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Heat Exchangers Machining Solutions

The tube sheet is one of the main components in a shell & tube heat exchanger.

Depending on the tube bundle configuration, a heat exchanger can be equipped with one or two tube sheets.

These are usually made of low carbon steel material, with a varying thickness based on the fluid pressure.

Depending on the final application (petrochemical, nuclear, oil&gas, etc.) the tube sheet can be cladded with Stainless Steel or other Super Alloys or even be entirely made out Stainless Steel or Superalloys.

Heat Exchange Diagram
Tube sheet

Tube Sheets

The tube sheet is one of the main components in a shell & tube heat exchanger.

Depending on the tube bundle configuration, a heat exchanger can be equipped with one or two tube sheets.

These are usually made of low carbon steel material, with a varying thickness based on the fluid pressure.

Depending on the final application (petrochemical, nuclear, oil&gas, etc.) the tube sheet can be cladded with Stainless Steel or other Super Alloys or even be entirely made out Stainless Steel or Superalloys.

TOOLING SOLUTIONS

Typical Hole Patterns

The most common types of holes experienced in tube sheet drilling are triangular, rotated triangular, square and rotated square. Each hole pattern presents its own drilling challenges. See typical pattern types below. 

Triangular Pattern

Triangular Pattern

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Triangular Tube Sheet Pattern Example

Triangular Tube Sheet Pattern Example

Rotated Triangular Pattern

Rotated Triangular Pattern

Rotated Triangular Tube Sheet Pattern Example

Rotated Triangular Tube Sheet Pattern Example

Square Pattern

Square Pattern

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Square Tube Sheet Pattern Example

Square Tube Sheet Pattern Example

Rotated Square Pattern

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Rotated Square Tube Sheet Pattern Example

Rotated Square Tube Sheet Pattern Example

    

Material Configuration

Possible Material Configuration
Possible Material Configuration
Possible Material Configuration


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Tooling Solutions

TDMX

Extra stable pocket seat design enables high feed rates even in tough conditions, resulting in an increase of productivity and decrease in cost per hole

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TC4

Versatile Indexable drilling platform covering a wide range of materials and applications

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VariDrill

Universal Solid Carbide Drilling portfolio, suitable for Steel, Stainless Steel and Super Alloys

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TRF / TRM

New brazing technology enabling higher feed rates and longer tool life

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ISO Turning Inserts

Greater wear resistance in Steel, Stainless Steel and Super alloys

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Interested in learning more about Energy Component Solutions? 

Talk to the WIDIA Energy experts to discuss our tooling solutions.

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