
GB/T 11355-1989 Calculation of rated power of V-belt transmission
time:
2024-08-06 12:35:20
- GB/T 11355-1989
- Abolished
Standard ID:
GB/T 11355-1989
Standard Name:
Calculation of rated power of V-belt transmission
Chinese Name:
V带传动 额定功率的计算
Standard category:
National Standard (GB)
-
Date of Release:
1989-06-01 -
Date of Implementation:
1990-01-01 -
Date of Expiration:
2008-10-01
Standard ICS number:
Mechanical systems and general parts>>Flexible transmission and transmission>>21.220.20 Cable or rope transmission and parts thereofChina Standard Classification Number:
Machinery>>General Parts>>J18 Chain Drive, Belt Drive and Key Connection
alternative situation:
Replaced by GB/T 11355-2008Procurement status:
≡ISO 5292-80
Release date:
1989-06-12Review date:
2004-10-14Drafting Organization:
Mechanical Standardization InstituteFocal point Organization:
China Machinery Industry FederationPublishing Department:
State Bureau of Technical SupervisionCompetent Authority:
China Machinery Industry Federation

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Summary:
This standard specifies the calculation formulas for the rated power and correction items and correction coefficients of open transmissions in industrial V-belt transmissions. This standard applies to the cross-sections of V-belts specified in the current national standards, and also to the cross-sections of V-belts that are under development. GB/T 11355-1989 Calculation of rated power of V-belt transmissions GB/T11355-1989 Standard download decompression password: www.bzxz.net

Some standard content:
National Standard of the People's Republic of China
V-belt drives
Calculation of power ratings
V-belt drives
-Calculation of power ratingsThis standard is equivalent to ISO5292-1980 "Industrial V-belt drives-Calculation of rated power". Subject content and scope of application
GB 11355-89
ISO5292-1980
This standard specifies the calculation formulas for the rated power and correction items and correction factors of open drives in industrial V-belt drives. This standard applies to V-belt cross-sections specified in current national standards and also to cross-sections of V-belts that are under development. 2 Terminology
Rated power: The power that a given V-belt can transmit within a specified time period under the conditions of correct installation and maintenance of the transmission device, according to the specified geometric dimensions and environmental conditions. The rated power is a function of the cross-section of the V-belt, the pitch diameter of the small pulley and the angular velocity of the small pulley. The correction items or correction factors for transmission ratio, wrap angle and belt length are all included in the calculation formula. 3 Calculation formula
The calculation formula for rated power is:
P = K.(P + API + AP2)
Where: K. 1.25(1 5a/a)
P = d,ai[Ci
APi - Crd,oilog
C:(d, i)2 -- Cglog(d,w1))
1+1g-1)
AP2 = d,iC dog
Rated power, kW;bZxz.net
Basic rated power, kW;
Angular velocity of small pulley, rad/s;
Pitch diameter of small pulley.mm;
Additional power value caused by transmission ratio, kW;AP
AP2——Additional power value caused by belt length, kW;Lg
Specific length of a belt, mm;
L-actual length of belt, mm;
In the reference width system, L and Lo adopt the reference length; in the effective width system, L and 1 adopt the pitch line obtained by conversion from the effective length. Approved by the State Administration of Technical Supervision on June 12, 1989, 182
Implementation on January 1, 1990
GB11355—
is the larger value of center and center, is the transmission ratio; Ch, Cz, C, Ca
is the specific quality level of the belt and the parameters that meet the specified time period (the parameters of belts of different models or different quality grades produced by the same manufacturer may be different), a
is the small pulley wrap angle, rad (if expressed in degrees, K should be replaced by 180° in the calculation formula); K is the wrap angle correction coefficient.
Additional instructions:
This standard is proposed by the Ministry of Machinery and Electronics Industry of the People's Republic of China. This standard is under the jurisdiction of the Mechanical Standardization Research Institute of the Ministry of Machinery and Electronics Industry. This standard is drafted by Shanghai University of Engineering Science and the Mechanical Standardization Research Institute of the Ministry of Machinery and Electronics Industry. 183
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.
V-belt drives
Calculation of power ratings
V-belt drives
-Calculation of power ratingsThis standard is equivalent to ISO5292-1980 "Industrial V-belt drives-Calculation of rated power". Subject content and scope of application
GB 11355-89
ISO5292-1980
This standard specifies the calculation formulas for the rated power and correction items and correction factors of open drives in industrial V-belt drives. This standard applies to V-belt cross-sections specified in current national standards and also to cross-sections of V-belts that are under development. 2 Terminology
Rated power: The power that a given V-belt can transmit within a specified time period under the conditions of correct installation and maintenance of the transmission device, according to the specified geometric dimensions and environmental conditions. The rated power is a function of the cross-section of the V-belt, the pitch diameter of the small pulley and the angular velocity of the small pulley. The correction items or correction factors for transmission ratio, wrap angle and belt length are all included in the calculation formula. 3 Calculation formula
The calculation formula for rated power is:
P = K.(P + API + AP2)
Where: K. 1.25(1 5a/a)
P = d,ai[Ci
APi - Crd,oilog
C:(d, i)2 -- Cglog(d,w1))
1+1g-1)
AP2 = d,iC dog
Rated power, kW;bZxz.net
Basic rated power, kW;
Angular velocity of small pulley, rad/s;
Pitch diameter of small pulley.mm;
Additional power value caused by transmission ratio, kW;AP
AP2——Additional power value caused by belt length, kW;Lg
Specific length of a belt, mm;
L-actual length of belt, mm;
In the reference width system, L and Lo adopt the reference length; in the effective width system, L and 1 adopt the pitch line obtained by conversion from the effective length. Approved by the State Administration of Technical Supervision on June 12, 1989, 182
Implementation on January 1, 1990
GB11355—
is the larger value of center and center, is the transmission ratio; Ch, Cz, C, Ca
is the specific quality level of the belt and the parameters that meet the specified time period (the parameters of belts of different models or different quality grades produced by the same manufacturer may be different), a
is the small pulley wrap angle, rad (if expressed in degrees, K should be replaced by 180° in the calculation formula); K is the wrap angle correction coefficient.
Additional instructions:
This standard is proposed by the Ministry of Machinery and Electronics Industry of the People's Republic of China. This standard is under the jurisdiction of the Mechanical Standardization Research Institute of the Ministry of Machinery and Electronics Industry. This standard is drafted by Shanghai University of Engineering Science and the Mechanical Standardization Research Institute of the Ministry of Machinery and Electronics Industry. 183
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.
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