Shared February 20, 2020
In today's video I would like to show you the renovation of a rusty bone grinder by the German company Heureka, which was awarded the medal in Leipzig in 1910.
I found the mill in a metal scrap where it was ready to melt.
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I'm sorry for my bad English, it's not my language.
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youtube channel https://www.youtube.com/user/veradona1
00:01 Presentation of the finding state
00:50 Coarse rust cleaning with a steel brush
01:23 Application of bolt and nut releaser
02:00 Attempt to loosen rusted screws
03:03 The stud had to be drilled
04:47 After unsuccessful attempts to loosen the screws, I decided to heat the screws with flame.
06:30 Since even the warm-up did not help to remove the shaft, I used a press off-hook. Lis jumped and how it turned out :(
06:40 I cleaned the metal parts with the ring disc.
06:25 For quality welding of the broken part it was necessary to sharpen the parts for V weld.
09:33 CO2 welding followed.
09:50 It was necessary to sand the welds after welding.
10:12 Grinded seams were sealed with two-component polyester putty.
11:40 It was necessary to deliver the missing handle (I still have supplies :))
But I had to adjust it because the oval was a square and I needed a triangle.
13:33 After cooking the handle, I put it in the fire to release the tension in the welds.
13:50 I cleaned the handle while the handle was warming up.
14:09 All metal parts were painted with a tannin rust remover.
15:09 I applied graphite to the non-staining areas to have a nice metallic color. Then it is necessary to apply colorless varnish otherwise graphite would stain.
16:17 Gluing places that will not stain.
16:52 Top acrylic paint RAL 7001
17:20 Shaft adjustment.
18:01 Handle Compilation.
18:38 It was necessary to make a lever.
20:20 Production of a new pin.
20:50 I chose an acrylic spray, chrome-plated, to highlight the letters.
21:22 Food grease was applied to lubricate the sliding surfaces.
21:50 And the assembly of the bone grinder began.
23:45 Comparison before and after renovation.
23:53 Test followed, but first we had to make bones :)
25:25 Reward for faithful helper :)
26:28 Tes was successful. We can give the bones this ground to the hens :)
Here you can support our channel. Thank you Veronika and Radek :)
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