Каталог Iscar монолитные сверла 2022 - страница 28

Coolant Pressure and Volume Recommendations

60

Tool Diameter (mm) Required Coolant Pressure Required Coolant Volume Optimum pressure Optimum volume Good pressure Good volume

Minimum pressure Minimum pressure

Required coolant pressure and volume for SCD

drills with internal coolant spiral nozzles.

Force and Power Characteristics

Feed Force

(kN)

3.0 2.5 2.0

1.5

1.0

0.5

0.0

2 4 6 8 10 12 14 16 18

Drill Diameter (mm) f=0.30 mm/rev f=0.25 mm/rev f=0.20 mm/rev

Net Power Consumption

(kW)

3.0

2.5 2.0

1.5

1.0

0.5

0.0

2 4 6 8 10 12 14 16 18

Drill Diameter (mm) f=0.30 mm/rev f=0.25 mm/rev f=0.20 mm/rev

Material: SAE 4340

Speed: 100 m/min

Values may change for different materials and

drilling conditions.

Stability

The stability of the application volume is important in order

to obtain the very best tool life and hole accuracy. Check

the condition of the machine spindle, fixture and fixturing

of the component to secure maximum stability and rigidity. Unstable conditions can cause tool breakage.

Stationary Drill Rotating Drill

Max 0.02 mm

Max 0.02 mm

Correct Direction Incorrect Direction

External Coolant External Coolant

Tool Life

Drills should not be used with flank wear

exceeding 0.2-0.3 mm.

0.2-0.3 mm