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1 Names of End Mill Parts - M'La Sales Corporation

1 Names of End Mill Parts Overall length Length of Cut Flatted Shank Only Screwed Shank Only Mill Dia. Shank Dia. END MILL GUIDE. End Cutting Edge Concavity Angle Back Taper Radial Land End Gash Flute Helix Angle Radial(Primary). Relief Angle Radial(Secondary) Axial(Secondary) Clearance Angle Radial Rake Angle Clearance Angle Axial(Primary) Relief Angle Axial Rake Angle 2 Type of End Mill D D D D. Square End Mill Ball Nose End Mill Radius End Mill Taper End Mill Taper Ball End Mill 320 FAX : +82(32)526-4373. Speed, feed and depth of cut are the most important factors to consider for best results in milling. Improper feeds and speeds often cause low production, poor work REVOLUTION.

FAX : +82(32)526-4373 321 END MILL GUIDE Feed is usually measured in milimeters per minute. It is the product of feed per tooth times …

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Transcription of 1 Names of End Mill Parts - M'La Sales Corporation

1 1 Names of End Mill Parts Overall length Length of Cut Flatted Shank Only Screwed Shank Only Mill Dia. Shank Dia. END MILL GUIDE. End Cutting Edge Concavity Angle Back Taper Radial Land End Gash Flute Helix Angle Radial(Primary). Relief Angle Radial(Secondary) Axial(Secondary) Clearance Angle Radial Rake Angle Clearance Angle Axial(Primary) Relief Angle Axial Rake Angle 2 Type of End Mill D D D D. Square End Mill Ball Nose End Mill Radius End Mill Taper End Mill Taper Ball End Mill 320 FAX : +82(32)526-4373. Speed, feed and depth of cut are the most important factors to consider for best results in milling. Improper feeds and speeds often cause low production, poor work REVOLUTION.

2 Quality and unnecessary damage to the cutter. This section covers the basic principles of speed and feed selection for milling cutters and end mills . It will serve as a guide in setting-up naew milling jobs. Geschwindigkeit, Vorschub und Schnittiefe sind die wichtigsten Faktoren, um das beste Fr sergebnis zu erzielen. Ungeeignete Vorsch be und Geschwindigkeiten DEPTH OF CUT FEED. verursachen oft niedriege Produktivit t, schlechte Bearbeitungsqualit t und unn tige Besch digung des Fr sers. INTERRELATIONSHIP OF THREE FACTORS. Dieser Abschnitt beinhaltet die Basisprinzipien von Geschwindigkeit- und Vorschubauswahl f r Fr ser und Scheibenfr ser.

3 Dieser Abschnitt sollte als ein Setting up-F hrer neuer Fr saufgaben dienen. 3 SPEEDS / Geschwindigkeit END MILL GUIDE. In milling, SPEED is measured in peripheral feet per minute.(revolution per minute times cutter circumference in feet) This is frequently referred to as peripheral speed cutting speed or surface speed . Beim Fr sen, Geschwindigkeit ist gemessen in Bogenl nge pro Minute. Dies wird oft als peripheral speed', cutting speed' oder surface speed' bezeichnet. V : Cutting Speed(m/min) / Schneidgeschwindigkeit 1000V. Revolutions per Minute N= D : Diameter of Tool(mm) / Werkzeugdurchmesser Umdrehung pro Minute D. N : Revolution per minute(rev/min) / Umdrehung pro Minute : They will have to be tempered to suit the conditons ON THE JOB.

4 For example: Dies mu der jeweiligen Aufgabe angepa t werden. Zum Beispiel: Use Lower Speed Ranges For Use Higher Speed Ranges For / Niedrige Geschwindigkeitsbereiche f r / Hohe Geschwindigkeitsbereiche f r Hard materials / Hartes Material Softer materials / Weiches Material Tough materials / Rauhes Material Better finishes / Bessere Oberfl cheng te Abrasive materials / Abrasives Material Smaller diameter cutters / Kleinere Fr serdurchmesser Heavy cuts / Heavy cut Light cuts / Light cut Minimum tool wear / Minimale Werkzeugabnutzung Frail work pieces or set-ups / Zerbrechliche st cke oder Set-up Maximum cutter life / Maximale Standzeit Hand feed operations / Handarbeit Maximum production rates /

5 Maximale Produktivit t Non-metallics / Nichtmetallische Werkstoffe 4 FEEDS / Vorschub 4 Feed is usually measured in milimeters per minute. It is the product of feed per tooth times revolution per minute times the number of teeth in the cutter. Due to variations in cutter sizes, numbers of teeth and revolutions per minute, all feed rates should be calculated from feed per tooth. Feed per tooth is the basis of all feed rates per minute, whether the cutters are large or small, fine or coarse tooth, and are run at high or low peripheral speed. Because feed per tooth affects chip thickness. It is a very important factor in cutter life.

6 Highest possible feed per tooth will usually give longer cutter life between grinds and greater production per grind. Excessive feeds may over load the cutter teeth and cause breakage or chipping of the cutting edges. The following factors should be kept in mind when using the recommended starting feed per tooth. Vorschub wird meist in Milimeter pro Minute gemessen. Er ist das Produkt von Vorschub pro Zahn, Umdrehung pro Minute oder der Anzahl der Z hne am Werkzeug. Aufgrund der Variationen in Fr sergr en, Anzahl der Z hne und Umdrehungen pro Minute, Vorsch be sollten mit Vorschub pro Zahn gerechnet werden. Vorschub pro Zahn ist die Basis f r alle Vorschubraten pro Minute unabh ngig davon, ob die Fr ser gro , klein, mit Fein- oder grobgewinde und mit hoher- oder niedriger Bogengeschwindigkeit arbeiten.

7 Vorschub pro Zahn beeinflu t Spandicke, was f r ein Werkzeug ein sehr wichtiger Faktor ist. H chstm glicher Vorschub pro Zahn verursacht meist l ngeres Werkzeugleben zwischen Abnutzung und Produktivit t pro Abnutzung. Exzessiver Vorschub dagegen wird den Werkzeugzahn berbelasten und Besch digungen oder Abbr kelungen von Schneidkanten verursachen. Bei der Nutzung von empfohlenen Vorsch ben pro Zahn sollten folgende Faktoren ber cksichtigt werden. FAX : +82(32)526-4373 321. Feed in milimeters per Minute / Vorschub in Milimeter pro Minute = : Feed per Revolutions in milimeters / Vorschub pro Umdrehungen pro Minute .: Revolutions per Minutes / Umdrehungen pro Minute The following factors should be kept in mind when using the recommended stating feed per tooth.

8 Use Higher Feeds For Use Lower Feeds For / H herer Vorschub f r / Niedrigerer Vorschub f r END MILL GUIDE. Heavy, roughing cuts / Heavy cut, Schruppfr sen Light, and finishing cuts / Light cut, Finishing cut Rigid set-ups / Robustes Werkst ck Frail set-ups / Zerbrechliches Material Easy-to-machine work materials / Leicht fr sbares Material Hard to machine work materials / Schwer fr sbares Material Rugged cutters / Robuster Fr ser Frail and small cutters / D nne, kleine Fr ser Slab milling cuts / Scheibenfr sen Deep slots / Tiefnuten Low tensile strength materials / Material von niedriger Zugfestigkeit High tensile strength materials / Material von hoher Zugfestigkeit Coarse tooth cutters / Grobgewinde-Fr ser Fine tooth cutters / Feingewinde-Fr ser Abrasive materials / Abrasives Material SPEED AND FEED CALCULATIONS.

9 FOR MILLING CUTTERS AND OTHER ROTATING TOOLS. TO FIND HAVING FORMULA. Surface(or Periphery) Diameter of Tool in milimeters =D D Speed in meter V=. Per Minute= Revolutions per Minute = 1000. Revolutions Surface Speed in meter per Minute = V 1000. Per Minute= Diameter of Tool in milimeters =D D Feed per Revolution Feed in milimeters per Minute = in Revolution per Minute = Feed in milimeters Feed per Revolution in milimeters = Per Revolution per Minute = Number of Cutting Teeth Number of Teeth in Tool =T. per Minute= Revolution per Minute = Number of Teeth in Tool =T Feed per tooth= Feed per Revolution in milimeters = T. Number of Teeth in Tool =T.

10 Feed per Tooth= Feed in milimeters per Minute = T Speed in Revolution per Minute = 322 FAX : +82(32)526-4373. 5 CASE OF RESHARPENING / Nachschleiff lle When the product finish become worse, the cutting edge must get dulled, chips become smaller and the cutting sound gets louder. In such cases, a end mill must be resharpened. The following are the damages of end mills when the resharpening is required. Wenn die Schneidkante abstumpft, verschlechtert sich die Bearbeitungsqualit t, Span wird k rzer und das Fr sger usch wird lauter. In solchen F llen mu der Fr ser nachgeschliffen werden. Folgend sind Besch digungen an Fr ser, die das Nachschleifen n tig machen.


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