Pipe expansion and contraction (punch processing) achieves a longer processing distance than conventional methods!
This is a pipe expansion and contraction product using punch processing. We have achieved a longer processing distance than conventional methods without using hydraulic forming.
For long-distance expansion and contraction processing, hydraulic forming is available as a method that does not cause molding defects. However, this method requires specialized molding equipment, resulting in high production costs, and it was necessary to seal liquids or gases inside the pipe during the forming process. Our company's punch method for expansion and contraction processing eliminates these issues and enables processing at a lower cost. Of course, bending after processing is also possible. If you are struggling with buckling or cracking, or if you want to increase the processing distance, please feel free to consult us.
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basic information
For details such as processable diameters and distances, please contact us.
Price range
Delivery Time
※The delivery date may vary depending on the specifications, so please feel free to contact us.
Applications/Examples of results
Our company mainly handles piping around engines. Additionally, we are also involved in the manufacturing of exterior parts and accessory components.
Detailed information
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Reference image of expansion tube distance
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Reference image for shrink tubing distance
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Expansion pipe bending product image
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Company information
Features of Esaki Industries - Tier 1 pipe processing parts manufacturer for truck and car manufacturers - Capable of handling small quantities and a wide variety to large lots, with processing methods tailored to the lot size - Local procurement support in ASEAN utilizing our base in Thailand - Technology developed for automotive parts is also applicable to other industries - Materials handled include iron and stainless steel, accommodating pipes from φ6 to φ65 - Capable of processing such as bending, welding, brazing, pressing, and cutting