Some standard content:
GB/T3610
：1997
This standard is a revision of GB3610-83 "Battery Zinc Cake" with reference to the standards of foreign battery zinc cake companies such as the American Star Company, Japan's "Panasonic" Battery Co., Ltd. and Mitsubishi Corporation. During the revision, the chapter "Reference Standards" and "Order Form (or Contract)" was added. In the chapter "Requirements", the number of "Chemical Composition of Products" increased from one brand to three brands. The shape of zinc cakes was based on the original round zinc cakes: hexagonal zinc cakes were added; the nominal diameter size of round zinc cakes increased from 7 to 12; and three specifications were specified according to the nominal diagonal size of hexagonal zinc cakes. In the chapter "Inspection Rules", the contents of delivery, acceptance and arbitration sampling plan, sampling procedure, sample inspection, determination of inspection results and preparation method of chemical composition samples were added. At the same time, the contents of the chapter "Test Methods" were greatly revised. The level of chemical composition of zinc cakes in this standard is equivalent to that of battery zinc cake enterprise standards such as American Star Company, Japan Mitsubishi, and Panasonic. The inspection rules comply with the provisions of GB2828 and GB2829. The comprehensiveness of the standard The level has been greatly improved. The preparation method of this standard complies with the provisions of GB/T1.1-1993 "Guidelines for Standardization Work Unit 1: Drafting and Expression Rules of Standards Part 1: Basic Provisions for Standard Preparation".
From the date of entry into force of this standard, it replaces (GB3610-83. This standard is proposed by China Nonferrous Metals Industry Corporation. This standard is drafted by the Standard Metrology Institute of China Nonferrous Metals Industry Corporation. This standard is drafted by Zhuzhou Smelter. The drafting units of this standard: Zhuzhou Smelter, Guangzhou Zinc Sheet Factory, and Standard Metrology Institute of China Nonferrous Metals Industry Corporation. The main drafters of this standard: Shi Huijing, Wang Pingru, Gong Chongyang, Guan Ziliang, Yao Chuan, Chen Jiannan, Huang Yueyi 112
National Standard of the People's Republic of China
Battery zinc
Zinc wafer for dry cell
GB/T 3610
Generation GB361083
This standard specifies the requirements, test methods, inspection rules, packaging, marking, transportation and storage of battery zinc cakes. This standard applies to zinc cakes for the manufacture of integral zinc cathodes of zinc-manganese batteries. 2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and parties using this standard should explore the use of the latest standards of the following standards Version possibility. GB231-84 Metal Brinell hardness test method GB2828--87 Batch inspection counting sampling procedure and sampling table (applicable to the inspection of continuous batches) GB2829-87 Periodic inspection counting sampling procedure and sampling table (applicable to the inspection of production process stability) GB/T12689.2-90 Chemical analysis method of zinc and zinc alloys Determination of copper content by diethyl dithiocarbamate lead spectrophotometric method Chemical analysis method of zinc and zinc alloys Determination of iron content by sulfosalicylic acid spectrophotometric method GB/T 12689.3--90
GB/T 12689.6-—90
Methods for chemical analysis of zinc and zinc alloys-The benzophenone-cetyltrimethylammonium bromide spectrophotometric method for the determination of tin content
Methods for chemical analysis of zinc and zinc alloys
GB/T 12689.8-90
GB/T12689.10-90Methods for chemical analysis of zinc and zinc alloys-The determination of iron content by flame atomic absorption spectrometry
The determination of lead content by flame atomic absorption spectrometry
Methods for chemical analysis of zinc and zinc alloys
GB/T 12689.1290↑
Determination of cadmium content by flame atomic absorption spectrometry
3 Contents of order form (or contract)
The order form (or contract) for materials listed in this standard shall include the following contents: 3.1 Product name;
3.2 Brand;
3.3 Specification (size);
3.4 Quantity;
3.5 Standard number and year number;
3.6 Packaging;
3.7 Others.
4 Requirements
4.1 Product classification
4.1.1 According to the chemical composition of zinc cakes, they are divided into three brands: XB1, XB2 and XB3. 4.1.2 According to the shape of zinc cakes, they are divided into round and hexagonal. 4.1.3 According to the diameter of the round zinc cake or the nominal diagonal size of the hexagonal zinc cake corresponding to the zinc-manganese dry battery model, the round zinc cake is divided into six types: R20, R14, R10, R6, R1, and R03; the hexagonal zinc cake is divided into R20 and R14. 4.2 Brand and chemical composition of zinc cake The brand and chemical composition of zinc cake shall comply with the provisions of Table 1. Table 1
Product brand
Zinc cake brand and chemical composition
0.03~-0.06
0.35~0.80
0.05~0.10 / 0. 10-0.20
0.05~0.10 1 0.50~0.80
Dimensions and tolerances of zinc cakes
Dimensions and tolerances of round zinc cakes shall comply with the requirements of Table 2. The impurity content shall not be too high.
Table 2 Diameter, thickness and tolerances of round zinc cakes D
Nominal size
3.00~4.80
3.20~~5.00
3.20～5.00
3. 00~4. 60
3. 00~-4.60
3.30~4.10
5. 00 -6. 00
5.00~6.00
6.50~~6.80
6.50~-6.80
The dimensions and allowable deviations of hexagonal zinc cakes shall comply with the provisions of Table 3. 4.3.2
High precision
Total amount of impurities
Ordinary precision
GB/T 3610-- 1997
Table 3 Dimensions and allowable deviations of hexagonal zinc cakes Angle line
Longest pair
Nominal size
4.4 The arch value of zinc cakes shall comply with the provisions of Table 4. Diameter or diagonal length of zinc cake
30.90~31.90
19.00~24.40
9.30~13.20
Allowable deviation
Table 4 Arch value of zinc cake
4.5 The burr height of zinc cake shall comply with the provisions of Table 5. Table 5 Burr height of zinc cake
Thickness of zinc cake
3.00～5.00
>5. 00~6.80
4.6 Brinell hardness of zinc cake
The Brinell hardness of zinc cake is 38.0～45.9HBS2.5/62.5/30.4.7 Surface quality of zinc cake
4.7.1 The appearance of zinc cake shall be complete and no gaps shall be allowed. 4.7.2 The punched section of the zinc cake should be basically smooth and free of rough stripes. Thickness
Nominal size
3.90--5.60
3.90~5.60
1. 50~-5. 00
Arch value, not more than
Burr separation, not more than
Allowable deviation
The surface of the zinc cake should be clean and free of cracks, delamination, peeling, inclusions, bubbles, white spots of oxidation, curling, scratches, pits and embossing that exceed the allowable deviation range of zinc cake thickness 4.7.3
. 4.8 If the user has special requirements for the quality of the zinc cake, it can be agreed upon by the supply and demand parties. 5 Test methods
5.1 Analysis method of chemical composition of zinc cake
The analysis method of lead content in zinc cakes of brands XB1, XB2 and XB3 shall be carried out in accordance with the provisions of GB/T12689.10. 5.1.1
The analysis method of lead content in zinc cakes of brands XB1, XB2 and XB3 shall be carried out in accordance with the provisions of GB/T12689.12. 5.1.2wwW.bzxz.Net
5.1.3 The analysis method of zinc content in XB1, XB2, XB3 brands shall be carried out in accordance with the provisions of (GB/T 12689.2); 5.1.4 The analysis method of tin content in zinc cakes of XB1, XB2, XB3 brands shall be carried out in accordance with the provisions of GB/T 12689.6. 5.1.5 The analysis method of iron content in zinc cakes of XB1 brand shall be carried out in accordance with the provisions of GB/T 12689.8; the analysis method of iron content in zinc cakes of XB2, XB3 brands shall be carried out in accordance with the provisions of GB/T 12689.3. 5.2. Method for measuring the outer diameter or diagonal length and thickness of zinc cakes. The outer diameter of a circular zinc cake or the diagonal length of a hexagonal zinc cake is measured with an outside diameter micrometer, and the cake thickness is measured with a flat-head micrometer. 5.3. Method for measuring the burr height of a zinc cake
Place the zinc cake with the concave surface facing the hand on a clean plane, and use a micrometer with an accuracy of 0.0imm to align the center of the zinc cake and measure its height GB/T 3610--- 1997
. Then use sandpaper to grind off the burrs on the zinc cake and measure its height again. The difference between the two measurement results is the burr height of the zinc cake. 5.4. Method for measuring the arch value of zinc cake
5.4.1. Depth micrometer measurement method. Grind off the burrs on the outer surface of the zinc cake, and use a depth micrometer to measure the center of the concave surface of the zinc cake. The maximum value measured is the arch value of the zinc cake.
5.4.2 Dial indicator measurement method First, place the burred zinc cake with the convex surface facing down on a clean flat surface. Use a dial indicator with an accuracy of 0.01mm to align the concave center of the zinc cake and adjust it to zero. Then turn the convex surface of the zinc cake upward and use a dial indicator to align the concave center. The measured value is the zinc cake arch value.
5.5 Measurement method of zinc cake Brinell hardness
Perform in accordance with the provisions of GB231
5.6 Appearance inspection of zinc cake
Inspect by visual method.
6 Inspection rules
6.1 Inspection, re-inspection and inspection items
6.1.1 Inspection of zinc cake
The product shall be inspected by the supplier's technical supervision department to ensure that its quality meets the requirements of this standard and fill in the product quality certificate. 6.1.2 Re-inspection of zinc cake
The buyer may re-inspect the received product. If the re-test results do not meet the requirements of this standard, the supplier shall raise the issue within 15 days from the date of receipt of the product. The issue shall be resolved through negotiation between the supplier and the buyer. If arbitration is required, the arbitration sampling shall be conducted jointly by the buyer. 6.1.3 Inspection items of zinc cakes
6.1.3.1 Chemical composition of zinc cakes
6.1.3.2 Hardness of zinc cakes
6.7.3.3 Defects of zinc cakes
Class A: white spots of oxidation, out-of-tolerance true diameter, missing mountains, delamination, cracks, Class B: peeling, inclusions, out-of-tolerance thickness, burrs, arch value, bubbles, scratches, pits, indentations, oil stains, curling, 6.2 Batches
Zinc cakes shall be submitted for inspection in batches. Each inspection batch shall consist of zinc cakes of the same brand and specification. The net weight of each batch shall not exceed 5t. 6.3 Sampling inspection
6.3.1 Sampling inspection for delivery and acceptance
6.3.1.1 Sampling plan
a) For the sampling of zinc cake defects, the secondary sampling plan with the discrimination level (DL) as II in GB2829 shall be adopted. The number of inspection samples, sample size (n), defect category (AB), unqualified quality level (RQL), qualified judgment number (A.), and unqualified judgment number (R) shall comply with the provisions of Table 6.
Table 6 Sampling plan for delivery and acceptance inspection
Number of sampling
n(pieces)
Defect category
b) For the delivery and acceptance of zinc cake Brinell hardness, 10 samples shall be taken. c) For the delivery and acceptance of zinc cake chemical composition, 10 samples shall be taken. 6.3.1.2 Sampling procedure
4. (pieces)
GB/T3610-1997
a) Randomly select sample bags from the zinc cake inspection batch at a ratio of 10%, and at least 10 bags shall not be less. If the inspection batch does not have 10 bags, all bags shall be taken.
b) Samples shall be selected according to the provisions of Table 6 of this standard, and the sample units selected from each bag shall be roughly equal. 6.3.1.3 Inspection of samples
Inspect item by item according to the requirements specified in Chapter 5 of this standard, and inspect according to the zinc cake defect categories specified in 6.1.3.3 of this standard and the provisions of Table 6. 6.3.1.4 Determination of test results
a) When the number of qualified products of defects A and B is less than or equal to the qualified determination number (A4.) specified in Table 6, the batch is determined to be qualified: When the number of unqualified products in either category A or B is greater than or equal to the unqualified constant (R) of that category specified in Table 6, the batch is determined to be unqualified. b) After the test is qualified according to the test defect category specified in Table 6, 10 pieces are randomly selected from the batch of samples for hardness test. If the test results show that more than two pieces do not meet the requirements of 4.6 of this standard, the batch of zinc cakes is determined to be unqualified. If the test results show that only one piece does not meet the requirements of 4.6 of this standard, it is allowed to randomly select 20 samples from the original sample bag of the batch of zinc cakes for re-testing. If there are still unqualified pieces, the batch of zinc cakes is unqualified.
c) After passing the hardness test, 10 pieces are randomly selected from the batch of samples for chemical composition test. If the test results show that: · item does not meet the requirements of 4.2 of this standard, 20 pieces are randomly selected from the original sample bag of the batch of zinc cakes for re-testing. If there is still one item that fails, the batch of zinc cakes is judged to be unqualified.
6.3.2 Arbitration sample inspection
6.3.2.1 Sampling plan
a) The arbitration sampling of zinc cake surface defects adopts the sub-normal sampling plan in GB2828. Its batch range, inspection level, sample size code, inspection defect category, sample number (n), qualified quality level (AQL), qualified judgment number (Λ.), and unqualified judgment number (K.) meet the requirements of Table 7.
Arbitration inspection sampling plan
Batch size (pieces)
12013200
3201~10000
10001～35000
35001~150000
150001-~500000
≥500000
Stock inspection level Sample size Code inspection defect category H
Note: When the inspection batch is less than or equal to 1200 pieces, all of them must be inspected and qualified. b) The arbitration inspection sample for zinc cake Brinell hardness is 20 pieces. c) The arbitration inspection sample for zinc cake chemical composition is 20 pieces. 6.3.2.2 Sampling procedure
a) Randomly select sample bags from the inspection lot at a rate of 10%, with at least 10 bags not less. If the inspection lot does not have 10 bags, all the bags shall be sampled. 117
GB/T 3610 .--1997
h) Samples are drawn according to Table 7 of this standard. The sample units drawn from each bag should be roughly equal. () According to the number of hardness test samples specified in 6.3.2.1hb) of this standard, the sample units drawn from each bag should be roughly equal.
d) According to the number of chemical composition test samples specified in 6.3.2.1c) of this standard, the sample units drawn from each bag should be roughly equal.
6.3.2.3 Sample inspection
According to the requirements specified in Chapter 4 of this standard, use the test methods specified in Chapter 5 to inspect each item, and accumulate the number of unqualified products according to the defect categories specified in 6.1.3.3 of this standard. 6.3-2.4 Determination of inspection results
) When the number of unqualified products of defects A and 13 is less than or equal to -→Table? When the number of unqualified products in the category A is greater than or equal to the specified number of unqualified products in the category R, the batch is considered unqualified.
h) When the hardness test results show that the zinc cakes do not meet the requirements of 1.6 of this standard, the batch of zinc cakes is considered unqualified. C) When the chemical composition analysis results show that one of the items does not meet the requirements of 4.2 of this standard, the batch of zinc cakes is considered unqualified. 6.4 Preparation method of chemical composition sample
6.4.1 After cleaning the foreign contaminants on the surface of the zinc cake sample, use a drill with a diameter of 4mm to 8mm to drill the fresh zinc cake from the sample. The depth should not penetrate the bottom of the sample. 6.4.2 After removing the iron brought in by the processing with a magnet, mix and reduce to not less than 20g for chemical composition analysis.
7 Packaging, marking, storage and transportation
7.1 Packaging
Packaged in gunny bags lined with plastic film bags (or plastic woven bags). The net weight of each bag of zinc cake shall not exceed 50kg. Other suitable packaging methods and packaging specifications may also be used upon consultation between the supply and demand parties. 7.2 Marking
7.2.1 The outer packaging of zinc cakes should indicate:
a) manufacturer name;
b) product name;
() net weight;
d) registered trademark;
) moisture-proof mark
7.2.2 Each package should be hung with a product certificate, which should indicate: a) manufacturer name and address;
h) product name;
e) batch number;
d) brand, specification (size);
standard number;
4 period.
7.2.3 Each batch of zinc cakes shall be accompanied by a product quality certificate, which shall indicate: a) manufacturer name and address: b) product name; r) batch number; d) brand, specification (size), batch net weight; GB/T3610-1997 e) main technical performance index test results and technical supervision department stamp; f) standard number: g) date of manufacture. 7.3 Storage and transportation 7.3.1 Zinc cakes shall be stored in a ventilated, dry warehouse without corrosive materials. The storage period of the product shall not exceed half a year from the date of production. 7.3.2 3 Zinc cakes shall be moisture-proof and anti-corrosive during transportation. The damage and deterioration of zinc cakes caused by storage and transportation shall be borne by the relevant departments. 7.3.3
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