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Found 1 result

  1. Hello! Some time ago I have started the project of wolf teeth spearhead that Niels Provos had posted, and I discovered that in the middle of process So firstly, I want to show you ready spearhead, and then photos of process of forging step by step. Please enjoy and comment The spearhead's socket is 21cm long and blade is 45cm long and 7cm wide, socket is forge welded from old iron, blade is made of 50HF spring steel and low carbon S235 steel. Each teeth is welded from separate piece of tooth. Firstly , I drew the project in the 1:1 scale with every dimension: Then I cut the pieces from steel sheet for blades, twist and core. I used S235 and 50HF 2mm steel sheet. Billets ready for welding, 2 on the right are made of 20-layer only 50HF steel, next is made of 16 layer S235/50HF for twist and the last one on the left is made of 26-layer S235/50HF billet for the core. Now after the first welding, everything is ready for cleaning and cutting. The bar for blades was cut in 5 pieces, so after welding it has 100 layers, The billet for twist was cut into 2 pieces and there was added a solid piece of 50HF steel in the middle, and the bar for core was cut into 4 pieces, so after welding it has around 100 layers. the bars are ready and the longest one will be twisted into 4 separate pieces, on the left there is the test piece for socket to check the dimensions that i need for welding. Preparation of core, shorter pieces are made of s235, loger ones of 50HF steel for contrast. The bars for blades are cut into 3 pieces each, so now they will have 300 layers.. Core is ready and 2 billets are made of 2 pieces of twist There are 2 pieces of welded twist and a piece of bar made of old iron After cleaning and cutting I made a billet from old iron,and also I cut the twist and welded it on the core. The twist was welded with core, and old iron plate for socket is ready. I forged the blade bars into square, 2cmx2cm. Now i forge the shape of blades, after that I cut the teeth in it, and from the piece of round bar s235 I forged the bar, grinded it to shape that matches the teeth grooves, cut it into small pieces, placed it into the grooves and welded it to the blade. There you can see all of the pieces that were used for the welded spearhead. On the right there is the mandrel for welding the socket. Teeth welded into the blade bars. All of the pieces for the blade are welded and ready to forge, The plate for socket is cut and cleaned. And this is the blade after welding it into one piece. There is the plate after rolling it on the mandrel. And this is how it looks after welding process. I welded on the swage block, before welding I heated the mandrel up to the orange temperature, and when socket reached welding temperature, I placed the mandrel inside it and welded it on the swage block, after each welding I removed the mandrel, heated up the socket and so on. Then I welded the socket into the rest of the spearhead, grinded it and heat treated. This is how it looks after the heat treating. And ready for etching the spearhead. Regards, Rafał Garbacik.
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