杯头螺丝；当要调节手轮在机架上的位置时，先要松开此螺丝，以便固定手轮。

Cup head screws, When should adjust the handwheel on the frame, the first to loosen the screw so that fixed the handwheel.

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用于尺寸180以上的电机机架，内置的机械密封结构应该采用一块整体结晶碳旋转密封面和一块整体结晶碳化硅固定密封面。

For motor frame size 180 and above, the inner mechanical seal shall be constructed with a solid block carbon rotating seal face and a solid block silicon carbide stationary seal face.

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这一设计采用马达传动小齿轮，通过机架固定见安装在每个进出机架上。

This design uses a motor driven pinion, which drives each leg in and out through racks mounted to each.

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