DE508290C - Process for the production of pole pieces for magneto-electric ignition devices - Google Patents
Process for the production of pole pieces for magneto-electric ignition devicesInfo
- Publication number
- DE508290C DE508290C DEH117803D DEH0117803D DE508290C DE 508290 C DE508290 C DE 508290C DE H117803 D DEH117803 D DE H117803D DE H0117803 D DEH0117803 D DE H0117803D DE 508290 C DE508290 C DE 508290C
- Authority
- DE
- Germany
- Prior art keywords
- pole pieces
- magneto
- production
- electric ignition
- ignition devices
- 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.)
- Expired
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 238000000034 method Methods 0.000 title claims 2
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/17—Stator cores with permanent magnets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Milling Processes (AREA)
Description
508 29Ö508 29Ö
Zur Herstellung von Polschuhen für magnetelektrische Zündapparate, insbesondere bei der Massenfabrikation, ist es bekannt, ein der Polschuhform entsprechendes Profileisen in beliebiger Länge zu walzen und Einzelstücke davon abzuschneiden. Die weitere Bearbeitung dieser Einzelstücke ergibt die Schwierigkeit, eine einwandfrei kreisbogenförmige Wandung zu erhalten, derart, daß der ίο Luftspalt zwischen Polschuhen und Anker mal beim Auslaufen ins Freie tritt und dann gleiche Breite besitzt sowie auch, wie dies die Austauschbarkeit erfordert, daß bei der Auswechslung von Polschuhen die Breite des Luftspaltes die gleiche bleibt wie vorher. Diese Schwierigkeiten entstehen dadurch, daß beim Bearbeiten des vom Profilstab abgeschnittenen Einzelstückes der Bohrstahl jedesmal beim Auslaufen ins Freie tritt und dann an der anderen Seite wieder frisch an dem Werkstück anfassen muß, so daß eine genaue kreisrunde Ausbohrung nicht möglich ist.For the production of pole pieces for magneto-electric ignition devices, in particular in mass production, it is known to use a profile iron corresponding to the pole shoe shape to roll in any length and cut off individual pieces. Further processing these unique pieces result in the difficulty of creating a perfectly circular arc Wall to get such that the ίο air gap between pole pieces and armature sometimes when leaking outside and then has the same width as well, like this the interchangeability requires that when changing pole pieces the width of the Air gap remains the same as before. These difficulties arise because when processing the individual piece cut off from the profile bar, the drill steel every time steps outside when leaking and then freshly on the other side again Must grip the workpiece, so that an exact circular bore is not possible.
Zur Behebung dieser Mängel hat man versucht, die Polschuhe aus einer kreisrunden Röhre durch Aufschneiden und Abstechen zu bilden. Hierbei ergibt sich jedoch der Nachteil, daß die Pole des permanenten Feldmagneten nicht genügend Berührung mit den Polschuhen erhalten können, da diese nur in einer Ebene nach einer Sekante von den Magnetbügelenden angeschnitten werden, so daß also die Enden der Polschuhe frei in die Luft ragen.To remedy these deficiencies, attempts have been made to make the pole pieces from a circular Form a tube by cutting open and parting. However, this has the disadvantage that the poles of the permanent field magnet can not get enough contact with the pole pieces, since these only in one level after a secant of the magnetic bracket ends are cut, so so that the ends of the pole pieces protrude freely into the air.
Gemäß der Erfindung werden die Polschuhe aus einer mehrkantigen Röhre von beliebiger Länge durch Abstechen und Aufschneiden gebildet. According to the invention, the pole pieces are made of a polygonal tube of any Length formed by parting and slicing.
Dieses Verfahren zur Herstellung von Polschuhen zeigt den Vorteil, daß die Polenden des permanenten Stahlmagneten bis zu ihrem äußersten Ende an den Polschuhen anliegen können, wodurch eine bedeutend bessere Wirkung des Zündapparates erzielt wird, als wenn die Enden der Polschuhe frei in die Luft ragen, wie dies der Fall ist, wenn ein Rohrstück von dem Magnetbügel angeschnitten wird.This method of manufacturing pole pieces has the advantage that the pole ends of the permanent steel magnet are in contact with the pole pieces up to their extreme end can, whereby a significantly better effect of the ignition apparatus is achieved than if the ends of the pole pieces protrude freely into the air, as is the case with a piece of pipe is cut by the magnetic bracket.
Die Zeichnung veranschaulicht ein Ausführungsbeispiel des Erfindungsgegenstandes bei einer dreikantigen Röhre.The drawing illustrates an embodiment of the subject matter of the invention with a triangular tube.
Abb. ι zeigt einen Magnetbügel mit angebauten Polschuhen, Fig. Ι shows a magnetic bracket with attached pole pieces,
Abb. 2 die Querteilung der einzelnen Rohrstücke undFig. 2 the transverse division of the individual pipe sections and
Abb. 3 die Längsteilung der dreikantigen Röhre.Fig. 3 the longitudinal division of the triangular tube.
In den Darstellungen sind α und O1 die Polschuhe, die in einen Magnetbügel f eingebaut werden, b ist eine dreikantige Röhre von beliebiger Länge, die nach ihrer mittels eines Bohrstahles erfolgten Bearbeitung durch Abstechstähle e o. dgl. in einzelne Rohrstücke abgeschnitten wird, deren Länge sich je nach der gewünschten Polschuhbreite richtet. Diese Rohrstücke werden hierauf in ihrer Längsrichtung an den Stellen C1, c2 und C3 durch Fassonfräser d o. dgl. in drei gleiche Teile aufgeschnitten, wodurch sich drei absolut genaue Polschuhprofile bv b2 und b3 ergeben. In the representations, α and O 1 are the pole shoes that are built into a magnetic bracket f , b is a triangular tube of any length which, after it has been machined by means of a drill steel, is cut into individual pieces of pipe using parting tools e or the like Length depends on the desired pole piece width. These pipe pieces are then cut into three equal parts in their longitudinal direction at points C 1 , c 2 and C 3 by means of shaped milling cutters d or the like, resulting in three absolutely precise pole shoe profiles b v b 2 and b 3 .
Naturgemäß kann an Stelle der gleichen Drittelteilung der mehrkantigen Röhre auch eine andere Teilung vorgenommen werden, je nach der Form, die die einzelnen Polschuhe erhalten sollen.Naturally, instead of the same third division, the polygonal tube can also a different division can be made, depending on the shape of the individual pole pieces should receive.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEH117803D DE508290C (en) | Process for the production of pole pieces for magneto-electric ignition devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEH117803D DE508290C (en) | Process for the production of pole pieces for magneto-electric ignition devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE508290C true DE508290C (en) | 1930-10-13 |
Family
ID=7172912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEH117803D Expired DE508290C (en) | Process for the production of pole pieces for magneto-electric ignition devices |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE508290C (en) |
-
0
- DE DEH117803D patent/DE508290C/en not_active Expired
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