Abstract: A spindle apparatus according to the present disclosure includes a housing, a spindle rotatably installed in the housing, a tool releasably engaged with one end of the spindle and having an insert tip movable in a radial direction of the tool, a first draw-bar movably mounted in the spindle, and a second draw-bar movably mounted in the first draw-bar. The tool and one end of the first draw-bar are releasably engaged with the one end of the spindle by a movement of the first draw-bar, and the insert tip is configured to move in the radial direction by a movement of the second draw-bar.

Abstract: A spindle apparatus according to the present disclosure includes a housing, a spindle rotatably installed in the housing, a tool releasably engaged with one end of the spindle and having an insert tip movable in a radial direction of the tool, a first draw-bar movably mounted in the spindle, and a second draw-bar movably mounted in the first draw-bar. The tool and one end of the first draw-bar are releasably engaged with the one end of the spindle by a movement of the first draw-bar, and the insert tip is configured to move in the radial direction by a movement of the second draw-bar.

Abstract: An apparatus and method are provided for fastening a fuel cell stack capable of significantly enhancing assembly characteristics and productivity of a stack by preventing insulating plates, when assembled, from being interfered or hampered by other components, while maintaining the stack pressed with appropriate pressure applied thereto. The apparatus includes a loading jig into which a stack is loaded and a press block that is configured to press the stack. Additionally, a pressing maintaining unit is configured to maintain the stack in a pressed state by the press block.

Abstract: A spindle jig and a machining center having the same are disclosed. The machining center includes a spindle jig installed to be movable, a guide rail mounted to guide and move the spindle jig, a spindle that is fitted and supported on the spindle jig, and is equipped with a processing tool and rotates the processing tool, a column on which the spindle jig is mounted, an auto pallet changer equipped with materials, and transferring the materials to a processing area or a non-processing area, a splash guard rotated integrally with the auto pallet exchanger, mounted to be tiltable at a predetermined angle and separating the processing area from the non-processing area, and an upper cover installed to be rotatable on the movement path of the spindle jig along the guide rail. Accordingly, the replacement of the spindle can be quick and easy.

Abstract: Disclosed herein is a system for manufacturing a membrane electrode assembly of a fuel cell stack, in which the concept of automation is introduced to the entire process for manufacturing the membrane electrode assembly and, in particular, bonding and stamping processes for the membrane electrode assembly and a gas diffusion layer are integrated. According to the present invention, it may be possible to reduce the installation area of the system and reduce the production cycle type, thus facilitating mass production.

Abstract: A spindle jig and a machining center having the same are disclosed. The machining center includes a spindle jig installed to be movable, a guide rail mounted to guide and move the spindle jig, a spindle that is fitted and supported on the spindle jig, and is equipped with a processing tool and rotates the processing tool, a column on which the spindle jig is mounted, an auto pallet changer equipped with materials, and transferring the materials to a processing area or a non-processing area, a splash guard rotated integrally with the auto pallet exchanger, mounted to be tiltable at a predetermined angle and separating the processing area from the non-processing area, and an upper cover installed to be rotatable on the movement path of the spindle jig along the guide rail. Accordingly, the replacement of the spindle can be quick and easy.

Abstract: Disclosed herein is a system for manufacturing a membrane electrode assembly of a fuel cell stack, in which the concept of automation is introduced to the entire process for manufacturing the membrane electrode assembly and, in particular, bonding and stamping processes for the membrane electrode assembly and a gas diffusion layer are integrated. According to the present invention, it may be possible to reduce the installation area of the system and reduce the production cycle type, thus facilitating mass production.