DESCH V-Belt pulleys - Screw

Transcription

DESCH V-Belt pulleys - Screw
DESCH V-belt pulleys
Screw-on hubs, Welded hubs
KS 12 – GB
V-belt pulley
V-belt drives are frictionally engaged
traction mechanism gears consisting in
their simplest form of two V-belt pulleys and V-belts. Transmission ratios
of 8:1 to 1:8 are possible with a power
of up to 1000 kW. With an extensive
calculation program we determine the
economically optimum drive from the
large number of combinations which are
technical feasible. Prices and delivery
times are favourable if V-belt pulleys
from the range in stock can be used.
DESCH V-belt pulleys
The DESCH V-belt pulleys have many
advantages: quiet running; good
damping of impact torques and rotary vibrations; rupture safety because
V-belts slip at over load; easy assembling; low-maintenance. In normal case
DESCH pulleys are of the material EN-GJL
200 and are standardised on the basis
of DIN 2211 and 2217 respectively.
V-belt pulleys with cylindrical hole are
balanced on one level quality grade
G 16 according to DIN ISO 1940;
dw < 400 mm with an operating speed
n = 1500 rpm; dw > 400 mm with
v = 30 m/s. Pulleys for taper bushes correspond to quality grade G 3 according to
DIN ISO 1940 balanced on one level; for
dw < 400 mm with n = 1.500 rpm;
for dw > 400 mm with v = 30 m/s. The
balancing is performed without groove
on a smooth balancing mandrel, which
corresponds to the half-wedge balancing
mode. Other types of balancing, such as
full-wedge, by agreement. We recommend: balancing on 2 levels G 6.3 for operating speed if the circumferential speed
is v > 30 m/s or the dw b2 ratio is < 4 and
v is > 20 m/s. If nothing different is
indicated, the ready-drilled holes of
the V-belt pulleys are given a tolerance
of H7 and are grooved for feather keys
according to DIN 6885/1. Max. outside diameter of pulleys 3.500 mm.
Fig. 1
Fig. 2
Fig. 3
Fig. 4
General instructions
Maximum circumferential
speeds:
Pulley
Material
1T
2T
•
°
X
EN-GJL
200
(GG-20)
42
42
38
EN- GJS
400
(GGG
40)
60
60
54
V in m/s
X
1T = one-piece
2T = two-piece
• = full pulley
28 ◦ = botto
pulley
X = arm pulley
-
For safety reasons the circumferential
speeds given above may not be exceeded.
2
When selecting the V-belt profile and the
pulley diameter the following points are
important:
1. Do not go below minimum pulley diameter (p.8) (service life, economic efficiency)
2. Use standardised pulley diameter.
Select a standardised diameter at
least for the largest pulley of the
drive.
3. Note belt speed or max. circumfe-
rential speed of belt pulley. For
higher speeds other material grades can be supplied.
4. Special design possible.
In addition to V-belts for a wide variety
of profiles, we sell narrow V belts to DIN
7753, Part 1 (Fig.1) and USA Standard RMA/
MPTA in covered and raw-edged design
(Fig.3), compound V-belts (Fig.4) and
V-belts according to DIN 2215 (Fig.2). The
latter are not economic and should no
longer be used in new designs. V-belts
manufactured in series are resistant to
oils and greases provided these are only
present in small quantities, they are heatresistant to 70°C ambient temperature,
electrically conductive and dust-proof.
Taper bushes
with groove according to DIN 6885, Part 1
DESCH Taper bushes are used to fasten pulleys or coulpings to shaft. In the case of
V-belt pulleys this fastening is generally sufficient to transmit the power. An additional feather key connection is only necessary with extremely high load. Each
taper bush is equipped with a feather key groove for this purpose. The bushes can
be used with shaft tolerances of up to h11 with max. diameter of 30mm. Beyond
this up to h9. Detailed installation instructions are enclosed with each delivery.
Bush No.
bore-ø d2 of the available bushes
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
1008
10
11
12
15
16
18
19
20
22
24*
25*
1108
10
11
12
15
16
18
19
20
22
24
25
28*
1210
11
12
14
15
18
19
20
22
24
25
28
30
32
1610/1615
15
16
18
19
20
22
24
25
28
30
32
35
2012
15
16
18
19
20
22
24
25
28
30
32
35
2517
16
18
19
20
22
24
25
28
30
32
35
3020
25
28
30
32
35
38
40
42
45
48
50
3030
35
38
40
42
45
48
50
55
60
65
70
75
3025
35
38
40
42
45
48
50
55
60
65
70
3535
35
38
40
42
45
48
50
55
60
65
4030
40
42
45
48
50
55
60
65
70
75
4040
40
42
45
48
50
55
60
65
70
4535
55
60
65
70
75
80
85
90
4545
55
60
65
70
75
80
85
90
5040
70
75
80
85
90
95
100
5050
70
75
80
85
90
95
100
Bush No.
Hole -ø d2
Groove width b Groove depth t2
1008
24*/25*
8
2/1,3
1108
28*
8
2
1610/1615
42*
12
2,2
2517
65*
18
2,3
3525
100*
28
4,4
4030
115*
32
5,4
mm
mm
mm
mm
mm
mm
mm
38
40
42*
38
40
42
45
48
50
38
40
55
60
42
45
48
55
55
65
70
75
75
80
85
90
95
100*
70
80
75
80
85
90
85
90
95
100
75
105
110
80
85
90
95
100
95
95
100
105
110
115
120
125
100
105
110
105
110
115
120
125
105
110
115
120
125
mm
mm
60
65*
115*
> * This hole has a shallow groove
** for hexagon socket screws
3
Preferred versions for V-belt pulleys
with taper bushes
Bearing of hub to rim:
bü=flush, rü= recessed, v= protruding
Minimum pulley diameter
4
Profile
SPZ / XPZ
SPA / XPA
SPB / XPB
SPC / XPC
3V(9N) / 3VX
5V (15N) / 5VX
8V
da min
63 / 56
90 / 71
140 / 112
224 / 180
63 / 56
140 / 112
335
Profile
SPC (J)
9J (3V)
15J (5V)
25J (8V)
da min
250
67
180
335
rounded edge
Pulley
Standard sheet
belt profile
distance
between
grooves
tmin
a 34°
a 36°
a 38°
a 40°
a 42°
DIN 7753 T1
DIN 7753 T3
DIN 2215/DIN
2216
DIN ISO
RMA/MPTA
bw
b1 1)
c
e 2)
f
V-belt DIN 2215 u.
DIN 7753
finite V-belt DIN
2216
for
„dw“ bei
DIN 2211/7
2
3
4
5
3/3
3/4
4/4
5/4
5/5
4/3/4
4/4/4
4/5/4
5/4/5
5/5/5
DIN 2217
DIN ISO 5290 4)
SPZ/XPZ
9,5-AVX 10
10
SPA/XPA
12,5-AVX 13
13
SPB/XPB
SPC/XPC
17
22
(25)
32
Z
A
B
C
-
D
8,5
≈9,7
2
12±0,3
8±0,6
11
≈12,7
2,8
15±0,3
10±0,6
14
≈16,3
3,5
19±0,4
12,5±0,8
19
≈22
4,8
25,5±0,5
17±1
21
≈25
6,3
29±0,5
19±1
27
≈32
8,1
37±0,6
24±2
11+0,6
13,8+0,6
17,5+0,6
23,8+0,6
22+0,6
28+0,6
11+0,6
13,8+0,6
17,5+0,6
23,8+0,6
28+0,6
33+0,6
≤ 80
> 80
≤ 118
>118
≤ 190
>190
≤ 315
>315
≤ 355
>355
≤ 500
>500
±1°
±1°
±1°
±0,5°
±0,5°
±0,5°
„da“ bei
DIN ISO 5290
tolerance for α
Compound
V-belt combinations 3)
DIN 2211
Number of
z
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
9N/9J
3V/3VX
15N/15J
5V/5VX
25N/25J
8V
8,9
0,6
10,3±0,25
9
15,2
1,3
17,5±0,25
13
25,4
2,5
28,6±0,4
19
8,9
15,2
25,4
≤ 90
≤150
≤300
>300
≤250
≤400
>400
≤400
≤560
>560
±0,25°
±0,25°
±0,25°
Rim width b2
16
28
40
52
64
76
88
100
112
124
136
148
-
20
35
50
65
80
95
110
125
140
155
170
185
-
25
44
63
82
101
120
139
158
177
196
215
234
-
34
59,5
85
110,5
136
161,5
187
212,5
238
263,5
289
314,5
340
365,5
391
38
67
96
125
154
183
212
241
270
299
328
357
386
415
444
48
85
122
159
196
233
270
307
344
381
418
455
492
529
566
18
28,3
38,6
48,9
59,2
69,5
79,8
90,1
100,4
110,7
121,0
131,3
141,6
151,9
162,2
26
43,5
61,0
78,5
96,0
113,5
131,0
148,5
166,0
183,5
201,0
218,5
236,0
253,5
271,0
38
66,6
95,2
123,8
152,4
181,0
209,6
238,2
266,8
295,4
324,0
352,6
318,2
409,8
438,4
1) The upper groove widths „b1“ are only precisely defined for V-belt pulleys according to DIN ISO 5290 for compound narrow V-belts. In the case of grooves according to DIN 2211 and DIN 2217, „b1“ depends in the groove angle.
2) The tolerance of the groove distance for non-successive grooves is double the value given for „e“. (not for compound V-belt pulleys)
3) Compound narrow V-belts only run in V-belt pulleys with a distance between grooves „e“ according to DIN ISO 5290.
4) Is in accordance with US Engineering Standard RMA/MPTA „Specification for drives using narrow multiple V-belts“
5
Stock V-belt Pulleys for Taper Bushes
SPZ
Effective.Ø Grooves
dw
56
60
63
67
71
75
80
85
90
95
100
106
112
118
125
132
6
1
2
1
2
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
4
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
•
º
X
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
d2
max.
l
mm mm
25
28
25
28
28
28
28
28
28
28
28
28
28
28
32
32
32
32
32
32
32
42
42
42
42
32
42
42
42
42
32
42
42
42
42
32
42
42
42
50
42
42
42
42
50
42
42
50
50
50
42
42
50
50
50
42
42
50
50
50
42
42
50
50
50
22
22
22
22
22
22
22
22
22
22
22
22
22
22
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
32
25
25
25
25
32
25
25
32
32
32
25
25
32
32
32
25
25
32
32
32
25
25
32
32
45
Design
Weight
Bush No.
rü 12
rü 27
bü
rü 27
bü
rü 6
rü 18
bü
rü 6
rü 18
bü
rü 6
rü 18
bü
rü 3
rü 15
bü
rü 3
rü 15
rü 27
bü
rü 3
rü 15
rü 27
rü 39
bü
rü 3
rü 15
rü 27
rü 39
bü
rü 3
rü 15
rü 27
rü 39
bü
rü 3
rü 15
rü 27
rü 32
bü
rü 3
rü 15
rü 27
rü 32
bü
rü 3
rü 8
rü 20
rü 32
bü
rü 3
rü 8
rü 20
rü 32
bü
rü 3
bü
bü
rü 32
bü
rü 3
bü
bü
rü 19
0,2
0,3
0,25
0,35
0,3
0,45
0,58
0,35
0,41
0,56
0,4
0,48
0,64
0,45
0,46
0,62
0,5
0,57
0,75
0,9
0,6
0,7
0,8
0,9
1,3
0,7
0,67
0,88
1,1
1,4
0,8
0,97
1,1
1,3
1,6
0,8
0,94
1,2
1,4
1,6
0,9
1,1
1,4
1,6
1,9
1
1,3
1,4
1,7
2,2
1,1
1,5
1,7
2
2,3
1,2
1,8
2
2,3
2,7
1,4
2,1
2,3
2,7
3,2
Grooves
•
º
X
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
2
3
4
5
2
3
4
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
°
°
°
•
•
°
°
°
°
°
°
°
°
°
°
X
X
°
°
°
X
X
X
°
°
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
dw
kg
6
6
8
6
8
6
6
8
6
6
8
6
6
8
6
6
8
6
6
6
8
6
6
6
6
8
6
6
6
6
8
6
6
6
6
8
6
6
6
6
8
6
6
6
6
8
6
6
6
6
8
6
6
6
6
8
6
2
2
6
8
6
2
2
6
Effective.Ø
1008
1008
1008
1108
1108
1108
1108
1108
1108
1108
1108
1108
1108
1108
1210
1210
1210
1210
1210
1210
1210
1610
1610
1610
1610
1210
1610
1610
1610
1610
1210
1610
1610
1610
1610
1210
1610
1610
1610
2012
1610
1610
1610
1610
2012
1610
1610
2012
2012
2012
1610
1610
2012
2012
2012
1610
1610
2012
2012
2012
1610
1610
2012
2012
2517
140
150
160
170
180
190
200
224
250
280
315
355
400
d2
max.
l
mm mm
42
42
50
50
50
42
50
50
50
50
42
50
50
60
60
42
50
50
60
60
42
50
50
60
60
42
50
50
60
60
50
50
50
60
60
50
50
50
60
60
50
50
50
60
60
50
50
60
60
60
50
50
60
60
60
50
60
60
60
60
60
60
25
25
32
32
45
25
32
32
45
45
25
32
32
45
45
25
32
32
45
45
25
32
32
45
45
25
32
32
45
45
32
32
32
45
45
32
32
32
45
45
32
32
32
45
45
32
32
45
45
45
32
32
45
45
45
32
45
45
45
45
45
45
Design
Weight
Bush No.
kg
8
6
2
2
2
8
8
2
2
2
8
8
2
2
2
8
8
4
2
2
8
8
8
2
2
8
8
9
9
9
8
8
9
9
9
8
8
9
9
9
7
7
10
9
9
7
7
7
10
10
7
7
7
10
10
7
7
10
10
7
7
10
bü
rü 3
bü
bü
bü
bü
bü
bü
bü
bü
bü
bü
bü
bü
bü
bü
bü
rü 4
bü
bü
bü
bü
bü
bü
bü
bü
bü
rü 4
rü 3,5
rü 9,5
bü
bü
rü 4
rü 3,5
rü 9,5
bü
bü
rü 4
rü 3,5
rü 9,5
v8
v2
rü 4
rü 3,5
rü 9,5
v8
v2
v 2,5
rü 3,5
rü 9,5
v8
v2
v2,5
rü 3,5
rü 9,5
v2
v 2,5
rü 3,5
rü 9,5
v 8,5
v 2,5
rü 3,5
1,6
2,4
2,7
3,1
3,5
1,9
2,6
3,3
3,8
4,3
2,1
3,1
3,9
4,6
5,1
1,5
2,5
4,2
5,3
5,9
1,8
2,7
3,2
6,3
6,9
1,8
2,6
4,9
5,2
6,3
2,5
3,1
3,7
5,4
6,1
2,8
3,4
4,2
6,1
7,0
3,3
3,9
4,8
6,8
7,4
3,8
4,9
7,1
8,2
10,6
4,8
5,8
7,5
9,3
9,8
6,5
8,9
9,5
13,0
8,8
10,5
11,5
1610
1610
2012
2012
2517
1610
2012
2012
2517
2517
1610
2012
2012
2517
2517
1610
2012
2012
2517
2517
1610
2012
2012
2517
2517
1610
2012
2012
2517
2517
2012
2012
2012
2517
2517
2012
2012
2012
2517
2517
2012
2012
2012
2517
2517
2012
2012
2517
2517
2517
2012
2012
2517
2517
2517
2012
2517
2517
2517
2517
2517
2517
SPA
Effective.Ø
Effective.Ø
Grooves
dw
67
71
75
80
85
90
95
100
106
112
118
125
132
140
150
160
170
•
º
X
d2
max.
l
Design
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
28
28
28
28
28
28
32
32
32
32
32
32
32
42
42
42
32
42
42
42
42
42
42
42
42
42
42
42
50
50
42
42
50
50
50
42
42
50
50
50
42
42
50
50
50
42
50
50
60
60
42
50
60
60
60
42
50
60
60
60
42
50
60
60
60
42
50
60
60
75
22
22
22
22
22
22
25
25
25
25
25
25
25
25
25
38
25
25
25
38
25
25
25
38
38
25
25
25
32
32
25
25
32
32
32
25
25
32
32
32
25
25
32
32
32
25
32
32
45
45
25
32
45
45
45
25
32
45
45
45
25
32
45
45
45
25
32
45
45
51
Bush No.
8
6
8
6
8
6
8
6
6
8
6
6
8
6
6
6
8
6
6
6
8
6
2
2
2
8
6
2
6
6
8
6
6
6
6
8
6
2
2
2
8
6
2
2
4
8
6
2
2
4
8
6
6
2
4
8
6
6
2
4
8
6
6
2
4
8
6
6
2
2
bü
rü 13
bü
rü 13
bü
rü 13
bü
rü 10
rü 25
bü
rü 10
rü 25
bü
rü 10
rü 25
rü 27
bü
rü 10
rü 25
rü 27
bü
rü 10
bü
bü
bü
bü
rü 10
bü
rü 33
rü 48
bü
rü 10
rü 18
rü 33
rü 48
bü
rü 10
bü
bü
bü
bü
rü 10
bü
bü
rü 24
bü
rü 3
bü
bü
rü 17,5
bü
rü 3
rü 5
bü
rü 17,5
bü
rü 3
rü 5
bü
rü 17,5
bü
rü 3
rü 5
bü
rü 17,5
bü
rü 3
rü 5
bü
bü
0,4
0,5
0,4
0,55
0,45
0,60
0,53
0,74
0,82
0,60
0,81
0,9
0,8
0,9
1
1,3
0,8
0,9
1,3
1,7
0,9
1
1,4
1,8
2,2
0,9
1,2
1,6
1,7
2,1
1
1,4
1,6
2
2,4
1,1
1,6
1,9
2,3
2,7
1,3
1,9
2,3
2,7
3,2
1,5
2,2
2,6
2,8
3,4
1,8
2,6
2,9
3,6
4
1,9
3,2
3,6
4,4
4,8
2,2
3,2
3,8
4,4
4,9
2,0
4,0
4,2
5,8
5,9
1108
1108
1108
1108
1108
1108
1210
1210
1210
1210
1210
1210
1210
1610
1610
1615
1210
1610
1610
1615
1610
1610
1610
1615
1615
1610
1610
1610
2012
2012
1610
1610
2012
2012
2012
1610
1610
2012
2012
2012
1610
1610
2012
2012
2012
1610
2012
2012
2517
2517
1610
2012
2517
2517
2517
1610
2012
2517
2517
2517
1610
2012
2517
2517
2517
1610
2012
2517
2517
3020
•
º
X
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
2
3
4
5
2
3
4
5
3
4
5
3
4
5
°
°
•
•
•
°
°
•
•
•
°
°
°
•
•
°
°
°
•
•
°
X
X
•
•
°
X
X
°
•
°
X
X
°
°
°
X
X
X
°
°
X
X
X
°
°
X
X
X
°
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
dw
180
kg
mm mm
1
2
1
2
1
2
1
2
3
1
2
3
1
2
3
4
1
2
3
4
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
Weight
Grooves
190
200
212
224
236
250
280
300
315
355
400
450
500
560
630
d2
max.
l
mm mm
42
50
60
60
75
42
50
60
60
75
50
60
60
75
75
50
60
60
75
75
50
60
60
75
75
50
60
60
75
75
50
60
60
75
75
50
60
60
75
90
50
60
60
75
90
50
60
75
75
90
50
60
75
75
90
50
60
75
75
90
60
75
75
90
60
75
75
90
75
90
90
75
90
90
25
32
45
45
51
25
32
45
45
51
32
45
45
51
51
32
45
45
51
51
32
45
45
51
51
32
45
45
51
51
32
45
45
51
51
32
45
45
51
89
32
45
51
51
89
32
45
51
51
89
32
45
51
51
89
32
45
51
51
89
45
51
51
89
45
51
51
89
51
89
89
51
89
89
Design
Weight
Bush No.
kg
8
9
6
2
4
8
9
6
2
2
8
5
9
2
4
8
5
9
2
2
8
8
10
2
2
8
8
10
8
2
5
7
10
9
9
8
8
10
10
5
8
8
8
10
8
8
8
7
10
5
8
8
7
10
7
8
8
8
10
7
8
8
10
7
8
8
10
7
8
7
7
8
7
7
bü
rü 1,5
rü 5
bü
rü 14,5
bü
rü 1,5
rü 5
bü
bü
bü
v5
rü 2,5
bü
rü 14,5
bü
v5
rü 2,5
bü
bü
bü
bü
rü 2,5
bü
bü
bü
bü
rü 2,5
bü
bü
v6
v5
rü 2,5
rü 7
rü 14,5
bü
bü
rü 2,5
rü 7
v 4,5
bü
bü
bü
rü 75
bü
bü
bü
v 0,5
rü 7
v 4,5
bü
bü
v 0,5
rü 7
v 4,5
bü
bü
bü
rü 7
v 4,5
bü
bü
rü 7
v 4,5
bü
bü
rü 7
v 4,5
bü
v 12
v 4,5
bü
v 12
v 4,5
2,1
5,2
6,1
6,8
7
2,7
3,9
7,2
7,5
8,0
2,8
4,7
5,5
8,5
9,4
3,0
5,0
5,9
8,6
10,8
3,2
5,3
6,2
11,5
12,5
3,5
5,5
6,5
8,5
10,8
3,7
5,8
6,8
9,5
11
4
6,5
76
10,5
17
4,5
6,8
8,2
11,3
19,0
4,6
7
11
12
18,5
5,6
8,9
12
13
20
6,5
10
13
14,5
21,5
11,5
14,5
16,5
23
12,5
15,5
18
25
16
23,5
27,5
10
28
31
1610
2012
2517
2517
3020
1610
2012
2517
2517
3020
2012
2517
2517
3020
3020
2012
2517
2517
3020
3020
2012
2517
2517
3020
3020
2012
2517
2517
3020
3020
2012
2517
2517
3020
3020
2012
2517
2517
3020
3535
2012
2517
3020
3020
3535
2012
2517
3020
3020
3535
2012
2517
3020
3020
3535
2012
2517
3020
3020
3535
2517
3020
3020
3535
2517
3020
3020
3535
3020
3535
3535
3020
3535
3535
7
SPB
Effective.Ø
Grooves
•
º
X
1
2
3
1
2
3
1
2
3
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
8
1
2
3
4
5
6
8
1
2
3
4
5
6
8
1
2
3
4
5
6
8
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
°
•
•
•
•
•
•
°
•
•
•
•
•
•
°
•
•
•
•
•
•
°
°
°
•
•
•
•
dw
100
112
118
125
132
140
150
160
170
180
190
200
212
8
d2
max.
l
mm mm
42
42
42
42
42
42
42
42
42
42
50
50
50
50
42
50
50
50
60
42
50
50
60
60
60
42
50
60
60
60
60
42
50
60
60
60
75
42
50
60
60
75
75
42
60
60
60
75
75
75
50
60
60
60
75
75
75
50
60
60
75
75
75
90
50
60
60
75
75
90
90
25
25
25
25
25
25
25
25
25
25
32
32
32
32
25
32
32
32
45
25
32
32
45
45
45
25
32
45
45
45
45
25
32
45
45
45
51
25
32
45
45
51
51
25
45
45
45
51
51
76
32
45
45
45
51
51
76
32
45
45
51
51
51
89
32
45
45
51
51
89
89
Design
Weight
Bush No.
dw
kg
1
6
6
1
6
6
1
2
2
1
2
2
4
6
1
2
2
4
6
1
2
2
4
4
4
1
2
2
4
4
4
1
2
2
4
4
4
1
2
2
4
4
4
1
8
2
4
4
4
4
5
8
2
4
4
4
4
5
8
2
4
4
4
4
5
8
2
4
4
4
4
bü
rü 19
rü 38
bü
rü 19
rü 38
bü
bü
bü
bü
bü
bü
rü 25
rü 69
bü
bü
bü
rü 25
rü 56
bü
bü
bü
rü 18,5
rü 28
rü 37,5
bü
bü
bü
rü 18,5
rü 28
rü 37,5
bü
bü
bü
rü 18,5
rü 28
rü 34,5
bü
bü
bü
rü 18,5
rü 25
rü 34,5
bü
bü
bü
rü 18,5
rü 25
rü 34,5
rü 41
v 3,5
bü
bü
rü 18,5
rü 25
rü 34,5
rü 41
v 3,5
bü
bü
rü 15,5
rü 25
rü 34,5
rü 34,5
v 3,5
bü
bü
rü 15,5
rü 25
rü 15,5
rü 34,5
0,9
1,2
1,7
1,1
1,5
2
1,3
1,7
2,3
1,5
2
2,7
3,3
3,7
1,8
2,4
3
3,7
4,5
2
2,7
3,5
4
4,8
6,1
2,5
3,3
4,1
4,9
5,7
6,5
2,8
3,9
4,8
5,7
6,6
6,5
3,3
4,5
5,7
6,7
6,8
7,7
3,7
5,5
6,6
7,7
7,9
8,9
12
4,1
6,4
7,6
8,7
9,1
10,1
13
4,1
7,5
8,6
9,3
10,5
11,7
15
4,2
5,9
7,6
10,8
12,1
15,2
17,2
Effective.Ø Grooves
1610
1610
1610
1610
1610
1610
1610
1610
1610
1610
2012
2012
2012
2012
1610
2012
2012
2012
2517
1610
2012
2012
2517
2517
2517
1610
2012
2517
2517
2517
2517
1610
2012
2517
2517
2517
3020
1610
2012
2517
2517
3020
3020
1610
2517
2517
2517
3020
3020
3030
2012
2517
2517
2517
3020
3020
3030
2012
2517
2517
3020
3020
3020
3535
2012
2517
2517
3020
3020
3535
3535
224
236
250
280
300
315
335
355
375
400
1
2
3
4
5
6
8
10
1
2
3
4
5
6
8
10
1
2
3
4
5
6
8
10
1
2
3
4
5
6
8
10
2
3
4
5
6
8
2
3
4
5
6
8
10
2
3
4
5
6
8
2
3
4
5
6
8
10
2
3
4
6
8
2
3
4
5
6
8
10
•
º
X
º
º
º
•
•
•
•
•
º
º
º
•
•
•
•
•
º
º
º
º
•
•
•
•
X
X
X
º
º
º
º
º
X
X
º
º
º
º
X
X
X
º
º
º
º
X
X
X
º
º
º
X
X
X
º
º
º
º
X
X
X
X
°
X
X
X
X
X
X
X
d2
max.
l
mm
mm
50
60
60
75
75
90
90
90
50
60
60
75
90
90
90
90
50
60
75
75
90
90
90
90
50
60
75
75
90
90
90
90
60
75
90
90
90
90
60
75
90
90
90
90
90
60
75
90
90
90
90
75
75
90
90
90
90
100
75
75
90
90
100
75
90
90
90
90
100
100
32
45
45
51
51
89
89
89
32
45
45
51
89
89
89
89
32
45
51
51
89
89
89
89
32
45
51
51
89
89
89
89
45
51
89
89
89
89
45
51
89
89
89
89
89
45
51
89
89
89
89
51
51
89
89
89
89
102
51
51
89
89
102
51
89
89
89
89
102
102
Design
Weight
Bush No.
kg
5
8
2
4
4
4
4
4
5
8
8
4
4
4
4
4
5
8
8
9
4
4
4
4
7
8
10
9
9
9
9
9
8
10
8
9
9
9
8
10
7
9
9
9
9
8
10
7
9
9
9
7
10
7
9
9
9
9
7
10
7
10
9
7
7
7
10
10
10
10
v 3,5
bü
bü
rü 15,5
rü 25
rü 15,5
rü 34,5
rü 53,5
v 3,5
bü
bü
rü 15,5
rü 6
rü 15,5
rü 34,5
rü 53,5
v 3,5
bü
bü
rü 15,5
rü 6
rü 15,5
rü 34,5
rü 53,5
v 3,5
bü
rü 6
rü 15,5
rü 6
rü 15,5
rü 34,5
rü 53,5
bü
rü 6
bü
rü 6
rü 15,5
rü 34,5
bü
rü 6
v 3,5
rü 6
rü 15,5
rü 34,5
rü 53,5
bü
rü 6
v 3,5
rü 6
rü 15,5
rü 34,5
v 3,5
rü 6
v 3,5
rü 6
rü 15,5
rü 34,5
rü 47
v 3,5
rü 6
v 3,5
rü 15,5
rü 28
v 3,5
v 13
v 3,5
rü 6
rü 15,5
rü 28
rü 47
4,6
6,6
8,1
12,3
13,8
17,8
20
22
5
7,2
8,8
14
19,5
21
23
25
5,6
7,7
11
12,5
22,5
24,5
27
29
8
9,5
13
15
21
22
25
30
10,4
13,5
19,0
22,0
23,6
31,5
11,5
15,5
18
23,5
25,5
29
33
12,5
16,5
19,5
25,0
28,0
32,0
15
17,5
21
27
29
35
41
9,5
11,5
16,5
25,0
40,0
11,5
17
22
25,5
28,5
45
50
2012
2517
2517
3020
3020
3535
3535
3535
2012
2517
2517
3020
3535
3535
3535
3535
2012
2517
3020
3020
3535
3535
3535
3535
2012
2517
3020
3020
3535
3535
3535
3535
2517
3020
3535
3535
3535
3535
2517
3020
3535
3535
3535
3535
3535
2517
3020
3535
3535
3535
3535
3020
3020
3535
3535
3535
3535
4040
3020
3020
3535
3535
4040
3020
3535
3535
3535
3535
4040
4040
SPB
Effective.Ø
Grooves
dw
425
450
500
560
630
710
800
900
1000
2
3
4
6
8
2
3
4
5
6
8
10
2
3
4
5
6
8
10
3
4
5
6
8
10
3
4
5
6
8
10
3
4
5
6
8
10
3
4
5
6
8
10
4
5
6
8
10
4
5
6
8
10
•
º
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
d2
max.
l
mm
mm
75
90
90
100
110
75
90
90
90
100
100
110
75
90
90
90
100
100
110
90
90
100
100
110
110
90
90
100
100
110
110
90
90
100
110
110
110
90
100
100
110
110
110
100
110
110
110
125
100
110
110
125
125
51
89
89
89
102
51
89
89
89
102
102
114
51
89
89
89
102
102
114
89
89
102
102
114
114
89
89
102
102
114
114
89
89
102
102
114
114
89
102
102
114
114
114
102
102
114
114
127
102
114
114
127
127
Design
Weight
Bush No.
kg
8
8
8
10
10
7
8
8
8
8
10
10
7
8
8
8
8
10
10
8
8
8
8
10
10
8
8
8
8
10
10
7
7
8
10
10
10
7
7
8
10
10
10
7
8
10
10
10
7
7
10
10
10
bü
bü
bü
rü 15,5
rü 28
v 3,5
bü
bü
bü
bü
rü 28
rü 41
v 3,5
bü
bü
bü
bü
rü 28
rü 41
bü
bü
bü
bü
rü 22
rü 41
bü
bü
bü
bü
rü 22
rü 41
v 13
v 3,5
bü
rü 9
rü 22
rü 41
v 13
v 10
bü
rü 3
rü 22
rü 41
v 10
bü
rü 3
rü 22
rü 34,5
v 10
v 6,5
rü 3
rü 15,5
rü 34,5
12,5
18,0
23,5
31,0
52,5
14
22
25,5
29
35
54
65
15,5
24
28
32
38,5
55,5
67,5
27
31
39
43
69
74
31
36
44
51
77
83
36
41
51
59
86
97
38
48
56
66
100
110
77
88
105
115
145
96
106
110
150
167
3020
3535
3535
3535
4040
3020
3535
3535
3535
4040
4040
4545
3020
3535
3535
3535
4040
4040
4545
3535
3535
4040
4040
4545
4545
3535
3535
4040
4040
4545
4545
3535
3535
4040
4040
4545
4545
3535
4040
4040
4545
4545
4545
4040
4040
4545
4545
5050
4040
4545
4545
5050
5050
9
SPC
SPC
Effective.Ø Grooves
dw
224
236
250
265
280
300
315
335
355
375
400
425
10
3
4
5
6
8
3
4
5
6
8
3
4
5
6
8
10
3
4
5
6
8
3
4
5
6
8
10
3
4
5
6
8
10
3
4
5
6
8
10
12
3
4
5
6
8
10
12
3
4
5
6
8
10
12
3
4
5
6
8
10
12
3
4
5
6
8
10
12
3
4
5
6
8
10
12
•
º
X
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
º
º
º
º
º
•
º
º
º
º
•
•
º
º
º
º
•
•
•
X
X
º
º
º
•
•
X
X
X
º
º
•
•
X
X
X
º
º
•
•
X
X
X
º
º
º
º
X
X
X
º
º
º
º
d2
max.
l
mm
mm
75
90
90
90
90
75
90
90
90
90
75
90
90
90
90
100
90
90
90
90
90
90
90
90
90
90
100
90
90
90
90
100
110
90
90
90
90
100
110
125
90
90
90
90
100
110
125
90
90
90
90
100
110
125
90
90
90
100
110
110
125
90
90
90
100
110
125
125
90
90
90
100
110
125
125
51
89
89
89
89
51
89
89
89
89
51
89
89
89
89
102
89
89
89
89
89
89
89
89
89
89
102
89
89
89
89
102
114
89
89
89
89
102
114
127
89
89
89
89
102
114
127
89
89
89
89
102
114
127
89
89
89
102
114
114
127
89
89
89
102
114
127
127
89
89
89
102
114
127
127
Design
Weight
Bush No.
dw
kg
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
8
4
4
4
4
8
9
9
9
9
4
5
9
9
9
4
4
5
9
9
9
4
4
4
7
10
9
9
9
4
4
7
10
10
9
9
4
4
7
10
10
9
9
4
4
7
10
10
9
9
9
9
7
10
10
9
9
9
9
rü 17
rü 11
rü 23,5
rü 36
rü 62
rü 17
rü 11
rü 23,5
rü 36
rü 62
rü 17
rü 11
rü 23,5
rü 36
rü 62
rü 81
bü
rü 11
rü 23,5
rü 36
rü 62
bü
rü 11
rü 23,5
rü 36
rü 62
rü 81
v2
rü 11
rü 23,5
rü 36
rü 55
rü 75
v2
rü 11
rü 23,5
rü 36
rü 55
rü 75
rü 50
v2
rü 11
rü 23,5
rü 36
rü 55
rü 50
rü 50
v2
rü 11
rü 23,5
rü 36
rü 55
rü 75
rü 50
v2
rü 11
rü 23,5
rü 30
rü 49
rü 50
rü 50
v2
rü 11
rü 23,5
rü 30
rü 49
rü 68
rü 50
v2
rü 11
rü 23,5
rü 30
rü 49
rü 50
rü 50
12,3
16,3
18,4
20,4
24,5
13,9
19
21,1
23,1
27,8
13,1
22,4
24,5
26,7
31,1
36,4
23,7
26,2
28,5
31,3
36,2
20,1
22,7
23,9
26,4
41
47,5
21,4
24,4
27,3
30
48,5
55
23
26
27
32
54
62
69
25
28
31,5
35
46,5
77
82
28
31
34
37,5
49,5
84
86
30
33,5
37
45,5
59
88
92
33
35,5
40,5
49
63
80
98
37
42
46,2
56
69
96
100
Effective.Ø Grooves
3020
3535
3535
3535
3535
3020
3535
3535
3535
3535
3020
3535
3535
3535
3535
4040
3535
3535
3535
3535
3535
3535
3535
3535
3535
3535
4040
3535
3535
3535
3535
4040
4545
3535
3535
3535
3535
4040
4545
5050
3535
3535
3535
3535
4040
4545
5050
3535
3535
3535
3535
4040
4545
5050
3535
3535
3535
4040
4545
4545
5050
3535
3535
3535
4040
4545
5050
5050
3535
3535
3535
4040
4545
5050
5050
450
475
500
560
630
710
800
1000
1250
3
4
5
6
8
10
12
3
4
5
6
8
10
12
4
5
6
8
10
12
4
5
6
8
10
12
5
6
8
10
12
5
6
8
10
12
5
6
8
10
12
5
6
8
10
12
5
6
8
10
12
•
º
X
X
X
X
º
º
º
º
X
X
X
º
º
º
º
X
X
X
º
º
º
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
d2
max.
l
mm
mm
90
90
100
110
125
125
125
90
90
100
110
125
125
125
90
100
110
125
125
125
100
110
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
89
89
102
114
127
127
127
89
89
102
114
127
127
127
89
102
114
127
127
127
102
114
127
127
127
127
127
127
127
127
127
127
127
127
127
127
127
127
127
127
127
127
127
127
127
127
127
127
127
127
127
Design
Weight
Bush No.
kg
7
10
10
9
9
9
9
7
10
10
9
9
9
9
10
10
10
9
9
9
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
v2
rü 11
rü 17
rü 24
rü 43
rü 68
rü 50
v2
rü 11
rü 17
rü 24
rü 43
rü 50
rü 50
rü 11
rü 17
rü 24
rü 43
rü 68
rü 50
rü 4
rü 11
rü 17
rü 43
rü 68
rü 50
rü 4,5
rü 17
rü 43
rü 68
rü 50
rü 4,5
rü 17
rü 43
rü 68
rü 50
rü 4,5
rü 17
rü 43
rü 68
rü 50
rü 4,5
rü 17
rü 43
rü 68
rü 50
rü 4,5
rü 17
rü 43
rü 68
rü 50
34
39
49
67
81
92,5
113
40
42
51,5
72
86
90
120
44
53,5
66,5
91
105
127
60
71
85,5
101,5
114
145
91
97,5
116
127
160
95
108
127
147
170
115
125
140
164
220
154
160
197
245
270
178
193
237
294
310
3535
3535
4040
4545
5050
5050
5050
3535
3535
4040
4545
5050
5050
5050
3535
4040
4545
5050
5050
5050
4040
4545
5050
5050
5050
5050
5050
5050
5050
5050
5050
5050
5050
5050
5050
5050
5050
5050
5050
5050
5050
5050
5050
5050
5050
5050
5050
5050
5050
5050
5050
Weld-on Hub
Taper welded nubs are made of steel, drilled, countersunk and given a taper hole to enable
them to be mounted with standard taper bushes. The protruding flange provides a convenient possibility of welding hubs in fans, fanwheels, steel disks, chain wheel pulleys and
many other devices which have to be mounted permanently on a shaft. Welded hubs are
simple to install and are ideally suitable where heavy-duty conditions are encountered.
When the bolts are tightened, the hole is pressed together, thus fastening it on the shaft
in the form of a press fit. The type of design eliminates all mounting difficulties, as well as
preventing any loosening and migration on the hub during operation.
Type WM
Hub size
Bush No.
A
B
C
D
E
F
F1
X
mm
mm
mm
mm
mm
mm
mm
mm
WM 12
1210
70
60
58
25
9
10
8
9
WM 16-1
1610
83
70
68
25
9
10
8
9
WM 16-2
1615
83
70
68
38
16
11
8
16
WM 20
2012
95
90
88
32
12
12
10
12
WM 25
2517
127
110
108
45
19
13
10
19
WM 30-2
3020
152
130
125
51
20
15
12
20
WM 30-3
3030
152
130
125
76
25
19
12
25
WM 35
3535
184
155
151
89
32
25
15
32
WM 40
4040
225
195
187
102
32
32
15
32
WM 45
4545
254
220
213
114
38
38
20
38
WM 50
5050
276
242
228
127
38
38
20
38
Type WH
Hub size
Bush No.
A
B
C
D
E
F
F1
X
mm
mm
mm
mm
mm
mm
mm
mm
WH 12
1210
70
65
64,5
25
9
10
-
-
WH 16
1610
83
75
74,5
25
9
10
-
-
WH 20
2012
95
90
89,5
32
12
12
-
-
WH 25
2517
115
110
109,5
45
19
15
-
-
WH 30
3020
145
140
139,5
51
20
15
21
14
WH 35
3525
190
180
179,5
65
25
25
31
19
WH40
4040
200
190
189,5
102
32
30
27
22
WH45
4545
210
200
199,5
114
40
30
33
25
WH 50
5050
230
220
219,5
127
40
35
37
20
11
Bolt-on Hubs
Taper screw-on hubs have been designed for use with
taper bushes. They offer the favourable facility of
mounting fans, fanwheels and other devices firmly on
a shaft. DESCH screw-on hubs are made of grey cast
iron or steel and are phosphatised to provide additional
corrosion-proofing.
Type SM
Hub size
12
Bush No.
A
B
C
D
E
J
mm
mm
mm
mm
mm
SM 12
1210
180
90
135
25
6,5
6 x 7,5
mm
SM 16-1
1610
200
110
150
25
7,5
6 x 7,5
SM 16-2
1615
200
110
150
38
7,5
6 x 7,5
SM 20
2012
270
140
190
32
8,5
6 x 9,5
SM 25
2517
340
170
240
45
9,5
8 x 11,5
SM 30-1
3020
430
220
300
51
13,5
8 x 13,5
SM 30-2
3020
485
250
340
51
13,5
8 x 13,5
Type BF
Hub size
A
B
C
D
E
G
H
J
mm
mm
mm
mm
mm
mm
mm
mm
Bush No.
BF 12
1210
120
80
100
25
5,5
75
10
6 x 7,5
BF 16
1610
130
90
110
25
6,5
85
10
6 x 7,5
BF 20
2012
145
100
125
32
8,5
95
13
6 x 9,5
BF 25
2517
185
130
155
45
11,5
119
20
8 x 11,5
BF 30
3020
200
165
190
51
11,5
147
20
8 x 13,5
off steel
Hub Size
Bush No.
Welded Hub
Weight
A
B
C
D1
D2
D3
D4
D5
E
F
G
mm
kg
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
SM 12S
1210
WM 12
2,0
9
25
5
180
60
90
70
58
9
12
14
SM 16-1S
1610
WM16-1
2,4
9
25
5
200
70
110
83
68
9
12
14
SM 16-2S
1615
WM 16-2
2,5
10
38
15
200
70
110
83
68
10
13
25
SM 20S
2517
WM 25
6,0
19
45
11
270
110
140
127
108
11
14
22
SM 25S
2517
WM 25
9,2
19
45
10
340
110
170
127
108
12
15
22
SM 30-1S
3030
WM 30-3
20,0
25
76
32
430
130
220
152
125
15
19
47
SM 30-2S
3030
WM 30-3
25,0
25
76
31
485
130
250
152
125
15
20
46
13
Data sheet
for calculating / checking the drives
Inquiry No.
dated
Company
Road
Requirements
Offer No.
pieces/ order
dated
DESCH DPC GmbH & Co. KG
Postbox 14 40
59753 Arnsberg / Germany
Processed by:
Engine:
Driven machine:
type
type
size of start-up moment
start-up:under loadidling
type of start-up
Art der Belastung:
daily operating time number of switching operations
hours
hourly
daily
power: P normal kW
or max. torque
Nm bei n1
rpm
pulsating
intermittent
Power: P normal kW
P maximal kW
or max. torque
P maximal kW
constant
Nm with n1 min-1
rotary freuency n2 rpm
rotary frequenzy n1 rpm
n2min rpm
effective or outside diameter of pulley:
n2max
rpm
dd1 mmda1 mm
effective or outside diameter of pulley
dd1 min mmda1 min mm
dd1 mmda1 mm
dd1 max mmda1 max mm
dd1 min mmda1 min mm
pulley with b2 max mm
dd1 max mmda1 max mm
pulley width b2 max mm
General data
transmission ratio i
axle base a mm
operating conditions:
ambient temperature °C minimal
ambient temperature °C maximal
14
influence of oil
water
acid
dust
i min
amin mm
i max
amax mm
DESCH DPC - Belt-Drives / Transmission Components
Special pulleys
Timing belt pulleys
V-Belts timing belts
Motor slides made
of cast iron
EN-GJL-200
Motor slides made of steel
Motor mounts
DESCH DPC - Bearings
Flange bearings
acc. to DIN 502
with or without bronze bush
Cap bearings
with bronze shell
acc. to DIN 505 L
Flange bearings
acc. to DIN 503
with or without bronze bush
Cap bearings
with bronze shell
acc. to DIN 506
Eye bearings
acc. to DIN 504
with or without bronze bush
Catalogues on request!
15
© 2012 DESCH DPC GmbH & Co. KG · KS 12 – GB
Postbox 14 40 | 59753 Arnsberg/Germany
Kleinbahnstraße 21 | 59759 Arnsberg/Germany
T +49 2932 300 268 | F +49 2932 300 442 68I
www.desch.de | E [email protected]
DESCH DPC GmbH & Co. KG
Postbox 14 40
59753 Arnsberg/Germany
Kleinbahnstraße 21
59759 Arnsberg/Germany
T +49 2932 300 0
F +49 2932 300 830
Iwww.desch.de
[email protected]
DESCH Canada Ltd.
240 Shearson Crescent
Cambridge, Ontario
DESCH Italia
Drive Technology
Ufficio di rappresentanza in Italia
DESCH China
Machinery (Shanghai) Ltd.
No.10 Building, No.2317
Canada N 1T 1J6
T +1800 2631866
+1519 6214560
F +1519 6231169
Iwww.desch.de
[email protected]
Via Cavriana, 3
20134 Milano/Italy
T +3902 7391280
F +3902 7391281
Iwww.desch.de
[email protected]
Shengang Road, Songjiang District
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