From circular knives, no matter where they worked in agricultural units, in the fields or in industrial plants, — wear out really fast sharp working edge. Therefore, innovators tend to find the most effective method of restoring the load of the tool.UNIVERSAL STRAP
Rationalization proposal Lyubertsy student of secondary school № 42 of Konstantin Shishkin. If you need to turn on a lathe a few identical parts rather complicated configuration, it makes sense to use a universal strap-holder which can be mounted a set of cutters. It is made very simply is a steel bar with a groove Read more…




Can we call today an industry where not carried to its good welding is a fast and reliable method of joining parts from different metals and alloys. Not accidentally, the interests of many young innovators are concentrated “around the electrode.” The army’s innovators N. Khvorostiv M. Bokov, S. Privateer built the unusual torch for arc welding in shielding gases. It is intended for the qualitative connection performance parts, made of steels and aluminum alloys.
Existing disk device for mechanized spreading of fertilizers do not always provide the uniformity and range of distribution of fertilizers on the field.
…drill press, which I use for several years and are quite happy. Make it can anyone who loves tinkering. The design shown in Fig. The drill is fixedly mounted in the upper part of the Jack by two clamps of flat steel. Gasket between her and Jack is a wooden block. The table is made of steel profiles, U-shape, it fit in with the moving end of the Jack bolt M8. To make the machine more stable, its abutment provorachivayut to any lasting basis.
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All good loggia! The only drawback — it is vulnerable to a slanting rain or snow. Some glazed it, turning it this way in the apartment, but this measure can not be recommended — the glassing of recessed balconies prohibited, because additional window cover holds fluorescent light and also gives the facade a slovenly appearance.
To various tool holders, cartridges and heads, clamping a working tool in addition to reliability, is increasingly imposed and such requirements as simplicity, convenience and fast-shift. It is these qualities in the first place and is distinguished by a new Chuck for horizontal boring machines created by young innovators Odessa plant of milling machines named after S. M. Kirov.
the heavier the car or the unit, the more powerful Jack is required for lifting during the repair in the workshop or in the field. But the more powerful the lift, so it is heavier, and this means that it will require more effort — those who it is intended… to save.