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Secondary Operations:
Induction Welding: Joint Designs
Typical Emaweld® Joint Designs
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| Flat Joint |
Groove Joint |
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| Tongue and Groove Joint |
Shear Joint |
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Emaweld® and Emabond® are trademarks of Emabond Systems.
A division of Ashland Chemical, Inc. |
| Step Joint |
Notes
- Flat joint: This is the simplest of joint designs. It is well suited for continuous welding operations or parts with a long weld line.
- Groove joint: A flat to groove weld offers a different structural integrity than flat to flat and contains the Emaweld material throughout the weld cycle. This weld is used where the bonding material position is critical.
- Tongue and groove joint: Tongue and groove joints provide the ultimate weld strength. The weld line includes the surface area of the tongue. Because the Emaweld material is contained during welding, it is well suited where a hermetic or pressure tight weld is required. They are often used in transparent medical devices where joint line cosmetics are important.
- Shear joint: Places the joint in shear and also provides superior strength. A shear joint is often used for containers requiring a high pressure seal. The weld can be designed to withstand pressures from either inside or outside the vessel.
- Step joint: The step joint is a modification of a shear joint. Step joints are excellent for attaining pressure-proof welds. This joint accommodates wide tolerance variations in part shrinkage.
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