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CNC Machined Parts

What is CNC Machining?

CNC Machining (Computer Numerical Control Machining) is a technology that enables automatic control of machine tools via computer programs for precision processing of materials such as metals and plastics. It replaces traditional manual operations with digital instructions to accurately control tool paths and machining parameters, allowing for efficient production of workpieces with complex shapes and high-precision requirements. As such, it serves as the core driver for the transformation of modern manufacturing from "manual-driven" to "intelligent-driven".

As an enterprise specialized in precision manufacturing, AAA MOULD deeply applies CNC machining technology throughout the entire process of mold R&D, customization, and production — from high-precision milling of mold cavities to efficient processing of complex structural parts. The CNC system acts as the core driving force, which not only ensures the dimensional accuracy and quality stability of mold products but also provides customers with more flexible customized solutions.

Materials for CNC Machining

Metal Materials
Non-Metallic Materials
Composite Materials
Ferrous Metals
Non-Ferrous Metals
Ferrous Metals2
Non-Ferrous Metals2
Ferrous Metals3
Non-Ferrous Metals3

CNC Machined Parts

Automotive Engine Crankshaft
Multi-Functional Kitchen Storage Rack
New Energy Lithium Battery Shell
Industrial Sensor Housing
Hydraulic Valve Block
Automotive Engine Crankshaft

Appearance and Structure It has an overall slender shaft shape with a smooth and flat surface. Precision crank structures are arranged at key positions, and the crank radius error is controlled within a reasonable range. The journal surface undergoes fine grinding treatment, featuring uniform glossiness without obvious scratches or burrs. Connecting flanges are equipped at both ends, with accurately positioned bolt holes on the flanges; the hole diameter tolerance meets assembly requirements to ensure stable installation.

Performance Characteristics It is processed using high-quality 45# steel. After professional quenching and tempering treatment, it possesses excellent fatigue resistance and wear resistance. It can stably transmit power under normal operating speeds, effectively preventing the engine's overall operating efficiency from being affected by structural deformation, and is suitable for various power output needs.

Application Scenarios It provides core component support for automobile manufacturers and agricultural vehicle factories. It can be integrated into the engine assembly system of light trucks, passenger cars, agricultural machinery, and other vehicle types, meeting the precision and stability requirements for power transmission components in different vehicle models.

Automotive Engine Crankshaft

Appearance and Structure It has an overall slender shaft shape with a smooth and flat surface. Precision crank structures are arranged at key positions, and the crank radius error is controlled within a reasonable range. The journal surface undergoes fine grinding treatment, featuring uniform glossiness without obvious scratches or burrs. Connecting flanges are equipped at both ends, with accurately positioned bolt holes on the flanges; the hole diameter tolerance meets assembly requirements to ensure stable installation.

Performance Characteristics It is processed using high-quality 45# steel. After professional quenching and tempering treatment, it possesses excellent fatigue resistance and wear resistance. It can stably transmit power under normal operating speeds, effectively preventing the engine's overall operating efficiency from being affected by structural deformation, and is suitable for various power output needs.

Application Scenarios It provides core component support for automobile manufacturers and agricultural vehicle factories. It can be integrated into the engine assembly system of light trucks, passenger cars, agricultural machinery, and other vehicle types, meeting the precision and stability requirements for power transmission components in different vehicle models.

Automotive Engine Crankshaft

Appearance and Structure It has an overall slender shaft shape with a smooth and flat surface. Precision crank structures are arranged at key positions, and the crank radius error is controlled within a reasonable range. The journal surface undergoes fine grinding treatment, featuring uniform glossiness without obvious scratches or burrs. Connecting flanges are equipped at both ends, with accurately positioned bolt holes on the flanges; the hole diameter tolerance meets assembly requirements to ensure stable installation.

Performance Characteristics It is processed using high-quality 45# steel. After professional quenching and tempering treatment, it possesses excellent fatigue resistance and wear resistance. It can stably transmit power under normal operating speeds, effectively preventing the engine's overall operating efficiency from being affected by structural deformation, and is suitable for various power output needs.

Application Scenarios It provides core component support for automobile manufacturers and agricultural vehicle factories. It can be integrated into the engine assembly system of light trucks, passenger cars, agricultural machinery, and other vehicle types, meeting the precision and stability requirements for power transmission components in different vehicle models.

Automotive Engine Crankshaft

Appearance and Structure It has an overall slender shaft shape with a smooth and flat surface. Precision crank structures are arranged at key positions, and the crank radius error is controlled within a reasonable range. The journal surface undergoes fine grinding treatment, featuring uniform glossiness without obvious scratches or burrs. Connecting flanges are equipped at both ends, with accurately positioned bolt holes on the flanges; the hole diameter tolerance meets assembly requirements to ensure stable installation.

Performance Characteristics It is processed using high-quality 45# steel. After professional quenching and tempering treatment, it possesses excellent fatigue resistance and wear resistance. It can stably transmit power under normal operating speeds, effectively preventing the engine's overall operating efficiency from being affected by structural deformation, and is suitable for various power output needs.

Application Scenarios It provides core component support for automobile manufacturers and agricultural vehicle factories. It can be integrated into the engine assembly system of light trucks, passenger cars, agricultural machinery, and other vehicle types, meeting the precision and stability requirements for power transmission components in different vehicle models.

Surface Treatment Processes After CNC Machining

There is a wide variety of surface treatment processes available after CNC machining. The common ones are as follows

Core Advantages of AAA MOULDD's CNC Machining

As a manufacturer specializing in mold production for over 10 years, AAA MOULDD centers on digital and high-precision CNC machining technology. We offer customers solutions covering mold design to production, which can meet the needs of industries like automotive, electronics, and daily necessities.
Precision Control for Stable Quality

Relying on 5-axis CNC machining centers and RTCP (Rotational Tool Center Point) technology, we can control the error of key mold dimensions within the micron level, making it suitable for processing complex curved surfaces, special-shaped structures, and high-precision cavities. The entire machining process is driven by digital programs, reducing errors caused by manual operations and ensuring consistent dimensions of each mold—whether it is a large mold weighing less than 20 tons and measuring under 1.8 meters, or a micro precision injection-molded part, all can meet the design standards.

Efficient Production Process to Shorten Delivery Cycle

Relying on 5-axis CNC machining centers and RTCP (Rotational Tool Center Point) technology, we can control the error of key mold dimensions within the micron level, making it suitable for processing complex curved surfaces, special-shaped structures, and high-precision cavities. The entire machining process is driven by digital programs, reducing errors caused by manual operations and ensuring consistent dimensions of each mold—whether it is a large mold weighing less than 20 tons and measuring under 1.8 meters, or a micro precision injection-molded part, all can meet the design standards.

Adaptability to Complex Structures for Enhanced Design Flexibility

Relying on 5-axis CNC machining centers and RTCP (Rotational Tool Center Point) technology, we can control the error of key mold dimensions within the micron level, making it suitable for processing complex curved surfaces, special-shaped structures, and high-precision cavities. The entire machining process is driven by digital programs, reducing errors caused by manual operations and ensuring consistent dimensions of each mold—whether it is a large mold weighing less than 20 tons and measuring under 1.8 meters, or a micro precision injection-molded part, all can meet the design standards.

Balancing Cost and Environmental Protection to Optimize Production Benefits

Relying on 5-axis CNC machining centers and RTCP (Rotational Tool Center Point) technology, we can control the error of key mold dimensions within the micron level, making it suitable for processing complex curved surfaces, special-shaped structures, and high-precision cavities. The entire machining process is driven by digital programs, reducing errors caused by manual operations and ensuring consistent dimensions of each mold—whether it is a large mold weighing less than 20 tons and measuring under 1.8 meters, or a micro precision injection-molded part, all can meet the design standards.

Aligning with International Standards to Provide Practical Services

Relying on 5-axis CNC machining centers and RTCP (Rotational Tool Center Point) technology, we can control the error of key mold dimensions within the micron level, making it suitable for processing complex curved surfaces, special-shaped structures, and high-precision cavities. The entire machining process is driven by digital programs, reducing errors caused by manual operations and ensuring consistent dimensions of each mold—whether it is a large mold weighing less than 20 tons and measuring under 1.8 meters, or a micro precision injection-molded part, all can meet the design standards.

Reasons to Choose AAA MOULD

Die Casting Customization: Our 6 Major Service Commitments
High-Precision Guarantee

Equipment Advantages: We have introduced equipment from well-known brands in Germany, Japan, Taiwan (China), etc., with an equipment precision calibration cycle of ≤ 3 months.​

Technical Team: Our team consists of programming engineers and operators with over 10 years of experience, proficient in multi-axis linkage programming and complex process planning.​

Full-Scenario Adaptability​

Equipment Advantages: We have introduced equipment from well-known brands in Germany, Japan, Taiwan (China), etc., with an equipment precision calibration cycle of ≤ 3 months.​

Technical Team: Our team consists of programming engineers and operators with over 10 years of experience, proficient in multi-axis linkage programming and complex process planning.​

Efficient and Quick Response​

Equipment Advantages: We have introduced equipment from well-known brands in Germany, Japan, Taiwan (China), etc., with an equipment precision calibration cycle of ≤ 3 months.​

Technical Team: Our team consists of programming engineers and operators with over 10 years of experience, proficient in multi-axis linkage programming and complex process planning.​

Cost Optimization Solutions​

Equipment Advantages: We have introduced equipment from well-known brands in Germany, Japan, Taiwan (China), etc., with an equipment precision calibration cycle of ≤ 3 months.​

Technical Team: Our team consists of programming engineers and operators with over 10 years of experience, proficient in multi-axis linkage programming and complex process planning.​

Applications of CNC in Major Industries

With the advantages of high precision, high efficiency, and high consistency, CNC (Computer Numerical Control) technology has become a core pillar of modern manufacturing. Below are the detailed application specifics across key and extended industries.

CNC Machining FAQ

What materials can your CNC machining process for parts?
We can process metals (aluminum alloys, stainless steel, carbon steel, copper alloys, etc.), engineering plastics (ABS, PC, POM, etc.), and some composite materials. Our services meet the part requirements of industries such as home appliances, automotive, electronics, and automation. For special materials, feasibility can be confirmed through advance communication.
How long does the entire CNC machining process take from design drawing to finished product?
We can process metals (aluminum alloys, stainless steel, carbon steel, copper alloys, etc.), engineering plastics (ABS, PC, POM, etc.), and some composite materials. Our services meet the part requirements of industries such as home appliances, automotive, electronics, and automation. For special materials, feasibility can be confirmed through advance communication.
Can you perform CNC machining if I only have a part sample but no complete design drawing?
We can process metals (aluminum alloys, stainless steel, carbon steel, copper alloys, etc.), engineering plastics (ABS, PC, POM, etc.), and some composite materials. Our services meet the part requirements of industries such as home appliances, automotive, electronics, and automation. For special materials, feasibility can be confirmed through advance communication.
What is the accuracy of your CNC machining? Can it meet my part requirements?
We can process metals (aluminum alloys, stainless steel, carbon steel, copper alloys, etc.), engineering plastics (ABS, PC, POM, etc.), and some composite materials. Our services meet the part requirements of industries such as home appliances, automotive, electronics, and automation. For special materials, feasibility can be confirmed through advance communication.
Can I confirm the sample before mass machining? Is there an additional charge?
We can process metals (aluminum alloys, stainless steel, carbon steel, copper alloys, etc.), engineering plastics (ABS, PC, POM, etc.), and some composite materials. Our services meet the part requirements of industries such as home appliances, automotive, electronics, and automation. For special materials, feasibility can be confirmed through advance communication.
Will a quality inspection report be provided after part machining is completed?
We can process metals (aluminum alloys, stainless steel, carbon steel, copper alloys, etc.), engineering plastics (ABS, PC, POM, etc.), and some composite materials. Our services meet the part requirements of industries such as home appliances, automotive, electronics, and automation. For special materials, feasibility can be confirmed through advance communication.
Do you accept small orders (e.g., only 20 pieces)?
We can process metals (aluminum alloys, stainless steel, carbon steel, copper alloys, etc.), engineering plastics (ABS, PC, POM, etc.), and some composite materials. Our services meet the part requirements of industries such as home appliances, automotive, electronics, and automation. For special materials, feasibility can be confirmed through advance communication.
What if the machined parts do not meet the requirements?
We can process metals (aluminum alloys, stainless steel, carbon steel, copper alloys, etc.), engineering plastics (ABS, PC, POM, etc.), and some composite materials. Our services meet the part requirements of industries such as home appliances, automotive, electronics, and automation. For special materials, feasibility can be confirmed through advance communication.
How is the quotation for CNC machining calculated? What information do I need to provide
We can process metals (aluminum alloys, stainless steel, carbon steel, copper alloys, etc.), engineering plastics (ABS, PC, POM, etc.), and some composite materials. Our services meet the part requirements of industries such as home appliances, automotive, electronics, and automation. For special materials, feasibility can be confirmed through advance communication.
Can you provide part surface treatment services, such as electroplating, painting, or anodizing?
We can process metals (aluminum alloys, stainless steel, carbon steel, copper alloys, etc.), engineering plastics (ABS, PC, POM, etc.), and some composite materials. Our services meet the part requirements of industries such as home appliances, automotive, electronics, and automation. For special materials, feasibility can be confirmed through advance communication.

If you have any interest in our products, please feel free to contact us

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