Why Choose Dazao?
Compared with other CNC machining companies, here are the top four reasons
why you should use our custom CNC machining services.
Fully Equipped CNC Machine Shops
With in-house advanced manufacturing and inspection equipment, which includes HAAS CNC mills and lathes, Mitutoyo CMMs, and Mitutoyo XRF analyzers. We can guarantee your CNC parts are made in the correct material and dimension.
Quality Assurance
We ensure every CNC part meets specifications through full inspection, including First Article Inspection (FAI), CMM checks, Material Test Reports (MTR), surface finish, and dimensional tolerance verification, delivering defect-free parts before shipping.
Instant Quotes and Expert Engineer Feedback
We provide quotes within 24 hours of receiving your 3D CAD files. Our expert engineers analyze part geometry to identify challenging features, such as tall, thin walls or unthreadable holes, and provide actionable feedback based on their extensive CNC machining experience.
Fast Lead Time
With local workshops and a network of CNC machine shops,
we offer fastCNC machining capabilities and quick turnarounds, including lead time as fast as 1day.
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![Precision CNC Machining Aluminum Shift Knobs Billet Gears]()
Precision CNC Machining Aluminum Shift Knobs Billet GearsServices: We provide precision turn-mill machining for solid, single-piece performance shifter hardware.Capacity: Our multi-axis CNC machinery scales from rapid prototyping to high-volume commercial -
![CNC Machining Aluminum Audio Amplifier Chassis]()
CNC Machining Aluminum Audio Amplifier ChassisServices: We provide multi-axis CNC milling, turning, and thread-cutting for custom acoustic housings and heavy-duty metal structures.Capacity: We machine solid aluminum billets up to 800 mm x 600 mm -
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CNC Machining Service |
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Available Services |
CNC Turning, CNC Milling, Laser Cutting, Bending, Spinning, Wire Cutting, Stamping, Electric Discharge Machining (EDM), Injection Molding |
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Available Materials |
Aluminum: 2000 series, 6000 series, 7075, 5052, etc. |
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Stainless Steel: SUS303, SUS304, SS316, SS316L, 17-4PH, etc. |
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Steel: 1214L/1215/1045/4140/SCM440/40CrMo, etc. |
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Brass: 260, C360, H59, H60, H62, H63, H65, H68, H70, Bronze, Copper |
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Titanium: GradeF1-F5 |
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Plastic: Acetal/POM/PA/Nylon/PC/PMMA/PVC/PU/Acrylic/ABS/PTFE/PEEK etc. |
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Surface Treatment |
Anodize, Bead Blasting, Silk Screen, PVD Plating, Zinc/Nickel/Chrome/Titanium Plating, Galvanizing, Brushing, Painting, Powder Coating, Passivation, Electrophoresis, Electro Polishing, Knurl, Laser/Etch/Engrave etc. |
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Tolerance |
+/-0.001~+/-0.005mm |
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Surface Roughness |
Min Ra0.1~3.2 |
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Drawing Formats |
Stp, Step, Igs, Xt, AutoCAD (DXF, DWG), PDF, or Samples |
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Lead Time |
1-2 weeks for samples, 3-4 weeks for mass production |
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Quality Assurance |
ISO9001:2015, ISO16949:2009, SGS, RoHs, TUV |
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Payment Terms |
Trade Assurance, TT/ PayPal/ WestUnion |
What We Good at CNC Machining Processes
CNC Milling
CNC milling is a subtractive manufacturing method that uses a cutting tool to moves and rotate to remove material. CNC mills can be used for cutting and machining operations of various plastic and metal materials. It is suitable for any industry that requires precision components and is also an ideal tool for making molds.
CNC Turning
CNC turning removes material by contacting a cutter with the high-speed rotating workpiece and is usually used to create round or tubular shapes. The CNC turning process allows the generation of complex external geometries and internal holes, including the machining of various threads.
5-Axis CNC Machining
5-axis CNC machining allows complex parts with multiple side features to process up to five sides in a single setup. This can pay big dividends in better machine utilization, reduce setups and cycle times, and improve quality. The ability of 5-axis machining will make our CNC factory more cost-effective for a wider range of work.
Precision CNC Machining
Need to achieve a tight tolerance of ±0.0005″ or better? With proven expertise, advanced CNC technology and inspection equipment, we have the experience to provide perfect accuracy and repeatability, even for the most complex parts. We are committed to providing precision CNC machining services to meet or exceed customer expectations.
CNC orientation and form general tolerances
Unless we have agreed to other tolerances in your Quote, we will work to achieve and hold the tolerances noted below, which will vary per the primary manufacturing method you select. (eg.:Round hole 10mm, tolerance +0.01—0.03mm)
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Part Length |
Orientation and Form Tolerance |
Angularity Tolerance |
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0 to 12"(300 mm) |
+/- 0.005" (0.125 mm) |
Angularity +/- ½ degree |
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12" to 24"(600 mm) |
+/- 0.010" (0.250 mm) |
Angularity +/- ½ degree |
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24" - 36"(900 mm) |
+/- 1/64" (0.016")(0.400 mm) |
Angularity +/- 1 degree |
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36" - 60"(1500 mm) |
+/- 1/32" (0.031") |
Angularity +/- 1 degree |
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Over 60" |
+/- 1/16" (0.063") |
Angularity +/- 1 degree |
CNC Machining Materials
Aluminum
Popular for its durability, corrosion resistance, and lightweight nature.
Highly machinable, can produce quality surface finishes with tight tolerances.
Common alloys:
·6061-T6
·7075-T6
·2024-T3
Copper
Great corrosion resistance and thermal/electrical conductivity.
Versatile and attractive material.
Common grades:
·C10100
·C11000
high quality
Preferred material for its outstanding machinability, resistance to corrosion, and electrical conductivity. Striking golden color, but susceptible to tarnishing. Common grades:
·C36000
·C46400
Stainless Steel
High strength, anti-corrosion, and aesthetically pleasing.
Can also be annealed and heat-treated if needed.
Common grades:
·304
·316
·17-4 PH
- The logo, model name and details of the model, such as number of pieces and size, can be printed on the wooden box or carton.
- Possibility to print a sketch of the product on the outside of the packaging;
- Internal protective packaging, foam material, moisture-proof plastic, etc.;
- We can produce packaging to your bespoke design.
CNC Machining Technology Comparison
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Machining Type |
Process Description |
Machining Precision |
Applicable Materials |
Machining Speed |
Surface Quality |
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CNC Milling |
Uses rotating cutters to machine parts, suitable for machining multiple surfaces and complex geometries like flat surfaces, slots, and holes. |
High precision (up to 0.001mm) |
Metals (aluminum, steel, titanium, etc.), plastics, composites |
Fast (depending on part size and complexity) |
Smooth surface, can be polished |
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CNC Turning |
Uses rotating workpieces and fixed tools for cutting, mainly for turning symmetrical parts like shafts and cylinders. |
High precision (up to 0.005mm) |
Metals, plastics, wood |
Relatively fast |
Smooth surface, suitable for simple cylindrical parts |
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CNC Drilling |
Uses rotating drill bits to create holes in workpieces, commonly used in mechanical and electronic components. |
High precision (up to 0.001mm) |
Metals, plastics, wood |
Fast |
High-quality surface, precise hole diameter |
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CNC Laser Cutting |
Uses laser beams to cut materials, ideal for precise cutting of thin materials, particularly for intricate designs. |
Moderate precision (0.1mm) |
Metals (stainless steel, aluminum), plastics, wood |
Very fast |
Clean cut edges |
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CNC EDM (Electrical Discharge Machining) |
Uses electrical discharges to remove metal, ideal for intricate internal cavities and complex shapes, especially for hard materials. |
High precision (up to 0.001mm) |
Metals (particularly hard metals) |
Slow |
Good surface quality, may require post-processing |
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CNC Multi-Axis Machining |
Utilizes multi-axis CNC machines to perform cutting from multiple directions simultaneously, suitable for complex, multi-faceted parts. |
Ultra-high precision (up to 0.001mm) |
Metals, plastics, composites |
Moderate speed |
Smooth surface, complex part machining |
FAQ
We're professional cnc machining service suppliers in China, specialized in providing high quality customized service. We warmly welcome you to contcat us for custom made cnc machining service.
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