| 摘要 |
A butt-welding and electro-fusion joining machine comprises a smoothing board, a heating board, fixed rings, a movable ring, throat pipe moulds, a manual switch, cross beams, and uprights, wherein the fixed rings and movable ring are set in turn on the cross beams of the uprights; the throat pipe moulds are set inside the fixed ring and the movable ring; the heating board is set at one end of the uprights; at one side of the heating board is fixed rings, and the other side is the smoothing board; the manual switch is set on the cross beams; the length of the cross beams is sufficient for placing pipes and fittings; the movable ring is set between the fixed rings and moves back and forth along the cross beams according to the length of the pipes and fittings joined by electro fusion.
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