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Chip 1997 March
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CHIP Mart 1997.iso
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SurfCam
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SURFCAM.Z
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GEAR.CFG
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1996-04-01
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2KB
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# N - Number of Teeth in the gear (Input in the dialog box)
# DP - Diametral Pitch of the gear (Input in the dialog box)
# P - Pitch diameter of the gear
# A - Addendum of the gear. Outside diameter = P + 2 * A
# C - Clearance
# B - Base radius of the gear
#
# Note:1. The range on the diametral pitch is inclusive of the lower limit
# and exclusive of the upper limit.
# 2. The variable are calculated in the order P, A, C, and B. Hence
# make sure that if a variable formulae depends on any of the others
# they are already calculated.
#
{Operation Default} # normal teeth
[Diametral_pitch Default]
(Pressure_angle 14.5, 20, 25.0)
P = (N/DP)
A = 1.0/DP
C = 0.2/DP + 0.002
B = P - (1.2/DP + 0.002);
(Pressure_angle Default)
P = (N/DP)
A = 1.0/DP
C = 0.2/DP + 0.002
B = P - (1.2/DP + 0.002);
[Diametral_pitch 0 - 20.0]
(Pressure_angle 14.5, 20, 25.0)
C = 0.25/DP
(Pressure_angle Default)
P = (N/DP)
A = 1.0/DP
C = 0.2/DP + 0.002
B = P - (1.2/DP + 0.002);
{Operation Shaved} # shaved gear
[Diametral_pitch Default]
(Pressure_angle 14.5, 20, 25.0)
P = (N/DP)
A = 1.0/DP
C = 0.35/DP + 0.002
B = P - (1.2/DP + 0.002);
(Pressure_angle Default)
P = (N/DP)
A = 1.0/DP
C = 0.35/DP + 0.002
B = P - (1.2/DP + 0.002);
[Diametral_pitch 0 - 20.0]
(Pressure_angle 14.5, 20, 25.0)
C = 0.35/DP
(Pressure_angle Default)
P = (N/DP)
A = 1.0/DP
C = 0.35/DP + 0.002
B = P - (1.2/DP + 0.002);