Lubricating oils and ointments
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188. Cooking machine oil. 189. Purification of lubricating oils. 190. Oil for engine wheels.
191. Lubricant for sewing machines. 192. Grease for broaching presses. 193. Lubricant for sealing cranes.
194. Lubricant used in drilling very hard steel. 195. Lubrication used when cutting screws.
196. Wheel ointment. 197. English wheel ointment. 198. Belgian Wheel Ointment. 199. Hoofed ointment.
188. Cooking machine oil.
Various small machines require very clean oil to lubricate their metal parts, and bone oil is usually recommended for this. However, not to mention the fact that it is relatively expensive, it is not always easy to get. In view of this, we consider it necessary to bring the following simple method of preparing very good engine oil. They take a tall glass jar (jar), pour into it 2/3 of good vegetable oil (for example, sunflower oil) and immerse the lead plate there too: the larger the surface of the latter, the better, and therefore it is best to give it a cylindrical shape (piece of pipe) . The height of the plate should correspond to the level of oil, and the oil should come into contact with its entire surface. Then the vessel is closed tightly with a lid and placed for 2-3 months in a place where it would be subjected to shaking: during this time all impurities of oil will settle partially on the surface of this plate, partially on the bottom of the vessel. Then carefully remove the plate and drain the oil into a new vessel for storing oil. The oil purified in such a way can quite replace expensive bone oil.
189. Purification of lubricating oils.
If a used lubricating oil contains some dirt or metal particles, it does not lose its properties from this and can be used further after purification from these impurities. For this purpose, the oil is collected in special tanks, in which the crane is located at a height of 5 -10 cm from the bottom, because all impurities sink to the bottom. Deposition and lunge of metal particles can be accelerated if the tank is put in a warm place. The oil discharged from the tank is filtered through another 2-3 layers of flannels or webs, each layer of matter being placed at a distance of 6 cm from each other. Animal fats and vegetable oils that have run down due to consumption or give an acidic reaction, cause corrosion and damage to surfaces. trunnion Therefore, it is necessary to destroy the acidity of such oils, which is best achieved by washing them in lime water. The oil purified in this way floats to the surface of the water and can be consumed again.
190. Lubrication for engine wheels.
Take 200 parts of rapeseed oil, 1 part of mercuric chloride and water, at discretion, boil with constant stapling on an open fire until saponification. The vessel is then transferred to a water bath and 100 parts of vaseline oil, 150 parts of bovine fat and 30 parts of talc are added.
191. Oil for sewing machines.
Take 1 part of rapeseed oil, heat to 50 ° C and mix 3 parts of vaseline oil.
192. Grease for broaching presses.
Dissolve 5 kg of soap in 5 liters of water and heat the solution to 60 "C. Mix 3 liters of wooden oil and 2 liters of glycerin. To the resulting mixture add 500 g of strong ammonia and so much hot water so that the total volume of the mixture is 25 liters. Consumed heated as.
193. Lubricant for sealing cranes.
In order to prepare a sealing mixture for cranes, we advise you to take 2 parts of fat and 2 parts of wax and mix. A mixture for consuming glass stoppers is prepared by mixing together equal parts of glycerin and paraffin.
194. Lubricant used in drilling very hard steel.
We recommend the following composition: mix 1 part camphor alcohol with 4 parts turpentine, pour steel on it and allow it to stand for a while.
195. Lubrication used when cutting screws.
1) A mixture of rapeseed oil or boiled lard with turpentine.
2) A mixture of rapeseed or boiled lard with liquid mineral oil.
3) A mixture of rapeseed oil, blubber or soap with a concentrated soda solution, for example: 1 part of the oil is boiled and mixed with 10 parts of the soda solution.
196. Wheel ointment.
The cold preparation of the wheel ointment is based mainly on the property of tar (rosin) oil to combine with lime. For this purpose, use fatty slaked lime containing at least 96% pure lime. The presence in it even 5-8% of magnesia already worsens the final product. Good lime is easily dissolved in rosin oil at 15-20 | С. To their mixture are added heavy grades of mineral oils. Mineral oil is mixed with well dried slaked lime in the tank for half an hour and the mixture is passed through a sieve, the mesh of which has 25-30 holes per 1 cm2. Large pieces, retained in the sieve, are ground so that they freely pass through it. Then oil residues, coloring matter are added to the mixture and, if they find it advantageous, other neutral mineral substances are thoroughly mixed again, and finally, without interrupting mixing, resin oil is added, and the mixture thickens. A good wheel ointment should have the consistency of butter.
Below we give the following recipes for making good varieties of wheel ointments in a cold way.
1) 75 parts of heavy mineral oil
10 pieces of hydrated lime,
15 parts of tar oil.
2) 36 parts of heavy mineral oil
36 parts of oil residue
12.5 parts of hydrated lime,
15.5 parts of resin oil.
3) 60 parts of heavy mineral oil
18 pieces of gypsum,
9 pieces of hydrated lime,
13 parts of tar oil.
4) 20 parts of heavy mineral oil,
23 parts of oil residue
8.5 parts of hydrated lime,
40 parts of gypsum,
8.5 parts of tar oil.
197. English wheel ointment.
Melt 1 part of the lard and add 1 part of the lead white and 1 part of the mercury ointment.
198. Belgian Wheel Ointment.
Take 10 parts fresh lime with powdered lime, 30 parts of crude petroleum jelly, 1 portion of caustic potassium, water at discretion, wash when heated and add 30 portions of birch tar, 80 parts of petroleum jelly, 80 parts of talc and burnt bone or soot as needed.
199. Hoofed ointment.
2-3 parts of ozokerite,
8 parts of vaseline oil,
1 piece of soot.
12 pieces of rosin,
17 parts of bovine fat
2 pieces of japanese wax,
5 pieces of warrior
3 pieces of soot.
10 parts of bovine fat
2 pieces of yellow wax,
2 pieces of birch wax,
2 pieces of war
1 piece of soot.
2 pieces of gutta percha,
1 part of ammoniac gum.
Before use, the mass is softened in hot water and injected into pre-cleaned cracks of the hoof.