High Precision CNC Milled Parts| Online Quote System
Online Quote System
At Othala, we specialize in delivering high-precision CNC milling services. Our company provides following capabilities for CNC milled parts online:
- 3-Axis High-Speed Milling: We provide high precision milling services and fast turnaround times.
- 5-Axis Simultaneous Milling: We facilitate high precision and efficiency on complex shapes.
- Extensive Travel Capabilities: Our machines can handle Dimensions of up to 24” x 35” x 18” (XYZ) with precision levels that are equal to ±0.0002”.
- High-Efficiency Turning: We use two spindle faces with live tools to minimize secondary operations.
- Consistent Accuracy: Our top-performance machines allow for shorter cycle times and exceptional accuracy.
CNC Milling Design Guidelines and Capabilities
Optimizing your CNC milling designs with our guidelines can improve manufacturability, enhance aesthetics, and reduce production costs and lead times. Consult our essential guidelines for CNC milling design.
Maximum Dimensions
Maximum Dimensions
Maximum depth that can be milled is 2 in. (50.8mm) from either side of part. For specific milling dimensions by material, see maximum part extents for machining.
| Material | US | Metric | |
|---|---|---|---|
| 3-axis** | ABS Acetal | 10 in. x 14 in. x 1.75 in. | 254mm x 356mm x 44.5mm |
| 3-axis** | ABS Acetal Nylon | 22 in. x 14 in. x 0.75 in. | 559mm x 356mm x 19.1mm |
| 3-axis** | Aluminum | 22 in. x 14 in. x 3.75 in. | 559mm x 356mm x 95.3mm |
| 5-axis | Hard metals* Brass | 10 in. x 7 in. x 1.75 in. | 254mm x 178mm x 44.5mm |
| 5-axis | Copper | 10 in. x 7 in. x 2.75 in. | 254mm x 178mm x 69.9mm |
| 5-axis | Aluminum Plastic | 10 in. x 7 in. x 3.75 in. | 254mm x 178mm 95.3mm |
Minimum Dimensions
Minimum Dimensions
Maximum depth that can be milled is 2 in. (50.8mm) from either side of part. For specific milling dimensions by material, see maximum part extents for machining.
| US | Metric | |
|---|---|---|
| Size | 0.25 in. x 0.25 in | 6.35mm x 6.35mm |
| Nominal Thickness | 0.040 in. | 1.02mm |
Threading
Threading
We currently support UNC and UNF threads from #2 up to 0.5 in., and metric threads from M2 to M12. Avoid modeling internal threads on your part design.
We also offer the following for milled parts:
- Coil inserts
- Key inserts
Tolerances
Tolerances
Typically, Protolabs can hold a machining tolerance of +/- 0.005 in. (0.13mm). Part features are recommended to be thicker than 0.020 in. (0.51mm) in all regions and a nominal part thickness above 0.040 in.
Radii
Radii
Sharp inside corners on a part will be radiused (rounded) as a natural result of the CNC machining process. Resulting radii will be identified on your quote.
Text
Text
- Plastic and soft metals: Minimum width of 0.018 in. (0.457mm), depth of 0.0118 in. (0.3mm). Example text size would be 16 point Arial Rounded MT font.
- Hard metals: Minimum width of 0.033 in. (0.838mm) and depth of 0.0118 in. (0.3mm). Example text size would be 22 point Arial Rounded MT font.
- If design permits it, opt for recessed text versus raised
Maximum Dimensions
Maximum depth that can be milled is 2 in. (50.8mm) from either side of part. For specific milling dimensions by material, see maximum part extents for machining.
| Material | US | Metric | |
|---|---|---|---|
| 3-axis** | ABS Acetal | 10 in. x 14 in. x 1.75 in. | 254mm x 356mm x 44.5mm |
| 3-axis** | ABS Acetal Nylon | 22 in. x 14 in. x 0.75 in. | 559mm x 356mm x 19.1mm |
| 3-axis** | Aluminum | 22 in. x 14 in. x 3.75 in. | 559mm x 356mm x 95.3mm |
| 5-axis | Hard metals* Brass | 10 in. x 7 in. x 1.75 in. | 254mm x 178mm x 44.5mm |
| 5-axis | Copper | 10 in. x 7 in. x 2.75 in. | 254mm x 178mm x 69.9mm |
| 5-axis | Aluminum Plastic | 10 in. x 7 in. x 3.75 in. | 254mm x 178mm 95.3mm |
Minimum Dimensions
Maximum depth that can be milled is 2 in. (50.8mm) from either side of part. For specific milling dimensions by material, see maximum part extents for machining.
| US | Metric | |
|---|---|---|
| Size | 0.25 in. x 0.25 in | 6.35mm x 6.35mm |
| Nominal Thickness | 0.040 in. | 1.02mm |
Threading
We currently support UNC and UNF threads from #2 up to 0.5 in., and metric threads from M2 to M12. Avoid modeling internal threads on your part design.
We also offer the following for milled parts:
- Coil inserts
- Key inserts
Tolerances
Typically, Othala can hold a machining tolerance of +/- 0.0002 in. (0.005mm). Part features are recommended to be thicker than 0.004 in. (0.1mm) .
Radii
Sharp inside corners on a part will be radiused (rounded) as a natural result of the CNC machining process. Resulting radii will be identified on your quote.
CNC Milling Materials
We stock more than 30 production-grade plastic and metal materials that are suitable for various part applications and industries.
Plastics
- ABS
- Acetal
- CPVC
- HDPE
- LDPE
- HDPE
- Nylon
- PEEK
- PEI
Plastics
- PMMA
- Polycarbonate
- Polypropylene
- POM (Delrin)
- PPSU
- HIPS
- PSU
- PTFE
- PVC
Metals
We also offer different surface finish options such as anodizing or chromate plating. All are available based on your needs.
Anodizing and Chromate Plating Specifications
| Anodize | Hard Anodize | Chromate |
|---|---|---|
| MIL-A-8625 Type II, Class 2 (Blk) MIL-A-8625 Type II, Class 1(Clr) | MIL-A-8625 Type III, Class 2 (Blk) | MIL-DTL-5541 Type II, Class 3 (Clr) |
Quick-turn Finishing
Here are the requirements to get parts in as fast as 4 days (1-day expedite + 3 days for plating):
- Aluminum 6061/6082 and 7075 material eligibility
- Threaded holes plugged
- No masking available
High-requirement Finishing
With our AS9100 and ITAR certifications, we can meet the highest industry standards for precision machining. For more complex anodizing and plating requirements, our team can handle these in-house. Whether it’s specialized color options or unique materials like titanium or nickel, we have the capabilities to deliver exactly what you need, all managed internally to ensure the highest quality and control.
Surface Finish on Milled Parts
All machined parts are deburred unless otherwise specified. Machined plastic parts retain their as-machined finish, which may include visible tool marks. For metal parts, various finishing options are available. Sharp edges on unfinished parts should be handled with caution.
Material: ABS Black
Finish: Broken edge
Material: ABS Natural
Finish: Broken edge
Material: Aluminum
Finish: Broken edge
Material: Aluminum
Finish: Bead Blast
Material: Aluminum
Finish: Sharp edge
Tour our Digital Machine Shop
Take a quick tour through our CNC machining facility to see how we manufacture parts in as fast as 24 hours.
What is CNC Milling and How Does it Work?
CNC milling, a subtractive manufacturing process, removes material from a secured workpiece of metal or plastic using programmed toolpaths (G-code). Our 3- and 5-axis CNC mills, equipped with diverse tooling, optimize efficiency and throughput. Plastic parts receive an as-milled finish, potentially exhibiting tool marks, while metal parts offer optional finishing processes such as anodizing and chromate plating. Completed parts, with specified surface finishes applied, are then packaged and shipped.
Resources
Check out these machining and sheet metal finishingoptions to protect parts and improve function.
Consider hole depths, threading, wall thickness, andmore to reduce production time and expense.
Learn a number of ways to modify your CNC machining design to not only improve functionality, but reduce manufacturing costs.
View a CNC machining sample quote to explore ProtoQuote's design for manufacturability feedbackand real-time pricing capabilities.