Benzlers Tecostyle

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1 Gear type
BS (Worm gear and worm geared motor)
2 Gear size
Standard sizes 35,40, 50, 63, 71, 88, 112,
50/40, 63/40, 71/40, 88/50, 112/63
Other combinations and sizes can be achieved.
Check with Benzlers.
3 Ratio code
A, B, C....FA, FB, FC (2 letters for double
wormgears).
4 Mounting position
See picture *For execution - code 2 and 3 state flange
size, for example M=115, see page 55.
5 Gear Accessories
VM = distance ring for different position of terminal box
EB = brake on gear
KEB = coupling/brake unit (specify type and voltage)
F = fan on gear (only BS88 and BS112)
DP = double input shaft
6 Input design
2 = free high speed shaft (no motor or flange for
motor)
3 = prepared for motor (specify flange and shaft
diametres or IEC-standard size)
4 = with motor
7 Motor
Acc. to IEC (71A, 71B)
8 Accessories for the motor
B = Brake
TB = Thermostat protection
Th = Thermistor protection
FS = Fitted with forced cooling
TG = Tachogenerator
PG = Encoder
9 Terminal box position
Positions acc picture
10 Motorflange
B14 = Small flange
B5 = Large flange
Motor flange B5
Position of terminal box
Motor sizes
63 71 80 90 100 112 132 160 180
Gear
BS 40 45* 45* 45* 45*
50 0 0 0
63 0 0 0
71 45+ 45+ 45+ 45+
88 45 45 45 45 90
112(i60) 45 45 45 90
BS35 is not available with B5-flange.
Mounting positions
Hollow shaft U O H-A H-B
gear
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Execution - code 0
Feet and output OV OH OD
shaft
Execution - code 1
Only output UV UH UD
shaft
Execution - code 8
Only feet VV VH VD
Execution - code 9 Endast Endast Endast
BS 40-71 BS 40-71 BS 40-71
Code 9 only
for BS40-71
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Position of terminal box
Standard position 0 Standard position 45
90°
135° 45°
180°
270°
0°
Motor flange B14
Position of terminal box
HU-A HN-A HD-A
HU-B HN-B HD-B
Output flange
BS 35-71 BS 35-71 BS 88-112
and shaft
OH OV OH
Execution - code 2*
State M
Output flange BS 35-71 BS 35-71 BS 88-112
and hollow shaft OH OV OH
Execution - code 3*
State M
Double gears P 1
P 2
P 3
(prestep gear is
shown on picture)
Execution - code 4
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P 4
P 5
P 6
P 7
P 8
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Gear with hollow O V
shaft, torque arm
and connection
Execution - code 5
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Motor sizes
63 71 80 90 100 112 132 160 180
Gear
BS 35 45 45
40 45* 45* 45* 45*
50 45* 45* 45*
63 45* 45* 45* 45
71 0+ 0+ 0+ 0+
88 0 0 0 0
112 0 0 0
* = Can be changed to 0 with distance ring, VM
+ = Distance ring to be mounted on gear
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225°
315°
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