DE1152874B - Device for supplying coolants and / or lubricants when drilling deep holes - Google Patents
Device for supplying coolants and / or lubricants when drilling deep holesInfo
- Publication number
- DE1152874B DE1152874B DED25611A DED0025611A DE1152874B DE 1152874 B DE1152874 B DE 1152874B DE D25611 A DED25611 A DE D25611A DE D0025611 A DED0025611 A DE D0025611A DE 1152874 B DE1152874 B DE 1152874B
- Authority
- DE
- Germany
- Prior art keywords
- lubricants
- drill rod
- deep holes
- coolant
- drill
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
- B23Q11/1007—Arrangements for cooling or lubricating tools or work by submerging the tools or work partially or entirely in a liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B41/02—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for boring deep holes; Trepanning, e.g. of gun or rifle barrels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
- Drilling And Boring (AREA)
Description
Vorrichtung zum Zuführen von Kühl-und/oder Schmiermitteln beim Tieflochbohren Die Erfindung betrifft eine Vorrichtung zum Zuführen von Kühl- und/oder Schmiermitteln beim Bohren von langen Bohrungen mit kleinem Durchmesser, wie sie bei Gewehrläufen, Hydrauhkzylindern, Preßluftgeräten und anderen Maschinenteilen sowohl in Stahl als auch bei Nichteisenmetallen und Kunststoffen vorkommen.Device for supplying coolants and / or lubricants when drilling deep holes The invention relates to a device for supplying coolants and / or lubricants when drilling long holes with a small diameter, such as those used in gun barrels, Hydraulic cylinders, compressed air devices and other machine parts in both steel and also occur in non-ferrous metals and plastics.
Die bekannten Kühhnittelzuführungsvorrichtungen sind so gebaut, daß die Zuführung des Kühlmittels zum Bohrkopf über einen im Innern der Bohrstange durch Einsetzen eines besonderen Rohres gebildeten Ringraum erfolgt. Diese Vorrichtungen haben beim Tieflochbohren, insbesondere kleiner Durchmesser, erhebliche Nachteile.The known coolant supply devices are built so that the supply of the coolant to the drill head via one inside the drill rod Insertion of a special tube formed annulus takes place. These devices have significant disadvantages in deep hole drilling, especially small diameters.
Ferner sind Schmiervorrichtungen für Bohrwerkzeuge bekannt, bei denen das Schmiermittel aus einer ringförmigen Kammer durch um diese gleichmäßig verteilte, sich im wesentlichen in Vorschubrichtung des Werkzeuges erstreckende Kanäle unter Wirkung der Schwerkraft dem Werkzeug zugeführt wird.Furthermore, lubricating devices for drilling tools are known in which the lubricant from an annular chamber through evenly distributed around it, channels extending essentially in the feed direction of the tool Effect of gravity is fed to the tool.
Dieser Vorrichtung liegt jedoch als Aufgabe das Dosieren des Schmiermittels zugrunde. Eine Zuführung des Kühl- bzw. Schmiermittels unter Druck gestattet diese Vorrichtung nicht.However, this device has the task of metering the lubricant underlying. A supply of the coolant or lubricant under pressure allows this Device not.
Die Zuführung des Kühlmittels in den Ringraum, in welchem sich der Hohlbohrer befindet, erfolgt senkrecht zum Bohrer. Bei den erforderlichen Öldrücken von mehr als 80 atü und Ölmengen von mehr als 301 /min bedeutet dies eine unerwünschte Durchbiegung des Bohrrohres, die noch verstärkt wird durch die dem Kühlmittel von der Pumpe vermittelten stoßartigen Impulse. Die hierdurch auftretenden Schwingungen übertragen. sich auf die Schneide und verursachen dadurch ihre frühzeitige Zerstörung. Die erfindungsgemäße Vorrichtung beseitigt die angeführten Nachteile. Es wird durch sie eine nicht verlaufende Bohrung sowie eine kontinuierliche Spanbeseitigung erzielt, so daß besonders schwierig herzustellende lange Löcher ohne Unterbrechung gebohrt werden können.The supply of coolant into the annulus in which the Hollow drill is located perpendicular to the drill. At the required oil pressures of more than 80 atmospheres and oil quantities of more than 301 / min, this means an undesirable one Deflection of the drill pipe, which is exacerbated by the coolant from the pump conveyed jerky impulses. The resulting vibrations transfer. on the cutting edge and thereby cause their premature destruction. The device according to the invention eliminates the stated disadvantages. It will go through it achieves a non-running bore and continuous chip removal, so that particularly difficult to manufacture long holes are drilled without interruption can be.
In der Zeichnung ist der Gegenstand der Erfindung in einem Ausführungsbeispiel dargestellt.In the drawing, the subject of the invention is in one embodiment shown.
Auf dem Bohrrohr 1 sitzt der mit diesem fest verbundene Bohrkopf 2. Durch die Bohrung 3 tritt das Kühl- und/oder Schmiermittel in den Ringraum 4 und dann durch die auf den ganzen Umfang verteilten Bohrungen 5 in den Füllraum 6 und von hier am Bohrrohr 1 entlang zur Schneidstelle vor der Schneide. Die Abdichtung gegenüber dem Werkstück geschieht durch eine Dichtungsscheibe 7. Die Abdichtung nach hinten gegenüber dem Bohrrohr übernehmen die Wellendichtungen B. Die erfindungsgemäße Vorrichtung ermöglicht es, zentrische und exzentrische Bohrungen zur Achse des Außendurchmessers bei mehr als 120 atü Öldruck und einer Abdichtungsfläche von im ungünstigsten Falle nur 2 mm Breite durchzuführen. Es kann mit sich drehendem oder feststehendem Füllraum 6 gebaut werden.The drill head 2 firmly connected to it sits on the drill pipe 1. The coolant and / or lubricant passes through the bore 3 into the annular space 4 and then through the bores 5 distributed over the entire circumference into the filling space 6 and from here along the drill pipe 1 to the cutting point in front of the cutting edge. The waterproofing against the workpiece is done by a sealing washer 7. The seal to the rear opposite the drill pipe take the shaft seals B. The invention Device enables centric and eccentric bores to the axis of the outer diameter at more than 120 atmospheres oil pressure and a sealing surface of in the worst case only 2 mm wide. It can be with a rotating or a fixed filling space 6 can be built.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DED25611A DE1152874B (en) | 1957-05-16 | 1957-05-16 | Device for supplying coolants and / or lubricants when drilling deep holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DED25611A DE1152874B (en) | 1957-05-16 | 1957-05-16 | Device for supplying coolants and / or lubricants when drilling deep holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1152874B true DE1152874B (en) | 1963-08-14 |
Family
ID=7038593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DED25611A Pending DE1152874B (en) | 1957-05-16 | 1957-05-16 | Device for supplying coolants and / or lubricants when drilling deep holes |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE1152874B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1552498A1 (en) * | 1965-06-24 | 1970-07-23 | Wheelabrator Corp | Method and device for drilling holes |
| EP0386244A1 (en) * | 1988-08-23 | 1990-09-12 | Belorussky Politekhnichesky Institut | Device for feeding lubricating-cooling liquid to a cutting instrument |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE133433C (en) * | ||||
| DE955470C (en) * | 1953-10-15 | 1957-01-03 | Maskin R L Carlstedt Fa | Coolant supply device for drilling machines |
-
1957
- 1957-05-16 DE DED25611A patent/DE1152874B/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE133433C (en) * | ||||
| DE955470C (en) * | 1953-10-15 | 1957-01-03 | Maskin R L Carlstedt Fa | Coolant supply device for drilling machines |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1552498A1 (en) * | 1965-06-24 | 1970-07-23 | Wheelabrator Corp | Method and device for drilling holes |
| EP0386244A1 (en) * | 1988-08-23 | 1990-09-12 | Belorussky Politekhnichesky Institut | Device for feeding lubricating-cooling liquid to a cutting instrument |
| EP0386244A4 (en) * | 1988-08-23 | 1992-06-10 | Belorussky Politekhnichesky Institut | Device for feeding lubricating-cooling liquid to a cutting instrument |
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