Some standard content:
Machinery Industry Standard of the People's Republic of China
Magnetic Powder Clutch
1 Subject Content and Scope of Application
JB/T 5988.-. 92
This standard specifies the magnetic particle clutch (below) (referred to as clutch) classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, etc.
This standard applies to self-cooling of the main and driven end clutches and control systems of mechanical transmission systems to adjust torque, adjust speed, Zhangfang control, closed load start, overload protection, servo drive, test loading, reversal, etc. Type, air-cooled, liquid-cooled, electric fan-cooled clutch reference standards
2
GB191
Packaging, storage and transportation pictorial mark
Platform key and cross-sectional dimensions
GB 1095
GB 1569
GB3852
GB 4879
3 terms
cylindrical shaft extension
coupling Shaft hole and keyway type and size
Rust-proof packaging
3.1 Magnetic powder separator
The working gap between the main and driven rotors is filled with magnetic powder, and with the help of electromagnetic attraction The binding force between the magnetic powder produced and the magnetic powder and! A clutch that uses friction to transmit power or motion and can control and adjust torque. 3.1.1 Magnetic powder clutch for coupling (referred to as coupling clutch) is a clutch used in general industry with clutch as its main function. 3.1.2 Adjustment magnetic powder clutch (referred to as adjustment clutch) is a clutch whose main function is to adjust torque and speed. 3.1.3 Quick magnetic powder clutch (quick clutch for short) is a clutch whose main function is quick clutch or quick adjustment. 3.2 Performance terms
3.2.1 Maximum excitation voltage (referred to as maximum voltage) Um (Vdc) The maximum excitation voltage value specified in this standard. 3.2.2 Maximum excitation current (referred to as maximum current) 1m (Ad.c) The current value passing through the excitation coil when the average temperature of the clutch coil is 75°C under the maximum excitation voltage. 3.2.3 Maximum torque T.Nm)
The torque corresponding to the maximum excitation current of the clutch. 3.2.4 No-load torque T (N·m)
The torque corresponding to the static characteristics when the excitation current is zero. 3.2.5 Static characteristic curve
The active rotor speed is constant, the driven rotor is braked, the excitation current changes from small to large in one direction (rising curve), and then from large to small (descending sweet line) People's Republic of China Machinery The Ministry of Electronics Industry approved the implementation of
67
JB/T5988
on 1992-07-17 and implemented on 1994-01-01. The relationship curve between the excitation current and torque obtained by changing. 3.2.6 Safety factor K,
, the ratio of the maximum torque T and the nominal torque T,. .3.2.7 The slope of the linear section of the static characteristics K.
The slope corresponding to the point on the rising curve of the static characteristics where the torque is 0.6T. 3.2.8 Static characteristic loop width coefficient 4T%
92
In the static characteristic curve with the maximum value of torque K, the work on the rising curve corresponding to the nominal torque T. The ratio of the difference between the torque determined by the working point on the corresponding descending curve of the excitation current and the nominal torque 7, expressed as a percentage. 3.2.9 Dynamic characteristics
The transition process of excitation current and torque changing with time after the clutch is turned on or off with step voltage. 3.2.10 Excitation current rise time constant T. (s) The corresponding time when the excitation current rises to 63.2% of the steady-state value after the clutch excitation coil is connected to the step voltage. 3.2.11 Excitation current decay time constant Ta (s) corresponds to the time when the excitation current decays to 36.8% of the steady-state value after the clutch excitation coil disconnects the step voltage. 3.2.12 No reaction time (s)
The time from when the clutch excitation coil is connected to the step voltage to when the torque starts to rise. 3.2.13 Torque rise time constant T (s) corresponds to the time when the torque rises to 63.2% of the steady-state torque value after the clutch excitation coil is connected to the step voltage. 3.2.14 Torque decay time constant 1a (s) The corresponding time when the torque decays to 36.8% of the steady-state torque value after the clutch excitation coil disconnects the step voltage. 3.2.15 Allowable slip power [P7W]
The allowable value of the maximum slip power determined by the transmitted torque and slip speed when the clutch is operating with continuous slip. 3.2.16 Temperature rise of the excitation coil z(C)
The difference between the temperature of the clutch excitation coil and the ambient temperature. 3.2.17 Surge curve
When the clutch operates at the allowable slip power, the relationship between the temperature rise of the excitation coil and time. 3.2.18 The stable temperature outside the excitation coil (C) is the temperature rise value when the temperature rises by 1C on the temperature rise curve within 60 minutes. 3.2.19 The excitation coil temperature rise heating time constant Thr (s) corresponds to the time when the temperature rise of the excitation coil rises to 63.2% of the stable temperature rise value on the temperature rise curve. 3.2.20 Excitation coil cooling thermal time constant Tha (s) corresponds to the time when the temperature rise of the excitation coil on the temperature rise wire drops to 36.8% of the stable value. 4 Category
4.1 Type
4.1.1 According to driven rotor structure type
a. Cylindrical rotor clutch, code omitted, b.
Cup rotor clutch code ：B;
Simple rotor clutch, code: T;
c.
Disc rotor clutch. Code: P.
d.
4.1.2 According to the connection installation type
Shaft input, shaft output, single-sided or double-sided stop support type. Code omitted: a.||tt| |b. Shaft input, shaft output, machine base support type, code: J; 68
c.
d.
e.
f.|| tt||JB/T 5988-92
Shaft input, shaft output, single-sided right-angle plate support type, code M flange transmission, hollow shaft output, hollow shaft (or single stop) support type, Code: K; flange input, single or double-sided shaft output, single-sided stop support type, code: ID); gear (or pulley, sprocket) input, shaft output, single-sided stop support type , Code: C4.1.3#
By cooling method
a.
b.
c.
d.
natural air Cooling (referred to as self-cooling type), code name omitted: forced ventilation cooling (referred to as air-cooling type), code; F; liquid (water or oil) cooling (referred to as liquid cooling type)), code: Y; electric fan cooling (referred to as Fan cooling type), code name: S. By application category
4.1.4
a.
b.
c
connection (general clutch), code omitted; adjust torque, speed (For control system), code: A; quick clutch, code: G.
Note: The fast and adjustable clutch can replace the coupling clutch, 4.2 model
4.2.1 model representation method
FL
Cooling type code
-Coupling type code
Structural type code
Nominal torque N·m
Magnetic powder clutch code
4.2.2 Model example
Example 1: Nominal Torque 50N·m, cylindrical rotor, shaft input, shaft output, double-mouth support, self-cooling clutch model: FL50
Example 2: nominal torque 100Nm, cylindrical rotor, shaft output, Shaft output, double-jet support, air-cooled clutch model: FI.100/F
Example 3: nominal torque 25N·m, cup-shaped rotor, flange input, hollow shaft output, hollow Shaft (or single stop) support, air-cooled clutch model:
FL25B.K
Example 4: nominal torque 200N·m, simple rotor, shaft input, shaft output, Frame support, liquid-cooled clutch model is: FL200T.1/Y
4.3 marking
4.3.1 marking method
FL.-JB/T 5988
One standard number
Application category code
Model
4.3.2 Marking example
Example 1: Nominal torque 12N·И, cup-shaped rotor, flange plate output Person, hollow shaft output, hollow shaft (or single stop door) support, self-cooling declutter, used for general connection, marked:
FI.12B.KJB/T 5988
69
JB/T5988-92
Example 2: Nominal rotation length 200N·m, cylindrical rotation, shaft input, shaft output, double stop support, self-cooling clutch, used for rapid The clutch mark is:
FL200-GJB/T 5988
4.4 Basic clutch parameters and main scales
4.4.1The main parameter of the clutch is the nominal torque T. (Nm). Series specifications: 0.1*.0.25″, 0.5.1.2.5.5.10.25.50.100, 200.400, 630, 1 000, 2 000.4 000*, 6 300', 10 000*, 20 000*, 40 000*, 63 000*. Note: The specifications marked with “*” are recommended.
4.4.2 The basic performance parameters of the clutch should comply with the provisions of Table 1. Installation type and size 4.4.3.1 The connection and installation type of auxiliary input, shaft output, single-side or double-side seam support clutch are shown in Figure 1, and the main dimensions are specified in Table 2
Kax||tt. ||Double-side stop
nxetaxl
bOne-side stop
Figure 1 Shaft input, shaft output, single-side or double-side stop support clutch outline Figure 4.4. 3.2 The connection and installation type of the shaft input, shaft output, and base supported clutch are shown in Figure 2. The main dimensions are as specified in Table 2. Xa
Shaft input, shaft output, and base supported clutch outline drawing. Figure 2
70
JB/T 5988-92
0'6
09
Liquid
武
2
008
000
0
2
20
u/
wind
style
0082
006
00t
008m
0
0
[a]
area
Min
000
002
000T
006
092
o
8|| tt||E
[d]
four
9'r6
6
9
1-01×2*8
1-01X82
..01x82
2-012
-01x80m
x..o1xW
:-01×2
-1x+
z·N
0s2
000
05
ta/
[||tt| |『华
08:0
290
0
8
os
os||tt| |990°0
500
o00
0
of
32
8
9||tt| |os
88
9m
82
6
#9°03
tg0
otos||tt ||A
L
08
4
\
0007
059
00f
0o1
0
1
s0
u·N
0
ooy
089
二/
D
0
oot
/ Dosid
an
S
s
S0
No.
Type
7!
JB/T5988--92
61
2
OE
4
88
088||tt ||062
2
o
0 81
st
oo
of
H
ru
099
02t
og
f
8
068
0| |tt||081
06
0
s
1081
os
oo
08||tt ||091
st
2
oot
08
02
09
os
09
ET
08t
09f
o
on
001
06
5| |tt||5
0
0
9
x8
009
x8
ors||tt ||of
9t
+
[xs
x8
zx9
aw
x9||tt| |9W
9W
S
ap
x9
zx9
29
6
09
E
ottsz
00
5
2
(2a)
abzxz.net
099
09
t9
18
002
8
3
9
s|| tt||ot
9
00
9
G
2
0
so||tt| |sot
of
8
&
8
8
5
3
( 2d)
2
5
0
08
099
T
00000
008
ost1089
29
09
08
St
1868
68
5|| tt||062
6
8108
988
st
9m
890
T||tt| |81
z
2
of
1 (2)
a
12
81||tt ||291
f 00000
a
o
OO
o
Tos4
s||tt| |No.
o
0
o
0
ou
ST
type
72
JB/T5988-92
4.4.3.3 Shaft input, shaft output, connection and installation type of right-angle plate support clutch are shown in Figure 3, and the main dimensions are as specified in Table 2. x
.
Figure 3 Shaft input, shaft output, right angle plate support clutch outline Figure 4.4.3.4 Flange input, hollow shaft output, hollow shaft (or single stop) support The connection and installation type of the clutch are shown in Figure 4, and the main dimensions are as specified in Table 3.
I release
dxl
dx
I effect
nxd,xlu
Picture 4 flange input, hollow Shaft output, hollow shaft or single stop) supported clutch outline chart 3 Flange input, hollow shaft output, hollow shaft (or single stop) supported clutch main size type
No.||tt ||FL10..K
FL25.K
FL50.K
FL100K
Dimensions
Lo
103
119
160
180
220
141
166
275
D
96
114
140
1176|| tt||80
90
110
125
auxiliary terminal connection size
68
80
95
110
20
20
20
20
6
d
M6|| tt||M6
M8
M10
15
15
20
25
D4||tt| |24
27
30
38
60
60
Output connection size
1, 7| |tt||35
d,
37
10
m
20.8
22.8
33.3|| tt||38.3
Note: 1) D is the recommended size.
4.4.3.5 The connection and installation types of flange input, single-side or double-side shaft output, and single-joint support clutch are shown in Figure 5. The main dimensions are as specified in Table 4.
73
Model
FL0.5.D
Fi.1\,
FI.2. 5C.
F1. 57.)
JB/T5988
92
4X#4.5
3XM4
Figure 5 Flange input, single-sided or double-sided shaft Output, single-jet supported clutch appearance chart 4 flange input, single or double-side shaft output, single-jet supported clutch main dimensions
1
77|| tt||83
95
t11
D
70
76
85
09||tt| |8.5
8.5
9. 5
Installation ruler
D
66
75
D||tt ||4
.
63
78
10.
12
1.5
18||tt| |18.9
22.5
25
lian
knot
30
3:
40
50
R
.
12
50
:
mt
4.4.3.6 gear (sprocket, Pulley) input, shaft output, the connection and installation type of single-sided support type clutch are shown in Figure 6, and the main dimensions are specified in Table 5. || tt | Output, main dimensions and outline dimensions of single-sided stop-supported magnetic powder clutch
Dt
FLI.C
F1.2.5=.C
FL5.C||tt ||FL1OD.C
F1.25.C
60
56
120100
136
134
160152
175
182
10
12
14
20
Joint size
L
7. 5
20
28
36
Note: 1) The maximum dimensions for gear installation are recommended values. 74
3
11.2
2
19
6
75
13
Installation size
x
6X
Q
Gear installation size
D
84
mim
Gear Parameters
Outer diameter tooth module
6112010.6
106104
Ks
3-
JB/T 5988--92|| tt||4.5 On the premise that the installation dimensions, connection dimensions and performance indicators comply with this standard, other types of products can be derived. The value of the product model should be determined according to the principles of this standard.
5 Technical requirements
5.1 The clutch shaft extension is in accordance with the provisions of GB1569, the key is in accordance with the provisions of GB1095, the shaft hole and keyway are in accordance with the provisions of GB3852, the maximum diameter of the clutch) is the recommended size, connection and installation dimensions According to the provisions of Table 2 and Table 5. 5.2 Certificate of normal working conditions
5.2.1 Weekly air temperature is 5~~~40℃. 5.2.2 The maximum relative humidity of the surrounding air is 90% (when the average minimum temperature is 25C). 5.2.3 Surrounding medium requirements: no explosion hazard, no corrosion of metal, no dust that damages insulation, and no oil mist. 5.2.4
The altitude does not exceed 2500m.
5.3 Structural requirements
5.3.1 The performance of materials and components used in the clutch should comply with relevant standards and regulations, be inspected by the factory, and be able to pass corresponding tests on the product.
5.3.2 The magnetic permeable material of the clutch should be low-carbon high-quality carbon steel with good magnetic permeability, electrically pure iron and other magnetic permeable materials whose magnetic permeability is not lower than the materials mentioned in 1.
5.3.3 The soft magnetic magnetic powder used in the clutch should be stabilized, and the physical and magnetic properties should comply with the relevant special technical conditions and standards.
The insulation level of the excitation coil shall not be lower than Class E 5.3.4
5.3.5 The lead wire of the clutch shall be a wire with high temperature resistance, high strength and good insulation. 5.3.6 The clutch power supply device must be reliable. 5.3.7 Clutches use different power supplies according to different uses: products used for clutching or quick clutching can use a DC regulated power supply: products used for adjusting torque are recommended to use a DC adjustable constant current source or a dedicated electronic microcomputer control device. The accuracy of its DC voltage and current meets the standards.
5.4 Performance requirements
5.4.121V, 80V DC voltage is the priority voltage value of the excitation voltage. Special products are recommended to use: 48.36.12, 6.3V voltage value. 5.4.2 The relationship between static characteristic parameters is shown in Figure 7. T
Ta
Th
7
0.6T.
Decline curve
Nonlinear segment Linear segment
Rising Curve | |tt | min), 7≤3%T, at high speed, T≤5%Tm5.4.2.2
General industry connection clutch K.1.3: Speed ??regulating clutch K≥1.5: Quick clutch K2. 0) Maximum torque Tm3KIn
5.4.2.3
75
according to different uses
37
10
m
20.8
22.8
33.3
38.3
Note: 1 )D is the recommended size.
4.4.3.5 The connection and installation types of flange input, single-side or double-side shaft output, and single-joint support clutch are shown in Figure 5. The main dimensions are as specified in Table 4.
73
Model
FL0.5.D
Fi.1\,
FI.2. 5C.
F1. 57.)
JB/T5988
92
4X#4.5
3XM4
Figure 5 Flange input, single-sided or double-sided shaft Output, single-jet supported clutch appearance chart 4 flange input, single or double-side shaft output, single-jet supported clutch main dimensions
1
77|| tt||83
95
t11
D
70
76
85
09||tt| |8.5
8.5
9. 5
Installation ruler
D
66
75
D||tt ||4
.
63
78
10.
12
1.5
18||tt| |18.9
22.5
25
lian
knot
30
3:
40
50
R
.
12
50
:
mt
4.4.3.6 gear (sprocket, Pulley) input, shaft output, the connection and installation type of single-sided support type clutch are shown in Figure 6, and the main dimensions are specified in Table 5. || tt | Output, main dimensions and outline dimensions of single-sided stop-supported magnetic powder clutch
Dt
FLI.C
F1.2.5=.C
FL5.C||tt ||FL1OD.C
F1.25.C
60
56
120100
136
134
160152
175
182
10
12
14
20
Joint size
L
7. 5
20
28
36
Note: 1) The maximum dimensions for gear installation are recommended values. 74
3
11.2
2
19
6
75
13
Installation size
x
6X
Q
Gear installation size
D
84
mim
Gear Parameters
Outer diameter tooth module
6112010.6
106104
Ks
3-
JB/T 5988--92|| tt||4.5 On the premise that the installation dimensions, connection dimensions and performance indicators comply with this standard, other types of products can be derived. The value of the product model should be determined according to the principles of this standard.
5 Technical requirements
5.1 The clutch shaft extension is in accordance with the provisions of GB1569, the key is in accordance with the provisions of GB1095, the shaft hole and keyway are in accordance with the provisions of GB3852, the maximum diameter of the clutch) is the recommended size, connection and installation dimensions According to the provisions of Table 2 and Table 5. 5.2 Certificate of normal working conditions
5.2.1 Weekly air temperature is 5~~~40℃. 5.2.2 The maximum relative humidity of the surrounding air is 90% (when the average minimum temperature is 25C). 5.2.3 Requirements for surrounding media: no explosion hazard, no corrosion of metal, no dust that damages insulation, and no oil mist. 5.2.4
The altitude does not exceed 2500m.
5.3 Structural requirements
5.3.1 The performance of materials and components used in the clutch should comply with relevant standards and regulations, be inspected by the factory, and be able to pass corresponding tests on the product.
5.3.2 The magnetic permeable material of the clutch should be low-carbon high-quality carbon steel with good magnetic permeability, electrically pure iron and other magnetic permeable materials whose magnetic permeability is not lower than the materials mentioned in 1.
5.3.3 The soft magnetic magnetic powder used in the clutch should be stabilized, and the physical and magnetic properties should comply with the relevant special technical conditions and standards.
The insulation level of the excitation coil shall not be lower than Class E 5.3.4
5.3.5 The lead wire of the clutch shall be a wire with high temperature resistance, high strength and good insulation. 5.3.6 The clutch power supply device must be reliable. 5.3.7 Clutches use different power supplies according to different uses: products used for clutching or quick clutching can use a DC regulated power supply: products used for adjusting torque are recommended to use a DC adjustable constant current source or a dedicated electronic microcomputer control device. The accuracy of its DC voltage and current meets the standards.
5.4 Performance requirements
5.4.121V, 80V DC voltage is the priority voltage value of the excitation voltage. Special products are recommended to use: 48.36.12, 6.3V voltage value. 5.4.2 The relationship between static characteristic parameters is shown in Figure 7. T
Ta
Th
7
0.6T.
Decline curve
Nonlinear segment Linear segment
Rising Curve | |tt | min), 7≤3%T, at high speed, T≤5%Tm5.4.2.2
General industry connection clutch K.1.3: Speed ??regulating clutch K≥1.5: Quick clutch K2. 0) Maximum torque Tm3KIn
5.4.2.3
75
according to different uses
37
10
m
20.8
22.8
33.3
38.3
Note: 1 )D is the recommended size.
4.4.3.5 The connection and installation types of flange input, single-side or double-side shaft output, and single-joint support clutch are shown in Figure 5. The main dimensions are as specified in Table 4.
73
Model
FL0.5.D
Fi.1\,
FI.2. 5C.
F1. 57.)
JB/T5988
92
4X#4.5
3XM4
Figure 5 Flange input, single-sided or double-sided shaft Output, single-jet supported clutch appearance chart 4 flange input, single or double-side shaft output, single-jet supported clutch main dimensions
1
77|| tt||83
95
t11
D
70
76
85
09||tt| |8.5
8.5
9. 5
Installation ruler
D
66
75
D||tt ||4
.
63
78
10.
12
1.5
18||tt| |18.9
22.5
25
lian
knot
30
3:
40
50
R
.
12
50
:
mt
4.4.3.6 gear (sprocket, Pulley) input, shaft output, the connection and installation type of single-sided support type clutch are shown in Figure 6, and the main dimensions are specified in Table 5. || tt | Output, main dimensions and outline dimensions of single-sided stop-supported magnetic powder clutch
Dt
FLI.C
F1.2.5=.C
FL5.C||tt ||FL1OD.C
F1.25.C
60
56
120100
136
134
160152
175
182
10
12
14
20
Joint size
L
7. 5
20
28
36
Note: 1) The maximum dimensions for gear installation are recommended values. 74
3
11.2
2
19
6
75
13
Installation size
x
6X
Q
Gear installation size
D
84
mim
Gear Parameters
Outer diameter tooth module
6112010.6
106104
Ks
3-
JB/T 5988--92|| tt||4.5 On the premise that the installation dimensions, connection dimensions and performance indicators comply with this standard, other types of products can be derived. The value of the product model should be determined according to the principles of this standard.
5 Technical requirements
5.1 The clutch shaft extension is in accordance with the provisions of GB1569, the key is in accordance with the provisions of GB1095, the shaft hole and keyway are in accordance with the provisions of GB3852, the maximum diameter of the clutch is the recommended size, connection and installation dimensions According to the provisions of Table 2 and Table 5. 5.2 Certificate of normal working conditions
5.2.1 Weekly air temperature is 5~~~40℃. 5.2.2 The maximum relative humidity of the surrounding air is 90% (when the average minimum temperature is 25C). 5.2.3 Surrounding medium requirements: no explosion hazard, no corrosion of metal, no dust that damages insulation, and no oil mist. 5.2.4
The altitude does not exceed 2500m.
5.3 Structural requirements
5.3.1 The performance of materials and components used in the clutch should comply with relevant standards and regulations, be inspected by the factory, and be able to pass corresponding tests on the product.
5.3.2 The magnetic permeable material of the clutch should be low-carbon high-quality carbon steel with good magnetic permeability, electrically pure iron and other magnetic permeable materials whose magnetic permeability is not lower than the materials mentioned in 1.
5.3.3 The soft magnetic magnetic powder used in the clutch should be stabilized, and the physical and magnetic properties should comply with the relevant special technical conditions and standards.
The insulation level of the excitation coil shall not be lower than Class E 5.3.4
5.3.5 The lead wire of the clutch shall be a wire with high temperature resistance, high strength and good insulation. 5.3.6 The clutch power supply device must be reliable. 5.3.7 Clutches use different power supplies according to different uses: products used for clutching or quick clutching can use a DC regulated power supply: products used for adjusting torque are recommended to use a DC adjustable constant current source or a dedicated electronic microcomputer control device. The accuracy of its DC voltage and current meets the standards.
5.4 Performance requirements
5.4.121V, 80V DC voltage is the priority voltage value of the excitation voltage. Special products are recommended to use: 48.36.12, 6.3V voltage value. 5.4.2 The relationship between static characteristic parameters is shown in Figure 7. T
Ta
Th
7
0.6T.
Decline curve
Nonlinear segment Linear segment
Rising Curve | |tt | min), 7≤3%T, at high speed, T≤5%Tm5.4.2.2
General industry connection clutch K.1.3: Speed ??regulating clutch K≥1.5: Quick clutch K2. 0) Depending on the application, the maximum torque Tm three KIn
5.4.2.3
75
xh | Main dimensions and overall dimensions of type magnetic powder clutch
Dt
FLI.C
F1.2.5=.C
FL5.C
FL1OD.C|| tt||F1.25.C
60
56
120100
136
134
160152
175
182
10
12
14
20
Joint size
L
7. 5
20
28
36
Note: 1) The gear installation dimensions are recommended values. 74
3
11.2
2
19
6
75
13
Installation size
x
6X
Q
Gear installation size
D
84
mim
Gear Parameters
Outer diameter tooth module
6112010.6
106104
Ks
3-
JB/T 5988--92|| tt||4.5 On the premise that the installation dimensions, connection dimensions and performance indicators comply with this standard, other types of products can be derived. The value of the product model should be determined according to the principles of this standard.
5 Technical requirements
5.1 The clutch shaft extension is in accordance with the provisions of GB1569, the key is in accordance with the provisions of GB1095, the shaft hole and keyway are in accordance with the provisions of GB3852, the maximum diameter of the clutch is the recommended size, connection and installation dimensions According to the provisions of Table 2 and Table 5. 5.2 Certificate of normal working conditions
5.2.1 Weekly air temperature is 5~~~40℃. 5.2.2 The maximum relative humidity of the surrounding air is 90% (when the average minimum temperature is 25C). 5.2.3 Surrounding medium requirements: no explosion hazard, no corrosion of metal, no dust that damages insulation, and no oil mist. 5.2.4
The altitude does not exceed 2500m.
5.3 Structural requirements
5.3.1 The performance of materials and components used in the clutch should comply with relevant standards and regulations, be inspected by the factory, and be able to pass corresponding tests on the product.
5.3.2 The magnetic permeable material of the clutch should be low-carbon high-quality carbon steel with good magnetic permeability, electrically pure iron and other magnetic permeable materials whose magnetic permeability is not lower than the materials mentioned in 1.
5.3.3 The soft magnetic magnetic powder used in the clutch should be stabilized, and the physical and magnetic properties should comply with the relevant special technical conditions and standards.
The insulation level of the excitation coil shall not be lower than Class E 5.3.4
5.3.5 The lead wire of the clutch shall be a wire with high temperature resistance, high strength and good insulation. 5.3.6 The clutch power supply device must be reliable. 5.3.7 Clutches use different power supplies according to different uses: products used for clutching or quick clutching can use a DC regulated power supply: products used for adjusting torque are recommended to use a DC adjustable constant current source or a dedicated electronic microcomputer control device. The accuracy of its DC voltage and current meets the standards.
5.4 Performance requirements
5.4.121V, 80V DC voltage is the priority voltage value of the excitation voltage. Special products are recommended to use: 48.36.12, 6.3V voltage value. 5.4.2 The relationship between static characteristic parameters is shown in Figure 7. T
Ta
Th
7
0.6T.
Decline curve
Nonlinear segment Linear segment
Rising Curve | |tt | min), 7≤3%T, at high speed, T≤5%Tm5.4.2.2
General industry connection clutch K.1.3: Speed ??regulating clutch K≥1.5: Quick clutch K2. 0) Depending on the application, the maximum torque Tm three KIn
5.4.2.3
75
xh | Main dimensions and overall dimensions of type magnetic powder clutch
Dt
FLI.C
F1.2.5=.C
FL5.C
FL1OD.C|| tt||F1.25.C
60
56
120100
136
134
160152
175
182
10
12
14
20
Joint size
L
7. 5
20
28
36
Note: 1) The gear installation dimensions are recommended values. 74
3
11.2
2
19
6
75
13
Installation size
x
6X
Q
Gear installation size
D
84
mim
Gear Parameters
Outer diameter tooth module
6112010.6
106104
Ks
3-
JB/T 5988--92|| tt||4.5 On the premise that the installation dimensions, connection dimensions and performance indicators comply with this standard, other types of products can be derived. The value of the product model should be determined according to the principles of this standard.
5 Technical requirements
5.1 The clutch shaft extension is in accordance with the provisions of GB1569, the key is in accordance with the provisions of GB1095, the shaft hole and keyway are in accordance with the provisions of GB3852, the maximum diameter of the clutch is the recommended size, connection and installation dimensions According to the provisions of Table 2 and Table 5. 5.2 Certificate of normal working conditions
5.2.1 Weekly air temperature is 5~~~40℃. 5.2.2 The maximum relative humidity of the surrounding air is 90% (when the average minimum temperature is 25C). 5.2.3 Surrounding medium requirements: no explosion hazard, no corrosion of metal, no dust that damages insulation, and no oil mist. 5.2.4
The altitude does not exceed 2500m.
5.3 Structural requirements
5.3.1 The performance of materials and components used in the clutch should comply with relevant standards and regulations, be inspected by the factory, and be able to pass corresponding tests on the product.
5.3.2 The magnetic permeable material of the clutch should be low-carbon high-quality carbon steel with good magnetic permeability, electrically pure iron and other magnetic permeable materials whose magnetic permeability is not lower than the materials mentioned in 1.
5.3.3 The soft magnetic powder used in the clutch should be stabilized, and the physical and magnetic properties should comply with the relevant special technical conditions and standards.
The insulation level of the excitation coil shall not be lower than Class E 5.3.4
5.3.5 The lead wire of the clutch shall be a wire with high temperature resistance, high strength and good insulation. 5.3.6 The clutch power supply device must be reliable. 5.3.7 Clutches use different power supplies according to different uses: products used for clutching or quick clutching can use a DC regulated power supply: products used for adjusting torque are recommended to use a DC adjustable constant current source or a dedicated electronic microcomputer control device. The accuracy of its DC voltage and current meets the standards.
5.4 Performance requirements
5.4.121V, 80V DC voltage is the priority voltage value of the excitation voltage. Special products are recommended to use: 48.36.12, 6.3V voltage value. 5.4.2 The relationship between static characteristic parameters is shown in Figure 7. T
Ta
Th
7
0.6T.
Decline curve
Nonlinear segment Linear segment
Rising Curve | |tt | min), 7≤3%T, at high speed, T≤5%Tm5.4.2.2
General industry connection clutch K.1.3: Speed ??regulating clutch K≥1.5: Quick clutch K2. 0) Depending on the application, the maximum torque Tm three KIn
5.4.2.3
75
0) Depending on the application, the maximum torque Tm three KIn
5.4.2.3
75
0) Depending on the application, the maximum torque Tm three KIn
5.4.2.3
75
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.