GB/T 24349.2-2009Textile machinery and accessories -- Cylindrical tubes -- Part 2: Dimensions, tolerances and designation of tubes for open-end spinning machines (English PDF)

Foreword

GB/T 24349 "Textile machinery and accessories - Cylindrical tubes" is divided into seven sections.

--- Part 1. Recommended main dimensions value;

--- Part 2. open-end spinning machine with bobbins dimensions, tolerances and marking;

--- Part 3. flat yarn bobbin dimensions, tolerances and marking;

--- Part 4. textured yarn bobbin dimensions, tolerances and marking;

--- Part 5. synthetic filament bobbin dimensions, tolerances and marking;

--- Part 6. winding and twisting with a cross wound bobbin dimensions, tolerances and marking;

--- Part 7. cheese dyeing bobbins with mesh size, tolerances and designation.

This is Part 2 GB/T 24349 of.

This section identical with ISO 3914-2:1994 "Textile machinery and accessories - Cylindrical tubes - Part 2. open-end spinning machine with a barrel Tube dimensions, tolerances and marking "(in English).

This section is equivalent translation ISO 3914-2:1994.

For ease of use, this part of the ISO 3914-2:1994 made the following editorial changes.

a) "ISO 3914" replace the word "GB/T 24349";

b) Remove ISO 3914-2:1994 Foreword;

c) Chapter 2, "Normative references" be replaced by "normative references" and use GB/T 1.1-2000 specified in the introductory phrase;

d) a sectional view of the metal material 1 in a cylindrical bobbin to sectional non-metallic materials;

e) use the decimal symbol. "" instead of as the decimal point symbol "." this part is proposed by the China Textile Industry Association.

This part of the National Standardization Technical Committee Textile Machinery & Accessories centralized.

This section is drafted. Pinghu City-Paper Co., Ltd., Tongxiang Hengyi Paper Co., Ltd., Tai Chi Rudong chemical fiber textile equipment have Ltd., Suzhou City Tonghe Paper Factory, Shaanxi Sheng Paper Co., Ltd., Shaanxi Institute of textile equipment.

1 Scope

GB/T 24349 provisions of this part of the open-end spinning machine (such as. rotor spinning machine) with a cylindrical bobbin main dimensions, and standard deviation Remember, and the bobbin properties, diameter and length of the test methods made guidance notes.

2 Normative references

The following documents contain provisions which, through reference GB/T 24349 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section.

GB/T 24349.1 Textile machinery and accessories - Cylindrical tubes - Part 1. Recommended main dimensions value (GB/T 24349.1-2009, ISO 3914-1:1994, IDT)

3 Dimensions and deviations

Figure 1 and Table 1.

Figure 1 cylindrical bobbin

Table 1 inner diameter and a length in millimeters

Deviation basic size 1) Basic size deviation 50 ± 0.2 98 ± 0.5

542) ± 0.2

1702)

69 ± 0.2 230 ± 1.0

2) GB/T 24349.1 recommended basic size.

4 Features

The manufacturer shall specify the following.

GB/T 24349.2-2009/ISO 3914-2:1994