| 摘要 |
PURPOSE: A welding system is provided to prevent damage to a device due to heat although the device is near a high-temperature welded surface by maintaining the fixed temperature of the device using a cooling part. CONSTITUTION: A welding system comprises a body part(10), an extension part(20), a guide part, and a fixing part(40). A drive roller(12) is formed in the body part. The extension part guides the wire in a fixed direction using the power of the drive roller. The guide part guides the wire to a welded surface.
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