GB/T 10613-1989 Sieve plates with round and square holes with a thickness of ≥3 mm GB/T10613-1989 Standard download decompression password: www.bzxz.net
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National Standard of the People's Republic of China Round and square perforation platescreens-Thickness of 3 mm and aboveGB 10613-89 This standard adopts the international standard 1SO7805/1-1984 "Industrial sieve plates-Part 1: Thickness ≥ 3 mm". 1 Subject content and scope of application This standard specifies the type, parameters, technical requirements, inspection rules and marking, packaging, transportation and storage of round and square perforation platescreens with a thickness greater than or equal to 3 mm. This standard is applicable to sieve plates for screening with a thickness greater than or equal to 3 mm and a basic size of sieve holes of 3.15 to 125 mm. 2 Reference standards GB 1804 GB3943 GB 4879 GB5329 GB 7350 GB10061 3 Terms and symbols Tolerance and fit Limit deviation of dimensions without tolerance Round hole and slotted hole sieve Rust-proof packaging Terms of test sieve and screening test Technical conditions for waterproof packaging Method for marking sieve holes Margin width (margin width) The distance between the edge of the sieve plate and the outer edge of the outermost row of holes. Other terms shall be in accordance with the provisions of GB5329. Basic size of hole spacing. WBasic size of sieve hole. Radius of fillet. 4 Types and parameters 4.1 Hole arrangement Hole arrangement shall comply with the provisions of GB10061. Round holes are arranged in T-type. As shown in Figure 1. Square holes are arranged in U-type. As shown in Figure 2. Square holes are arranged in type. As shown in Figure 3. Approved by the Ministry of Machinery and Electronics Industry of the People's Republic of China on February 28, 1989/266 Implemented on January 1, 1990 4.2 Basic parameters and dimensions GB1061389 4.2.1 The basic dimensions of the sieve holes are divided into the first series, the second series and the third series, and the first series is preferred. 4.2.2 The basic parameters and dimensions of the round hole sieve plate shall comply with the provisions of Table 1. 267 First series Basic dimension W Second series Third series GB 10613—89 Limit deviation Basic dimension Limit deviation ±0,35 Opening ratio First series Basic dimension W Second series Third series GB 10613--89 Continued Table 1 Limit deviation Basic dimension Limit deviation Opening ratio First series Basic dimension W Second series Third series GB 10613--89 Continued Table 1 Limit Deviation Basic Dimension Limit Deviation Opening Ratio First Series Basic Dimension W Second Series Third Series GB 10613—89 Continued Table 1 Limit Deviation Basic Dimension Limit Deviation ±2,20 Opening Ratio First Series Basic Dimension W Second Series Third Series GB 10613--89 Continued Table 1 Limit Deviation Basic Dimensions Limit Deviation Opening Rate First Series Basic Dimensions W Second Series Third Series Note: ①The opening rate percentage is a reference value. GB10613-89 Continued Table 1 Limit Deviation ②The basic dimensions of the sieve holes in brackets are allowed to be selected in coal classification. Basic Dimensions Limit Deviation ③The basic dimensions of the hole spacing are allowed to be rounded up according to the production and use requirements in accordance with GB321 "Priority Numbers and Priority Number Systems" 4.5 4.2.3 The basic parameters and dimensions of the square hole sieve plate shall be in accordance with the provisions of Table 2. mm Opening ratio First series Basic dimension W Second series Third series GB10613—89 Limit deviation Basic dimension Limit deviation Opening ratio First series Basic dimension W Second series Third series GB 10613--89 Continued Table 2 Limit deviation Basic dimension Limit deviation Opening ratio First series Basic dimension W Second serieswww.bzxz.net Third series GB 10613--89 Continued Table 2 Limit Deviation Basic Dimension Limit Deviation Opening Ratio First Series Basic Dimension W Second Series Third Series GB 10613---89 Continued Table 2 Limit Deviation Basic Dimension Limit Deviation Opening Ratio 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.