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EAN / GTIN:
Manufacturer number:
Cat. No.:
GARANT Master Alu SlotMachine solid carbide roughing end mill with through-coolant HPC, DLC, ⌀ e8 DC: 20mm
Article no.: 205255 20
Article code:
Product details
Technical Data
| Coating | DLC | |
| Machining strategy | HPC | |
| Number of effective cutters (peripheral side) Z | 4 | |
| Cutter diameter Dc | 20 mm | |
| Cutting edge length Lc | 41 mm | |
| Overall length L | 104 mm | |
| Shank diameter DS | 20 mm | |
| Twist angle | 42 degrees | |
| Tolerance class | e8 | |
| Max. cutting depth L2 | 20 mm; 41 mm | |
| Corner radius R | 0.5 mm | |
| Tool material | solid carbide | |
| Gauge length A | 58 mm | |
| Through-coolant | yes | |
| Entry of cooling lubricant | with cooling lubricant entry, axially concentric | |
| Escape of cooling lubricant | with cooling lubricant exit, axially concentric | |
| Cooling lubricant | yes | |
| Series | Master Alu | |
| Manufacturer’s designation | GARANT Master Alu SlotMachine VHM-Schruppfräser mit Innenkühlung | |
| Interface position | on the machine | |
| Holder type | plain shank | |
| Holder shape | Standard | |
| Length of shank LS | 52 mm | |
| Holder diameter, lower dimension | -0.013 mm | |
| Shank type | HA | |
| Standard designation for cutting medium, 2nd Priority | solid carbide | |
| Standard designation for cutting medium, 3rd Priority | solid carbide | |
| Cutting media, manufacturer’s designation | VHM | |
| Tolerance of cutter diameter | tolerance class ISO | |
| Recess diameter D1 | 19 mm | |
| Head length L3 | 41 mm | |
| Shoulder length | 52 mm | |
| ISO milling cutter type | L | |
| Balancing quality | G 2,5 mit HA | |
| Relief angle | 0 degrees | |
| Side rake angle | 0 degrees | |
| Number of effective cutters (end face) Z | 4 | |
| Twist direction | right-hand | |
| Helical pitch | 42 mm | |
| Corner / edge | 1 | |
| Corner version | as radius | |
| Spacing of the cutters | unequal spacing | |
| Direction of infeed | horizontal, oblique and vertical | |
| Helix angle characteristic | unequal spacing | |
| Interface | joint 1 | |
| Functional length | 52 mm | |
| Max. speed | 13,000 min-1 | |
| Weight | 346 g | |
| Cutting direction | right-hand cutting | |
| Tool version | solid carbide | |
| Standard | DIN 6527 | |
| Machining method | circular milling (round milling) (FZI); countersinking (plunge milling) (FSE); hobbing (FWA); parting-off milling (FTR); shoulder milling (FEC); slot drilling (keyway cutting) (FNB); slot milling (FNU) | |
| Colour ring | yellow | |
| Type of product | shoulder mill | |
| Content | single part | |
| Correction factor fz | 3 | |
| Cutting depth min. | 0.5 mm |
Identification & Classification
| Article number | 205255 20 | |
| EAN / GTIN | 4062406122423 | |
| Manufacturer number | 205255 20 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
450
N
400
N
380
N
120
N
100
N
160
N
200
Description
Version:
For roughing.
Special profile for machining non-ferrous metals.
Improved chip evacuation due to central through-coolant.
Special profile for machining non-ferrous metals.
Improved chip evacuation due to central through-coolant.
Advantage:
Optimised flute form, eccentric relief ground, generous chip spaces.
Up to 2 × D into solid material at very high feed rates and smooth cutting action.
Ramping capability up to 45°.
Very high feed rates when plunging vertically, thanks to special plunging geometry.
Up to 2 × D into solid material at very high feed rates and smooth cutting action.
Ramping capability up to 45°.
Very high feed rates when plunging vertically, thanks to special plunging geometry.
Note:
For HB shanks use order No. 205256.