CNC Machining, short for Computer Numerical Control Machining, encompasses various types of
machines that employ computer-controlled tools to subtract material from a workpiece.
This computerized control distinguishes CNC machining as a method that surpasses conventional
machining in terms of speed, precision, and accuracy.
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CNC Milling Machines and Their Versatile Material Capabilities
CNC milling machines excel at cutting a wide range of materials, including aluminum, bronze, copper,
ceramics, plywood, various steel types, stone, wood, zinc, and numerous engineering materials.
This versatility makes them perfect for crafting prototypes during product development.
With CNC milling, you can easily fine-tune and make precise adjustments until you achieve
the desired final product, offering accuracy and efficiency throughout the manufacturing process.
CNC Milling 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. |
Application of CNC Milling Parts
CNC milling stands as a cornerstone in manufacturing, offering efficiency, precision, and the
elimination of manual labor. Machine shops play a critical role in providing essential services for
prototypes and full production runs.
The electronics industry heavily relies on CNC machines to manufacture components like electronic
enclosures and circuit supports. In the commercial sector, CNC cutting heads contribute to the
cost-effective production of various parts, aiding companies in reducing production costs and
saving time.
The oil and gas industry utilizes CNC machines extensively for the production of components such
as drill bits, cylinders, pins, rods, and valves. The medical industry benefits from CNC milling in
creating a wide range of components, from implants to medical devices.
The aerospace industry, with its constant need for precision, embraces CNC machined parts for
crafting complex and customized components integral to aerospace equipment.
Company Profile
FAQ's
1. How much do CNC machining materials cost?
CNC machining offers a plethora of material choices, leading to varying costs across different options.
The price range for materials is broad, influenced by factors such as physical properties and specific
characteristics of each material. For metal parts, Aluminum 6061 stands out as the most economical
choice.
If cost is a primary consideration, ABS emerges as the most budget-friendly option.
Additionally, the ease of machining significantly impacts costs, with materials like stainless steel
posing a higher machining difficulty compared to aluminum, thereby contributing to an increased
overall cost.
2. What are standard machining tolerances?
The standard machining tolerance is ± 0.005" or 0.13mm, representing the allowable range
for a dimension. For instance, if a CNC machining tool has a tolerance of ± 0.01 mm,
it implies a permissible deviation of 0.01 mm in each cut.
With a provided drawing, our CNC machining service can achieve part tolerances as low as
± 0.0002 in.
In the absence of a drawing, all CNC parts adhere to our ISO 2768 medium standard.
For projects demanding tighter tolerances, ±0.025mm or ±0.001", we can accommodate with
an engineering drawing specifying critical features.
3. What are you shipping terms?
Our standard shipping terms are Ex Works (EXW) for both rapid prototyping and regular production
orders. This implies that once the goods have left our premises, the customer assumes responsibility
for shipping, customs clearance, and all associated fees.
For express shipments, we employ Delivered Duty Unpaid (DDU), where the client is accountable for
paying import duty upon the arrival of the goods at the destination.