第一百五十节 试制
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“新年新始的,大伙怎么都这副模样那?”李梅很快就发觉气氛的异样。
“能好得了吗?”季无声没有好气的说,“折腾了大半天就出来一堆垃圾。”说着就把吹玻璃没技术,到现在什么东西也做出不来的事情说了。
李梅听了拍了下手:“哎呀,你们也真是得。还一天到晚说什么群策群力呢,这事问我啊!”
“什么?!”众人的眼睛顿时都睁圆了。文德嗣也吃了一惊――李梅的档案里可没说她当过玻璃工人――明家的确有一项独木技术是穿越众所没有的,但和玻璃无关。
“您会吹玻璃?那太好了,赶紧帮忙示范示范。”季无声的精神立刻就来了,差点直接去拉这老太太了。
“我哪会吹玻璃呀。”李梅的依旧气闲神定的模样,“不过我当物贸公司经理那会,手上过的各种玻璃货也不少,多少都懂一点。”
她指着那些奇形怪状的玻璃器说:“就说杯子之类的东西吧,一般都有两种,一种是吹制的,一种是模压的――”
文德嗣失声叫了出来:“模制!我怎么给忘了!”
“没错。文总您也想起来了?”李梅满面笑容,“既然做不了吹制器,那就上模压器好了,其实要说到玻璃杯,模压制造的可比吹制的多得多了。”
“好,我们这就试试看!”季思退想这个思路倒是开拓了一个新局面。模压要使用模具,设计制造模具对机械部门来说是小菜一碟,更何况是这种简单的小东西。
“等下,我们要先把规格定下来。”文德嗣说,“既然用到模具的话,就要定下外观和规格、尺寸,这样才能方便以后的标准化制造,否则会造成浪费。”
大家面面相觑,玻璃杯、玻璃瓶这些东西平时见多了,谁知道它的规格尺寸是什么模样的?倒还是萧白朗想了起来:到计委的仓库里把各种玻璃器具都拿一份出来,实地测绘不就知道了?
当下文德嗣赶紧给马千瞩打电话,要求暂借一批玻璃器。这边玻璃器攻关小组兵分两路,一路人马由季无声、萧白朗等冶金机械方面的人员组成,领到样品后马上着手测绘、开模。另一路由季思退率领的化工人员继续冶炼玻璃料,为其后的大规模生产备足原料。当下分工已定,各自行动起来。
文德嗣自己也干过模具,反正过年放假也没什么事情,就随着机械这部分去了,顺便为制造模具提供一些专业意见。
萧白朗对着从计委借来的各式各样的玻璃杯、玻璃碗、玻璃花瓶、酒瓶、水瓶、各种茶具、咖啡具看了又看,不知道先画哪个比较好。
“来个八角玻璃杯吧。”文德嗣想这17世纪的市场到底有什么用的需求还很难说。还是先来得简单的东西。
“行!”设计这种东西的模具对搞机械出身的萧白朗来说毫不困难。把八角杯端详了一番,又量了下尺寸,用铅笔唰唰的在笔记本上画了个简易的三视图,拿起尺子和铅笔现场就把模具图纸设计出来了。
“文总,你看看这个模具怎么样?”
文德嗣看了下图,这种杯子、碗的模具是很简单的,就是一个两瓣式组合设计,另有配套的夹具,没什么问题。
“就这样开好了。材料也不需要什么好东西,让季无声用生铁铸造。”
1629年的年初一就这样过去了。
第二天,季思退把连夜搞好的几副生铁模具送到了玻璃厂。由于昨天通过吹制玻璃已经大概知道了玻璃液的物理特性,大家经过讨论,又做了几次试制之后,确定了工艺流程:首先在模具内部涂抹上一层用桐油调和的木炭粉末,防止玻璃液与模具内部产生黏合。然后季思退用吹管蘸一团粘稠的玻璃浆出来后,一边向吹管里面吹气,一边将取出的玻璃料在一块干净的铁制滚板上滚圆,然后开始举起吹管和玻璃泡向上方吹气,这样就可以避免玻璃料集中在玻璃泡的底部。当玻璃泡的体积达到一定尺寸之后,将吹管放下,用坩埚钳将玻璃泡拉长到生铁模具的长度,将玻璃泡放入生铁模具中,使玻璃泡沉到模具底部,这时旁边的人踏住木头夹板将模具合上,一边继续吹气,一边通过不断的旋转吹管来转动模具中的玻璃泡。片刻之后,用冷水将玻璃泡打下。打开铸铁模具,一个漂亮的八角形玻璃杯出现在大家的面前,所有人都如释重负般地吁了口气。
接着又做出来圆形玻璃杯、玻璃碗、西洋式高脚酒杯,甚至玻璃酒瓶--这是郭逸要求了很久的东西。
做好的玻璃器被放在退火窑中进行退火处理。然后,它们被送到机械厂,在那里用高速轮锯切掉吹管口,并且进行打磨修光处理――这些由机械部门的学徒队的少年们来做。
第一批成型的器皿让整个玻璃攻关小组爱不释手。执委会接到这一好消息之后,下令把这批玻璃器中的每一种各提取一件送计委作为“重要历史文物”作永久保存。
季思退再接再厉,干脆按照郭逸在电报中的要求,让萧白朗按照扁瓶红星二锅头的模样设计了一套模具,一口气制造了三百个酒瓶。这种小物件形状简单,材料用得又少,正好给大家上手练习用。
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