Sand Blasting, Painting
PC (Polycarbonate)
A strong, transparent plastic with excellent impact resistance and heat tolerance.
- Common Finishes: As Machined, Vapor Polishing, Painting
PLA
A biodegradable thermoplastic derived from renewable resources, commonly used for rapid prototyping.
Common Finishes: As Machined, Painting
PMMA (Acrylic)
A rigid, transparent plastic with excellent optical clarity, often used as a lightweight alternative to glass.
Common Finishes: As Machined, Vapor Polishing, Flame Polishing
POM (Delrin/Acetal)
A low-friction, high-stiffness engineering plastic with excellent dimensional stability, ideal for gears and bearings.
Common Finishes: As Machined
PA (Nylon)
A durable and versatile plastic with good wear resistance and chemical resistance.
- Available Grades: PA6, PA66
- Common Finishes: As Machined
PE (Polyethylene)
A common, chemically resistant plastic family available in various densities for different applications.
Common Finishes: As Machined
PEEK
A high-performance polymer with exceptional mechanical strength, chemical resistance, and high-temperature stability.
Common Finishes: As Machined
PP (Polypropylene)
A lightweight plastic with excellent chemical resistance and high elasticity, often used for living hinges.
Common Finishes: As Machined
HDPE
A rigid, strong version of PE with excellent impact strength and a waxy surface feel.
Common Finishes: As Machined
HIPS
A low-cost, rigid plastic that is easy to machine, often used for pre-production prototypes.
Common Finishes: As Machined, Painting
LDPE
A soft, flexible, and tough version of PE, known for its outstanding flexibility.
Common Finishes: As Machined
PBT
An engineering thermoplastic with good stiffness, dimensional stability, and resistance to chemicals and heat.
Common Finishes: As Machined
PPA
A high-performance polyamide with superior strength, stiffness, and heat resistance compared to standard nylon.
Common Finishes: As Machined
PAI (Torlon)
An extremely strong and stiff high-performance plastic that retains its properties at very high temperatures.
Common Finishes: As Machined
PET
A strong, stiff engineering plastic with good chemical resistance and excellent wear properties.
Common Finishes: As Machined
PPS
A high-performance thermoplastic with outstanding chemical resistance and dimensional stability at elevated temperatures.
Common Finishes: As Machined
PS (Polystyrene)
A clear, hard, and brittle low-cost plastic, often used for general-purpose prototypes.
Common Finishes: As Machined, Painting
PVC
A rigid, durable, and cost-effective plastic with excellent resistance to chemicals and moisture.
Common Finishes: As Machined
PTFE (Teflon™)
Known for its extremely low coefficient of friction, chemical inertness, and high-temperature resistance.
Common Finishes: As Machined
UPE (UHMW)
An extremely dense and tough version of polyethylene with exceptional abrasion and impact resistance.
Common Finishes: As Machined
Bakelite
A hard, dense, and heat-resistant thermoset plastic with good electrical insulating properties.
Common Finishes: As Machined
FR-4
A glass-reinforced epoxy laminate valued for its high strength and excellent electrical insulating properties.
Common Finishes: As Machined
Enhance and Protect Your Parts with the Perfect Finish
As Machined
The standard, most cost-effective finish with visible tool marks, straight from the machine.
Sand Blasting
Creates a uniform, non-reflective matte texture, ideal for aesthetics and improving paint adhesion.
Tumbling
A mass-finishing process to efficiently deburr and smooth batches of parts.
Electropolishing
Creates an ultra-smooth, bright, and microscopically clean finish on metals like stainless steel.
Heat Treatment
A thermal process to alter mechanical properties like hardness and strength (not a cosmetic finish).
Alodine
A chemical coating for aluminum that provides corrosion protection while maintaining conductivity.
Anodizing
Creates a hard, durable, and decorative colored surface on aluminum and titanium.
Teflon™ Coating
A non-stick, low-friction fluoropolymer coating with excellent chemical resistance.
Black Oxide
A conversion coating for steel that provides a deep black finish with no dimensional change.
Electroless Plating
A uniform chemical plating process (e.g., nickel) for excellent hardness and corrosion resistance on all surfaces.
Electroplating
An electrochemical process to deposit a metallic layer (e.g., zinc, nickel, chrome) for decorative or protective use.
Painting
A spray-applied liquid coating offering unlimited color options for a decorative and protective finish.
Passivation
A chemical cleaning process that maximizes the natural corrosion resistance of stainless steel.
Powder Coating
An electrostatically applied powder cured to form a finish that is tougher than conventional paint.
Electrophoresis
A dipped coating process (E-coat) providing complete and uniform coverage on complex parts.
Brushed Finish
A premium decorative finish with a unidirectional satin grain for a sophisticated, high-end look.
Have a Design Ready? Let's Make It Real.
Why Choose Celerity Precision
Advanced Equipment
Our facility is built around state-of-the-art 5-axis CNC machining centers and multi-axis turning lathes, enabling us to tackle complex geometries with ease.
Uncompromising Quality
As an ISO 9001 certified company, we enforce rigorous quality control at every stage, from material verification to final CMM inspection, ensuring your parts meet the highest standards.
Engineering Expertise
We provide free Design for Manufacturability (DFM) analysis with every quote, offering expert feedback to help you optimize your design for better performance and lower costs.
Streamlined Process
From our rapid 24-hour quoting to on-time global delivery, we manage the entire production process to provide a seamless and reliable customer experience.
One-Stop Solution
We are your single, accountable partner for the entire manufacturing process, including a comprehensive range of in-house and certified finishing services.
Engineering Expertise
We provide free Design for Manufacturability (DFM) analysis with every quote, offering expert feedback to help you optimize your design for better performance and lower costs.
From Digital File to Physical Part in 4 Simple Steps
Submit Design & Get Quote
Securely upload your CAD file and specifications. Our engineering team will review your project and deliver a detailed quote within 24 hours.
DFM Review & Order Confirmation
We provide expert DFM feedback. Once you approve the quote and timeline, we immediately schedule your project for production.
Precision Manufacturing
Your parts are expertly machined on our advanced CNC equipment by skilled technicians, following strict process controls to ensure accuracy and quality.
Inspection & Global Delivery
Every part undergoes a rigorous final inspection. We then carefully package and ship your components, delivering them directly to your door, anywhere in the world.
How We've Helped Our Clients Succeed
Challenge
An aerospace client needed a lightweight 7075 aluminum structural component with complex 5-axis features and an urgent deadline.
Solution & Result
We utilized our 5-axis CNC milling capabilities and a streamlined workflow to produce the parts with a MIL-SPEC hardcoat anodized finish, delivering fully compliant components 30% faster than their previous supplier.
Challenge
A medical device startup required a series of intricate 316L stainless steel surgical instrument prototypes with an ultra-clean, burr-free finish.
Solution & Result
We machined the instruments and applied an expert electropolishing and passivation finish. Our process delivered a microscopically smooth surface, which helped the client pass critical biocompatibility testing and accelerate their development timeline.
Challenge
A consumer electronics brand needed a high-volume run of 6063 aluminum enclosures with a flawless cosmetic appearance and perfect color consistency.
Solution & Result
We developed a custom manufacturing cell for the project, combining high-speed machining with a tightly controlled Type II black anodizing process, delivering over 10,000 units with a color consistency rate of 99.8%.
Custom CNC Machining Services - Celerity Precision
Are you looking for accuracy and dependability while creating custom parts? Industries are redefining how they create complicated products with custom CNC machining services.
In China, Celerity Precision provide excellent CNC machining services. We can work with a lot of different materials and needs. We can cut, drill, and shape anything with great accuracy. This makes sure that our outputs are of the best quality.
We can aid a lot of different businesses because we have superior technology and knowledge. We create parts that last a long time and work properly. We can match the needs of each client because we specialize in custom CNC machining.
Key Takeaways
- Making unique parts with high precision
- High-tech CNC machining
- A lot of different materials and services
- Solutions that are made just for each client’s needs
- Providing high-quality results to a variety of sectors
What is CNC Machining?
Computer-controlled machine tools are used in CNC machining. It manufactures parts and pieces with a high level of accuracy and repeatability.
Definition
Computer programs operate machines like lathes and mills in CNC machining. CAD software is used to design a part first. Then, a CNC program is made from this design to tell the machine what to do.
The most important things about CNC machining are accuracy and the capacity to do complicated operations over and over. Servo motors and stepper motors move the tools, which makes this possible.
History of CNC Technology
In the 1940s and 1950s, people made the first CNC machines. They utilized cards with holes in them or tapes to manage the operation.
CNC technology has come a long way since then. It now has superior software and computers. CNC machines today can do a lot of different things and work with a lot of different materials, such metals and plastics.
Additive vs. Subtractive Manufacturing
CNC machining is a subtractive process in which material is taken away to make pieces. This is not the same as additive manufacturing, like 3D printing, where material is added one layer at a time.
Subtractive vs Additive Manufacturing
Characteristics | Subtractive Manufacturing | Additive Manufacturing |
---|---|---|
Process | Material removal | Layer-by-layer addition |
Complexity | High precision and complexity | High complexity with less material waste |
Materials | Metals, plastics, composites | Variety of materials including metals, plastics, and ceramics |
Essential Components of CNC Systems
When we know the main parts of CNC systems, we can realize how complicated and exact CNC machining is. We’ll talk about the key features of a CNC machine and how different coordinate systems help it make things right.
Main Parts of a CNC Machine
A CNC machine has a number of key parts that work together to make sure the work is done correctly. The spindle is important because it spins the cutting tool quickly. The controller is the brain of the machine. It reads G-code and tells the machine what to do.
Spindle and Controller Functions
The spindle holds the cutting tool and spins it. The controller tells the machine what to do, like moving the axes and changing tools. They work together to help the CNC machine conduct very precise work on complicated assignments.
Axes and Workholding Mechanisms
CNC machines move along axes, which might be 2 to 5 axes for different jobs. Workholding mechanisms maintain the workpiece stationary while it is being machined. For this, you can utilize vices, clamps, and chucks.
Coordinate Systems and Axes of Machines
Coordinate systems help CNC machines figure out where the workpiece and tool are. To use CNC machines successfully, you need to know how these systems work.
2-Axis, 3-Axis, and 5-Axis Settings
- 2-Axis CNC machines only work on two axes, which is suitable for simple turning.
- 3-Axis CNC machines have a third axis that lets them do more complicated machining.
- 5-Axis CNC machines are the most flexible because they can make complicated forms from numerous angles.
Knowing the key features of CNC systems and coordinate systems shows us how flexible and accurate CNC machining is.
CNC Programming and Operation
Programming and running CNC machines are very important in modern manufacturing. They help produce very accurate pieces that are very complicated. We focus on precise programming and operation to make sure that our CNC machining services are of the highest quality and efficiency.
Basics of G-code and Machine Language
G-code is a simple language used to program CNC machines. It informs machines what to do, like how fast to move. To program a CNC machine well, you need to know G-code because it affects how the machine works and what it does.
CAD/CAM Software Integration
For CNC programming, CAD/CAM software is very important. It allows designers develop comprehensive models and plan out how to use tools for milling. We employ modern CAD/CAM tools to connect design and manufacturing in a way that makes things more accurate and cuts down on production time.
Toolpath Generation and Optimization
Making toolpaths is an important part of programming a CNC machine. It depicts how the machine will cut and form the material. For speedier machining, less tool wear, and improved product quality, it’s vital to optimize toolpaths.
Machine Operation Parameters
For good machining results, it’s important to set the machine’s settings, such as spindle speed and feed rates. Getting these settings right maintains tools in good shape, makes sure the finish is right, and makes sure the parts are of good quality.
Spindle Speed and Feed Rates
You need to be very careful when changing the spindle speed and feed rates. This depends on the tool and material utilized. Getting these right can make machining more faster and better.
Cooling and Lubrication Systems
CNC machining needs cooling and lubrication systems to work. They lower the amount of heat, wear on tools, and improve the polish on the surface of the part.
We can create high-quality parts that match our clients’ particular needs by being experts in CNC programming and operation. This improves the quality of their products and manufacturing.
Types of CNC Machines and Processes
CNC technology has a lot of various machines that can meet a lot of different demands. These machines can conduct both simple cuts and more complicated jobs like milling and turning.
CNC Milling Machines and Applications
A lot of people use CNC milling machines. They take material off of a workpiece with instruments that spin. These devices can accomplish a lot of tasks, like drilling and tapping.
Uses for CNC milling:
- Making complicated pieces with a lot of accuracy
- Making dies and molds
- Making parts for cars and planes through machining
CNC Turning and Lathe Operations
Lathes, often called CNC turning centers, spin a workpiece around one axis. They’re great for producing parts that are round. They are widely utilized to make parts for cars and planes.
Uses for CNC Turning:
- Making axles and shafts
- Making bushings and bearings that fit perfectly
- Making pieces with complicated forms inside
Specialized CNC Equipment
There are CNC machines that can do more than just milling and turning.
EDM Systems and Routers
CNC routers cut and shape things like wood and plastic. EDM systems use electrical discharges to get rid of material. They work well for producing forms that are hard to make.
Laser, Waterjet, and Plasma Cutting
Laser cutting machines employ a strong laser to make very precise cuts. Waterjet cutting machines use high-pressure water to cut through things. Plasma cutting machines use a plasma flame to cut through materials that conduct electricity.
Machine Types and Applications
Machine Type | Primary Function | Common Applications |
---|---|---|
CNC Milling | Removing material using rotating tools | Aerospace, automotive, mold making |
CNC Turning | Rotating workpiece around a single axis | Producing cylindrical parts, shafts, axles |
CNC Routers | Cutting and shaping various materials | Woodworking, sign making, plastic fabrication |
EDM Systems | Removing material using electrical discharges | Producing complex shapes, cavities, and molds |
Laser Cutting | Cutting materials with a high-powered laser | Precision cutting of metals, plastics, and wood |
Waterjet Cutting | Cutting materials with a high-pressure water jet | Cutting thick or hard materials, including metals and stone |
Plasma Cutting | Cutting electrically conductive materials with a plasma torch | Cutting steel, aluminum, and other metals |