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Feed rate selecting table in profile machining for ball nose and R end mills

Vorschubwerte für das Formfräsen mit Kugelkopffräsern und Radiuseckfräsern

Ry=R×{1-cos[arc sin(fr/2R)]}

Ry: Theoretical value of surface roughness

P: Feed rate

P R: Ball nose radius or corner radius

Ry: Theoretische Werte der Oberflächenqualität.

P: Vorschub

R: Kugelkopf- oder Radiusfräser

B

Ry RFeed rate P· Vorschub
0.10.20.30.40.50.60.70.80.91.0
0.50.0030.0100.0230.0420.0670.100
1.00.0010.0050.0110.0200.0320.0460.0630.0830.107
1.50.0010.0030.0080.0130.0210.0300.0410.0540.0690.086
2.00.0010.0030.0060.0100.0150.0230.0310.0400.0510.064
2.50.0010.0020.0050.0080.0130.0180.0250.0320.0410.051
3.00.0010.0040.0070.0100.0150.0200.0270.0340.042
4.00.0010.0030.0050.0080.0110.0150.0200.0250.031
5.00.0010.0020.0040.0060.0090.0120.0160.0200.025
6.00.0020.0030.0050.0080.0100.0130.0170.021
8.00.0010.0030.0040.0060.0080.0100.0130.016
10.00.0010.0020.0030.0050.0060.0080.0100.013
12.50.0010.0020.0030.0040.0050.0060.0080.010
RyFeed rate P· Vorschub
R
1.11.21.31.41.51.61.71.81.92.0
0.5
1.0
1.50.104
2.00.0770.0920.109
2.50.0610.0730.0860.100
3.00.0510.0610.0710.0830.0950.109
4.00.0380.0450.0530.0620.0710.0810.0910.103
5.00.0300.0360.0420.0490.0570.0640.0730.0820.0910.101
6.00.0250.0300.0350.0410.0470.0540.0610.0680.0760.084
8.00.0190.0230.0260.0310.0350.0400.0450.0510.0570.063
10.00.0150.0180.0210.0250.0280.0320.0360.0410.0450.050
12.50.0120.0140.0170.0200.0230.0260.0290.0320.0360.040