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本刊过去曾介紹过一些螺帽鍛造用的工具,但这些工具都有缺点,有的介紹太簡单了,缺少詳細图样,以致读者经常来信詢問。下面介绍的这套一火鍛螺帽用的胎模,我們认为有以下几个特点:1)零件設計合理,如下六角铁內芯子做成带梢的,冲子的直徑又比它小,这样投出冲子就比较方便,而零件又不容易坏,提高了模具的耐用度。2)操作簡便,效率高,如在500公斤汽锤或空气錘上,动作熟練四下就可以燜制一个螺帽,每8小时可以生产700个左右。3)如果热处理質量能够保証,每付模子可以燜制1500～2000个,只是冲子不能使用,其他仍沒有問題。4)鍛件質量高,內孔不出斜梢,上部也不需要加工。所以我們就把这套胎模的詳細图样介紹出来,供大家参考。
In the past, we introduced some tools for forging nuts, but these tools all have shortcomings. Some of them are too simple to introduce and they are lacking in detailed drawings so that readers often ask for inquiries. The following describes a set of fire forging nut with a tire mold, we believe that the following features: 1) parts design is reasonable, the following hexagonal core made of iron with a tip, the punch diameter smaller than it, This throwing punch is more convenient, but the parts are not easy to damage, improve the durability of the mold. 2) Easy to operate and high efficiency. For example, on a 500kg hammer or air hammer, a nut can be stewed with four skilled actions, and 700 can be produced every 8 hours. 3) If the quality of heat treatment can be guaranteed, each mold can simmer 1500 ~ 2000, only punch can not be used, the other still no problem. 4) high quality forgings, the hole is not inclined tip, the upper part does not need processing. So we put a detailed pattern of this set of mold introduced for your reference.