the most basic form of hammering that a blacksmith does is to position the metal directly in the center of the ambulance it hit it squarely with the face of the hammer this is a very inefficient way of moving any metal so this technique is great if you want to change the cross section of the car without lengthening it too much in the next heat we're going to start drawing out the bar by just changing the position of the hammer slightly using the hammer in this position will force grooves or what we call full into the surface of the bar these folders pinch the bar and force the bar to get longer without spreading it out very much of course you don't need to tilt the hammer anywhere near as much as i'm doing here i'm just exaggerating the angles that you can see it on camera if i was hammering normally you wouldn't be able to tell that i was tilting the hammer at all once the bar is completely fullered you can start hammering it with the flat of your hammer that will dry of all the peaks in between all the fullers back into the bar and this will also help to lengthen it and then just use the last bit of the heat to clean up the forging to draw out the metal even faster in the next tea that i'm going to use the same hammer technique but i'm going to move the whole bar over to the edge of the handle this is going to start pinching the bar from both sides this technique is used mostly for really heavy bars when you need to get all the mechanical advantage you can over the metal when you're using this technique you want to make sure that you use an edge of an anvil that is really well rounded otherwise you're gonna be cutting sharp corners into the bar that are gonna be really hard to forge out as you can tell this is a fairly aggressive way of moving a lot of metal i use it mainly when i need to do a lot of forging on a bar and i'm sure that i'm going to have enough room at the end clean up all the hammer marks and as always i'm using up the last bit of the heat to clean up the forge。
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in this video i wanted to go over my setup for forging it's not exactly mig welding, but it kind of goes together so i wanted to give you at least an introduction to this forging is all about heating metal red hot, so that it's soft so that you can shape it and this is my forge it's a propane forge there are really two kinds there's coal fired and propane fired propane is a lot handier this is made by a canadian company called mighty forge and the propane tank six under there and and power is two burners that shoot flame into the actual forge and i'm going to show you how that works we're going to put metal in there we're going to heat it we're going to do some shaping i would say i've built this cart modified this cart in order to accommodate the forge and some things here these are tongs this is for holding the red hot metal and there's a place for those and hammers as well fit over here on the other side it rolls and it locks as well, so it's a great setup for casual foraging that you might be doing in a space that you don't normally do forging in so i'll light this up we'll heat some metal and then i'll show you what it's like to hammer that metal on an anvil, so i've just let this burner this one's gonna light this one so we've got some good heat here i've adjusted the regulator to give me the amount of heat i want more or less this forge happens to be open on the ends you see there's an opening here there's another opening on the other side that's you can heat longer pieces of metal but it also means that there's flames licking out of here too you can't really see it in this light but you have to be careful of the sides i've got safety glasses on definitely a necessity i've got these leather forging chaps to protect me so tongs are the tool that holds the metal that's going to be forged i'm going to be turning this into a wedge a steel wedge i use it for splitting stone and things like that, but notice these these are similar, but they have different opening sizes and that's because you want the tongs to have their handles position so that you can grip the handle while holding a certain thickness of metal, and and that's what's going on here see if i was trying to hold this thickness of metal with a tongue that's smaller it doesn't really grip properly because the jaws aren't parallel and look at how far apart the handle is so you kind of have to match the tongs for the thickness of metal you're handling that's why we have different ones okay the forge has only been running for a little while now, but it's already red hot inside i'm gonna put a few pieces in here close the lid let that cook for a few minutes and when the steel is nice and red i'm going to grab one take it over here and we'll do a little bit of foraging there's a saying in english and strike while the iron is hot that means when the opportunity presents itself take action and that's saying comes from what you're going to see here because once that thing is hot you don't have very long to bring it over to the anvil and to start hammering away and shaping it maybe fifteen twenty seconds, thirty seconds on the end well, maybe and then it's back to the force for reheating again so that's why i have multiple pieces in there because as i'm working on one others can either be getting hot or staying hot it's not that unusual to see used anvil surround and they're all usually kind of rusted and dished on the top and everything i bought this one new and it's a hundred and twenty five pounds it's a great size there are bigger ones there are smaller ones, but this works great and an anvil on its own isn't a whole lot of use you need to put it on something so that it's at the right height this is an oak log here i've also bolted in this semicircular piece of wood here and on the other side to just hold it in place, but an anvil has so many shapes so that you can shape metal on it so this surface here here would be the usual one for just the kind of forging i'm going to do here for you today sometimes you want to bend things and that's what this horn is that's what this is called it's called the horn of the anvil and you can bend different radiuses on the different positions on the horn there are places in here if you want to punch a hole through metal when it's red hot all kinds of different shapes for bending and things so this shape typical animal shape has been refined over the over the centuries really to work quite well and a good anvil has a kind of a bounce to it too i'm not lifting this hammer off really, it's just bouncing off so a very important part of the process right here at theample, so let's see how we're doing see if we're hot enough, we're getting there now i'm going to be repositioning this one because it's really the end that i want red hot in this case because as i said i'm making some wedges here we just let that cook a little longer, but it's got to get quite a bit brighter than that before the metal is soft enough to do anything with so i think yeah we're in good shape we got some red hot metal here so take this out close this up, so i struck while the iron was hot and now it's not hot anymore, but i can continue working on when i've already started this one, i think is ready to go now that's going red hot it always surprises me how fast really hot metal cools down? so what was that ten fifteen seconds maybe twenty seconds, it's not even warm anymore water sure sucks heat out of things fast gonna clean this up a bit and there's a stone wedge ready to go, so i've got my batch of three wedges ready to go because it's something that will be struck with a hammer, i've ground this here, so that it doesn't mushroom over and break off it's not very fine work, it doesn't have to be it just has to go into a saw curve and some stone to split it open, but and i don't actually forge very often, but it is very nice to have this when the occasion arises。
今天给大家演示的呢是刀身的花纹锻打和刀身的找平。这里大家可以看到用小圆锤敲打刀身的目的呢?是让他的花纹产生自然的弯曲,以使显现的花纹更加的丰富。 what are we?
手锤的不打个四五十锤下不来, 后底还得给你安分。你是按木挂的,安个火钩挂的。我钩子挂的可不会窝的。 哎。长度你看差不多。对,算了吧。哎, 看你这个。哎,别动别动,你看你这个手手从哪刷的你就习惯,因为你不不损你就直接往前刷,你要打的熟的手都在这刷,最次在这刷。你看我这个地方就磨得多亮。 看,就这账发的,你看我这多黑。不在这发的 我也来。哎呀太多了。不行,太多了我管不起你饭。那你自带干粮。
脆骨啊, 好了吧? 啊啊, 好,马上好了马上好了,烧红了,出来了,出锅了。脆口的话他一定要 完全烧红,不然就吹不出这个效果来。好,然后机油吹火, 一般钢材本身硬度比较高的就会用机油褪色啊,他韧性不高的话用机油的。那如果说钢材本身韧性好,但是他硬度不行啊,硬度比较一般的话,那就用水翠,像这个,这里这一缸是水啊, 本身硬度就挺好的,我们用的这个钢材本身硬度就很强的。那所以我们一般都是用机油去火,保证它的韧性啊。 进一下,然后锄头锄声弄完,以锄声吹完以后就斧头还要再吹一下,好在斧头的时候呢,斧头还要再吹, 最短。 好用水先喝 来。 好一把成品完成。看一下啊,一把成品的拳头。
咱就说抡大锤吃电焊,铁匠活他不好干。这个铁匠炉在咱们这都快失传了,但是在巴基斯坦呢,这个铁匠炉还挺盛行, 今天咱就看用这个废旧的车工子,也就是所谓大伙说的钢板制作生活小器物。首先先把这玩意切成一段一段的,一小嘎,一小嘎,啥叫一小嘎啊?就是一嘎达, 这个一嘎达和哪嘎达他俩不是一回事啊,作为打铁就是锻造,锻造就得上火烧。在巴铁来说,这小铁匠炉,这小炉子给你盘的不错, 炉子首先它是烧煤的,他们不烧胶炭,在咱们这打铁也都烧煤壶,烧胶炭的那都是有条件的。作为胶炭来说吧,是练铁用的,并不是说打铁用,所以说这小火苗子呲 次往外冒,小吹风机,小鼓风机这么一吹,然后把刚才切好的一块一块的小铁板给他摞到一块,但是摞这一摞不知道啥时候能烧透。我感觉咱们国内的铁匠炉,首先把这铁放到火上,然后拿过来一个类似于瓦片的东西,把这火给他扣上, 提高这个炉温,不一会这铁就烧红了。不过来说巴铁师傅这炉子也不慢,一边天煤一边扒拉,一边吹风机吹着火,这火苗子也呲呲的,不一会就烧红了。 此时这打铁师傅把这个底层这块铁抠出来,然后拿到这小空气锤上,哐哐的就开销。玩空气锤这个活,他也是个技术活,砸重了不行,砸轻了砸不着,所以说掌握技巧很重要,这个技巧哪来的?就平时日常积攒的。 我有那么一句话说的好吗?台上一分钟,台下十年功,这个铁这个东西,它绝对是好东西,你把它烧红了,你随便捏过,但是不能搁手捏啊,铁红了不能摸,摸,它烫手。 记得原来老三学徒那会,师傅不告诉我,我也不懂啊,我上手抓了一下那家伙,我就听滋啦一声冒股烟。所以说这个铁匠活不好学,学了好几年也没学成。评论区有个师傅说了,铁匠这个活眼睛就是瓷 心,就是秤,人家一看这玩意,知道多大,知道多沉,然后下料之后,那是正正好好,不多不少。都说长木匠短铁匠那是二五的, 人家正了八经的,师傅下完料,那是不多不少,正正好好的,咱就看这师傅那哐哐哐的一顿砸,此时 此刻已经烧了第三火了。打铁就是锻造,锻造就是打铁吗?在锻造的过程中,这个铁的温度最好在八九百度,啥时候看这个铁烧的有点发白了,哎,那就到火候了。 如果说这个铁有点红不楞,多多少少的,慢慢的有点发青,那就说明这个铁已经从七百度降到六百度, 这个时候再砸呢,那就等于压光,那就不是塑形了,作为塑形来说,必须得在八百度以上。那有朋友该问了,那你咋知道呢?我刚才不跟你说了吗?我跟师傅学过打铁,我都搁手摸过, 此时此刻这个锤子饼这块的温度在六七百度这样,现在用这个冲子要给他撑撑眼。然后呢,接茬放到炉子里烧,因为这个 做的是啥咱也看了,做的是劈柴的斧子,没事砍个柴,劈个柴的,这小斧子又轻快又好用,而且是弹簧弓子的小钢口,就这玩意耐磨耐造,这一时刻呢,下边给他垫一个小真铁,这个真铁带哨面的, 然后主要是砸这个斧子,这让他继续延展,又扁又平。接下来呢,对这个锤子饼这个口,也继续给他撑大,给他撑圆,都是有撑子有模具的,乒乓的一顿定, 作为大型锻造,也是想停眼子,那就得用撑子撑,用冲子砸。这一时刻,这个空气锤所干的活干完了,接下来呢,就开始手锤的活。今天咱们看这个铁匠炉多了人手,不光铁匠师傅一个人轮锤,现在又 打下垂的,但是打下垂这哥们可魁梧,跟他轮着个大锤,那绝对成正比。如果说你不信,你就等一会铁烧红了,然后你看看他的身材。此时这铁匠师傅又把他这个小火炉子点着了,然后开始生火,生火要把这个斧子 摞成一摞,接着烧,烧红了之后要重新给他定定型,毕竟空气锤砸那活吧,就是砸一个大荒。什么是大荒呢?就是大概轮块, 毕竟细化这个活还得铁匠师傅亲自出手。首先对锤子饼这个口进行整修,给他整圆乎的,然后呢,又开始砸, 其实主要目的呢,就是统一标准在这个铁匠炉出去的这个锤子,哎,这个锤子顶的口都这么大,如果说铁匠炉要是出 出名,还得有个钢印,没人砸个号,什么张麻子王麻子,作为过去来说,那都是打铁的。接下来呢,又烧红了,对这个月牙板又是哐哐的一顿削,这个削呢,就是给他压压关, 都得平整一点,因为这温度你也看了,现在就是六百度左右。这回到了最后一道工序,整体压光, 拿过来压光的锤子,然后旁边那哥们邦邦的一顿大锤削,把这个月牙板给他整的平乎乎的。 那有朋友此时该问了,老关,这也不平乎啊,你还想咋平?作为打铁来说,铁烧红了能捋这么平,那就不一般了,毕竟不是扎钢厂上扎机干的活,而且也不是冲压锻造,这是纯手工的活。 接下来呢,就到了打磨工作,还是边边角角的给他修剪一番,然后把这个斧子这给他磨一磨,这条板斧呢,就算出炉了, 没事,劈个柴砍个树,那是分分钟的事。好了,朋友们喜欢看加工,喜欢看制造,喜欢看汽车维修的朋友记住了,我叫酸不溜,每天分享有趣的汽车故事。