Custom Metal CNC Turning Part CNC Machining Components Stainless Steel Parts
CNC Machining Parts Service OEM Precision Small Metal Turn Parts Fabrication
Steel Turning Machining Stainless Steel Part
CNC turning is a machining process that involves securing a rotating workpiece in a chuck or
collet while cutting tools are used to remove material, shaping the workpiece as desired.
This process is controlled by a computer numerical control (CNC) system, enabling precise
operations like turning, facing, threading, and grooving by moving the cutting tools along
multiple axes.
Product Details
The turning process primarily involves the machining of various metals.
These metals encompass a wide range of materials, including alloy steel, carbon steel, cast iron,
stainless steel, aluminum, copper, magnesium, and zinc.
Nevertheless, it is essential to note that the turning process is not limited to metals alone;
it can also be applied to plastic components and a diverse array of materials such as ceramics,
composites, thermoplastics, and thermosetting materials.
| Common Materials |
| Name | Description |
| Aluminum | High machinability and ductility, good strength-to-weight ratio. |
| Stainless steel | High tensile strength, corrosion and temperature resistant. |
| Mild steel | High machinability and weldability, high stiffness. |
| Brass | Low friction, excellent electrical conductivity, golden appearance. |
| Copper | Excellent thermal and electrical conductivity. |
| Titanium | Excellent strength to weight ratio, used in aerospace, automotive and medical industries. |
| POM | High stiffness, high accuracy, low friction, easy to machine. |
| ABS | Common thermoplastic, impact resistant, easy to machine. |
| Nylon | Excellent mechanical properties, thermal, chemical and abrasion resistant. |
CNC Machining Tolerances
Typical machining tolerances fall within the range of ± 0.005 inches or 0.13 millimeters.
Tolerances represent the allowable variation for a specific dimension.
For instance, if a CNC machining tool has a tolerance of ± 0.01 millimeters, it means that the tool
can deviate by 0.01 millimeters in each cut.
When provided with a drawing, Our CNC machining service can achieve CNC parts with tolerances
as tight as ± 0.0002 inches.
In the absence of a drawing, all CNC parts are manufactured according to our ISO 2768 medium
standard. We can also work to even tighter tolerances, such as ± 0.025 millimeters or ± 0.001
inches, when an engineering drawing specifies critical features.
| CNC Turning Tolerances |
| Limits for nominal size | Plastics | Metals |
| 0.5mm* to 3mm | ±0.1mm | ±0.05mm |
| Over 3mm to 6mm | ±0.1mm | ±0.05mm |
| Over 6mm to 30mm | ±0.2mm | ±0.10mm |
| Over 30mm to 120mm | ±0.3mm | ±0.15mm |
| Over 120mm to 400mm | ±0.5mm | ±0.20mm |
| Over 400mm to 1000mm | ±0.8mm | ±0.30mm |
| Over 1000mm to 2000mm | ±1.2mm | ±0.50mm |
| Over 2000mm to 4000mm | ±2.0mm | |
| *Please clearly indicate tolerances for nominal sizes below 0.5mm on your technical drawing. |
Applications of CNC Turning
Parts and products produced through CNC machining find application in many industries, including,
but not limited to, the following:
1. Industrial 2. Transportation & Vehicle 3. Medical 4. Consumer
Company Profile
FAQ's
1. How long does a typical CNC turning process take?
The duration of a typical CNC turning process varies based on factors such as part complexity,
material type, tolerances, and machining operations. It can range from minutes to hours.
For projects with time constraints, lead times as short as 3 days.
2. Is CNC turning expensive?
The cost of CNC turning can vary widely based on factors such as the complexity of the part,
material chosen, machine setup, and production volume. Providing an accurate cost estimate without
detailed information is challenging.
3. CNC Turning Tolerances
Our standard tolerance for CNC turned parts is +/- 0.005 inches. However, in certain cases, we may
be able to achieve even tighter tolerances, depending on the specific geometry of your parts and the
tooling used.
If your project demands a tighter tolerance than our standard +/- 0.005 inches, please inform us
during the quoting stage.
Our team will thoroughly evaluate your requirements and provide guidance on available options.
4. What is the difference between rough turning and finish turning?
Rough turning and finish turning are two distinct phases in the CNC turning process:
1. Rough Turning: This phase focuses on material removal and shaping the workpiece, without
prioritizing accuracy or surface finish. It aims to get the workpiece close to the desired shape quickly.
2. Finish Turning: In this phase, the emphasis shifts to achieving precise dimensions and a smooth
surface finish. It "finishes" the workpiece to meet the desired accuracy and aesthetics.
These two stages work together to create CNC turned components with both the desired shape and
the necessary precision and surface quality.
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