Stainless steel milling
ATA’s Stainless steel milling process delivers ultra-precise, smooth and structurally stable stainless steel components, which perfectly retain the material’s corrosion resistance and mechanical strength, suitable for stainless steel precision machined parts manufacturing in various high-demand industrial fields.
Our Stainless steel milling technology is widely applied in precision machinery, automotive parts and industrial equipment production, fully complying with international standards such as ISO 9001, ASME Y14.5 and DIN 267, ensuring strict control of component precision, surface finish and batch consistency.
Service
ATA Stainless steel milling Service
Stainless steel milling is a high-precision machining process that uses computer numerical control (CNC) milling machines to remove material from stainless steel workpieces, achieving accurate shaping, slotting, drilling and surface finishing of complex and simple components.
The process is completed by programming CNC systems to set milling parameters, clamping workpieces firmly, and using multi-axis milling tools to perform automatic cutting operations, ensuring consistent precision and processing efficiency.
ATA provides one-stop Stainless steel milling services, covering material selection, CNC programming, precision milling, post-machining finishing and quality inspection, to meet customized precision machining needs of different industries.
Capability&Advantages
ATA Stainless steel milling Capability
Stainless steel milling is suitable for a variety of high-precision user scenarios, including the production of stainless steel pipe fittings, stainless steel electrical box components, automotive engine parts and medical instrument accessories, adapting to the strict requirements of automotive, electrical, medical and aerospace industries.
ATA has strong capabilities in Stainless steel milling, with a team of certified professional CNC technicians and advanced CNC milling machines (vertical, horizontal, multi-axis), which can handle stainless steel workpieces of different sizes and types, adopting high-precision tooling and programming technology to ensure dimensional tolerance up to ±0.005mm, smooth surface finish and efficient batch production, fully meeting high-precision manufacturing needs.
ATA Stainless steel milling standard
To comply with the ATA stainless steel milling standard, strict control of workpiece dimensions, milling parameters, tool performance and cutting conditions is essential, which is achieved by adopting high-precision CNC milling equipment, selecting suitable milling tools and cutting fluid, optimizing spindle speed and feed rate, and conducting strict pre-milling inspection and post-milling finishing.
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Standards
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Description
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Workpiece thickness range
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Cold-rolled stainless steel: 0.4-30mm; Hot-rolled stainless steel: 1.2-50mm; Thickness deviation ≤±0.1mm, uniform thickness to ensure milling stability
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Workpiece size range
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Minimum milling size: 5×5×5mm; Maximum milling size: 1200×800×400mm; Dimensional tolerance ±0.02mm, no size fluctuation
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Spindle speed requirement
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Spindle speed: 500-12000r/min; Adjust based on Milling cutter diameter and workpiece thickness: 500-3000r/min for large-diameter Milling cutter, 8000-12000r/min for fine milling
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Feed rate requirement
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Feed rate: 0.05-1.2mm/r; Adjust based on spindle speed,Milling cutter type and milling precision; Feed stability ≤±0.01mm/r, no fluctuation
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Milling precision
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Positioning precision ±0.01mm; Repeat positioning precision ±0.005mm; Flatness ≤0.008mm/m, no positional deviation
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Milling surface quality
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No scratches, tool marks or indentations; Surface roughness Ra ≤1.6μm; No oxidation or discoloration, surface gloss consistent
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Applicable stainless steel grades
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Suitable for 304, 316L, 321, 201, 430, 410, 310S; Workpiece surface free of rust, oil stains, oxide scale or impurities before milling
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Milling tool requirement
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Tool material: carbide or CBN; Tool type: end mill, face mill, ball end mill; Tool hardness ≥HRC70; Cutting edge sharp, no wear or damage
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Milling depth per pass
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Single milling depth: 0.1-2.5mm; Total milling depth matches workpiece thickness; Depth tolerance ±0.01mm, no over-milling
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Milling width
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Single milling width: 1-20mm; Adjust based on Milling cutter width and workpiece size; Width tolerance ±0.015mm, uniform width
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Cutting fluid requirement
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Cutting fluid: stainless steel special emulsion or cutting oil; Fluid temperature: 15-30℃; Uniform spraying, no shortage to avoid tool wear and workpiece oxidation
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Milling tool diameter
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Milling tool diameter: 1-25mm; Diameter tolerance ±0.005mm; Tool runout ≤0.003mm, no deformation
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Milling direction
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Climb milling or conventional milling optional; Direction stable, no deviation; Avoid vibration or tool chipping during milling
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Step milling precision
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Step height tolerance ±0.015mm; Step perpendicularity ≤0.01mm/m; Step surface flat, no inclination or unevenness
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Groove milling requirement (if used)
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Groove width tolerance ±0.01mm; Groove depth tolerance ±0.01mm; Groove bottom flat, no rounded corners beyond requirement
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Post-milling surface treatment
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Remove cutting fluid and debris; Polish if needed; Passivate to enhance corrosion resistance, no residual tool marks
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Tool wear limit
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Tool wear amount ≤0.02mm; Replace tool in time when wear exceeds limit to ensure milling precision and surface quality
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Spindle stability
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Spindle runout ≤0.005mm; Rotational speed stable, no fluctuation; No abnormal noise during operation
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Workpiece clamping requirement
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Clamping force uniform: 5-40MPa; No clamping deformation or slipping; Clamping precision ±0.005mm
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Milling speed stability
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Speed fluctuation ≤±50r/min; Constant speed during milling to avoid uneven surface roughness and dimensional deviation
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Chamfer milling requirement
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Chamfer angle: 30°/45°/60°; Angle tolerance ±0.5°; Chamfer width 0.5-2.0mm, uniform width, no burrs
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Cooling system requirement
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Cooling pressure: 0.3-1.0MPa; Cooling flow stable, no blockage; Cooling nozzle aligned with milling area to ensure heat dissipation
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Tool change precision
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Tool change precision ±0.005mm; Tool change time ≤5s; No tool collision or deviation during tool change
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Ball end milling requirement (if used)
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Ball end radius tolerance ±0.005mm; Surface roughness Ra ≤1.0μm; No wear on ball surface, no chipping
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Face milling precision
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Face flatness ≤0.008mm/m; Surface roughness Ra ≤1.6μm; No waviness or unevenness on the milling surface
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Material Selection for the Process
Stainless steel milling Material Selection
ATA’s Stainless steel milling process has excellent compatibility with various stainless steel materials, which can realize high-precision milling while maintaining the material’s corrosion resistance and mechanical properties, reducing machining defects and improving production efficiency.
Stainless Steel Type | Milling Advantage | Application Scope |
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Good machinability, smooth surface, cost-effective | Electrical components, daily hardware | |
High corrosion resistance, stable milling performance | Marine parts, medical instruments | |
High strength, good machinability, no deformation | Pressure vessel components, oil pipelines |
Stainless steel milling Quality Control
ATA adheres to the whole-process quality management concept in the Stainless steel milling process, from the incoming inspection of stainless steel materials to the final inspection of machined components, strictly implementing international industry standards to ensure that each batch of products meets customer design requirements; we use professional testing equipment and scientific testing methods to conduct comprehensive inspections on the machining quality, and the specific testing methods are as follows:
- Dimensional accuracy inspection: Use a coordinate measuring instrument and micrometer to detect the size, tolerance and shape of components, ensuring that they meet the design requirements and international standards.
- Surface finish inspection: Use a surface roughness tester to detect the surface smoothness of milled components, ensuring that there are no burrs, scratches or other defects.
- Stainless steel milling performance test: Conduct hardness and tensile tests on machined components to verify that the mechanical properties of the stainless steel material are not damaged during milling and meet service life requirements.
- Batch consistency inspection: Sample and inspect each batch of components to ensure that the dimensional accuracy and surface quality of all products are consistent, avoiding batch defects.
Why Choose ATA Stainless steel milling
ATA’s Stainless steel milling service integrates professional high-precision machining technology, advanced CNC equipment and thoughtful after-sales support, providing customers with high-precision, high-efficiency and cost-effective precision machining solutions.
Industry Advantage
ATA has more than 10 years of experience in Stainless steel milling, deeply understands the precision machining needs of various industries, and has accumulated a large number of successful cases in Oil, Gas & Chemical Industry and Automotive & Transportation.
Equipment Advantage
We are equipped with imported high-precision CNC milling centers and automatic tool changing systems, which can realize continuous high-precision milling, improving production efficiency and reducing manual operation errors.
Service Advantage
Provide 24-hour technical consultation, customize Stainless steel milling solutions according to customer drawings, and provide after-sales maintenance and machining technology guidance for machined components.
ATA Stainless steel fabrication Center
ATA Stainless Steel fabrication: One-Stop Precision Solutions for Your Stainless Steel Needs.
Material Selection for the Process
Stainless steel milling Multi-industry Application Solutions
Food & Beverage Industry: In the food industry, Stainless steel milling is used to process Stainless steel mixing tank components and food processing equipment parts, ensuring the dimensional accuracy and smooth surface of parts, meeting strict food safety standards.
Pharmaceutical & Biotechnology: Applied to the machining of stainless steel medicine cabinet components and precision medical instrument parts, the high-precision Stainless steel milling technology ensures the components are seamless, sterile and easy to sterilize, fully meeting medical hygiene standards.
Oil, Gas & Chemical Industry: Used to process Stainless steel reactor accessories and pipeline connectors, Stainless steel milling ensures the dimensional accuracy and corrosion resistance of parts, ensuring safe operation in harsh chemical environments.
Electrical & Home Appliances: Used to process stainless steel junction box components and electrical connectors, the machining process ensures the components are precise, stable and durable, meeting the safety requirements of electrical equipment.
Aerospace & Defense: Applied to the machining of precision stainless steel components for aerospace equipment, Stainless steel milling ensures the high precision and structural stability of parts, meeting the strict requirements of the aerospace industry.
Stainless steel milling FAQS
Q1: How can ATA’s Stainless steel milling process meet the high-precision dimensional requirements of different customers (such as tight tolerance and complex shapes)?
A1: ATA has a professional CNC programming team and advanced high-precision CNC milling equipment, which can program accurate tool paths according to customer design drawings, and adopt high-precision tooling and clamping technology to ensure that the dimensional tolerance and shape of machined components fully meet the customized high-precision requirements.
Q2: In mass production of Stainless steel milling, how does ATA ensure the consistency of component precision and avoid batch defects?
A2: We adopt fully automatic CNC milling equipment and implement standardized production operations; each batch of materials is subject to unified incoming inspection, the machining process is monitored in real time by professional technicians, and finished products are sampled and inspected according to international standards to ensure batch consistency and avoid machining defects.
Q3: For stainless steel materials with high hardness (such as 440C stainless steel), can ATA achieve efficient and precise Stainless steel milling without damaging the material properties?
A3: Yes, ATA is equipped with high-hardness cutting tools and high-power CNC milling equipment, and optimizes milling parameters according to the hardness of stainless steel materials, effectively avoiding material damage and tool wear, ensuring the precision of machined components and retaining the inherent mechanical properties of the material.
Q4: How does ATA balance machining efficiency and precision in Stainless steel milling for urgent orders?
A4: We optimize CNC programming and production scheduling, use automatic tool changing systems to shorten milling time, and at the same time strictly implement quality inspection procedures at each link, ensuring that urgent orders are delivered on time without compromising the precision and quality of machined components.
Precise Custom Stainless Steel Milling
ATA is your trusted professional manufacturer specializing in high-precision stainless steel fabrication, providing custom one-stop solutions for your projects.