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