CNC machining, 3D printing, and sheet metal processing have many applications in the industrial machinery industry, some of which include:

1. CNC machining: CNC machining is used in the industrial machinery industry to manufacture high-precision components and parts for various machinery. Examples include:

· Machine parts: CNC machining can be used to manufacture machine parts such as gears, shafts, and bearings.

· Industrial valves: CNC machining can be used to manufacture industrial valves with high precision and accuracy.

· Industrial pumps: CNC machining can be used to manufacture industrial pumps with high efficiency and performance.

2. 3D printing: 3D printing is widely used in the industrial machinery industry to manufacture prototypes, molds, and tooling. Examples include:

· Prototyping: 3D printing can be used to quickly and affordably manufacture prototypes of machine parts and components.

· Molds: 3D printing can be used to manufacture molds for injection molding and other manufacturing processes.

· Tooling: 3D printing can be used to manufacture tooling such as jigs, fixtures, and gauges.

3. Sheet metal processing: Sheet metal processing is used in the industrial machinery industry to manufacture various machinery components and parts. Examples include:

· Machine frames and enclosures: Sheet metal processing can be used to manufacture machine frames and enclosures with high strength and durability.

· Sheet metal parts: Sheet metal processing can be used to manufacture sheet metal parts such as brackets, panels, and covers.

Common materials used in the industrial machinery industry include:

Metals: Metals such as steel, aluminum, and copper are widely used in the industrial machinery industry because of their strength, durability, and machinability.

Plastics: Common plastic materials used in the industrial machinery industry include ABS, nylon, and polycarbonate. These materials are lightweight and have good impact resistance.

Common surface post-treatment processes used in the industrial machinery industry include:

Heat treatment: Heat treatment is a surface treatment process that can improve the mechanical properties of a material, such as its hardness or toughness.

Electroplating treatment: Electroplating treatment is a surface treatment process that can plate a layer of metal on the surface of a material. This treatment can improve the corrosion resistance and wear resistance of the material.

Powder coating treatment: Powder coating treatment is a surface treatment process that can apply a durable and protective coating on the surface of a material. This treatment can improve the corrosion resistance and appearance quality of the material.

Passivation treatment: Passivation treatment is a surface treatment process that can remove free iron and other surface contaminants from a metal. This treatment can improve the corrosion resistance of the metal.