CNC Grinding
- Machined Metal and Plastic Prototypes & Production Parts in as Fast as 1-7 Days.
- ISO 9001 & IATF 16949
- 100% Factory Price
Table of Contents
Achieve Impeccable Surface Finish with Our CNC Grinding Services
Get the Superior Surface Quality You Need
At Modo Rapid, we understand that achieving a flawless surface finish is crucial for your high-precision components. Our advanced CNC grinding services are designed to meet your exacting standards, ensuring that every part you receive is smooth, polished, and ready for use.
Our CNC Grinding Capabilities
Surface Grinding
- Suitable Parts: Flat surfaces, small to medium-sized components.
- Description: Ideal for creating smooth finishes on flat surfaces. Used for precision grinding of metals, plastics, and ceramics, often found in automotive and tool manufacturing.
Cylindrical Grinding Machine
- Suitable Parts: Cylindrical parts such as shafts, rods, and rollers.
- Description: Used for grinding the external and internal surfaces of cylindrical parts. Commonly used in manufacturing automotive parts, machine tool spindles, and precision shafts.
Centerless Grinding Machine
- Suitable Parts: Long, slender parts like rods, tubes, and bars.
- Description: Grinds the outer surface of cylindrical parts without the need for centers. Ideal for high-volume production and materials that are difficult to hold.
Internal Grinding Machine
- Suitable Parts: Internal surfaces of cylindrical parts such as bearing rings, gear bores, and bushings.
- Description: Specializes in grinding the internal diameter of components, achieving precise tolerance and surface finish inside holes.
Tool and Cutter Grinding Machine
- Suitable Parts: Cutting tools such as drills, end mills, and reamers.
- Description: Used for sharpening and producing cutting tools. Capable of complex tool geometries and maintaining precise cutting edges.
Jig Grinding Machine
- Suitable Parts: Precision holes, complex shapes, and intricate details.
- Description: Provides high-precision grinding for creating intricate shapes and precise holes, often used in mold and die making.
Gear Grinding Machine
- Suitable Parts: Gear teeth and gear components.
- Description: Specifically designed for grinding gear profiles, ensuring high precision and surface finish in gear manufacturing.
Belt Grinding Machine
- Suitable Parts: Flat and curved surfaces, as well as large surface areas.
- Description: Uses a belt coated with abrasive material for grinding. Suitable for surface finishing, deburring, and stock removal.
Bench Grinding Machine
- Suitable Parts: Small parts and tools.
- Description: Mounted on a bench, it is commonly used for grinding hand tools, small parts, and for sharpening.
Surface and Profile Grinding Machine
- Suitable Parts: Complex profiles, intricate shapes, and precision parts.
- Description: Combines surface and profile grinding capabilities, allowing for detailed and precise surface finishing.
Work with A Certified Company
CNC Milling Design Advice and Capabilities
| Surface Grinding | Cylindrical Grinding | Centerless Grinding | |
|---|---|---|---|
| Max. Part Size | 800 x 400 x 400 mm (31.5 x 15.7 x 15.7 in) | Ø 600 x 2000 mm (Ø 23.6 x 78.7 in) | Ø 150 x 500 mm (Ø 5.9 x 19.7 in) |
| Min. Part Size | 10 x 10 x 10 mm (0.39 x 0.39 x 0.39 in) | Ø 5 x 10 mm (Ø 0.2 x 0.39 in) | Ø 1 x 10 mm (Ø 0.04 x 0.39 in) |
| Min. Feature Size | Ø 0.1 mm (Ø 0.004 in) | Ø 0.1 mm (Ø 0.004 in) | Ø 0.05 mm (Ø 0.002 in) |
| Standard Tolerance | Metals: ±0.005 mm (±0.0002 in) | Metals: ±0.005 mm (±0.0002 in) | Metals: ±0.002 mm (±0.00008 in) |
| Plastics: ±0.01 mm (±0.0004 in) | Plastics: ±0.01 mm (±0.0004 in) | Plastics: ±0.005 mm (±0.0002 in) | |
| Lead Time | As low as 5 days for fewer than 100 parts | As low as 7 days for fewer than 100 parts | As low as 6 days for fewer than 100 parts |
CNC Grinding Materials
| Material Type | Examples |
|---|---|
| Metals | Aluminum (6061, 7075, 2024, 5052) |
| Stainless Steel (304, 316, 17-4 PH) | |
| Steel (A36, 1018, 1045, 4140) | |
| Brass (C360) | |
| Copper (C110, C101) | |
| Titanium (Grade 2, Grade 5) | |
| Magnesium | |
| Nickel Alloys (Inconel, Monel) | |
| Tool Steel (D2, O1, A2) | |
| Plastics | ABS |
| Nylon (PA6, PA66) | |
| Polycarbonate (PC) | |
| Polyethylene (PE) | |
| Polypropylene (PP) | |
| PEEK | |
| PTFE (Teflon) | |
| PVC | |
| Delrin (POM) | |
| Acrylic (PMMA) | |
| Composites | Carbon Fiber |
| Fiberglass | |
| Specialty Materials | Ceramics (Alumina, Zirconia) |
| Graphite | |
| G10 | |
| Phenolic | |
| Other Materials | Wood (various types) |
| Foam |
Customize Your CNC Parts According to Drawings
At Modo Rapid, we specialize in delivering high-precision CNC grinding services tailored to your exact specifications. Our state-of-the-art CNC grinding machines enable us to produce intricate and finely detailed components with exceptional precision. To ensure the highest quality, we utilize ZEISS Coordinate Measuring Machines (CMM) for comprehensive inspection and verification.
As a leading factory in Shenzhen, we understand the critical importance of precision and quality in your projects. Partner with us for unparalleled accuracy, efficiency, and the expertise required to bring your prototypes to life.
| Post-Processing Techniques |
|---|
| Anodizing, Bead Blasting, Black Oxide, Brushing |
| Chromate Conversion Coating, Deburring, Electropolishing, Heat Treatment |
| Laser Engraving, Painting, Passivation, Plating (Nickel, Chrome, Zinc) |
| Polishing, Powder Coating, Sandblasting, Shot Peening |
| Tumbling, Ultrasonic Cleaning, Vibratory Finishing, Welding |
Quality Checks at Every Stage for Your Milled Parts
Initial Material Inspection:
Equipment: Optical Emission Spectrometer (OES) or X-ray Fluorescence (XRF) Analyzer. Purpose: Verify the composition and quality of raw materials before production begins.
In-Process Dimensional Inspection:
Equipment: Coordinate Measuring Machine (CMM) and Vernier Calipers. Purpose: Ensure parts meet dimensional specifications during various stages of machining.
Surface Finish Inspection:
Equipment: Surface Roughness Tester. Purpose: Check the surface texture and finish to meet the required standards.
Final Quality Inspection:
Equipment: 2 ZEISS Coordinate Measuring Machines (CMM) and Optical Comparator. Purpose: Conduct a comprehensive inspection of the finished part to verify all dimensions, tolerances, and overall quality.
2 ZEISS CMMs for your project 24/7
We are a 24-hour facility with technicians working 3 shifts. For many of our customer’s urgent projects, we use our 2 ZEISS CMM’s to inspect the parts and make sure your project goes smoothly.
Quality Inspections We Perform for Your Parts
Delivery Time
When selecting a supplier, it’s crucial to consider their production cycle and delivery capabilities, especially for urgent projects. Our commitment to timely delivery is unwavering, ensuring your project stays on track.
For prototypes, we offer the following delivery times:
- 1-30 pieces: Delivery within 7 days
- 31-100 pieces: Delivery within 15 days
- 100-500 pieces: Delivery within 18 days
We can reprioritize orders in case of project emergencies. Please let us know in advance.
Cost Control
We understand that cost efficiency is crucial when sourcing CNC prototypes. Our competitive pricing ensures that you get the best value without compromising on quality. Here’s how we keep costs low:
- Processing Fees: By utilizing advanced CNC machinery, we reduce production time and costs. For instance, our 5-axis milling can complete complex parts in fewer setups, saving both time and money.
- Material Costs: We have established relationships with top material suppliers, allowing us to procure high-quality materials at discounted rates. For example, our bulk purchasing of aluminum alloys translates to significant savings for our clients.
- Shipping Fees: Our strategic partnerships with leading logistics companies ensure efficient and cost-effective shipping. For instance, our expedited shipping options for urgent orders do not come with the high price tag you’d expect.
By choosing us, you’re guaranteed low-cost, high-quality CNC prototypes that meet your budget and performance requirements. For example, a recent project involving 50 custom parts was delivered within budget and ahead of schedule, demonstrating our commitment to cost efficiency and timely delivery.
Communication Efficiency
Effective communication is key. We are online 16 hours daily, providing swift, expert support globally, ensuring seamless project management.
Flexibility
We specialize in prototypes and small batches, accommodating even single orders with flexible production and payment options.
Confidentiality
We sign NDAs before discussing design details. Production occurs in temperature-controlled, sealed facilities.
Our employees and the company are also bound by confidentiality and non-compete agreements. The company and its employees are in a stable relationship to ensure that your designs are safe
Custom CNC Parts for Every Industry
Precision-engineered solutions tailored to meet the unique demands of automotive, aerospace, medical, and more industries, ensuring superior performance and reliability.
Frequently Ask Questions
We have over 30 CNC grinding machines, including Micron MPC-300C / MFN-350, Van Norman Centerless, Bryant Centerless, Koyo Centerless, Royal Master Centerless, Viking 200 Centerless, Gardiner G53 Double disk, Tschudin OD Centerless, Okamoto ID grinder, Cincinnati Milacron ID grinder, and Landis Thread grinder.
We offer a full range of CNC grinding processes, including cylindrical grinding, centerless grinding (thru-feed and in-feed), rotary transfer surface grinding, double disk grinding, ID grinding, and thread grinding.
Yes, we offer design and prototyping services and can finish your custom components with CNC ground precision.
Yes, our advanced CNC grinding equipment and optimized processes allow us to handle complex and detailed components with high precision.
We can achieve tolerances of +/- 0.0001”, though this can vary depending on material properties.
Our work envelope is 32” X 21” X 16”, covered by a variable electromagnetic chuck.
Yes, our CNC grinders have variable speed settings to maximize cutting efficiency for different wheel and material types.
CNC surface grinding is most effective for producing tight tolerances and mirror finishes on flat, square, and parallel surfaces. It is commonly used for die sharpening and can also achieve curved or angled geometry using form or fixture grinding.
