第一百二十八章 锻造发电机零件(为竹林一把火盟主一)(2 / 2)

【铬合金制造出来的滚珠硬度的确足够,现在就看主播怎么将这些滚珠打磨圆滑并抛光了。】

【车刀车吧?二轴车床加工滚珠勉强够用,只是车刀硬度可能不够。】

........

韩元拾起所有的滚珠,一共三十颗,看向弹幕,笑道:“打磨自然是有办法的,不过不是车刀处理。”

“轴承滚珠的精确度要求很高,而且要求同一只轴承里面的滚珠都一样大小。”

“二轴车床虽然能控制进给车制滚珠,但精确度得不到保障。”

“至于如何打磨,那就需要用到我前些天专门制造的滚珠打磨机了。”

说着,他带上这些滚珠,越过小河,来到机床工作室。

这里里面除了一台二轴车床还,还有一台小型圆形打磨机。

韩元拍了拍这台仪器,将带过来的滚珠都放入机器上面的圆形容器中,道:

“前些天在完成发电机的图纸绘制后,我后面不是又绘制和制造了一些图纸吗?”

“这个,就是十九世纪的滚珠打磨机器‘球磨机’”

说完,他将打磨机的盖子打开,让直播间里面观众注意观察圆筒里面的结构。

“你们看,在这个圆筒底部和翻盖顶部,是不是都各有一块磨石。”

“这就是我的秘密武器了,你们前几天不是一直在问我烧窑干什么吗?”

“烧的就是这些磨石。”

“原料是天然细砂矿岩和粘土,通过混合加工,然后烧制成的陶瓷砂轮。”

“这种陶瓷砂轮的磨料相当细密,又带有很强的硬度。”

“表面的磨砂在磨钝后会自动断裂,露出新的锋利磨粒,不断的翻新磨制原料。”

即便是看到了球磨机里面的砂轮,直播间里面的大部分观众也不相信这种简单的东西能磨制出来滚珠。

【用这破玩意打磨就能达到轴承滚珠需要的精度?我不信。】

【这玩意长的好像斗音上经常刷到的那种用鸡蛋、玉米杆子制造猪饲料的机器。】

【又是听不明白的一次葵花小课堂。】

【我也没听明白,只知道主播说这玩意可以磨滚珠。】

【原理是啥?有鸟大的解释一下没?】

【说白了就是磨刀石,只不过主播拿它来磨滚珠了。】

【我还有一个问题,就算这个磨石能打磨光滑滚珠,但你怎么控制每一颗滚珠的精度都一致?】

.......

看到提问,韩元笑了笑,先将翻盖合了起来,然后接上传动轴,启动球磨机。

球磨机一边工作,韩元则在一旁解释:“我的翻盖除了磨石外,上面还有一层厚重的生铁。”

“在底层的磨料转动的时候,生铁的重量会给滚珠一个向下的力。”

“这个力不会太大,但也不会太小,刚好可以让滚珠保持一定的压力,又可以在磨石上四面滚动。”

“既然大家现在都不信的话,那等会用事实来说话吧。”

大概两三个小时左右,韩元将传动轴断开,停下球磨机,然后打开翻盖将里面已经磨得相当圆润的滚珠拿了出来。

镜头下,躺在韩元手中的滚珠已然不见了之前凸出来的同心环和尾孔痕。

银白色的滚珠躺在手中,虽然还要再加工,但光滑程度看起来相当不错,

最让直播间里面惊讶的是,通过球磨机打磨一次后,韩元手中每一颗滚珠的大小,看起来竟然都差不多大。

.......

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