JB/T 5983-1992 Design method of multi-V belt transmission
time:
1992-07-17 15:00:00
- JB/T 5983-1992
- in force
Standard ID:
JB/T 5983-1992
Standard Name:
Design method of multi-V belt transmission
Chinese Name:
多楔带传动 设计方法
Standard category:
Machinery Industry Standard (JB)
-
Date of Release:
1992-07-17 -
Date of Implementation:
1993-07-01
China Standard Classification Number:
Machinery>>General parts>>J18 chain drive, belt drive and key connection
Drafter:
Qin Shuan, Cao Zhujia, Li Ying, Yang ZongdongDrafting Organization:
Mechanical Standardization Research Institute of the Ministry of Mechanical and Electronic Industry, Shanghai University of Engineering and TechnologyFocal point Organization:
Mechanical Standardization Research Institute of the Ministry of Mechanical and Electronic IndustryProposing Organization:
Mechanical Standardization Research Institute of the Ministry of Mechanical and Electronic IndustryPublishing Department:
Ministry of Mechanical and Electronic Industry of the People's Republic of China
Description (Translated English) / downloadSkip to download
Summary:
This standard specifies the design method of poly-V belt transmission. This standard is applicable to the design of three types of poly-V belt transmissions: PJ, PL and PM specified in the standard. JB/T 5983-1992 Poly-V belt transmission design method JB/T5983-1992 Standard download and decompression password: www.bzxz.net
Standard contentSome standard content:
Machinery Industry Standard of the People's Republic of China
Multi-belt transmission design method
Subject content and scope of application
This standard specifies the design method of multi-V belt transmission. This standard is applicable to the applications specified in the standard. The design of three types of poly-V belt transmissions: PJ, PL and PM. 2 Reference standards
Belt drive terminology
GB6931
3 Terminology and codes
3.1 The terminology of this standard is in accordance with the provisions of GB6931.1~6931.2. 3.2 The codes used in this standard See Table 1.
Table 1
Generation
a| |tt||K.
No.| |tt||Parameter name
Design power
Power to be transmitted
Working condition coefficient
Transmission ratio
Small pulley speed||tt| |Large pulley speed
Small pulley pitch diameter
Large pulley pitch diameter
Effective line difference
Small pulley effective diameter
Effective diameter of the large pulley
effective length of the belt
center distance
preliminary effective length of the belt
preliminary center distance
reduced center distance Amount
increase in center distance
small pulley wrap angle
wrapper angle correction coefficient
belt length correction coefficient
basic rated power transmitted by each wedge
Power increment caused by transmission ratio
Number of belt wedges, number of pulley grooves
Belt speed
Effective pulling force
People's Republic of China The Ministry of Mechanical and Electronic Industry approved JB/T 5983—92
r/min on 1992-07-17
mm|| tt||mm
1993-07-01 implementation
generation
F||tt ||K.
Original design datawww.bzxz.net
4.1 prime mover and working machine type;
4.2 Daily operation time t,
4.3 Power to be transmitted P;
4.4. Small pulley speed nl;
4.5 Large pulley Speed ??n2
4.6 Initial center distance a or center distance range
4.7 Special requirements for transmission space and other aspects. 5 Design Steps
5.1 Determine the design power P.
where: K is shown in Table 2.
Condition
JB/T 5983-92
Continued Table 1
Parameter name
Tight edge tension||tt| |Loose edge tension
Wedging coefficient between belt and pulley
Last axis force
Vertical force applied when measuring the initial tension
Deflection
Pa=KAP
Table 2
Prime mover type
Single
N||tt ||mm
AC motor (normal torque, squirrel cage type, "AC motor (large Torque, large slip, synchronous, split-phase), DC motor (parallel excited), internal combustion engine
Continuous operation every day
Liquid stirring blowers and exhaust devices, centrifugal pumps and compressors, fans with power below 7.5kW (including 7.5kW); light conveyors
belt conveyors (sand, dust, etc.), dough mixers , fans and generators with power exceeding .5k; washing machines + machine tools, punches, presses, shears, printing machines, reciprocating vibrating screens, positive displacement rotary pumps
brick making machines, bucket elevators , exciter, piston compressor, conveyor (chain plate type, disc type, spiral type), forging machine tools; pulpers for papermaking, plunger pumps, positive displacement blowers, crushers, sawing machines and woodworking machinery||tt| |344
continuously running every day
continuously running
continuously running every day
continuously running|| tt | |Continue operation
Continuous operation every day
Continuous operation every day
Continuous operation||tt ||>6～16 h>16~24 h
1.6|| tt | machine)
Throttle machinery
JB/T 5983--92
Continued Table 2
Type of prime mover
AC motor (normal torque, Squirrel cage, synchronous, split-phase). DC motor (parallel excited), internal combustion engine
Continuous operation per dog
Continuous operation
1.3||tt| |2.0
5.2 If a tensioner is used, add the following values ??to KA: The tensioner is located inside the loose edge: 0:
The tensioner is located outside the loose edge: 0.1; || tt||The tensioning wheel is located inside the tight edge: 0.1;
The tensioning wheel is located outside the tight edge: 0.2.
5.3 Select the belt type
According to n and P: Select the belt type from Figure 1.
Home Business Collection Hot Food National Children Service Provider
4.00||tt| |300
5.4 Calculate the transmission ratio
.5.5 Determine the effective diameter of the pulley dl, de2
continuous operation every day
continuous operation
continuous operation every day
>6～16 h||tt ||[>16~24 h
AC motor (large torque, large slip rate, single phase, slip ring, series excitation). DC electric motor
machine (re-excitation)||tt ||Continuous operation every day
continuous operation
design power Pa, kw
Figure 1
i=n/n2
The effective diameter of the small pulley: del three dlemin, see table 3 for demin. Table 3
20304050
Continuous operation every day
1≥6~~16 h
everyday连
组设计
>16-~24 h
200 300400500||hh||100||hh||( 2)||hh||mm||hh||PM||hh||180||hh||345||hh||如不安全安全手机：
式中：dp=de+24
dp2 = de2 + 2.
A.值见表4。
D| |tt||型
大带轮时间设计：
JB/T 5983—92
i=ni/n2dpz/ dpl
de2 = duz - 24,
del1de2 电影设计值选取表5的进表系列中值。表5
带轮进系系d 。
35.5| |tt||37.5
56||tt ||60
346| |tt||170
265||tt ||280
180| |tt||200
300||tt ||315
750| |tt||PM
236||tt ||250
750| |hh||800||hh||850||hh||900||hh||950||hh||1000||hh||1120||hh||3||hh||mm||hh ||（4）||hh||mm||hh||5.6 免费初定时间L. L。，电影电影时间L。Le = 2aa + 1.57(de + dez)+ (dea — der)2/4ao式中：a由电视来交书乐，或在0.7(del十de)a<2( de十d2) 这是选取L电影L。由表6选取。
longitudinal seriesLe
475| |tt||500
900||tt ||950
2500| |tt||PL
1800||tt ||1900
4750| 5.6. 2 安全中心图talla
u = a+ (L- L)/2
5.7 Determine the center distance adjustment amount
According to Figure 2 and Table 7, check the center distance adjustment amount △, 8. The range of center distance variation is: (a -) ~ (a + △). PM
3350| |tt||3550
6300||tt ||6700
11 200
13200||tt| |14 000
valid Length L
450500
>500~750
>750~1 000
1000~~1250
≥1 250~~1 500|| tt||1 500-~1 800
≥1 800~2 000
>2 000-~2 500
1 250-1 500
>1 500 ~1 800
>1 800-2 000
>2 000~2 240
>2 240~~2 500
2 500~3 000||tt ||3000~4000
>4 000-~5 000
>50006000
2 240~~2 500
>2 500~3 000||tt| |≥3 000-~4 000
≥4 000~5 000
5 000~6 000
>6 000-6 700
≥6 700-~ 8 500
>8500~10000
>10 000~11 800
>11 800~16 000
5.8 Calculate the small pulley wrap angle α1 and determine the wrap angle Coefficient K. JB/T 5983—92
Figure 2
Table?
16|| tt||18
29||tt| |34
α 180\ - 57.3° X (d2 de1)/aK. Check it out from Table 8.
16|| tt||18
27||tt| |29
small wheel corner||tt ||(\)
163||tt ||160
Determine the belt length coefficient K,
K is obtained from Table 9.
Effective length Le
2360|| tt||2500
4000||tt| |4500
10000
JB/T 5983--92
Table 8
wrapping angle correction coefficient
0.97||tt| |0.96
0.87| |tt||0.89
1.04||tt ||1.08
Table 9
small wheel wrap angle
99| |tt||95
Belt length correction coefficient KL
0.85||tt| |0.87
1.11|| tt||wrapping angle correction coefficient
c3.93||tt ||Q.94
1.04||tt ||1. 05
Determine the belt per wedge The basic rated power transmitted and the power increment caused by the transmission ratio (P, + △P,) 5.10
When the transmission is smooth, α1=180°, and a specific belt length is used, the basic rated power transmitted by each mode of the belt P, and the power increment AP caused by the transmission ratio i, are shown in Table 10~Table 12.
small wheel
1100| |tt||1160
20||tt ||0.01
0.01 0.01
0.01|| tt||0.01
0.01|| tt||0. 01
0. 01 1 0. 01 0. 01
JB/T 5983-92
42.5|| tt||0.011
0. 02 0, 02
0. 0310. 03
0.01 10. 0210. 02/0.03||tt| |0.03
0. 0110. 02
0. 020 . 04
0. 02 0. 031
0.01 0. 02
10.03||tt| |0.01
0.0410. 05||tt| |0.04
().05||tt ||0.06
45147.550
The wheel has
601 63
Effectiveness
PJ type poly-ribbed belt when the wrapping angle is 180°, each wedge transmits 0.020. 020. 03:0. 030. 030. 040. 040. 040.03
0. 040. 04; 0. 040. 040. 05j0. 060.04
10. 04 10. 040. 05 0. 05 0. 06 0. 0610. 07;0. 07 :0. 04
0. 040. 050. 060. 060. 07|0. 070. 07|0. 080. 100. 05 0. 060 . 07 0. 070. 07 0. 08 0. 09/. 100. 110. 05
0 . 06 1 0. 07
0. 06 0. 07 10. 07
0. 05j0.07
10.07|| tt||0.06
0.07||tt| |0.07
30.090.100.100.1110.13
0. 06 /0. 070. 07 :0. 08
0. 07|0.080.090.100.10/0.11[0. 12j0. 14[0.08/0.09|0.10|0.11|0.120. 130. 130. 160.07|| tt | .14[0.150.160.1910.100.10|0.11]0.13|0.130.14[0.160.17;0.190.09
0.100.110.120.130.140.150.160.17/0.200.09
0.10|| tt | |tt||10.09
0. 040. 051
1 700 0. 01
0.030.040.06
0.030.040.06
0. 010.03
0.04| |tt||0.10
0. 071 0. 10
0. 06 ↓ 0. 08
0.11 0. 130.13 0.15j0. 160. 17]0. 190. 20|0. 230.120.130.140.160.16j0.18.19!0.210.230.110.13 ↓o.14j0.15jo.160.18jo.19|0.21 o.220.250.12
0.120.13||tt| |0.13|0.14
0. 10 / 0. 12↓
0.15|0. 16|0. 170.190.200.220.23/0.270.150.16jo.180. 19|0.21j0.22|0. 24 0. 285|0.160.180.19|0.21|0.22[0.25|0.280. 15
7/0.19/0.20/0.22,0.24/0.250.300.150.160.17
0.15 |0.160.180.190. 22j0. 230. 25|0. 270.310. 16 |0. 18|0. 19/0. 21|0. 23/0. 25/0. 27/0. 29/0. 34]10
basic rated power P,，kw||tt ||0.04
0. 040.06
0.10| |tt||0.13
0.20| |tt||0.21
112||tt ||125
0. 06 ↓ 0. 07
0.1610.20
10.30||h||0.30||h||0.31||h||0.31||h||0.31||h||0.32||h||0.33||h||0.34||h||0.33| |tt||0.34
0.28||tt ||0.31
0. 250.28
0.40| |tt||0.40
0.3710.39
0.46| |tt||0.48
0.37||tt ||0.38
0. 3510.39
0.49| |tt||0.51
0.50||tt ||0.53
JB/T 5983--92
0.44| |tt||17
0.47| |tt||0.51
0.67||tt ||0.00
比||tt ||1.191.27
.261.38
0. 000,000. 000.0010. 000,000. 000.00
0.000. 00
0.00| |tt||0.00
0.00||tt ||0.00
0.0010.000.000.00 0.000.000.000. 00 10. 0010. 000. 000. 000. 00|0. 000.00
0. 000. 00:0. 000. 000. 00: 0. 000.00
0.000.000.00:0.000.01
0. 0110. 01
0. 000. 000. 01|0. 01|0. 01
0.000. 00.00. 010. 010.01 0, 010.01
0. 000. 000. 010. 010.0110. 010. 010. 000. 000. 010. 010. 0110. 010. 011 0. 010.00
0.000.010.010.01 0.01
0.01||tt ||0.00:0.010.01
10.000.010.010.010.010.010.0110. 000. 010.010. 010.010. 01:0. 010.00
0.010.010.010.010
0. 010. 01 0. 01
0.010.010.01 0.01
10.010.01
0.01||tt ||0.01
0.0110.010.011
0.010.010.01||tt ||0.000.000,010.010.010.010.010.010.000.00
0. 000.00
0.000. 01
0.01:0. 010. 01
0.01 0. 010.01
0. 000. 010. 0110. 010. 0
0.000.010.01
0. 000.010.01
0.01.0.01
0. 01.0.01
0. 0110. 01
0. 00 0. 000. 01|0. 0110. 01|0. 010. 01|0. 011 0. 01351
010.000.00
0. 000.00
0.000. 01
0.01:0. 010. 01
0.01 0. 010.01
0. 000. 010. 0110. 010. 0
0.000.010.01
0. 000.010.01
0.01.0.01
0. 01.0.01
0. 0110. 01
0. 00 0. 000. 01|0. 0110. 01|0. 010. 01|0. 011 0. 01351
010.000.00
0. 000.00
0.000. 01
0.01:0. 010. 01
0.01 0. 010.01
0. 000. 010. 0110. 010. 0
0.000.010.01
0. 000.010.01
0.01.0.01
0. 01.0.01
0. 0110. 01
0. 00 0. 000. 01|0. 0110. 01|0. 010. 01|0. 011 0. 01351
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.
Multi-belt transmission design method
Subject content and scope of application
This standard specifies the design method of multi-V belt transmission. This standard is applicable to the applications specified in the standard. The design of three types of poly-V belt transmissions: PJ, PL and PM. 2 Reference standards
Belt drive terminology
GB6931
3 Terminology and codes
3.1 The terminology of this standard is in accordance with the provisions of GB6931.1~6931.2. 3.2 The codes used in this standard See Table 1.
Table 1
Generation
a| |tt||K.
No.| |tt||Parameter name
Design power
Power to be transmitted
Working condition coefficient
Transmission ratio
Small pulley speed||tt| |Large pulley speed
Small pulley pitch diameter
Large pulley pitch diameter
Effective line difference
Small pulley effective diameter
Effective diameter of the large pulley
effective length of the belt
center distance
preliminary effective length of the belt
preliminary center distance
reduced center distance Amount
increase in center distance
small pulley wrap angle
wrapper angle correction coefficient
belt length correction coefficient
basic rated power transmitted by each wedge
Power increment caused by transmission ratio
Number of belt wedges, number of pulley grooves
Belt speed
Effective pulling force
People's Republic of China The Ministry of Mechanical and Electronic Industry approved JB/T 5983—92
r/min on 1992-07-17
mm|| tt||mm
1993-07-01 implementation
generation
F||tt ||K.
Original design datawww.bzxz.net
4.1 prime mover and working machine type;
4.2 Daily operation time t,
4.3 Power to be transmitted P;
4.4. Small pulley speed nl;
4.5 Large pulley Speed ??n2
4.6 Initial center distance a or center distance range
4.7 Special requirements for transmission space and other aspects. 5 Design Steps
5.1 Determine the design power P.
where: K is shown in Table 2.
Condition
JB/T 5983-92
Continued Table 1
Parameter name
Tight edge tension||tt| |Loose edge tension
Wedging coefficient between belt and pulley
Last axis force
Vertical force applied when measuring the initial tension
Deflection
Pa=KAP
Table 2
Prime mover type
Single
N||tt ||mm
AC motor (normal torque, squirrel cage type, "AC motor (large Torque, large slip, synchronous, split-phase), DC motor (parallel excited), internal combustion engine
Continuous operation every day
Liquid stirring blowers and exhaust devices, centrifugal pumps and compressors, fans with power below 7.5kW (including 7.5kW); light conveyors
belt conveyors (sand, dust, etc.), dough mixers , fans and generators with power exceeding .5k; washing machines + machine tools, punches, presses, shears, printing machines, reciprocating vibrating screens, positive displacement rotary pumps
brick making machines, bucket elevators , exciter, piston compressor, conveyor (chain plate type, disc type, spiral type), forging machine tools; pulpers for papermaking, plunger pumps, positive displacement blowers, crushers, sawing machines and woodworking machinery||tt| |344
continuously running every day
continuously running
continuously running every day
continuously running|| tt | |Continue operation
Continuous operation every day
Continuous operation every day
Continuous operation||tt ||>6～16 h>16~24 h
1.6|| tt | machine)
Throttle machinery
JB/T 5983--92
Continued Table 2
Type of prime mover
AC motor (normal torque, Squirrel cage, synchronous, split-phase). DC motor (parallel excited), internal combustion engine
Continuous operation per dog
Continuous operation
1.3||tt| |2.0
5.2 If a tensioner is used, add the following values ??to KA: The tensioner is located inside the loose edge: 0:
The tensioner is located outside the loose edge: 0.1; || tt||The tensioning wheel is located inside the tight edge: 0.1;
The tensioning wheel is located outside the tight edge: 0.2.
5.3 Select the belt type
According to n and P: Select the belt type from Figure 1.
Home Business Collection Hot Food National Children Service Provider
4.00||tt| |300
5.4 Calculate the transmission ratio
.5.5 Determine the effective diameter of the pulley dl, de2
continuous operation every day
continuous operation
continuous operation every day
>6～16 h||tt ||[>16~24 h
AC motor (large torque, large slip rate, single phase, slip ring, series excitation). DC electric motor
machine (re-excitation)||tt ||Continuous operation every day
continuous operation
design power Pa, kw
Figure 1
i=n/n2
The effective diameter of the small pulley: del three dlemin, see table 3 for demin. Table 3
20304050
Continuous operation every day
1≥6~~16 h
everyday连
组设计
>16-~24 h
200 300400500||hh||100||hh||( 2)||hh||mm||hh||PM||hh||180||hh||345||hh||如不安全安全手机：
式中：dp=de+24
dp2 = de2 + 2.
A.值见表4。
D| |tt||型
大带轮时间设计：
JB/T 5983—92
i=ni/n2dpz/ dpl
de2 = duz - 24,
del1de2 电影设计值选取表5的进表系列中值。表5
带轮进系系d 。
35.5| |tt||37.5
56||tt ||60
346| |tt||170
265||tt ||280
180| |tt||200
300||tt ||315
750| |tt||PM
236||tt ||250
750| |hh||800||hh||850||hh||900||hh||950||hh||1000||hh||1120||hh||3||hh||mm||hh ||（4）||hh||mm||hh||5.6 免费初定时间L. L。，电影电影时间L。Le = 2aa + 1.57(de + dez)+ (dea — der)2/4ao式中：a由电视来交书乐，或在0.7(del十de)a<2( de十d2) 这是选取L电影L。由表6选取。
longitudinal seriesLe
475| |tt||500
900||tt ||950
2500| |tt||PL
1800||tt ||1900
4750| 5.6. 2 安全中心图talla
u = a+ (L- L)/2
5.7 Determine the center distance adjustment amount
According to Figure 2 and Table 7, check the center distance adjustment amount △, 8. The range of center distance variation is: (a -) ~ (a + △). PM
3350| |tt||3550
6300||tt ||6700
11 200
13200||tt| |14 000
valid Length L
450500
>500~750
>750~1 000
1000~~1250
≥1 250~~1 500|| tt||1 500-~1 800
≥1 800~2 000
>2 000-~2 500
1 250-1 500
>1 500 ~1 800
>1 800-2 000
>2 000~2 240
>2 240~~2 500
2 500~3 000||tt ||3000~4000
>4 000-~5 000
>50006000
2 240~~2 500
>2 500~3 000||tt| |≥3 000-~4 000
≥4 000~5 000
5 000~6 000
>6 000-6 700
≥6 700-~ 8 500
>8500~10000
>10 000~11 800
>11 800~16 000
5.8 Calculate the small pulley wrap angle α1 and determine the wrap angle Coefficient K. JB/T 5983—92
Figure 2
Table?
16|| tt||18
29||tt| |34
α 180\ - 57.3° X (d2 de1)/aK. Check it out from Table 8.
16|| tt||18
27||tt| |29
small wheel corner||tt ||(\)
163||tt ||160
Determine the belt length coefficient K,
K is obtained from Table 9.
Effective length Le
2360|| tt||2500
4000||tt| |4500
10000
JB/T 5983--92
Table 8
wrapping angle correction coefficient
0.97||tt| |0.96
0.87| |tt||0.89
1.04||tt ||1.08
Table 9
small wheel wrap angle
99| |tt||95
Belt length correction coefficient KL
0.85||tt| |0.87
1.11|| tt||wrapping angle correction coefficient
c3.93||tt ||Q.94
1.04||tt ||1. 05
Determine the belt per wedge The basic rated power transmitted and the power increment caused by the transmission ratio (P, + △P,) 5.10
When the transmission is smooth, α1=180°, and a specific belt length is used, the basic rated power transmitted by each mode of the belt P, and the power increment AP caused by the transmission ratio i, are shown in Table 10~Table 12.
small wheel
1100| |tt||1160
20||tt ||0.01
0.01 0.01
0.01|| tt||0.01
0.01|| tt||0. 01
0. 01 1 0. 01 0. 01
JB/T 5983-92
42.5|| tt||0.011
0. 02 0, 02
0. 0310. 03
0.01 10. 0210. 02/0.03||tt| |0.03
0. 0110. 02
0. 020 . 04
0. 02 0. 031
0.01 0. 02
10.03||tt| |0.01
0.0410. 05||tt| |0.04
().05||tt ||0.06
45147.550
The wheel has
601 63
Effectiveness
PJ type poly-ribbed belt when the wrapping angle is 180°, each wedge transmits 0.020. 020. 03:0. 030. 030. 040. 040. 040.03
0. 040. 04; 0. 040. 040. 05j0. 060.04
10. 04 10. 040. 05 0. 05 0. 06 0. 0610. 07;0. 07 :0. 04
0. 040. 050. 060. 060. 07|0. 070. 07|0. 080. 100. 05 0. 060 . 07 0. 070. 07 0. 08 0. 09/. 100. 110. 05
0 . 06 1 0. 07
0. 06 0. 07 10. 07
0. 05j0.07
10.07|| tt||0.06
0.07||tt| |0.07
30.090.100.100.1110.13
0. 06 /0. 070. 07 :0. 08
0. 07|0.080.090.100.10/0.11[0. 12j0. 14[0.08/0.09|0.10|0.11|0.120. 130. 130. 160.07|| tt | .14[0.150.160.1910.100.10|0.11]0.13|0.130.14[0.160.17;0.190.09
0.100.110.120.130.140.150.160.17/0.200.09
0.10|| tt | |tt||10.09
0. 040. 051
1 700 0. 01
0.030.040.06
0.030.040.06
0. 010.03
0.04| |tt||0.10
0. 071 0. 10
0. 06 ↓ 0. 08
0.11 0. 130.13 0.15j0. 160. 17]0. 190. 20|0. 230.120.130.140.160.16j0.18.19!0.210.230.110.13 ↓o.14j0.15jo.160.18jo.19|0.21 o.220.250.12
0.120.13||tt| |0.13|0.14
0. 10 / 0. 12↓
0.15|0. 16|0. 170.190.200.220.23/0.270.150.16jo.180. 19|0.21j0.22|0. 24 0. 285|0.160.180.19|0.21|0.22[0.25|0.280. 15
7/0.19/0.20/0.22,0.24/0.250.300.150.160.17
0.15 |0.160.180.190. 22j0. 230. 25|0. 270.310. 16 |0. 18|0. 19/0. 21|0. 23/0. 25/0. 27/0. 29/0. 34]10
basic rated power P,，kw||tt ||0.04
0. 040.06
0.10| |tt||0.13
0.20| |tt||0.21
112||tt ||125
0. 06 ↓ 0. 07
0.1610.20
10.30||h||0.30||h||0.31||h||0.31||h||0.31||h||0.32||h||0.33||h||0.34||h||0.33| |tt||0.34
0.28||tt ||0.31
0. 250.28
0.40| |tt||0.40
0.3710.39
0.46| |tt||0.48
0.37||tt ||0.38
0. 3510.39
0.49| |tt||0.51
0.50||tt ||0.53
JB/T 5983--92
0.44| |tt||17
0.47| |tt||0.51
0.67||tt ||0.00
比||tt ||1.191.27
.261.38
0. 000,000. 000.0010. 000,000. 000.00
0.000. 00
0.00| |tt||0.00
0.00||tt ||0.00
0.0010.000.000.00 0.000.000.000. 00 10. 0010. 000. 000. 000. 00|0. 000.00
0. 000. 00:0. 000. 000. 00: 0. 000.00
0.000.000.00:0.000.01
0. 0110. 01
0. 000. 000. 01|0. 01|0. 01
0.000. 00.00. 010. 010.01 0, 010.01
0. 000. 000. 010. 010.0110. 010. 010. 000. 000. 010. 010. 0110. 010. 011 0. 010.00
0.000.010.010.01 0.01
0.01||tt ||0.00:0.010.01
10.000.010.010.010.010.010.0110. 000. 010.010. 010.010. 01:0. 010.00
0.010.010.010.010
0. 010. 01 0. 01
0.010.010.01 0.01
10.010.01
0.01||tt ||0.01
0.0110.010.011
0.010.010.01||tt ||0.000.000,010.010.010.010.010.010.000.00
0. 000.00
0.000. 01
0.01:0. 010. 01
0.01 0. 010.01
0. 000. 010. 0110. 010. 0
0.000.010.01
0. 000.010.01
0.01.0.01
0. 01.0.01
0. 0110. 01
0. 00 0. 000. 01|0. 0110. 01|0. 010. 01|0. 011 0. 01351
010.000.00
0. 000.00
0.000. 01
0.01:0. 010. 01
0.01 0. 010.01
0. 000. 010. 0110. 010. 0
0.000.010.01
0. 000.010.01
0.01.0.01
0. 01.0.01
0. 0110. 01
0. 00 0. 000. 01|0. 0110. 01|0. 010. 01|0. 011 0. 01351
010.000.00
0. 000.00
0.000. 01
0.01:0. 010. 01
0.01 0. 010.01
0. 000. 010. 0110. 010. 0
0.000.010.01
0. 000.010.01
0.01.0.01
0. 01.0.01
0. 0110. 01
0. 00 0. 000. 01|0. 0110. 01|0. 010. 01|0. 011 0. 01351
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