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Metal Accessories CNC Machining Turning Parts
CNC turning is a manufacturing process that involves securing a
blank on a rotating chuck and
using stationary cutting tools to remove material.
This method is particularly suitable for creating parts with
symmetrical features along their
central axis.
Turned components are usually manufactured more efficiently and
cost-effectively compared to
milled parts.
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 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. |
Typical Applications of CNC Turning
CNC turning machines offer versatility in producing a wide array of
components, ranging in
complexity.
Here are examples of parts that can be crafted using CNC turning:
1. Shafts and Axles: CNC turning excels in fabricating elongated,
cylindrical parts found in diverse
sectors, including automotive and aerospace.
2. Bushings and Bearings: Precision-manufactured bushings and
bearings are indispensable in
mechanical systems, reducing friction and facilitating smooth
rotational motion.
3. Connectors and Fittings: CNC turning allows for the production
of connectors, fittings, and
couplings utilized in plumbing, hydraulic systems, and electrical
applications.
4. Fasteners: Screws, bolts, and nuts, crafted with CNC turning,
serve as essential components for
assembling various parts in multiple industries, ensuring secure
connections.
5. Valves and Valve Components: CNC turning permits the creation of
valve bodies, stems, seats,
and intricate components used in fluid control systems.
6. Tooling Components: This includes inserts, toolholders, and
bodies utilized in machining operations,
enhancing operational efficiency and precision.
7. Automotive Parts: CNC turning is employed in the production of
engine components, pulleys,
brackets, and specialized parts for the automotive industry.
Company Profile
FAQ's
1. Is CNC turning expensive?
The cost of CNC turning can vary depending on factors such as part
complexity, material selection,
machine setup, and volume of production, making it difficult to
provide a definitive answer without
specific details.
2. 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.
3. Advantages of CNC Turning
1. Economical for both short and long runs
2. High dimensional tolerances are possible
3. Smooth finishes can be achieved
4. Secondary Surface Finishing in CNC Turning
CNC turning often involves various secondary finishing processes to
ensure the desired surface
quality of metal parts after the machining is complete. These secondary
finishing services may
include:
1. Deburring: Removing sharp edges or burrs from the machined part.
2. Grinding and Polishing: Enhancing the surface finish of the
metal to achieve smoother textures
and improved appearance.
3. Anodizing and Plating: Enhancing the metal's strength, wear
resistance, and corrosion resistance.
4. Painting and Powder Coating: Adding color and providing
additional protection for metal parts.
These secondary finishing processes are essential to achieve the
desired aesthetics, functionality,
and performance of CNC turned components.
