| 摘要 |
PURPOSE: A guide rail for a welding carriage is provided to stably guide by being slid via a pair of rail units having a round cross section and bearing metal. CONSTITUTION: A guide rail for a welding carriage includes a rail body (110), a rack gear unit (130), a pair of rail units (120), and a bracket unit. The rack gear unit is formed on the body unit and engaged with a driving gear of the welding carriage. The rail units are joined to a guide of the welding carriage and guide the movement of the welding carriage. The round cross sections of the rail units are partially extended and connected to the body unit. The rail units are joined to the guide pins of the welding carriage respectively via a bearing metal. |
