Robotic CNC machining services Custom Robot Parts

Yumei specializes in the high-precision manufacturing of core robotic components. Using advanced 3-axis,4-axis and 5-axis machining technologies, we ensure micron-level precision and meet the stringent tolerance control requirements for critical parts such as robot joints and transmission systems.

Certified to ISO 9001:2015, ISO 14001:2015, and IATF 16949:2016, we adhere to international quality standards. With fast turnaround times and 24/7 support, we ensure on-time delivery to meet the high demands of the robot industry.
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Why Choose Us to Manufacture Robot Components?

Yumei focuses on the full-process manufacturing of core robot components from prototyping to mass production, covering various designs ranging from basic structural parts to complex precision structural components.
With decades of precision manufacturing experience, advanced machining processes and strict quality management systems, we transform your design concepts into stable, reliable and high-performance robot solutions. Whether it is the core joint drive system, precision transmission system or perception and control unit, Yumei is always your trusted partner for research, development, and manufacturing.
ISO Certification
YUMEI has officially been certified with ISO 9001:2015 and ISO 14001:2015. These certifications not only serve as authoritative recognition of our precision manufacturing capabilities in the field of robot components, but also ensure that the entire process—from design optimization and precision machining to product delivery—strictly complies with international quality control standards and environmental sustainability guidelines.
Short Delivery Time
Equipped with over 150 sets of advanced manufacturing devices—including high-efficiency 5-axis and 8-axis CNC machining centers—we boast strong production capacity and optimized processing efficiency. Our abundant equipment resources enable parallel processing of multiple orders, minimize production bottlenecks, and ensure rapid turnaround for both prototype and mass production projects.
Production Capacity
Yumei has deep expertise in the precision manufacturing field and is equipped with over 150 advanced processing machines, covering a full range of equipment such as CNC turning, multi-task turn-mill centers, CNC milling machines(3-axis,4-axis and 5-axis), Swiss turning machines(3-axis,5-axis and 8-axis), automatic lathe machines, cold forging and thread rolling machines, CNC bending machines, laser cutting machines, and welding machines etc. With our comprehensive manufacturing capabilities, we respond flexibly to various product processing needs, providing efficient and precise one-stop production solutions for your projects.
Processing Technology
As a professional manufacturer integrating design, manufacturing, sales, and service, Yumei Hardware is committed to the production of high-quality precision parts. We integrate key processes such as CNC turning, CNC milling, Multi-task turn-mill, Swiss turning, automatic lathe processing, cold forging, and sheet metal processing. With our comprehensive technical capabilities, we provide customers with a complete solution from concept to finished product, ensuring that each item is precise, reliable, and meets the diverse needs of precision manufacturing.
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Custom Robot 5-Axis Machining

We specialize in the high-precision manufacturing of custom robotic core components. By utilizing advanced 5-axis machining centers, we combine cutting-edge processing technologies with deep industry expertise to provide customers with highly adaptable precision manufacturing solutions. Whether it’s complex joint modules, structural components of the robot body, or precision sensing components, our technology can handle a variety of intricate designs and overcome processing challenges such as forming complex shapes and achieving micron-level tolerances.


We are proficient in CNC machining of titanium alloys, aluminum alloys, and high-rigidity composite materials, ensuring the movement coordination and operational balance between core robotic components.

Machining Precision of Robot Parts

Yumei Hardware provides comprehensive CNC manufacturing services, specifically optimized for humanoid robot components, with the following process advantages:

Complex Structure Forming Capability

We efficiently machine complex curved surfaces, fine chamfers, and lightweight thin-walled structures, while ensuring rigidity and precise control of geometric shapes. For robot motion joints and transmission components, we focus on optimizing the machining processes of key features such as threads and tooth profiles, striving to improve fatigue resistance, assembly accuracy, and long-term motion stability, thus ensuring reliable operation under high-load and high-frequency working conditions.

Precision Tolerance Control

We implement strict tolerance management for key robot motion components, with machining accuracy reaching 0.01mm or even higher, to ensure assembly fit, transmission precision, and overall system performance.

Professional Material Application

We offer a diverse range of product-grade materials, including aluminum, stainless steel, titanium, copper, brass and others. In addition, we offer post-processing options such as anodizing, bead blasting, electroplating, and powder coating to enhance the functionality and cosmetic specifications of robotic parts to meet the practical needs of different applications.

Large-Scale Manufacturing Support

We provide scalable 5-axis machining solutions that support flexible production from prototype trial-manufacturing to mass-production orders. While ensuring precision, we improve manufacturing efficiency and guarantee batch consistency and delivery reliability.

Our Robot Manufacturing Capabilities

Our manufacturing capabilities for core robot components integrate precision machining and professional processes, relying on multi-axis CNC technology and advanced material science. We are committed to providing high-precision and high-reliability key components to ensure the efficient and safe operation of robot systems.
CNC Machining Aluminum Parts

5 Axis CNC Machining

Utilizing 5-axis CNC machining centers, we process complex curved surfaces and precision structures in the robotics industry. We specialize particularly in the integrated molding of core robotic components, such as joint housings, reducer structural parts, linkage mechanisms, and various irregular thin-walled components.

Sheet metal cutting process in industrial workshop

Sheet Metal Fabrication

We provide high-precision sheet metal cutting, bending and welding services to ensure that robot structural components achieve lightweight, high strength and excellent rigidity performance. Whether it is robot body covers, joint brackets, or various customized sheet metal modules, we can meet the requirements of robot equipment in terms of stability, durability and long-term operation through precision machining and strict quality control.

3 Axis CNC Milling

CNC Milling

We use high-precision CNC milling machines to manufacture complex geometries and tight-tolerance components, meeting the demanding requirements of robot core parts. This is especially suitable for machining critical areas such as joint transmission assemblies and key reducer components.

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CNC Turning

Using precision CNC Turning machines to machine rotating parts, ensuring high accuracy, rigidity, and surface integrity, while accommodating the processing of special materials.

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Mill-Turn Machining

Combining milling and turning processes, completing multi-surface machining in a single setup, ensuring critical geometric tolerances and assembly consistency, while improving machining efficiency.

Practical operation scenario of positioning equipment in a Swiss CNC machining workshop

Swiss CNC Machining

We use Swiss CNC machines for high-precision machining of small components, specializing in slender and tight-tolerance parts for the robotics industry—such as sensor shafts, micro connectors, and precision transmission elements. This equipment fully meets the robotics sector’s requirements for miniaturization, complex structures, and strict machining standards.

Robot CNC Machining Customer Cases

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Materials for Robot CNC Machining

Selecting the right materials for robot core components requires a precise balance between lightweight design, structural strength, and wear resistance. We have extensive experience working with a wide range of high-performance materials.
Metals Machining
Plastics Machining

Aluminum

Color:
Silver-white
Subtypes:
Aluminum 6061,6061-T6 Aluminum 2024, Aluminum 5052Aluminum 5083, Aluminum 6063, Aluminum 6082, Aluminum 7075,7075-T6, Aluminum ADC12 (A380)
Available Finish:
  • Anodizing Types II: 5-25 μm coating thickness, 16 color options
  • Type III (Hardcoat): 25-50+ μm thickness, Hardness 60-70 Rockwell C
  • Powder coating: 75-125 μm thickness, 2,000+ color options
  • Bead Blasting: 150-600 grit media for controlled surface texture
  • Plating: 5-25 μm thickness, Hardness 48-52 Rockwell C    

Brass

Color:
Yellow
Subtypes:
Brass C27400, Brass C28000, Brass C36000
Available Finish:
  • Polishing: Creates a smooth, glossy surface finish, ideal for decorative products and high-visibility products.
  • E-plating: Forms an effective corrosion-resistant protective layer via galvanizing, nickel plating, chrome plating, etc.
  • Anodization: Enhances corrosion resistance and adds color.
  • Passivation: Effectively inhibits oxidation of brass parts, extending their service life in harsh operating conditions.

Copper

Color:
Reddish-brown
Subtypes:
Copper C101(T2), Copper C103(T1), Copper C103(TU2), Copper C110(TU0), Beryllium Copper
Available Finish:
  • Polishing: Creates a smooth, glossy surface finish, ideal for decorative products and high-visibility products.
  • E-plating: Forms an effective corrosion-resistant protective layer via galvanizing, nickel plating, chrome plating, etc.
  • Anodizing: Enhances corrosion resistance and adds color.
  • Passivation: Effectively inhibits oxidation of brass parts, extending their service life in harsh operating conditions.
Magnesium

Magnesium

Color:
Light Silver-white
Subtypes:
Magnesium Alloy AZ31B, Magnesium Alloy AZ91D
Available Finish:
  • Anodizing: Forms a dense and hard oxide layer (magnesium oxide) on the surface to improve corrosion resistance and wear resistance. It can also be dyed in various colors such as black or gray.
  • E-plating: Forms an effective corrosion-resistant protective layer via galvanizing, nickel plating, chrome plating, etc.
  • Polishing: Creates a smooth, glossy surface finish, ideal for decorative products and high-visibility products.
  • Passivation: Effectively inhibits oxidation of brass parts, extending their service life in harsh operating conditions.

Steel

Color:
Silver-gray
Subtypes:
Steel1018,1020,1025,1045,1215,4130,4140,4340,5140,A36, Die steel, Alloy steel, Chisel tool steel, Spring steel, High speed steel, Bearing steel, Cold rolled steel, SPCC
Available Finish:
  • Anodizing: Forms a dense and hard oxide layer (magnesium oxide) on the surface to improve corrosion resistance and wear resistance. It can also be dyed in various colors such as black or gray.
  • E-plating: Forms an effective corrosion-resistant protective layer via galvanizing, nickel plating, chrome plating, etc.
  • Powder Coating: It offers strong durability and allows for a wide range of color and texture selections.
  • Heat Treatment:Uses controlled heating and cooling cycles to enhance the metal’s mechanical properties. This process increases hardness, improves strength

Stainless Steel

Color:
Silver-gray
Subtypes:
Stainless SteelSUS201, Stainless SteelSUS303, Stainless SteelSUS 304, Stainless SteelSuS316, Stainless SteelSUS420, Stainless SteelSUS430, Stainless SteelSuS431, StainlessSteelSUS440C, Stainless SteelSUS630/17-4PH, Stainless SteelAlS1304, Stainless SteelSUS316L
Available Finish:
  • Polishing: Creates a smooth, glossy surface finish, ideal for decorative products and high-visibility products.
  • Powder Coating: It offers strong durability and allows for a wide range of color and texture selections.

Titanium

Color:
Silver
Subtypes:
Titanium Alloy TA1, Alloy TA2, Alloy TC4/Ti-6Al 4V
Available Finish:
As machined, Polishing, Sand Blasting, Tumbling, Electropolish, Alodine, Anodizing, Electroless nickel, Painting, Powder coating, Brushed finish

ABS

Color:
Black,White
Subtypes:
ABS Beige(Natural)ABS Black, ABS Black Antistatic, ABS Milky White, ABS+PC Black, ABS+PC White
Available Finish:
  • Sanding:Remove obvious machining marks for a smooth surface
  • Painting:Color matching or applying a coating to enhance product appearance.
  • Vapor Polishing: Solvents can smooth transparent ABS and make it glossy.
  • Texturing: Add patterns or textures to increase friction and enhance a refined feel.

Acetal

Color:
Dark brown(coffee),Black,Blue,White
Subtypes:
Dark brown (coffee)POM 100AF, POM Black, POM Blue, POM White
Available Finish:
  • Machined Finish:CNC machining provides a standard surface finish.
  • Bead Blasted Finish:Creates a textured surface to improve grip and feel.
  • Polished Finish:Produces a smooth and glossy finish.

HDPE

Color:
Black, White
Subtypes:
HDPE Black, HDPE White
Available Finish:
Because HDPE parts are generally difficult to coat, they are often left in their machined state. Various CNC machining methods—such as milling, turning—along with suitable post-processing options, can produce different surface finishes.

Nylon PA

Color:
Blue,Black,White,Beige
Subtypes:
PA(Nylon) Blue, PA6 (Nylon)+GF15 Black, PA6 (Nylon)+GF30 Black, PA66 (Nylon) Beige(Natural), PA66 (Nylon) Black

PEEK

Color:
Beige,Black
Subtypes:
PEEK Beige(Natural), PEEK Black
Available Finish:
  • Machined Finish: CNC machining provides a standard surface finish.
  • Bead Blasted: Creates a textured surface to improve grip and feel.
  • Polished: Makes the surface smoother, improving appearance and reducing friction.
  • Coated: Enhance wear resistance and lower friction.

Phenolic

Color:
Black,Red
Subtypes:
Phenolic black,Phenolic red
Available Finish:
As machined, Painting, Powder coating, Brushed finish

Polycarbonate

Color:
White
Available Finish:
  • as-machined: retain the obvious lines left by the tools and machine tools during the machining process.
  • Vapor Polishing:Vaporize solvents to act on the surface, smoothing it for enhanced material transparency.
  • Bead Blasting:Creates a matte texture while eradicating minor blemishes.
  • Painting: Adds many colors to the product and forms a protective coating, enhancing appearance and extending service life.
  •  Laser Engraving:Engraves logos or customized patterns on the workpiece surface.
  • Anodizing:Effectively enhances the workpiece's corrosion resistance.

PVC

Color:
Black,White
Available Finish:
  • Painting/Coating: Enhance aesthetics (color customization) and add a protective layer against scratches.
  • Polished: Makes the surface smoother, improving appearance and reducing friction.
  • Texturing: Add patterns or textures to increase friction and enhance a refined feel.

Surface Finishing for Robot CNC Machining

Robot components must maintain stable and reliable performance under long-term high-frequency motion, heavy load impacts, and complex environmental conditions. Therefore, selecting the right surface treatment process is essential. We offer a range of surface treatment solutions tailored to robotics applications to meet the demands of various challenging operating conditions.

As Machined

容器 15@1x
Ra 3.2μm / Ra 126μin
Removes sharp edges and burrs

Anodizing

容器 17@1x
Forms an oxide layer on the surface of metals (e.g., aluminum, magnesium) to provide durability and corrosion resistance.

Polishing

容器 16@1x
Ra 0.2μm / Ra 8μin
Makes the surface smoother, improving appearance and reducing friction.

Sand Blasting

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Ra 3.2μm / Ra 126μin
Removes sharp edges and burrs
Uses high-speed abrasive particles to strike the surface and remove rust, old coatings, oxides, and impurities.

Brushed Finish

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Forms uniform, fine linear textures on metal or other materials through mechanical processing, creating a satin finish that is resistant to fingerprints.

Powder Coating

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Uses powder coatings for a dry finishing process, offering strong durability and allows for a wide range of color and texture selections.

Conventional Spray

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Delivers uniform, fine-grained coverage for diverse surfaces. Easy to apply, fast-drying, and reliable—ideal for professional finishing, household touch-ups, and industrial coating needs. A trusted choice for consistent, smooth results.

Electroplating

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Forms a dense, corrosion-resistant metal coating—such as through galvanizing, nickel plating, or chrome plating—by reducing dissolved metal cations using electric current.

Black Oxidize

容器 14@1x
Ra 3.2μm / Ra 126μin
Removes sharp edges and burrs
Uses high-speed abrasive particles to strike the surface and remove rust, old coatings, oxides, and impurities.

Electropolish

容器 13@1x
Removes micro-burrs and impurities from metal surfaces using electrochemical principles.

Alodine

Custom aluminum bike parts anodized finish
Immerses aluminum in a chromate solution to form a thin, dense conversion coating that improves corrosion resistance and enhances paint or coating adhesion.

Heat Treatment

容器 11@1x
Uses controlled heating and cooling cycles to enhance the metal's mechanical properties. This process increases hardness, improves strength

Smooth Machining

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Ra 1.6μm / Ra 63μin

Fine Machining

18
Ra 0.8μm / Ra 32μin

Robot Parts Tolerance Standards

Tolerance standards for robot components are directly tied to overall motion accuracy and long-term operational reliability, and are significantly more stringent than those in general industrial applications. We strictly follow the IATF 16949 mass-production quality management system and ISO 2768/ISO 8062 precision machining tolerance standards, and have established dedicated process control specifications based on the unique requirements of the robotics industry.
Permissible deviations in mm for ranges in nominal lengthsTolerance class:designation (description)
f (fine)m (medium)c (coarse)
Linear Dimensions
0.5 up to 3±0.05±0.1±0.2
over 3 up to 6±0.05±0.1±0.3
over 6 up to 30±0.1±0.2±0.5
over 30 up to 120±0.15±0.3±0.8
over 120 up to 400±0.2±0.5±1.2
over 400 up to 1000±0.3±0.8±2.0
over 1000 up to 2000±0.5±1.2±3.0
over 2000 up to 4000-±2.0±4.0
External Radius and Chamfer Heights
0.5 up to 3±0.2±0.2±0.4
over 3 up to 6±0.5±0.5±1.0
over 6±1.0±1.0±2.0
Angular Dimensions
up to 10±1º±1º±1º30'
over 10 up to 50±0º30'±0º30'±1º
over 50 up to 120±0º20'±0º20'±0º30'
over 120 up to 400±0º10'±0º10'±0º15'
over 400±0º5'±0º5'±0º10'

Customer Reviews

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Anya Forger
Aisha Patel
“Service is excellent.”
Your CNC-machined joint components deliver micron-level precision, which is critical for our robot arm accuracy. On-time delivery and consistent quality keep our production lines running smoothly.
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John Doe
Kenji Tanaka
“Truly professional”
For our cobot end-effectors, your lightweight CNC parts balance strength and precision perfectly. Your team’s proactive engineering support has been a game-changer for our custom projects.
生成 African American 头像@1x
Lya Keller
Elena Voss
“The products are very reliable.”
The CNC-machined gearbox components you supply hold up flawlessly under continuous use. Their reliability directly improves the uptime of our AGV fleets—we trust your work completely.

We can also engage in the processing of parts for more industries.

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Automotive

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Medical

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Energy

aluminum racing parts cnc machining

Motorcycle

Yumei Hardware FAQs

A: Grippers
Housings and fixtures
Arm components
Robotics assemblies
Networking technology
Autonomous vehicles
Animatronics
Commercial and defense robotics

A: Yumei offers a wide range of robot kits, including industrial robotics, surgical robotics, industrial automation, commercial and defense robotics, consumer robotics, autonomous vehicles, animatronics and more.

A: Our samples can be done within 1 day as soon as we have raw material in stock and there is no surface treatment for the part,3-5 days is our normal time for the samples,regarding the mass production time,it depends on the order quantity,normally 7-15 days.

CNC Machining Resources

We provide comprehensive precision machining services including Mill-Turn Machining, CNC Turning, CNC Milling, and Swiss screw machining for complex and high-accuracy components. By combining flexible CNC Turning for cylindrical parts, efficient CNC Milling for prismatic and multi-surface features, and high-volume Swiss screw machining for small, tight-tolerance parts, we can support both prototypes and mass production for automotive, aerospace, electronics, medical and other industries.
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