CNC Grinding
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What is CNC Grinding?
CNC Grinding is a precise and efficient machining process where a CNC-controlled grinding wheel removes material from a workpiece to achieve the desired shape and finish. This method is essential for creating high-precision components with tight tolerances, ensuring exceptional surface quality.
At U-Need, we utilize advanced CNC grinding machines, including precision surface grinders, CNC large surface grinders, and fully automatic surface grinders, capable of handling various materials and complex geometries. Our expertise in CNC grinding allows us to meet stringent industry standards across sectors such as automotive, medical, electronics, and sports equipment. Trust our CNC grinding services for superior accuracy, reliability, and quality in every project.
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Key Features of CNC Grinding
If you are looking for one kind of machining services that can meet the demands below, then our CNC grinding services can make a significant difference:
High Precision
Achieves tolerances as tight as 0.002mm with incredible precision.
Efficiency
Automation boosts production speed, producing more parts per hour than manual processes.
Versatility
Handles a wide variety of materials, including hard metals, ceramics, and composites.
Surface Quality
Produces exceptional finishes, achieving surface roughness lower than Ra0.1µm.
Reduces Waste
Minimizes material waste due to high accuracy, supporting sustainable manufacturing.
Complex Geometries
Creates intricate shapes and complex geometries unachievable with manual processes.
Operator Safety
Automation reduces the need for human intervention, lowering accident risks.
What Levels of Precision Do Our Grinding Services Provide?
Various Grinding Machines and Their Stroke and Accuracy
Machine | Machined Maximum Stroke(mm) | Surface Finish | Precision Machining Accuracy(mm) |
---|---|---|---|
Punch Former | Outer Diamerter:1.0~60 Inner Diameter:2.0~55 Machining Length:10~150 Clamping Length Range:10~200 | Ra0.6 | 0.002 |
Centerless Grinding Machine | 0.50~45 | Ra0.6 | 0.002 |
CNC Surface Grinding Machine | 150*400 | Ra0.6 | 0.002 |
CNC Large Surface Grinder Machine | 500*800*250 | Ra0.6 | 0.003 |
Surface Roughness Grade Comparsion and Application
International Representation | RZ | Ra | Surface Shape Features | Examples of Processing Methods |
---|---|---|---|---|
N12 | 200 | 50 | Visible tool process marks | Sawing, rough turning, rough milling, rough planing, drilling and rough filing, rough grinding wheels, etc. |
N11 | 100 | 25 | Slight visible tool process marks | Sawing, rough turning, rough milling, rough planing, drilling and rough filing, rough grinding wheels, etc. |
N10 | 50 | 12.5 | Slight tool process marks | Sawing, rough turning, rough milling, rough planing, drilling and rough filing, rough grinding wheels, etc. |
N9 | 25 | 6.3 | Visible processing marks | Cold drawing, fine turning, fine reaming, rough reaming, rough grinding, scraping, rough broaching, etc. |
N8 | 12.5 | 3.2 | Micro processing marks | Cold drawing, fine turning, fine reaming, rough reaming, rough grinding, scraping, rough broaching, etc. |
N7 | 6.3 | 1.6 | No visible processing marks | Cold drawing, fine turning, fine reaming, rough reaming, rough grinding, scraping, rough broaching, etc. |
N6 | 6.3 | 0.8 | Recognizable the direction of machining marks | Grinding, rough turning of diamond turning tools, fine reaming, cold drawing, broaching, polishing, etc. |
N5 | 3.2 | 0.4 | Micro-discriminating the direction of machining traces | Grinding, rough turning of diamond turning tools, fine reaming, cold drawing, broaching, polishing, etc. |
N4 | 1.6 | 0.2 | Indiscernible the direction of machining marks | Grinding, rough turning of diamond turning tools, fine reaming, cold drawing, broaching, polishing, etc. |
N3 | 0.8 | 0.1 | Dark glossy surface | Fine grinding, grinding, polishing, super fine grinding, mirror grinding, etc. |
N2 | 0.4 | 0.05 | Glossy finish | Fine grinding, grinding, polishing, super fine grinding, mirror grinding, etc. |
N1 | 0.2 | 0.025 | Mirror-like glossy surface | Fine grinding, grinding, polishing, super fine grinding, mirror grinding, etc. |
0.1 | 0.012 | Matte glossy finish | Fine grinding, grinding, polishing, super fine grinding, mirror grinding, etc. | |
0.05 | Mirror surface | Fine grinding, grinding, polishing, super fine grinding, mirror grinding, etc. |
Top Reasons to Choose U-Need
Highly Skilled Technicians 15+ Years in Industry
Ensures Superior Craftsmanship
Advanced Machinery & ISO9001 Certified Factory
Guarantees Top-Tier Quality and Precision
Excelling in Understanding and Fulfilling Custom Requirements to Provide Tailored Solutions
Wide Range of Materials & Finishes
to Meet Diverse Needs of Any Project
Punctual Delivery & Robust Warranty
Can Safeguard Your Investment
High-Quality Solution with No MOQ
Offers Flexibility for Businesses of All Sizes
99.3% Satisfied Ratio: Upholding Quality with Rigorous Testing at Every Stage
Digimatic Calipers
Profile Projector
Height Gauge
Hardness Tester
Dial Caliper
Dial Indicator
2.5D Coordinate Measuring Machine
3D Coordinate Measuring Machine
Various Gauges
1. What types of materials can be processed with CNC grinding?
CNC grinding can handle a wide range of materials, including hard metals like steel and tungsten carbide, ceramics, composites, and softer materials like aluminum and plastics.
2. What is the maximum tolerance that U-Need CNC grinding can achieve?
Our CNC grinding services can achieve tolerances as tight as ±0.002mm, ensuring exceptional precision for your components.
3. How do you ensure the quality of CNC grinding services?
We follow a rigorous quality control process that includes incoming material inspections, in-process quality control, final inspection before shipment, and after-sales quality assurance with a 1-year warranty.
4. How long does it take to complete a CNC grinding project?
The typical processing cycle for CNC grinding is 7-15 days after placing the order, depending on the complexity and volume of the project.
5. Do you offer custom surface treatments for CNC ground parts?
Yes, we provide a variety of surface treatments to meet specific requirements. Our options include:
① Mechanical surface treatment: sandblasting, shot-blasting, grinding, rolling, polishing, brushing, mirror finish polishing, spraying, painting, and oiling.
② Chemical surface treatment: blue and black, phosphating, pickling, passivation, gold plating, zinc plating, nickel plating, Chrome plating, black oxide, plating, TD treatment.
③ Electrochemical surface treatment: Anodizing, Electroplating.
④ Modern surface treatment: chemical vapor deposition CVD, Physical vapor deposition PVD processes, ion nitriding, and laser surface treatment.
These treatments enhance the durability, appearance, and functionality of CNC ground parts, ensuring they meet the highest standards for your specific application.
6. What are the shipping options and delivery times for CNC ground parts?
We offer various shipping options including air express (UPS, DHL, FEDEX, OCS) and ocean freight. Delivery times range from 2-7 working days for Japan and 3-7 working days for Europe and the United States, depending on the express service chosen.