塑料管帽的制造要求

不銹鋼管帽英文（Stainless steel caps）又稱堵頭或封頭。 用途：焊接在管端或裝在管端外螺紋上以蓋堵管子的管件。用來封閉管路，作用與堵頭相同。
管帽包括凸形管帽、錐殼、變徑段、平蓋及緊縮口的設計。
凸(tu)形(xing)(xing)管(guan)(guan)帽(mao)(mao)(mao)(mao)包括：半(ban)球(qiu)形(xing)(xing)管(guan)(guan)帽(mao)(mao)(mao)(mao)、橢圓形(xing)(xing)管(guan)(guan)帽(mao)(mao)(mao)(mao)、碟(die)形(xing)(xing)管(guan)(guan)帽(mao)(mao)(mao)(mao)和(he)球(qiu)冠形(xing)(xing)管(guan)(guan)帽(mao)(mao)(mao)(mao)。從(cong)受力角度看(kan)凸(tu)形(xing)(xing)管(guan)(guan)帽(mao)(mao)(mao)(mao)中從(cong)半(ban)球(qiu)形(xing)(xing)管(guan)(guan)帽(mao)(mao)(mao)(mao)逐漸不好，但從(cong)制造(zao)難度上看(kan)，逐漸好制造(zao)。