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CNC Machining for Stainless Steel Parts

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Stainless steel, known for its strength, durability, and corrosion resistance, is preferred for countless applications ranging from medical devices to automotive parts. Its machinability allows for creating complex shapes and precise tolerances with smooth finishes, essential for custom parts requiring high precision.

Types of stainless steel suitable for CNC machining

In CNC machining, selecting the right type of stainless steel is pivotal for balancing machinability with application requirements.

  • For high corrosion resistance and formability, 304 and 316L austenitic grades are preferred, offering easy machining for complex parts.
  • For parts demanding hardness and wear resistance, 410 and 416 martensitic steels are chosen, as they can be easily machined and hardened.
  • Meanwhile, 17-4PH stands out in the precipitation-hardened category for its exceptional strength and machinability, making it ideal for aerospace and medical devices.
  • Duplex stainless steels like 2205 blend strength with corrosion resistance, suitable for harsh environments.

CNC Machining Processes for Stainless Steel Parts

The CNC machining of stainless steel parts encompasses a variety of processes, each chosen based on the part’s design specifications and intended use.

CNC Milling

This versatile process uses rotary cutters to remove material, allowing for the creation of complex shapes, slots, holes, and notches with high precision.

CNC Turning

Ideal for producing cylindrical parts, turning operations involve rotating the stainless steel workpiece against a cutting tool.

Drilling and Tapping

These processes are critical for adding functional features to stainless steel parts, such as through holes for fasteners or threaded holes for assembly.

Custom Stainless Steel Components

Medical Stainless Steel Speed Sensor Parts

Medical Stainless Steel Speed Sensor Parts

Product name: CNC medical parts

Material: Stainless steel

Customization: Support non-standard customization

CNC machining: CNC Turning, CNC Milling

Application:

Cardiovascular diagnostic and treatment equipment

Infusion pumps and syringe pumps

Ventilator

Laboratory automation equipment

Mechanical and Electrical Accessories

Mechanical and Electrical Accessories

Product name : Mechanical and Electrical Parts

CNC machining: CNC Turning

Material: Stainless steel

Customization: Support non-standard customization

Application:

  • Automation & Robotics: Precision gears and motors in robotic assembly arms.
  • Automotive: Actuators in adaptive lighting systems and electric power steering components.
  • Consumer Electronics: Haptic feedback mechanisms in smartphones and tablets.
  • Medical Devices: Motors and sensors in MRI machines and prosthetic limbs.
  • Aerospace: Servo motors in satellite dish positioning systems and aircraft flap controllers.
  • Renewable Energy: Controllers in solar panel tracking and wind turbine pitch systems.
  • Industrial Control & Sensors: Temperature sensors are used in industrial ovens, and pressure sensors are used in hydraulic systems.
  • Communications: Antenna rotators and switches in cellular base stations.

Stainless Steel Rotating Shaft

Stainless steel rotating shaft

Product name: Stainless steel transfer shaft roller shaft

CNC machining: CNC Turning

Material: Stainless steel

Customization: Support non-standard customization

Application:

Machinery manufacturing: As a transmission component in mechanical equipment, it transmits power and motion.

Automotive industry: The vehicle’s transmission system serves as a key component connecting different mechanical components to ensure smooth transmission of torque.

Aerospace: used in key aircraft and spacecraft mechanical structures to undertake stable work under high loads and extreme environments.

Medical equipment: In high-precision medical instruments, such as surgical robots, precise control and operation of the equipment are ensured.

Disc Connector

Stainless steel disc connector

Product name : Stainless steel disc connector

Disc joints are usually used in high-performance and high-precision connection situations.

CNC machining: CNC Turning, CNC milling

Material: Stainless steel 304

Surface treatment: Sandblasting, polishing, anodizing, galvanizing

Customization: Support non-standard customization

Tolerance: Verticality 0.02mm, Angle tolerance ±0.05

Technical requirements: Deformation control of stainless steel thin-walled parts with angle tolerance ±0.05, tool selection, process arrangement and machine accuracy guarantee

Application: Piping systems, construction machinery, aerospace, automobiles

Mirror Valve body

Mirror Valve body

Product name: Mirror valve body

CNC machining: CNC Turning, CNC milling

Material: Stainless steel 316L

Surface treatment: Sandblasting, polishing, anodizing, galvanizing

Customization: Support non-standard customization

Product Requirements:

After moulding, all assembled surfaces should be mirror polished, and the edge should not collapse after polishing.

Technical difficulties:

The height from the bottom surface of the assembly to the tip of the blade is 0.01mm, and the depth of the fine hole of 1.6 is 25mm with a tolerance of 0.01mm. After polishing, it must be passivated, and the mirror effect should not be damaged.

Application:

  • Chemical industry: In piping systems handling corrosive or high-purity chemicals, mirrored valve bodies reduce fluid resistance and improve fluid transfer efficiency while preventing chemical erosion and contamination.
  • Pharmaceutical industry: Used to ensure a sterile environment during the production of pharmaceuticals, the smooth surface of mirrored valve bodies helps to prevent bacterial build-up and cross-contamination, meeting stringent health and safety standards.
  • Food and Beverage Industry: When processing and packaging food or beverages, mirrored valve bodies help maintain product quality, prevent food residue and contamination, and are easy to clean and sanitize.
  • Semiconductor Manufacturing: In producing semiconductor wafers, mirrored valve bodies control the flow of ultrapure water, chemical solutions and gases to ensure a high-quality manufacturing environment.
  • Water Treatment and Distribution: In high-end water treatment applications, such as reverse osmosis or ultrapure water preparation, mirrored valve bodies prevent scale and contaminant buildup and safeguard water quality.
EASIAHOME is a CNC machining factory that provides solutions for processing customized metal parts. We have more than 17 years of experience producing stainless steel custom parts and have cooperated with many companies worldwide. We carry almost every type of CNC milling machine and turning centre and can machine any product you need.

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