JB/T 10563-2006 PDF in English
JB/T 10563-2006 (JB/T10563-2006, JBT 10563-2006, JBT10563-2006)
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| JB/T 10563-2006 | English | 85 |
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Technical specification for general purposes centrifugal fans
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Standards related to (historical): JB/T 10563-2006
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JB/T 10563-2006: PDF in English (JBT 10563-2006) JB/T 10563-2006
JB
MACHINERY INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 23.120
J 72
Record No.. 20411-2007
Technical Specification for
General Purposes Centrifugal Fans
ISSUED ON. JULY 27, 2006
IMPLEMENTED ON. OCTOBER 11, 2006
Issued by. National Development and Reform Commission of the PRC
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Technical Requirements ... 5
4 Test Methods ... 13
5 Inspection Rules ... 14
6 Warranty Period ... 16
7 Mark and Package ... 16
Foreword
This Standard was adjusted into the machinery industry standard by GB/T 13275-1991
Technical Specification for General Purposes Centrifugal Fans.
This Standard was proposed by China Machinery Industry Federation.
This Standard shall be under the jurisdiction of National Technical Committee for
Standardization of Fans (SAC/TC187).
Drafting organizations of this Standard. Shenyang Blower Works Research Institute.
Chief drafting staffs of this Standard. Guo Qingfu and Li Jianwei.
This Standard was first-time published.
Technical Specification for
General Purposes Centrifugal Fans
1 Scope
This Standard specifies the technical requirements, test methods, inspection rules,
warranty period, mark and package of general purposes centrifugal fans (hereinafter
referred to as “fan”).
This Standard is applicable to the ventilation system, air conditioner, and centrifugal
fan used for the industrial production. Its transport medium is air or other gas mixture
containing no corrosive substance, with the maximum fan pressure no greater than
30kPa. The medium inlet temperature shall be no greater than 80°C, the dust content
and the content of other solid impurities shall be no more than 100mg/m3; the medium
shall contain no sticky or other materials.
2 Normative References
The provisions in following documents become the provisions of this Standard through
reference in this Standard. For dated references, the subsequent amendments
(excluding corrigendum) or revisions do not apply to this Standard, however, parties
who reach an agreement based on this Standard are encouraged to study if the latest
versions of these documents are applicable. For undated references, the latest edition
of the referenced document applies.
GB/T 275 Shaft and Housing Fits for Rolling Bearings
GB/T 1171 Classical V-Belt for General Drive
GB/T 1236 Industrial Fans - Performance Testing Using Standardized Airways
GB/T 2888 Methods of Noise Measurement for Fans Blowers Compressors and
Roots Blowers
GB/T 3181 Colour Standard for Paint Film
GB/T 3235 Basic Types, Sizes Parameters and Performance Curve of Fans
GB/T 4323 Pin Coupling with Elastic Sleeve
GB/T 10178 Industrial Fans - Performance Testing In-Situ
GB/T 13306 Plates
GB/T 19074 Industrial Fans - Mechanical Safety of Fans – Guarding
JB/T 6444 General Specifications for Packaging of Fans Blowers Compressors
JB/T 6445 Overspeed Test for Industrial Fan Impeller
JB/T 6886 Technical Specification for Fan Painting
JB/T 6887 Technical Condition of Cast Iron for Fans Blower and Compressors
JB/T 6888 Technical Condition of Cast Steel Used for Fan Blower and Compressor
JB/T 8689 Fan Vibration Detection and Its Limited Value
JB/T 8690 Industrial Fans Noise Limited Value
JB/T 9101 Fan Rotor Balance
JB/T 10213 Specifications for Fan Welding Inspection
JB/T 10214 Specifications of Riveting and Welding Part for Fans
3 Technical Requirements
3.1 Drawing and technical document
The fan shall conform to the provisions of this Standard, and be manufactured as per
the drawing and technical document approved by the stipulated procedure, as well as
the agreement between supplier and purchaser.
3.2 Product performance
3.2.1 Aerodynamic performance test shall be carried out against each series of fans;
and draw the typical aerodynamic performance curve.
3.2.2 At rated speed, in the working area, the deviation between the actually
measured aerodynamic performance curve and the typical performance curve of fan
shall conform to the following provisions.
a) Under prescribed pressure or static press of the fan, the corresponding flow
deviation is ±5%; or under the prescribed flow, the corresponding deviation of
fan pressure or static press is ±5%;
performed.
3.3.5 Bearing
3.3.5.1 Generally, the fan selects rolling bearing or sliding bearing, their
specifications and dimensions shall conform to the provisions of relevant standards.
3.3.5.2 Select the thrust bearing that can withstand the additional thrust generated
by the fan.
3.3.5.3 The fit between sliding bearing and shaft & shell shall conform to the
provisions of GB/T 275.
3.3.5.4 Bearing shall be firmly installed in the bearing housing; each bearing shall
maintain the same axial center.
3.3.5.5 The sliding bearing shall select the lubricating grease or thin oil lubrication
that meet the usage conditions.
3.3.5.6 The shaft hole on the bearing shall be equipped with shaft seal that prevent
the leakage of lubricating grease or thin oil lubrication, as well as the erosion of
impurities.
3.3.6 Coupling
The fan shall select coupling as per GB/T 4323.
3.3.7 Belt pulley
3.3.7.1 Generally, fan shall select the ordinary V-belt pulley, made of cast iron.
3.3.7.2 The ordinal V-belt shall conform to the provisions of GB/T 1171; the belt speed
shall not exceed 25m/s.
3.3.7.3 The not fully machined belt pulley shall perform balance calibration as per the
provisions of JB/T 9101.
3.3.8 Inlet deflector
3.3.8.1 Generally, for the fan with Device No. 7.1 and above shall be equipped with
inlet deflector and other adjusting device.
3.3.8.2 The deflector can be made into axial or radial forms, the fan generally select
the axial deflector.
3.3.8.3 Generally, the deflector is adjusted manually; if it is required by the purchaser,
it can select the automatically adjusting deflector.
3.3.2.9 For the direct drive fan, the shell shall be firmly connected with the motor or
base seat, so that the shell center maintains consistently with the motor axis; and have
sufficient strength to withstand the dynamic load during the running period; for the fan
with other running modes, the shell center shall be consistent with the bearing axis.
3.3.2.10 The pipes connecting with the inlet and outlet of the shell shall be equipped
with independently support, and no outside force is allowed to exerted to the shell.
3.3.2.11 Shell shall be equipped with lifting lugs.
3.3.3 Impeller
3.3.3.1 Generally, the impeller has the welding structure; the welding quality shall
conform to the provisions of JB/T 10213.
3.3.3.2 The wheel disc and hub adopt clearance fit, generally connect with rivets; the
riveting quality shall conform to the provisions of JB/T 10214; welding structure form
can also be adopted between the wheel disc and hub.
3.3.3.3 The splicing of wheel disc and wheel cap shall ensure the strength, and
conform to the provisions of JB/T 10214.
3.3.3.4 Each impeller shall perform balance calibration, its balance quality grade
shall conform to the provision of JB/T 9101.
3.3.3.5 The impeller shall meet the requirement for 110% maximum working speed,
and conform to the provisions of JB/T 6445.
3.3.3.6 Generally, the impeller and spindle are connected with key; the hole and shaft
are generally transitionally fit; there is fastening device in the vertical position of the
shaft, which shall not be loose during the running period.
3.3.3.7 Impeller shall have sufficient rigidity; no deformation shall be generated
during the handling and running processes.
3.3.3.8 The molded line, splicing and processing accuracy of blade shall conform to
the provisions of JB/T 10214.
3.3.3.9 The unprocessed surface of the impeller shall, according to GB/T 3181, paint
bright red R03 and conform to the provisions of contract.
3.3.4 Spindle
3.3.4.1 Generally, the spindle is made of superior-quality carbon steel or alloy steel;
and has sufficient strength and rigidity.
3.3.4.2 When spindle is made of forged steel, stress relief treatment shall be
3.7.1.5 The bearing place shall be free from oil leakage.
3.7.1.6 The processing surfaces of spindle, coupling, belt pulley shall be painted with
grease or use other methods to perform the anti-rust action.
3.7.1.7 Before shipment, the inside and outside of the fan shall be cleaned.
3.7.2 Complete set
3.7.2.1 The general supply scope of fan shall contain the following contents.
a) Fan body;
b) Motor;
c) Transmission gear (excluding direct connection);
d) Coupling (coupling transmission mode);
e) Belt pulley and ordinary V-belt (belt transmission mode);
f) Guard (excluding direct connection);
g) Guide rail (belt transmission mode);
h) Ground bolt;
i) Product certificate;
j) Product instruction book.
3.7.2.2 According to the demand of the purchaser, the fan with Device No.7.1 and
above is provided with deflector and other adjusting devices.
3.7.2.3 According to the demand of the purchaser, the muffler and monitoring
instrument can be provided.
3.7.3 Installation
...
......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.
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