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GB 15323-2009: Inner tube of aircraft tyres
Status: Valid GB 15323: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB 15323-2009 | English | 229 |
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Inner tube of aircraft tyres
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GB 15323-2009
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| GB 15323-1994 | English | 279 |
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Inner tube for pneumatic tyre of aircraft
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GB 15323-1994
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PDF similar to GB 15323-2009
Basic data | Standard ID | GB 15323-2009 (GB15323-2009) | | Description (Translated English) | Inner tube of aircraft tyres | | Sector / Industry | National Standard | | Classification of Chinese Standard | G41 | | Classification of International Standard | 83.160.20 | | Word Count Estimation | 10,170 | | Date of Issue | 2009-12-15 | | Date of Implementation | 2010-10-01 | | Older Standard (superseded by this standard) | GB 15323-1994 | | Quoted Standard | GB/T 532; GB/T 6326; GB/T 15324; HG 2195; HG 2484; HG 2485 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 15 of 2009 (total 155) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Chinese standard specifies the requirements of civil aviation tire tube, test methods, inspection rules, marking, storage and use. This standard applies to all types of civil aviation tires. | GB 15323-2009: Inner tube of aircraft tyres---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Inner tube of aircraft tyres
ICS 83.160.20
G41
National Standards of People's Republic of China
Replacing GB 15323-1994
Aviation tire tube
Posted 2009-12-15
2010-10-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
The standard Chapter 4, Chapter 7 are mandatory, the rest are recommended.
This standard replaces GB 15323-1994 "aviation tire tube."
The main differences between this standard and GB 15323-1994 are.
--- Adds new aviation tube specifications (Excerpts of Table 1, Table 2);
--- Increased aviation tube supporting the valve model (Excerpts of Table 1, Table 2);
--- Increased physical performance tube (edition 4.4);
--- Increased sampling and testing content measuring tube thickness (edition 5.2);
--- Increasing the representation of the contents of the tube size marks (edition 4.1);
--- Added Appendix A;
--- Remove the packaging content (1994 edition 6.2).
Appendix A of this standard is an informative annex.
The standard proposed by China Petroleum and Chemical Industry Association.
The standard tire rim by the National Technical Committee of Standardization Technical Committee centralized aircraft tires.
This standard was drafted. Rubber Group Shuguang Rubber Industry Research and Design Institute, Shenyang third rubber plant, Yinchuan Rubber Factory.
The main drafters of this standard. Wang Shunyi, Song Yuliang, Qi Liping.
This standard replaces the standard for the previous editions.
--- GB 15323-1994.
Aviation tire tube
1 Scope
This standard specifies the requirements of civil aviation tire tube, test methods, inspection rules, marking, storage and use.
This standard applies to all types of civil aviation tires.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 532 vulcanized rubber or thermoplastic rubber and fabric adhesive strength was measured (GB/T 532-2008, ISO 36.2005, IDT)
GB/T 6326 tires terms and definitions (GB/T 6326-2005, ISO 4223-1.2002, NEQ)
GB/T 15324 aviation tire tube physical performance test method
HG2195 aviation and maintenance of tires
HG2484 aviation tube valve
HG2485 aviation tube valve core
3 Terms and Definitions
Terms and definitions GB/T 6326 established apply to this standard.
4 Requirements
4.1 tube size designation
4.1.1 British flag representation
example.
5.00 --4
15 × 6.0 - 6
Nominal outside diameter of the nominal section width nominal rim diameter
4.1.2 Metric logo representation
example.
660 × 200
330 × 130 - 5
Nominal outside diameter of the nominal section width nominal rim diameter (inches)
4.2 specification, thickness, quality and type valve
4.2.1 Inch specifications mark the tube size, thickness, and quality of valve type should be consistent with Table 1. Metric tube size designation Regulation
Georgia, thickness, and quality of valve type should comply with the provisions of Table 2.
Table 1 of the tube size, thickness, quality, and valve type (inch)
Tube specifications
Within weeks curtain
Cloth layers
The inner circumferential ply
Width/mm
Thickness/mm
(not less than)
Crown base
Quality/kg
(no greater than)
Valve model
5.00-5 - - 1.6 1.6 0.64 -
6.00-6 - - 1.6 1.6 0.96 HZD-45
6.50-8 - - 1.6 1.6 1.36 HZD-45
6.50-10 - - 1.6 2.5 1.92 HZD-50
7.00-6/8.00-6 - - 1.6 1.6 1.25 HZD-45
7.00-8 - - 1.8 2.6 1.47 -
7.50-10 - - 1.8 2.6 1.18 -
7.50-14 - - 1.8 2.6 2.27 HZE-88
8.00-4 - - 1.6 1.6 1.09 HZD-46
8.50-10 - - 1.8 2.6 2.31 HZD-50
9.00-6 - - 1.6 1.8 1.81 HZE-61
11.00-12 - - 2.3 2.8 3.65 HZD-35a
11.00-12 - - 2.3 2.3 3.63 HZD-32b
12.5 × 4.5 - - 2.0 2.5 0.81 HZC-64
12.50-16 - - 2.6 3.3 3.85 -
15.50-20 - - 2.6 3.6 9.63 HZE-137
15 × 6.0-6 - - 1.7 2.0 0.96 HZD-45
15 × 6.0-5 - - 1.7 2.0 0.62 -
16 × 4.4 - 34 2.4 3.8 1.27 HZH-55
17.00-16 - - 2.5 3.6 9.62 HZE-104
18 × 4.4 - 34 2.5 3.8 1.47 HZH-70
18 × 5.5 - 41 2.5 3.8 1.59 -
19.00-23 - 197 3.0 3.8 16.30 HZE-131
20.00-20 1-- 3.6 4.6 15.42 -
22 × 7.25-11.5 - - 2.5 3.8 1.67 -
24 × 7.7 - 64 2.5 3.8 2.73 -
25 × 6.0 - - 2.3 3.5 1.70 HZH-97
26 × 6.6 - 51 2.5 3.8 2.74 HZE-87
29 × 7.7 - 51 2.5 3.8 3.29 HZE-117
30 × 7.7 - 67 2.3 3.8 3.40 HZE-86
32 × 8.8 - 80 3.0 3.8 3.86 HZE-86
34 × 9.9 - 90 3.0 4.1 4.54 HZE-86
a formula suitable for flat rim;
b For-deep rim.
Table 2 of the tube size, thickness, quality, and valve type (Metric)
Tube specifications
Within weeks curtain
Cloth layers
The inner circumferential ply
Width/mm
Thickness/mm
(not less than)
Crown base
Quality/kg
(no greater than)
Valve model
330 × 130 - - 2.0 2.5 0.55 HZH-72
330 × 130 - - 2.0 2.5 0.65 Z9-65 special
380 × 150-5 - - 1.6 1.8 0.64 -
400 × 150 - - 2.0 2.5 0.95 HZA-90
480 × 200 - - 2.0 2.3 1.90 HZA-65
500 × 180 1 - 2.5 3.5 1.80 HZA-65 (112 °)
600 × 155 - - 2.0 2.2 1.70 HZA-65
600 × 250 - - 2.2 2.3 2.50 HZA-118
700 × 250 - - 2.0 2.5 3.50 HZA-98
770 × 330 - - 2.5 2.5 3.50 HZA-118
800 × 225 1 - 2.2 2.5 4.50 HZA-80
850 × 200 1 - 2.2 2.5 5.00 HZA-90
865 × 280 1 - 2.2 2.5 4.50 HZA-98
900 × 300 1 - 2.2 2.5 6.00 HZA-118
930 × 305 1 - 2.2 2.5 5.50 HZA-98
930 × 305 2 - 2.5 3.0 6.00 HZA-110
950 × 350 - - 2.5 2.8 7.00 HZA-65
1050 × 300 1 - 2.5 3.5 8.00 HZA-110
1050 × 400 - - 3.0 3.0 7.00 HZA-123
1100 × 330 1 - 3.0 3.2 8.50 HZA-118
1100 × 395 - - 3.0 3.5 9.00 HZA-105
1140 × 350 1 - 3.0 3.5 10.50 HZA-164
1200 × 450 - - 3.0 3.2 12.00 HZA-113
1260 × 390 1 - 2.7 3.0 14.00 HZA-164
1300 × 480 1 - 2.5 3.5 13.00 HZA-98
1400 × 485 1 - 5.5 5.5 16.00 HZA-142
1400 × 520 1 - 5.5 5.5 20.50 HZA-118
Valve on the tube size 4.2.2 shall comply with the provisions of HG2484; valve core dimensions shall comply with the provisions of the HG2485.
4.3 airtight performance
A test method should be 5.1 to any tightness of the tube inspection.
4.4 Physical properties
The physical properties of the tube should be shown in Table 3.
Table 3. Physical properties and targets
Test Item Index
Tensile strength ≥17.0MPa
Elongation at break ≥550%
Tearing permanent deformation ≤30%
Elongation at break after aging (71 ℃ ± 1 ℃, 24h) ≥510%
Tear strength (right angle) ≥37.0kN/m
Brittle temperature ≤-50 ℃
Joint tensile strength ≥12.5MPa
Valve base and pad adhesion ≥343N
No base between valve rod and sleeve adhesion strength ≥3.9kN/m
Reinforced carcass ply and adhesive bond strength ≥5.0kN/m
Note. The table data is all natural rubber inner tube physical performance.
4.5 appearance quality
Tube appearance quality requirements shall conform to Table 4.
Table 4 Air quality tire tube appearance
Requirements and processing method serial defect
1 pleated not allowed
2 surface of the sponge does not allow
3 joints bubbles, cracks or thin joints are not allowed
4 surface-stick oil or other harmful substances are not allowed
Valve between the pad and the carcass bubbles, points
From crack
Not allowed
6 partial crown thin, lack of glue spots
The total area of bare tube surface area of not more than 0.5%; spots on the tube surface should be flat grinding
whole. Local thinnest thickness of not less than 90% of the thickness of the crown
7 plastic surface impurities, contaminants should be removed from the bubble surface, bubbles should be punctured and smooth surface polishing, each tube more than three
8 out of plastic crown rim, the plastic mold seam at the edge dislocation carcass thickness of not less than specified in Table 1, mold seam displacement of not more than 0.5mm
Talc surface traces of the joints 9 joint surface does not allow heavy leather
10 ply a scar scar parts of the total area of not more than 1% of the surface area of the tube
Between 11 and carcass ply bubble bubble diameter not greater than 5mm; bubbles should be pierced and ground smooth, and not more than 3
12 ply surface impurities and bubbles impurities should be removed, the cord should not be damaged, exposed wire should not exceed an area of 50mm2, no more than three
13 cords allow bending
14 cord jumper, jumper cords from the bit, bit off more than three
15 ply edge-glued edges need grinding gap at the split, each tire is not more than three, the cumulative gap length of not more than 20% of the perimeter
16 injury should not affect the valve tightness
17 producing a continuous number is unclear or omissions made up continuous production numbers, and in the preservation and use can permanently identify clearly
NOTE. If you have other tube defects, according to the internal table similar defect determination, the defect should not allow more than two; the thickness of the tube surface defects by grinding smooth after not less
Table 1 specifies the corresponding 90% of the thickness.
5 Test methods
5.1 airtight performance test
5.1.1 Test inflatable park
At room temperature, the tube is inflated to increase the cross-sectional circumference of about 10%, tighten the valve core, at least park 24h, measuring section perimeter; if broken
Reduce surface perimeter less than 1%, that is, airtight performance qualified.
5.1.2 Test sink
5.1.2.1 The inner tube is inflated to increase the cross-sectional circumference of about 10%, tighten the valve core, so that the entire tube is immersed in a water bath until the water calm after such
If within 1min no bubbles escape, is airtight performance qualified.
5.1.2.2 If there are air bubbles escape, the replacement valve core valve core of the re-test, if no bubbles escape, was in 2min tightness
qualified.
5.1.2.3 If there are other parts of the tube bubbles escape, you can remove the inner tube to be checked, allowing repeat the test. If within 1min airless
Bubble escape, airtight performance is qualified.
5.1.2.4 allow large-sized tube segments immersed in water for testing.
5.2 Thickness measurement tube
When measuring the thickness of the tube, the tube should avoid joint and valve parts. In the inner circle as the base tube 90 ° turn away from the interception of a width of about 4
25mm long tire tube samples were measured in the center of the crown, the thickness of the base center. Take the average of 8.00.
Weighing 5.3 tube
Depending on the specifications and quality requirements of the tube, said tube options to meet the quality requirements of the scales, precision scales should be at least ± 5g.
5.4 Physical properties
Where a physical performance test finished, vulcanized sampling should be parked more than 12h at room temperature. Physical performance test tube of glue should meet
Co GB/T 15324 regulations; wherein the reinforcing cord and measured fetal body adhesive bond strength should be consistent with the provisions of GB/T 532's.
5.5 Appearance Inspection
Inner tube surface quality through the use of means of visual and steel ruler, gold tape (without curvature, precision ± 1.0mm) and caliper (accuracy
Is ± 0.02mm) the same amount of apparatus for testing.
6 Inspection rules
See Appendix A.
7 Marking, storage and use
7.1 marks
Tubeless tire side portion should have the following obvious signs, and can be clearly identified during the whole period.
a) specification;
b) the trademark;
c) Manufacturing serial number;
d) hallmarks.
7.2 Storage and Use
7.2.1 Storage conditions
7.2.1.1 not allow the tube evacuated or folded storage and stacking.
7.2.1.2 will meet the requirements of a small tube filled with air or nitrogen, flat or hung on a semicircular bay, two months at least once rotated
Fulcrum to prevent local deformation of the tube; and to be sprinkled on the surface of the outer and inner tube after a small amount of the release agent charged with the specifications of the tire, and filled with the appropriate amount of
Air or nitrogen.
7.2.1.3 tube should not, flammable materials and other items easy to make contact with the rubber deterioration of oil, acid, alkali and other corrosive chemicals.
7.2.1.4 tube should be placed in a well ventilated warehouse, avoid direct sunlight, away from heat sources and other equipment to produce ozone
At least 2m above.
7.2.2 Storage and Use
Tire regulations should HG2195 storage and use; from the date of manufacture, storage, and usage time of the tire should not exceed 5 years.
Appendix A
(Informative)
Inspection rules
A. Batch 1 Product
Tube according to specifications, model group batches. In a continuous production cycle products to 500 batch. When an interrupt production date two months
Or more, should be the new production processes Batch separately, before the production of the product less than 500, should be composed of a number.
A. 2 factory inspection
A. 2.1 full inspection
Where the factory each tube should be carried out following full inspection items.
a) the quality of the finished appearance;
b) finished airtight performance.
A. 2.2 Sampling Inspection
A. 2.2.1 Sampling Method
The sample must be drawn at random from the batch extraction, there are cosmetic defects but does not affect the test results of products allowed to participate in the sample, but should refer to
As a sample.
A. 2.2.2 sampling project and the number of samples
Each batch of products should be drawn in a tube as a sample to test the following items.
a) Quality;
b) thickness;
c) physical properties.
A. 2.3 determine the rules
A. 2.3.1 the quality of the finished appearance or airtight performance does not meet the provisions of this standard, is substandard goods, should be removed.
A. 2.3.2 Quality finished sample exceeds a predetermined who is substandard and should be removed. At the same time, the product should be weighed one by one, all
Overweight should also be excluded.
A. 2.3.3 If the finished thickness of the specimen does not meet the standards, should be drawn from the batch of products in the two tubes were then the thickness test,
When the two are qualified, the batch is deemed qualified, otherwise unqualified.
A. The physical properties of the finished product 2.3.4 Sample test results, while if the project failed, two samples should be taken to check the project, the whole
When the Ministry of qualified, then depending on the batch of products is still qualified. If the tensile strength, elongation at break and ultimate test in three permanent deformation, if any one
Entry failed, the response of the three simultaneously re-examination, when all the indicators qualified, depending on whether the product is qualified, otherwise unqualified.
A. 3 type test
One of the following circumstances, the general type of inspection should be carried out.
a) new products or old products to the plant production trial to identify stereotypes;
B) after the official production, such as structure, materials, technology has drastically changed, it may affect product performance;
c) Discontinued product over three years, the production recovery;
d) factory inspection results are quite different and the last type test results;
e) the national quality supervision bodies type inspection requirements.
Finished specimen shall be full inspection requirements of Chapter 4, when all qualified, the type of inspection, otherwise unqualified.
Book GB 15323-2009
A. 4 product acceptance documents
The manufacturer submitted to the purchaser of the product shall have the following documents.
a) product acceptance certificate;
b) tube appearance quality, airtight performance test report, the thickness and quality of the test report;
c) Number of continuous product manufacturing and product quality certification.
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