
The HF type high efficiency cutter for aluminum alloy achieves machining without burrs using a unique insert shape. New HFFH types with oil holes and BBT30 (BIG-PLUS™BT30) integrated arbor types are available.
Work Material ( )
・Aluminum and aluminum alloys Not suitable for ・Other non-ferrous metal cast iron or steel. ■ Characteristics Achieves high-efficiency milling with V of over 20,000mm/min thanks to more teeth (3 edges per inch). f
High Feed, High-efficiency Milling with more teeth Conventional Tool 2,880mm/min2,880mm/min f =0.08mm/t z 3.4 Times Machining Efficiency3.4 Times Machining Efficiency3.4 Times Machining Efficiency HFF12080R 9,800mm/min f =0.16mm/t z
| 0 | 2,500 | 5,000 | 7,500 | 10,000 | ||||
| v | ||||||||
| f (mm/min) | ||||||||
| ●Maximum Allowable Spindle Speed and Feed Rate | ||||||||
| Cutter | n max | v | f | Max. No. of Teeth | v | |||
| c | z | f | ||||||
| Work:Aluminum Case (Frame Milling) | (mm) | (min -1) | (m/min) | (mm/t) | (Edges ) | (mm/min) | ||
| Tool: HFF12080R-25.4 (ø80 10 Flutes), | ø80 | 11,000 | 2,763 | to 0.2 | 10 | to 22,000 | ||
| Conventional (ø80 6 Flutes) ø100 | 9,500 | 2,983 | to 0.2 | 12 | to 22,800 | |||
| ø125 | 7,500 | 2,944 | to 0.2 | 15 | to 22,500 |
| Drastically reduces burrs by | Conv. Edge | Double-Chamfe Edge |
| preventing the plastic deformation | Main Chamfer |
| that causes burrs. | 25° | 25° | |
| Sub Chamfer |
0.416mm Burrs are formed. No Burrs
Work Material:A6061 Blanks Cutting Conditions:v =3,142m/min, f =0.10mm/t, c z a =0.5mm, Dry
p
Clamping U Unclamping
Anti-scattering Anti-scattering Stopper Stopper 6.0 Enables Easy Run-Out Correction N m HFJ Do not exceed the maximum allowable spindle speed (n max) specified for each cutter diameter. (*See the table on the upper right.)
M (* Given the condition of normal wear with ap of 1.4mm or less)
Regrinding Portion The regrinding amount has been significantly increased compared to conventional screw-lock types.
SUMIDIA The effect of internal coolant controls chip blockages and packing in the work SUMIDIA Binderless material and improves tool life. (Use an arbor that supports internal coolant.) SUMICRYSTAL
BIG-PLUS™ is a trademark of BIG DAISHOWA SEIKI CO., LTD. Can also be used with BT30 spindle machines.