FZ/T 92081-2014 English PDF

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FZ/T 92081-2014: Spinning leaf spring pendulum arms
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Basic data

Standard ID: FZ/T 92081-2014 (FZ/T92081-2014)
Description (Translated English): Spinning leaf spring pendulum arms
Sector / Industry: Spinning & Textile Industry Standard (Recommended)
Classification of Chinese Standard: W93
Classification of International Standard: 59.120.10
Word Count Estimation: 11,150
Date of Issue: 5/6/2014
Date of Implementation: 10/1/2014
Quoted Standard: GB/T 191; FZ/T 90001
Regulation (derived from): Ministry of Industry and Information Technology - Announcement 2014 No 32; Industry standards for filing notice 2014 No. 6 (total 174).
Issuing agency(ies): Ministry of Industry and Information Technology of the People's Republic of China
Summary: This Standard specifies the cradle of the leaf spring pressure classification and marking, requirements, test methods, inspection rules, marking, packaging, transport and storage. This Standard applies to ring spinning frame, roving machine leaf spring pr

FZ/T 92081-2014: Spinning leaf spring pendulum arms

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Spinning leaf spring pendulum arms ICS 59.120.10 W93 People's Republic of China textile industry standards Pressure plate spring cradle Issued on. 2014-05-06 2014-10-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by China Textile Industry Association. This standard by the National Standardization Technical Committee Textile machinery and accessories spinning, dyeing and finishing machinery Technical Committee (SAC/TC215 / SC1) centralized. This standard was drafted. Changde Textile Machinery Co., Ltd., Changzhou City and Textile Machinery Manufacturing Co., the National Textile Machinery Quality Supervision and Inspection Center, Changde City Heng-day Textile Machinery Co., Ltd., Taizhou Hang Seng Textile Machinery Co., Ltd., Hefei Peng Electronic Technology Co., Ltd. The main drafters of this standard. Li Ruifen, ambitious Yu, Tang new stone is the new, Wang Xiao, Cui Hai group, Zhang Yuhong. Pressure plate spring cradle

1 Scope

This standard specifies the pressure plate spring cradle (hereinafter referred to as the "cradle") classification and marking requirements, test methods, inspection rules, marks, packages Loading, transport and storage. This standard applies to ring spinning frame, roving leaf spring pressing cradle.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 191 Packaging - Pictorial signs FZ/T 90001 Textile machinery Packaging

3 Classification and Marking

3.1 Classification Divided by use of yarn and roving cradle cradle. 3.2 mark 3.2.1 Marked Tag contains the following sequence. Pressure plate spring cradle FZ/T 92081- Product name and standard number YJB Plus bar code type □ - Category Code Front and rear rollers largest center distance Draft type code Breed type code a) product name and standard number for the "pressure plate spring cradle FZ/T 92081"; b) plus bar code types, plus bar with a leaf spring-type Chinese capital letters "YJB" representation; c) category code, with Chinese capital letter "X" represents the spinning cradle, with "C" indicates roving cradle; Under d) before and after the maximum roller center distance, using Arabic numerals, in millimeters; e) drawing type code, see Table 1; Table 1 Draft type code

3 rollers

Linear - Curved (V) V 4-roller linear × 4 f) breeding cradle type code, using capital letters (I, O, V, except). Note. This tag can be used for technical documents, goods orders and other occasions. When used in product code, product name can be omitted and standard number. 3.2.2 tag example Example 1. front and rear leaf springs with pressurized cradle largest spinning center distance of 142mm, 3-roller type V draft, breeding type A, which is marked as. Pressure plate spring cradle FZ/T 92081-YJBX-142VA Example 2. front and rear leaf springs pressurized roving machine cradle largest center distance of 190mm, 4-roller linear drawing, mark it as. Pressure plate spring cradle FZ/T 92081-YJBC-190 × 4

4 Requirements

Parallelism 4.1 cradle grip profile The first roller on its axis parallel to the axis of the lower rollers should meet the requirements of Table 2 4.1.1 main drafting zone. Table 2 millimeters project tolerance Cradle cradle roving yarn Cotton wool and linen silk type cotton Parallelism t 0.20/70 0.40/75 0.40/110 Note. The table 70,75,110 on the relevant type cradle of the main drafting zone under the roller or rollers parallel to the length L of the reference value, and to hold the file in the cradle Is the midpoint of the center line (see Figure 1, Figure 2). Note. mainly between Ⅰ and Ⅱ roller drafting zone. figure 1 Note. the main drafting zone between Ⅱ and Ⅲ roller. figure 2 4.1.2 The second area of the main drafting roller axis parallel to the first roller axis shall comply with the requirements of Table 3. Table 3 millimeters project tolerance Cradle cradle roving yarn Cotton wool and linen silk type cotton Parallelism t 0.40/70 0.60/75 0.60/110 Note. The table 70,75,110 on the relevant type cradle of the main drafting zone under the roller or rollers parallel to the length L of the reference value, and to hold the file in the cradle It is the midpoint of the center line (see Figure 3). image 3 4.1.3 The remaining rollers on the first axis on the main drafting zone parallel roller axis shall comply with the requirements of Table 4. Table 4 millimeters project tolerance Cradle cradle roving yarn Cotton wool and linen silk type cotton Parallelism t 0.45/70 0.70/75 0.70/110 Note. The table 70,75,110 on the relevant type cradle of the main drafting zone under the roller or rollers parallel to the length L of the reference value, and to hold the file in the cradle It is the midpoint of the center line (see Figure 4). Figure 4 4.2 The pressure sets cradle Complete cradle The pressure to comply with Table 5. table 5 project Limit deviation Cradle cradle roving yarn Cotton wool and linen silk type cotton Pressure 0.05 0 Fa 0.08 0 Fa aF to work at a predetermined position, the cradle pressure nominal value. 4.3 Complete cradle discharge pressure Complete cradle discharge pressure should be in accordance with Table 6. Table 6 units of Newton project Cradle cradle roving yarn Cotton wool and linen silk type cotton Discharge pressure of 30 to 60 4.4 cradle manufacturing quality 4.4.1 cradle should not have missing parts and damaged parts due to manufacturing causes. 4.4.2 cradle locking mechanism should be self-locking reliable and stable. 4.4.3 cradle spring clip gripping force is not greater than 45N. 4.4.4 Each cradle pressure profile should be clearly identified. 4.5 appearance quality cradle The exposed surface of the cradle should be smooth, no glitches, corrosion, coating (or coating) open at the end, injuries and significant differences in color and other defects.

5 Test methods

5.1 cradle installed on the test bench, according to the product specification requirements on roller configuration, the diameter of the rollers grip profile accuracy level of not less than h7 Level, concentricity is not greater than two cots φ0.02mm. Press roller test bench parameters adjusting roller gauge, the cradle of the work of the pressure regulator To the maximum, start running time of less than 30s and unloading parallel pressure test. On its first roller axis parallel to the axis of the lower roller 5.2 cradle main drafting zone (4.1.1), with a parallel Gage measured parallel The degree of error is 1 and the dial indicator shows the difference between the value of 2. Ⅰ Ⅱ between the roller and the main drafting zone between the measurement shown in Figure 5a), Ⅱ and Ⅲ main roller Measurement drawing area is shown in Figure 5b). a) b) Explanation. 1,2 --- dial indicator. Figure 5 5.3 second cradle of the main drafting zone on a first roller axis of the roller axis parallel (4.1.2), with a parallel measure or gauge vernier caliper the amount. Parallel measurements with Gage Figure 6a), parallelism error as a lever dial indicator shows the value of the difference between 1 and 2. When measured by vernier caliper, respectively FIG measuring 6b) l1 shown, l1 'length value, l1, l1' difference, that is parallelism error. a) b) Explanation. 1,2 --- lever dial indicator. Figure 6 5.4 remaining on the roller axis of the main drafting zone on a first axis parallel rollers (4.1.3), were measured with a vernier caliper as shown in Fig. 7 l1, l1 ', ln1, ln1', lni, lni 'length value, which corresponds to the length of the district is the difference between parallelism error. Ⅰ Ⅱ between the roller and the main drafting zone Measurement Figure 7a), the main measure between Ⅱ and Ⅲ roller drafting zone is shown in Figure 7b). a) b) Figure 7 5.5 Complete cradle pressing pressure (4.2), with the spring tension and compression testing machine or cradle dynamometer measurement (according to the roller cradle design requirements). 5.6 Complete cradle discharge pressure (4.3), the minimum pressure adjusted cradle stall, with a dynamometer measurement (Figure 8). Figure 8 5.7 cradle locking mechanism (4.4.2), with not more than 30N force to pull up the handle, releasing the pressure unexpected phenomenon does not occur. 5.8 cradle spring clip gripping force (4.4.3), the journal of the rollers on both sides of the hanging file holding two rope with a weight or dynamometer measurement hoist see FIG. 9a). Its power (P) in a direction perpendicular to the top surface of the grip seat, heavy weight lifting seat when holding top-section horizontal position, see Figure 9b). a) b) Figure 9 5.9 remaining project, sensory testing.

6 Inspection rules

6.1 Type inspection 6.1.1 When one of the following conditions, type of inspection should be carried out. a) identification of new products into production time; b) the structure, processes, materials greatly changed; c) Product Discontinuance more than two years, the production recovery; d) regular or normal production accumulate some yield; e) third party quality inspection time. 6.1.2 Test items. Chapter 4. 6.2 factory inspection 6.2.1 product by the manufacturer's quality inspection department, along with quality certification. 6.2.2 Test items. Chapter 4. 6.3 Sampling and determination rules 6.3.1 Test samples taken by random sampling, sample number 50 sets of test items and the passing rate in Table 7. Table 7 Standard test items reg number Number of samples Pass rate The main drafting zone on a first roller axis parallel to the axis of the lower rollers 4.1.1 Parallelism of the main drafting zone on a second axis of the first roller on the roller axis 4.1.2 Other top rollers of the main drafting zone axis parallel to the first axis of the roller 4.1.3 Complete cradle discharge pressure 4.3 50 sets of ≥96 The pressure sets cradle 50 4.2 4.4.1 defect cradle member 50 4.4.2 cradle self-locking mechanism 50 Cradle spring clip 50 gripping force 4.4.3 Each cradle pressure profile identification 4.4.4 50 4.5 appearance quality cradle 50 Individual event ≥98 ≥98 ≥96 6.3.2 Sample Upon examination, complete sets and individual qualification rate reached this standard, it is determined that the samples meet the standards. On the contrary, it is determined The sample does not meet the standards. 6.4 Other Users At installation, adjustment, the product is found to not meet the requirements of this standard by the manufacturer in conjunction with the users and common process.

7 logo

7.1 Shake shelf product identification marks and corporate logos. 7.2 Packaging Pictorial marking according to GB/T 191 requirements. 8 packaging, transportation and storage 8.1 Packaging shall comply FZ/T 90001, the filter package certificate and instructions. 8.2 product during transport, according to the provisions of the box toward the placement, shall be dumped or change direction. 8.3 products from the date of the factory, in a good rain, ventilated storage conditions, parts rust inside the box, moisture valid from the factory Year from the date. T / ZF ......

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