DE99988C - - Google Patents
Info
- Publication number
- DE99988C DE99988C DENDAT99988D DE99988DA DE99988C DE 99988 C DE99988 C DE 99988C DE NDAT99988 D DENDAT99988 D DE NDAT99988D DE 99988D A DE99988D A DE 99988DA DE 99988 C DE99988 C DE 99988C
- Authority
- DE
- Germany
- Prior art keywords
- knives
- cutting
- cuts
- cutting head
- knife
- 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.)
- Active
Links
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G13/00—Cutter blocks; Other rotary cutting tools
- B27G13/02—Cutter blocks; Other rotary cutting tools in the shape of long arbors, i.e. cylinder cutting blocks
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Milling, Drilling, And Turning Of Wood (AREA)
Description
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KAISERLICHESIMPERIAL
PATENTAMT.PATENT OFFICE.
Die bekannten Messerköpfe für Fräs- und Hobelmaschinen besitzen Messer, deren Schneidkanten parallel zur geometrischen Drehachse liegen. Diese Messerschneiden beschreiben den Mantel eines Cylinders und schneiden aus dem Holz in ihrer ganzen Länge gleichzeitig Späne heraus, d. h. alle Punkte einer Schneide wirken zugleich. In der Oberfläche eines so bearbeiteten Brettes bleiben die Schnitte der einzelnen Messer sichtbar. Die Schnitte erscheinen rauh, weil das Messer in sehr beträchtlicher Weise durch den gemeinsamen Angriff aller Punkte auf der ganzen Länge der Schneide in Anspruch genommen wird. Man hat nun, um glattere Schnitte zu erzeugen, die Messer schräg gestellt, so dafs die Schneiden der Messer in einer Linie liegen, welche zur geometrischen Drehachse geneigt ist.The known cutter heads for milling and planing machines have knives, their cutting edges lie parallel to the geometric axis of rotation. These knife edges describe the Coat a cylinder and cut chips from the wood in its entire length at the same time out, d. H. all points of a cutting edge act at the same time. In the surface of one so machined The cuts of the individual knives remain visible on the board. The cuts appear rough because the knife in a very considerable way by the common attack of all Points along the entire length of the cutting edge is taken. One has now in order to produce smoother cuts, the knives are inclined so that the cutting edges of the Knife lie in a line which is inclined to the geometric axis of rotation.
Solche schräge Messer sind in verschiedener Weise ausgeführt worden. Da die Schneidkante dieser Messer sich quer über die Cylinderfläche erstrecken soll, so mufs dieselbe eine Schraubenlinie oder ähnliche Linie bilden, deren einzelne Punkte auf einem Cylindermantel liegen. Auch diese Messer erzeugen eine Fläche, auf welcher die Schnitte, wenn auch nur wenig, sichtbar bleiben.Such inclined knives have been made in various ways. Because the cutting edge If this knife is to extend across the cylinder surface, it must form a helix or similar line, the individual points of which on a cylinder jacket lie. These knives also create a surface on which the cuts remain visible, even if only slightly.
Zum Unterschiede hiervon sind bei dem den Erfindungsgegenstand bildenden Schneidekopf die Messer mit schrägen Schneiden so angeordnet, dafs sie abwechselnd einen von links nach rechts und einen von rechts nach links ziehenden Schnitt ausführen. Auf diese Weise kreuzen sich die einzelnen Schnitte und ihre Spur auf der zu hobelnden Fläche wird dadurch ganz verwischt und eine an Glätte der durch Handhobelung entstehenden vollständig gleiche Fläche erzielt.In contrast to this, in the case of the cutting head forming the subject of the invention the knives with oblique cutting edges arranged so that they alternate one from left to right and one from right to Carry out a left pulling cut. In this way, the individual cuts and intersect their trace on the surface to be planed is completely obliterated and one in smoothness the completely equal area created by hand planing.
Diese Wirkung wird dadurch erreicht, dafs die Messer abwechselnd in umgekehrter Schräge zu der Schneidekopfachse bezw. dem Mantel des die Grundform des Schneidekopfes bildenden Cylinders stehen. Es können zur Herstellung eines solchen Schneidekopfes alle Arten schraubenförmiger Messer verwendet werden, welche so befestigt werden können, dafs deren Schneiden abwechselnd nach der einen oder anderen Seite schräg gerichtet sind.This effect is achieved by the fact that the knives are alternately inclined in the opposite direction to the cutting head axis respectively. the jacket of the forming the basic shape of the cutting head Cylinders stand. All types of cutting head can be used to manufacture such a cutting head helical knives are used, which can be attached so that their Cutting edges are alternately directed obliquely to one side or the other.
Claims (1)
Publications (1)
Publication Number | Publication Date |
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DE99988C true DE99988C (en) |
Family
ID=370822
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT99988D Active DE99988C (en) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE99988C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008113314A1 (en) * | 2007-03-21 | 2008-09-25 | Sms Siemag Ag | Cylindrical cutter |
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0
- DE DENDAT99988D patent/DE99988C/de active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008113314A1 (en) * | 2007-03-21 | 2008-09-25 | Sms Siemag Ag | Cylindrical cutter |
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