CNC Lathe Milling Parts Stainless Steel Order Custom CNC Parts CNC Machining Service Parts

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CNC Lathe Milling Parts Stainless Steel Order Custom CNC Parts CNC Machining

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In the realm of metal fabrication, milling stands out as the predominant method for material

removal. CNC milling machines, prized for their remarkable precision and accuracy, are frequently

employed in the cutting of various metals.


The outcome of milling varies based on factors like the type of material, its strength,

and hardness. Consequently, milling can yield diverse results and surface finishes. Certain metal

alloys, such as titanium, exhibit exceptional durability, enabling them to withstand even the

harshest environments.


Among the array of metal alloys suitable for milling are aluminum, copper, brass, zinc, bronze,

stainless steel, and standard steel. The process of metal milling encompasses shaping, cutting,

drilling, and tapping.


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Materials for CNC machining are typically classified into three major categories: plastics,

soft metals, and hard metals. Examples encompass aluminum, bronze, copper, ceramics,

plywood, steel, stone, wood, zinc, and various others.


Materials characterized by ease of manipulation and favorable properties are commonly

preferred over alternative options.


Common Materials for CNC Machining
MaterialProperties
Aluminum2024: Good fatigue resistance and strength; excellent toughness at moderate to high strength levels; improved fracture toughness
6061: Excellent machinability, low cost, and versatility
7075: High strength, hardness, low weight, and heat tolerance
Stainless SteelExcellent machinability and outstanding uniformity; good workability and weldability, high ductility and formability
Steel AlloyMix of chromium, molybdenum, and manganese yields toughness, good torsional and fatigue strength
BrassVersatile and highly attractive copper/zinc alloy with warm yellow color accommodates severe forming/drawing
TitaniumExcellent strength to weight ratio, used in aerospace, automotive, and medical industries
CopperHigh ductility and high electrical and thermal conductivity; develops attractive blue-green surface patina over time
ABSExcellent impact resistance, good mechanical properties, susceptible to solvents
PEEKHigh-performance thermoplastic, very high strength, thermal and chemical resistant
POMHigh stiffness, excellent thermal & electrical properties, relatively brittle


CNC Machining Tolerances


Tolerances are not standardized across all processes and materials.

The final tolerances on your part depend on various factors, such as part size, design complexity,

the number and size of features, materials used, surface finish, and the manufacturing process

employed.


Once your order is confirmed, we conduct a Design for Manufacturing review to identify areas that

may need modification for better manufacturability.


It's helpful if you can specify which areas in your design have critical tolerances that must be met

and which can be adjusted, if necessary, to optimize production time and cost.


CNC Milling Tolerances
Limits for nominal sizePlasticsMetals
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.


Common Applications of CNC Milling Parts


The following industries gain the most from CNC machining:


1. Medical 2. Electronics 3. Publishing
4. Transportation 5. Woodwork 6. Construction
7. Agriculture 8. Aerospace 9. Manufacturing
10. Automotive 11. Firearms 12. Metalwork

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How Can I Lower the Cost of My Machined Components?


Costs associated with CNC machining can be categorized into machining time, start-up expenses,

material expenditures, and feature-related costs. To effectively reduce overall costs, it is essential

to comprehend the influence of these factors on the final expense.


1. One of the most effective means to minimize machining time is through the strategic design of

features that can be machined swiftly. This entails making choices such as opting for appropriate

radii for internal corners, reducing cavity depth, increasing wall thicknesses, limiting thread lengths,

and designing holes with standard dimensions.


2. To curb material costs, thoughtful consideration should be given to the size of the initial blank

required and the cost-effectiveness and machinability of the base material. Softer alloys, for instance,

tend to be faster to machine.


3. Start-up costs can be mitigated by minimizing the number of part rotations or repositioning steps

needed to complete the component. This can be achieved by dividing complex geometries into

multiple parts that can be subsequently assembled.


4. In terms of feature costs, it is prudent to employ tolerances only when absolutely necessary,

eliminate all text and lettering, and steer clear of multiple surface finishes whenever possible.


These measures collectively contribute to cost reduction in CNC machining projects.


China CNC Lathe Milling Parts Stainless Steel Order Custom CNC Parts CNC Machining Service Parts supplier

CNC Lathe Milling Parts Stainless Steel Order Custom CNC Parts CNC Machining Service Parts

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