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CNC Grinding Services

* Well equipped grinding process
* Tolerances down to +/-0.002mm
* Customized Grinding Solutions
/01
 
High Quality 
Parts
 
Our cutting-edge grinding equipment is always kept up-to-date to guarantee that our clients receive precision-machined parts that meet the highest standards of accuracy. Our machines can achieve high precision with a tolerance of up to ±0.000079 inches(±0.002 mm).
/02
 
Fast Lead 
Time
 
U-Need guarantees speedy project completion in as little as 24 hours without sacrificing quality, all thanks to our effective CNC grinding technique and committed team.
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No MOQ
 
 
We believe that every project deserves the highest quality, regardless of size. That's why we offer custom precision parts with no minimum order quantity—you can order just one piece if that's all you need!

What is CNC grinding？

Customized CNC Grinding Services
CNC grinding is a precise machining process that leverages Computer Numerical Control (CNC) technology to automate your grinding tasks. With CNC grinding, you can consistently achieve complex geometries and tight tolerances, making it ideal for industries that demand high precision and quality—such as electronics, automotive, medical devices, aerospace, and more.
 
At U-Need, our CNC grinding services are fully customizable, allowing us to tailor solutions specifically to meet your needs. By choosing our customized CNC grinding services, you partner with a team dedicated to delivering exceptional quality and precision for your manufacturing projects.

Surface Treatments for 

Precision Grinding Parts ______

At U-Need, We offer a comprehensive range of surface treatment options for precision grinding parts. Whether you need a smooth, polished finish or advanced coatings for enhanced durability, our robust resources can achieve various surface treatments tailored to meet your specific requirements.
MATERIALS

CNC Grinding Materials

At U-Need, we specialize in precision grinding across a diverse range of materials. Whether you need to grind soft plastics, hard metals, super-hard tungsten carbide, or even ceramics, our advanced grinding technologies and experienced team ensure exceptional results every time.

Metals

  • Steel

    Steel

    Steel
    Steel is a broad category that refers to alloys of iron and carbon with a carbon content ranging from 0.02% to 2.11% by weight.
    Aside from iron and carbon, key components of steel consist of chromium, manganese, molybdenum, nickel, silicon, tungsten, and vanadium.
    Steel exhibits excellent strength, flexibility, ease of machining, thermal conductivity, and responsiveness to heat treatment, making it a popular choice for manufacturing precision components.
     
    Common Grades:
    		 Steel 1018, 1020, 1025, 1045, 1215, 4130, 4140, 4340, 5140, A36, Die steel, Alloy steel, Chisel tool steel, Spring steel, High speed steel, Cold rolled steel, Bearing steel, SPCC
    Available Finish:
    		 As machined, Electroplating, Passivation, Powder coating
    Price:
    $$$
     
  • Tungsten Carbide

    Tungsten Carbide

    Tungsten Carbide
    Tungsten carbide is exceptionally hard and wear-resistant, with high strength and heat resistance. It maintains stability at elevated temperatures but can be brittle and prone to chipping. Additionally, it offers good corrosion resistance and is dense, making it ideal for cutting tools and industrial applications.
    You can rely on us for precision machining of tungsten carbide components, backed by extensive expertise and cutting-edge CNC technology. Our commitment to quality and efficiency ensures that you receive exceptional tungsten carbide products tailored to your specific needs, whether for custom projects or large-scale production.
     
    Common Grades:
    		 KG5, KG7, and ST7.
    Available Finish:
    		 As-Machined, Polishing, Lapping, Brushing, Tumbling, Grinding, PVD Coating...
    Price:
    		 $$$$$$
     
  • Aluminium
    Aluminium
    Aluminum
    Aluminum is a valuable industrial material due to its excellent thermal properties and ease of processing. When compared to die steel, aluminum alloy is known for its good machinability, lightweight nature, and high thermal conductivity. While it used to have low strength, advancements have allowed aluminum alloy to now match carbon steel, making it suitable for creating plastic molds. The efficient cooling performance of aluminum alloy has been particularly beneficial in reducing the forming cycle time for plastic bottle blow-forming production.
    U-NEED precision machinery specializes in designing and producing high-quality custom aluminum parts with precision. Our team has the expertise to handle prototyping, small batch production, or full project production using a variety of processing techniques.
     
    Common Grades:
    		 Aluminum 6061, 6061-T6, Aluminum 2024, Aluminum 5052, Aluminum 5083, Aluminum 6063, Aluminum 6082, Aluminum 7075, 7075-T6, Aluminum ADC12 (A380)
    Available Finish:
    		 As machined, Anodizing, Powder coating, Electroplating, Painting, Sand blasting, Polishing
    Price:
    $$
  • Stainless Steel

    Stainless Steel

    Stainless Steel
    Stainless steel, also known as stainless and acid-resistant steel, is a type of steel that is resistant to air, steam, water, and weak corrosive mediums. Acid-resistant steel, on the other hand, is resistant to chemical corrosion mediums such as acid, alkali, and salt.
    Stainless steel is a versatile material that is commonly used in various industries due to its excellent heat resistance, corrosion resistance, polishing performance, and high hardness. It is widely used in fields such as automotive, aerospace, medical, and consumer electronics.
    U-Need Precision Machinery has the expertise and knowledge to fabricate custom stainless steel parts and products with high precision tolerance requirements.
     
    Common Grades:
    		 Stainless Steel SUS201, SUS303, SUS 304, SUS316, SUS316L, SUS42, SUS430, SUS431, SUS440C, SUS630/17-4PH, AISI 304
    Available Finish:
    		 As machined, Electroplating, Passivation, Powder coating
    Price:
    $$$
     
  • Copper

    Copper

    Copper
    Copper is a valuable metal that plays a significant role in many industries. It is abundant in nature and possesses exceptional properties such as excellent electrical conductivity, thermal conductivity, ductility, corrosion resistance, and wear resistance. This non-ferrous metal is utilized in a wide range of sectors including power, electronics, energy, petrochemical, machinery, metallurgy, communications, light industry, and emerging industries. In China, copper is the second most consumed non-ferrous material after aluminum.
    There are different types of copper, including pure copper (copper element) and various copper alloys like brass, bronze, and white copper.
    Precision-machined CNC copper parts are commonly used in various applications. Copper alloys are extensively used in the manufacturing of valves, water pipes, air conditioning connecting pipes, and radiators. These materials can be found in electrical products, pipelines, the medical industry, and a variety of consumer goods.
     
    Common Grades Copper C101(T2), Copper C103(T1), Copper C103(TU2), Copper C110(TU0), Beryllium Copper
    Available Finish:
    		 As machined, Polishing, Sand blasting, Tumbling, Electropolish, Alodine, Heat treatment, Black oxidize, Electroless nickel, Chrome plating, Brushed finish
    Price:
    $$$
     
  • Brass

    Brass

    Brass
    Brass is a corrosion-resistant alloy that exhibits excellent machinability, making it easy to shape and cut. It has good ductility and malleability, allowing it to be formed into intricate designs.
    With our expertise in machining brass parts, you can expect components expertly tailored to your specific requirements. Our advanced machining techniques and state-of-the-art equipment ensure that every brass part produced is crafted with precision and quality.
     
    Common Grades C36000 and C46400.
    Available Finish:
    		 As-Machined, Polishing, Lapping, Grinding, Sandblasting, Passivation, Electroplating...
    Price:
    $$$
     
  • Bronze

    Bronze

    Bronze
    Bronze, a mixture of copper and tin, is recognized for its long-lasting quality and ability to resist rust. It is commonly utilized in marine settings, art pieces, and mechanical components due to its robustness and capacity to endure tough conditions.
     
    Common Grades:
    		 Tin Bronze
    Available Finish:
    		 As machined, Polishing, Sand blasting, Tumbling, Electropolish, Alodine, Heat treatment, Black oxidize, Electroless nickle, Chrome plating, Powder coating, Brushed finish
    Price:
    $$$
     
  • Titanium

    Titanium

    Titanium
    Titanium is known for its exceptional strength and light weight, making it a popular choice for aerospace and medical implants. Its ability to resist corrosion and compatibility with the human body make it a valuable material for challenging conditions, and its impressive strength-to-weight ratio makes it versatile for use in different industries.
     
     
    Common Grades:
    		 Titanium Alloy TA1, Alloy TA2, Alloy TC4/Ti-6Al 4V
    Available Finish:
    		 As machined, Polishing, Sand blasting, Tumbling, Electropolish, Alodine, Heat treatment, Black oxidize, Electroless nickle, Chrome plating, Powder coating, Brushed finish
    Price:
    $$$$$
     
  • Magnesium

    Magnesium

    Magnesium
    Magnesium is known for its light weight and durability, making it a popular choice in the aerospace and automotive industries where weight reduction is important. Its ability to be easily shaped allows for intricate designs, and it is also commonly used in electronics for its high conductivity.
     
    Subtypes:
    		 Magnesium Alloy AZ31B, AZ91D
    Available Finish:
    		 As machined, Polishing, Sand Blasting, Tumbling, Alodine, Heat treatment, Anodizing, Teflon coating, Electroless nickel, Painting, Powder coating, Electrophoresis
    Price:
    $$$$$
     
     

PLASTICS

  • ABS
    ABS
    ABS
    ABS plastic is a type of resin composed of three monomers: acrylonitrile, butadiene, and styrene.
    ABS plastic is known for its strong impact resistance and excellent mechanical properties. It also boasts impressive heat resistance, oil resistance, and chemical stability.
     
    Common Grades:
    		 ABS Beige(Natural), ABS Blac, ABS Black Antistati, ABS Milky Whit, ABS+PC Black, ABS+PC White
    Available Finish:
    		 As machined, Sand blasting, Tumbling, Teflon coating, Painting, Powder coating, Electrophoresis
    Price:
    $$
     
  • PC

    PC

    PC
    Polycarbonate plastic exhibits exceptional resistance to impact and creep, along with high heat resistance and good cold resistance. It can withstand temperatures as low as -100 ℃ before becoming brittle. Its bending and tensile strength are comparable to nylon, with high elongation and elastic modulus.
     
    Common Grades:
    		 Common Grades
    Available Finish:
    		 As machined, Sand blasting, Tumbling, Painting, Brushed Finish
    Price:
    $$
  • PMMA (Acrylic)

    PMMA(Acrylic)

    PMMA (Acrylic)
    PMMA(Acrylic) is a transparent material that is durable, resistant to weather conditions, and does not lose its color over time. It is perfect for use in outdoor settings such as displays, signs, and lighting, as it can withstand various weather conditions.
     
    Subtypes:
    		 PMMA Black, PMMA Transparent, PMMA White
    Available Finish:
    		 As machined, Sand blasting, Tumbling, Painting
    Price:
    $
  • POM

    POM

    POM
    Excellent mechanical properties, including high tensile strength, impact strength, rigidity, fatigue strength, and creep resistance. Additionally, it offers good dimensional stability, low water absorption, low friction coefficient, and excellent chemical resistance. Its performance is comparable to nylon, but it comes at a more affordable price.
     
    Common Grades:
    		 Dark brown (coffee) POM 100AF, POM Black, POM Blue, POM White
    Available Finish:
    		 As machined, Sand blasting, Tumbling, Painting
    Price:
    $$
  • PA (Nylon)

    PA(Nylon)

    PA (Nylon)
    Polyamide has outstanding characteristics. Its low specific gravity, high tensile strength, wear resistance, self-lubricating ability, impact toughness, and combination of rigidity and flexibility make it a versatile material for creating a wide range of products as a metal substitute.
     
    Common Grades:
    		 PA(Nylon) Blue, PA6 (Nylon)+GF15 Black, PA6 (Nylon)+GF30 Black, PA66 (Nylon) Beige(Natural), PA66 (Nylon) Black
    Available Finish:
    		 As machined, Sand blasting, Tumbling, Teflon coating, Painting, Powder coating
    Price:
    $$
     
  • PE

    PE

    PE
    Polyethylene is known for being both lightweight and durable, making it an ideal choice for packaging, storage containers, and items requiring strong resistance to impact.
     
    Common Grades:
    		 HDPE, UHMW-PE, LDPE
    Available Finish:
    		 As machined, Sand blasting, Tumbling, Painting, Powder coating
    Price:
    $$
  • PEEK

    PEEK

    PEEK
    PEEK is a strong thermoplastic polymer that has a pleasant smell and can withstand high temperatures. It is also resistant to impacts, flames, acids, alkalis, hydrolysis, abrasion, fatigue, radiation, and has good electrical properties.
    Due to its smooth sliding abilities, PEEK is ideal for situations that demand low friction, washing, and wear resistance.
     
    Common Grades:
    		 PEEK Beige(Natural), PEEK Black
    Available Finish:
    		 As machined, Sand blasting, Tumbling, Painting, Powder coating
    Price:
    $$$$$
  • PP

    PP

    PP
    This plastic is known for being extremely lightweight. Its performance in terms of yield, tensile strength, compressive strength, and hardness surpasses that of low-pressure polyethylene. Additionally, it boasts exceptional rigidity, resistance to stress relaxation, and heat resistance up to temperatures as high as 90 ℃.
     
    Subtypes:
    		 PP Black, PP White, PP+GF30 Black
    Available Finish:
    		 As machined, Sand blasting, Tumbling, Painting, Powder coating
    Price:
    $
     
  • PETG

    PETG

    9. PETG
    PETG exhibits favorable viscosity, transparency, color retention, chemical resistance, and resistance to stress whitening.
    PETG boasts exceptional processing and molding capabilities, allowing for the creation of designs in any desired shape as per the designer's vision.
     
    Common Grades:
    		 PET Black, PET White, PET+GF30 Black, PET+GF30 White
    Available Finish:
    		 As machined, Sand blasting, Tumbling, Teflon Coating, Painting
    Price:
    $$
  • PTFE (Teflon)

    PTFE(Teflon)

    PTFE（Teflon)
    It has excellent chemical stability, is not effective with strong acids, strong bases, or strong oxidants, has a high heat resistance and cold resistance, has a service temperature of – 180~250 ℃, has a low friction coefficient, and is an excellent self-lubricating material.
     
    Common Grades:
    		 Teflon (PTFE) Black, Teflon (PTFE) White
    Available Finish:
    		 As machined, Sand blasting, Powder coating, Brushed finish
    Price:
    $$
     
  • PF (Bakelite)

    PF (Bakelite)

    11. PF (Bakelite)
    Bakelite is known for its ability to withstand high temperatures, insulate electricity, and resist wear and tear. It is commonly used in electrical insulation and antique electronic devices, where reliability and longevity are important factors.
     
    Subtypes:
    		 Bakelite Black, Bakelite Orange
    Available Finish:
    		 As machined, Painting, Powder coating, Brushed finish
    Price:
    $$
  • PU

    PU

    PU
    PU plastic has the rigidity of plastic and the elasticity of rubber.
    It has pressure and shock resistance, impact resistance, oil resistance, acid and alkali resistance, and excellent wear resistance.
    PU series elastomer has superior tensile strength, tear resistance, high elasticity, high-pressure load resistance, wear resistance, and other characteristics.
    It is easy to cut, grind, drill, and perform other machining processes.
     
    Common Hardness Grades:
    		 80 Shore, 85 Shore, 90 Shore, and 95 Shore.
    Price:
    $$

SPECIAL MATERIAL

  • Ceramics

    Ceramics

    3. Ceramics
    Ceramics are characterized by high hardness, brittleness, excellent thermal stability, low friction, chemical resistance, electrical insulation properties, and the ability to achieve tight tolerances.
    Our expert team understands the unique properties of ceramics and can achieve tight tolerances, making our parts ideal for demanding applications across various industries. With unmatched wear resistance and chemical stability, our ceramic machining solutions promise enhanced performance and longevity.
     
    Common Grades:
    		 Alumina Ceramic, Zirconia Ceramics, and Aluminum Nitride Ceramics.
    Available Finish:
    		 As-Machined, Polishing, Lapping, Grinding, Electroplating, PVD Coating...
    Price:
    		 $$$$$$
     

Comprehensive Grinding Solutions 

Tailored to Your Needs ________

At U-Need, we pride ourselves on offering not just CNC grinding services, but a wide array of grinding processes to meet your diverse manufacturing requirements.
With our extensive range of grinding services, you can trust U-Need to deliver exceptional quality, precision, and efficiency.
Optical Profile Grinder

Optical Profile Grinders

A specialized machine tool used for precision grinding of shapes and profiles with the assistance of a plotter. The plotter generates the required processing graphics on a film, which is then attached to the projection screen for correction. The operator grinds the profile according to the image displayed on the film.
 
Maximum Stroke(mm) 60 x 60 x 70
Surface Finish Ra0.8
Machining Accuracy(mm) 0.002

Large CNC Surface Grinders

A precision machine designed for grinding large workpieces with flat surfaces. The machine utilizes Computer Numerical Control (CNC) to automate the grinding process, allowing for high precision and repeatability.
 
Maximum Stroke(mm) 500 x 800 x 250
Surface Finish Ra0.6
Machining Accuracy(mm) 0.003
Large CNC Surface Grinders
Precision Surface Grinding Machines

Precision Surface Grinding Machines

This process primarily involves grinding the workpiece with a rotating grinding wheel to achieve the required flatness.
 
Maximum Stroke(mm) 350 x 275 x 175
Surface Finish Ra0.6
Machining Accuracy(mm) 0.002

Punch Grinders / Punch Grinding Machines

Mounted on the grinding machine, is a tool that automatically achieves concentricity to grind circular punches without any adjustments.
 
Maximum Stroke(mm) Outer Diamerter: 1.0~60
Inner Diameter: 2.0~55
Length:10~150
Surface Finish Ra0.6
Machining Accuracy(mm) 0.002
Punch Grinders / Punch Grinding Machines
Punch Former

Punch Formers

A mechanical device that can be mounted on various machine tools, such as grinding machines, milling machines, and drilling machines. It is used for forming and grinding different shapes, including arcs, polygons, and circles.
 
Maximum Stroke(mm) 80 x 200
Surface Finish Ra0.8
Machining Accuracy(mm) 0.005

Centerless Grinder / Centerless Grinding Machines

a specialized machine tool used for grinding cylindrical workpieces without the need to position them between centers. Centerless grinding is classified as a circumferential grinding method.
 
Maximum Stroke(mm) 0.50~45
Surface Finish Ra0.6
Machining Accuracy(mm) 0.002
Centerless Grinder / Centerless Grinding Machines
Inside Diameter Grinding Machine

Inside Diameter Grinding Machine

A type of grinding machine specifically designed for grinding the internal surfaces of cylindrical workpieces.
 
Surface Finish Ra0.6
Machining Accuracy(mm) 0.002

Applications of ________

CNC Grinding Machining Parts

We are committed to delivering high-quality grinding parts with tight tolerances that meet your unique specifications. Our precision grinding components are utilized in a wide range of applications across multiple industries, thanks to their ability to achieve exceptional accuracy and finish.
Aerospace: Components such as turbine blades, landing gear, and structural parts require precise grinding to meet stringent safety and performance standards.
Automotive: Engine components, transmission parts, and brake systems often undergo grinding for surface finishing and to ensure proper fit and function.
Medical Devices: Precision-ground parts are crucial for medical instruments, implants, and devices, where accuracy and reliability are paramount.
Tool and Die Making: Grinding is used to create molds, dies, and tooling that require high precision and smooth finishes.
Electronics: Parts like connectors, housings, and circuit boards benefit from grinding to achieve the flatness and finish needed for effective functioning.
Energy: Grinding is used in the production of components for renewable energy systems, such as wind turbine gears and hydroelectric turbines.
Manufacturing: Various industrial machinery components, such as bearing races and flat surfaces, are ground to meet precise dimensional and surface quality requirements.
Applications of CNC Grinding Machining Parts
FAQs _____

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U-Need Precision Machinery Co., Ltd.
  +86 0769 23225585
 +86 15916761371
  contact@uneedpm.com
  Room 401-1, Building 4, SongHuZhiGu Research Center, No.6 Minfu Road, Liaobu Town, Dongguan City, Guangdong Province, China
523425

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