汉斯

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Manufacturing

What is the welded metal bellows?

Press-molded from a very thin metal foil (0.05 ~ 2mm) produced by welding in the form of elastic Bellows corrugated pipe by blocking the inside and outside space-axis direction, while maintaining confidentiality, for each direction, horizontal / vertical direction enable the transfer of refers to a machine element parts.

  

The purpose of Welded Metal Bellows


Bellows Sealing reliability is especially required as the relative displacement (axial movement, each movement, horizontal / vertical movement) as precision components used in place that causes, aerospace, semiconductor equipment, ultra-high vacuum equipment, synchrotron accelerators, instrumentation, Mechanical Seal Throughout the industry, such as its use is very extensive.

 

How to Make Welded Metal Bellows


1)Preparing the design data

A. Dimensions (inside diameter, outside diameter)
B. Stroke (Max, tensile chapter, Min, compressed sheet, Cycle Life Time)
C. Operating conditions (Gas type, pressure, temperature, etc.)
D. Function (spring constant, life)
E. Other (volume change, depending on the intended use, the vacuum inside diameter, outside diameter vacuum, Oak Lake, etc.)

 
 
2) Design

A. Dimensioning
B. Mold Design
C. Determine the required number of Convolution
D. Material Selection
E., etc. (depending on the application required by the customer)

 
 
3) Design Considerations

- Fluid types
- Pressure
- Temperature
- Mounting space
- Stroke: Extended Length / Compressed Length
 - Special Movement: Angular Offset / Lateral Offset
- More variations: Buckling / Squirm Pressure


 
 
* Production Process

Import Inspection - Press - three - my OD weld-welding seam inspection - three - EF welding - Leak Test - Visual inspection - Inspection - Vacuum Packaging

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Product:Mechanical seal,Welded metal bellows

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