Upsetting forging method is one of the production flows of the engine valve machines. This method is used to collect and upset the metal to create the heads of the bolts. Nevertheless, the equipment utilized for this method has been changed.

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Engine valve making machine is of great importance. This machine could be used for several applications. It is available in automatic and semi-automatic forms. The companies can choose the production technology that suits their needs.

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When the repaired seal between the valve and the valve seat fails to meet the requirements, or when the valve and the valve seat are found to have slight ablation or spots during regular maintenance, the grinding method should be used to achieve the valve fit requirements.