
122
Splice Mode
Cleave length Settings for tapering
To make a long taper, we need to pull the fiber from one side and feed fiber from the
other side. At feeding side, we need to make sure that there is enough fiber length for
the feeding. If the feeding or pulling distance is not enough, one of the motor will run
out of space and we shall see the “Motor Overrun” error. There are many different
ways to set the initial position for fiber tapering. As a general method, cleave length
can be used for the setting. The same taper example described above will be used.
R: taper ratio = wrist diameter/fiber diameter = 50/125 = 0.4
L: total taper length = L
1
+ L
2
+ L
3
= 7.0 mm + 2.0 mm + 7.0 mm = 16 mm
L
1feed
= L
1
×(R
2
+ R + 1)/3 = 7.0×(0.4
2
+ 0.4 + 1)/3 = 3.64 mm
L
2feed
= L
2
×R
2
= 2.0×0.4
2
= 0.32 mm
L
3feed
= L
3
×(R
2
+ R + 1)/3 = 7.0×(0.4
2
+ 0.4 + 1)/3 = 3.64 mm
L
feed
= L
1feed
+ L
2feed
+ L
3feed
= 3.64
+ 0.32 + 3.64
= 7.6 mm
i) For tapering by ZL and ZR motors
Left side cleave length should be always standard, i.e., 9 mm for cladding clamping
and 4 mm for coating clamping.
Right side cleave length should be 9 mm plus integer of total feeding length. In our
example, the cleave length = 9 + Int(L
feed
) = 9 + Int(7.6) = 16 mm.
ii) For tapering by Sweep and ZR motors
In this case we need to move the sweep motor to right direction by half to total taper
length (L/2). So, the cleave length parameter setting and actual cleave length is not
the same.
For the left side cleave length parameter setting, it should be 9 mm plus half of total
cleave length. In our example, the left cleave length setting = 9 + Int(L/2) = 9 +
Int(16/2) = 16 mm. But the actual left side fiber cleave length is still 9 mm.
For right side cleave length parameter setting it should be 9 mm plus half of total
taper length minus total feeding length. In our example, the cleave length setting = 9
+ Int(L/2 - L
feed
) = 9 + Int(16/2 - 7.6) = 9 mm. But the actual cleave length should be
total feeding length. In our example, the actual cleave length = 9 + L
feed
= 9 + 7.6 =
16.6 mm.
Содержание FSM-100M
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