This standard specifies the terms and definitions, requirements, test methods, inspection rules and marking, packaging, transportation and storage of the wind instrument harmonica. This standard applies to harmonicas with copper gongs as sound bodies and keyboard devices. QB/T 2740-2005 Harmonica QB/T2740-2005 Standard download decompression password: www.bzxz.net

IC8 97.200.20
Classification number: Y55
Registration number: 164202005
People's Republic of China Light Industry Industry Standard
QB/T2740-2005
2005-07-26 Issued
Melodixa
2006-01-01 Implementation
People's Republic of China National Development and Reform Commission Issued
China Light Industry Joint Stock Co., Ltd.
International Standard South National Musical Instrument Standardization Center 1.
This Ershan! Haikou Qinzong" ", Sutaifa Instrument has a class public! Learning. This small character ten from outstanding people: Cheng Man, Lin Sen, Song Zhou, Zhang Zongzhi. Non-standard first release
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QB:T 2740-2C05
1 Normative
Melodome
QB/T2740-2005
This standard specifies the terms and definitions, requirements, test methods, inspection rules and marking, packaging, transportation and storage of wind instruments 1. This standard applies to the harmonica with a steel bottom sound as the sounding part and a chain plate device. 2 Normative references
The clauses in the following documents become the clauses of this standard through reference in this standard. For all the referenced documents with a specified period, all subsequent amendments (not including The latest versions of these documents, including those with errors, are not applicable to this standard. However, the parties who have reached an agreement on the standards may use the latest versions of these documents. For any document without an import date, the latest version shall apply to this standard. GBT2828.1-2003 Sampling inspection and monitoring procedures for attributes Part 1: Inspection procedures for batches based on the acceptance quality index (AQI) (ISO2859-1: 1909, IDT)
2 Cycle sampling inspection procedures and tables: Applicable to the inspection of process specifications) GH/T 2829-..2002
GB/T 3451-1982
Standard Standard
GB/T 638B—1986
Transportation Packaging Shipping and Receiving Mark
QB/T12901997
QB/T3912—1999
3 Terms and Definitions
Continuation of the series of musical instrument money width and ruler
The following terms and conditions shall apply to this standard, 3. 1
Cabinet
The cabinet with the exterior shape and installation of various functional components. 3.2
Bracket
The position of the sound hole plate, keys, sound hole cover, and spring. 3.3
Sound hole plate
The metal plate that is attached to the bracket and used to fix the sound. 3.4
Retd
The body for making sounds.
Key
The part of the sound series arranged in half steps.
The sound produced by the sound hole plate when the sound is moving. QB.T 2720-2205
4 Requirements
4.1 Product classification
According to the different performance and materials of the products, they are divided into high-end products and high-end products. 4.2 Academic quality
4.2.1 "Law"
4.2.2 Standard breeding
Small-44z, should meet the requirements of GB451-1982
4.2 3 The accuracy
and the error rate should be within 0%, and the error rate should be 0%. 4.2.4 The high accuracy of the two laws
High-end: 10 points: general issuance period: 15 points: 4.2.5 Who and the nature
The whole product should be the same when the degree of profit should be only the degree of language and. 4.2.6 Sound quality
provincial standard "safety requirements
, French, European,, language, light
4. 3 Developmental age degree
real, mountain, sand, industry,
in small characters, wide step note, commercial grade mountain in 147Pa (15H0 gas start signing production: general this product into 19620ml cloth use open without production,
safety chain degree should be equal to 79 table 1 determination
white inquiry one add selected as 2.57m
mouth should usually comply with QB/12 example table 1
special before starting from the clock commercial degree should be 5mm? 5mu
Black face width (door 392-19 table 1
K Shenzhen stipulates
The maximum negative special seat is 0.5, and the maximum negative direction that can be applied should be .45N. Note that 1.1N should be pure bottom
Small core self-discipline high brand This will promise that the product will be produced in the table 2: Table 2
Reproduction to production, minimum: number of operators, no reduction. 4. 4. 8
The whole ischemia, still
An Jingli high retention should not produce the original machine of the whole heart method, when the chain is out, the armor is in place, no station, YkNKAea
45 Assembly and appearance
4.51 The body structure should be flat and firm, the inside and outside stations, and all stations should be strictly guarded: 4.5.2 The 5th tube should be installed with a plate to be solid. 13 The door and the purchase tube should be complete, not leaking, and the milk lithium QB.T 274J-2C05
4.5.4 The color should be sensitive, the original should be sensitive, the original should be bright, the product should be shrinkage, aggregation, stains, etc. 45.5 The surface of the box should not be shiny, the color should not be lost, the cloud should not be removed, the shape should not be visible, and the material should not be visible; the material should be clear and transparent.
46 Main raw materials
4.6.1: 1, the blowpipe should be made and the final user should be selected and inspected by the material department. 1.2 The materials should meet the requirements of QB/1: 215571: 5.4.2. 4.6.3 The material should be in accordance with the regulations of QB/.299-19973.4.3. 5 Sampling and test methods
5.1 Oil sample
5.11 Randomly sample the product.
5.1.2 The installation should comply with the provisions of 7.2 and 7.3: 5.1.3 The product should comply with the provisions of 7.8 and 7.9
5.2 Special test environment
Except for the requirements of the test date, the test should be carried out in the specified conditions: Degree: 15~.30:
Pair of shares: 45% 5
6. 3 Quality of production and teaching
5.3.1 Accuracy and adjacent pitch
In PammH0) but ~, use the %jun test name music society second detailed control detailed college entrance examination that meets the requirements of G/345-1982
5. 3. 2 Harmony
Sheng Yige Li.bzxZ.net
5. 3. 3. Check the quality of the sound, 5.5.1. Check the sound quality of the sound, 5.5.2. Check the sound quality of the sound, 5.5.3. Check the sound quality of the sound, 5.5.4. Check the sound quality of the sound, 5.5.5.1. Check the sound quality of the sound, 5.5.5.3. Check the sound quality of the sound, 5.5.5.3. Check the sound quality of the sound, 5.5.5.4. Check the sound quality of the sound, 5.5.5.5.3. Check the sound quality of the sound, 5. ... 8.1 The product is inspected by the purchasing department or the quality management department of the factory. Qualified products shall be accompanied by product certificates before they can be shipped to the factory. 2 When there are special requirements for product performance: the supply and demand parties shall determine the inspection schedule based on cooperation and negotiation. 6.3 Product inspection is divided into factory inspection and standard inspection. 6.3.1 Factory inspection 6.3.1.1 The sample plan for factory inspection shall comply with the provisions of the normal inspection sample plan in QB/T2828.1-2003. 6.3.1.2 The items, inspection level and acceptance quality level (AQL) of the factory inspection shall comply with the provisions of Table 3. 6.3.1.3 If the factory inspection fails, the batch shall be returned to production and the unqualified products shall be sorted out and adjusted. The products after sorting and adjustment can be submitted for inspection again. The resubmission of unqualified batches shall be carried out in accordance with the provisions of 7.6 of GD/T2828.[一200.]: 6.3.2 Type inspection
8.3.2.1 The type inspection of products shall be carried out once a year. It shall also be carried out when the structure, production process and main process are changed or the production is stopped for more than three months.
6.3.2.2 The samples for type inspection shall be randomly selected from the qualified samples of the factory inspection and put on record: The samples that meet the requirements of the product (the first sample of the product that meets the requirements of the product) shall be randomly selected from the qualified samples of the factory inspection and put on record: 6.3.2.3
Inspection modification
Ancestors' two-time sound science
Ancient mathematics
System mystery
Yuan matching and appearance 4.5.2
Product matching table 4.5.3
Test method
Quality level
Acceptance quality basis (AQL>
6.3.2.4 All samples received by the type inspection should be inspected according to the factory inspection items. If there are unqualified products, they should be replaced with unqualified products and the reasons should be analyzed at the same time, but they are not used as the basis for the type inspection results. 6.3.2.5 Type inspection is carried out according to all technical specifications, and the judgment level is 1. The unqualified quality record level (R01.) is 406.3.2.6 If the type inspection is qualified, the products of this cycle are qualified products. 6.3.2. 7. The product should be accompanied by a product certificate and instruction manual when it is shipped to the factory: 1. The certificate should note the standard number of the product. 7.2 Each product should be marked with the manufacturer's trademark or other words or logos. 7.3 All products should have packaging, which should comply with the provisions of 7.2. The certificate should have the product name, model, specifications and other words or logos. 7.4 In addition to the specifications of 7.2 and 7.3, the product packaging should have the place of origin, production date, factory date, number, year, and "light break", "sun tide", "anti-needle", "anti-attachment", "rain", "toxic" and other words or logos. QB/T 2740 - 2005
7.5 In addition to complying with the requirements of this standard, product labeling and packaging requirements shall also comply with the provisions of GB/TG388-1986. 6 The requirements for labeling and packaging of external and OEM products may be determined according to the specific situation. The products should not be exposed to rain or moisture during transportation, should not be shipped together with toxic, hazardous and toxic goods, and should not be pressed. Handle with care during loading and unloading. tt||. The product should not be stored together with corrosive chemicals, and should not be exposed to rain, alcohol, or pressure with heavy objects. 7.9 The product should be placed in a cabinet with a humidity not exceeding 85% and a temperature of 0℃~40℃, more than 2000m away from the ground and walls.
7.10 If any quality problems caused by the manufacturer are found within one year under the above-mentioned transportation and storage conditions, the manufacturer shall be responsible.
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