INSTALLATION FOR SANDBLASTING AND POLISHING PIPES INTERNALLY
The invention relates to an installation for sandblasting and polishing pipes internally, meant for the internal machining of various hollow parts. According to the invention, the installation is provided with some bearing pulleys (17) engaging a semifinished pipe (16) into a rotation motion, some a...
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Format: | Patent |
Sprache: | eng ; rum |
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Zusammenfassung: | The invention relates to an installation for sandblasting and polishing pipes internally, meant for the internal machining of various hollow parts. According to the invention, the installation is provided with some bearing pulleys (17) engaging a semifinished pipe (16) into a rotation motion, some abrasive granules (2) placed in a storage hopper (1) connected to a conveying ejector (5) passing through a mobile pipe (10) driven by a boring bar (11) to a centrifugal thrower (A) for the internal sandblasting of pipes (16). In order to perform the internal polishing, the mobile pipe (10) is provided with a polishing head (B). The pipe (10) is driven by an electric motor (21) by means of some belt pulleys (18 and 20) and of a drive belt (19).
Invenţia se referă la o instalaţie de sablare şi polizare interioară a ţevilor, destinată prelucrării interioare a diferitelor piese tubulare. Instalaţia conform invenţiei este prevăzută cu nişte role de susţinere (17), care antrenează o ţeavă semifabricată (16) în mişcare de rotaţie, iar nişte granule abrazive (2), aflate într-un buncăr (1) legat de un ejector de transport (5), trec printr-o ţeavă mobilă (10), antrenată printr-o borştangă (11), la un aruncător centrifugal (A), pentru sablarea ţevilor (16) la interior. Pentru realizarea polizării interioare, se echipează ţeava mobilă (10) cu un cap de polizat (B). Ţeava (10) este acţionată de un motor electric (21) prin intermediul unor fulii (18 şi 20) şi a unei curele de transmisie (19). |
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