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GB/T 41860.1-2022: Tools for moulding - Locating rings - Part 1: Locating rings for mounting without thermal insulating sheets in small or medium moulds (types A and B)
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Tools for moulding - Locating rings - Part 1: Locating rings for mounting without thermal insulating sheets in small or medium moulds (types A and B)
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GB/T 41860.1-2022
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Basic data | Standard ID | GB/T 41860.1-2022 (GB/T41860.1-2022) | | Description (Translated English) | Tools for moulding - Locating rings - Part 1: Locating rings for mounting without thermal insulating sheets in small or medium moulds (types A and B) | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J46 | | Classification of International Standard | 25.120.30 | | Word Count Estimation | 12,117 | | Date of Issue | 2022-10-12 | | Date of Implementation | 2022-10-12 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 41860.1-2022: Tools for moulding - Locating rings - Part 1: Locating rings for mounting without thermal insulating sheets in small or medium moulds (types A and B)
---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.
Tools for molding - Locating rings - Part 1.Locating rings for mounting without thermal insulating sheets in small or medium molds (types A and B)
ICS 25.120.30
CCSJ46
National Standards of People's Republic of China
Mold retaining rings - part 1. without heat shields
Small and medium mold locating ring type A and type B
Toolsformoulding-Locatingrings-Part 1.Locatingringsfor
(ISO 10907-1.2008, MOD)
Released on 2022-10-12
2022-10-12 implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules for Standardization Documents"
drafting.
This document is the first part of GB/T 41860 "Positioning Ring of Forming Die". GB/T 41860 "Positioning ring of forming die" has been released
The following 2 parts.
--- Part 1.Type A and Type B positioning rings for small and medium-sized molds without heat shields;
--- Part 2.C-type and D-type small and medium-sized mold positioning rings with heat shields.
This document is modified to adopt ISO 10907-1.2008 "Mould positioning ring - Part 1.Small and medium-sized mold positioning ring without heat shield
Type A and Type B".
Compared with ISO 10907-1.2008, this document has made the following structural adjustments.
--- Added Chapter 2 "Normative References";
--- Added Chapter 3 "Terms and Definitions".
The technical differences between this document and ISO 10907-1.2008 and their reasons are as follows.
---Modify "Applicable to injection molding machines of models no larger than E12 (according to EUROMAP2)" in "Scope" to "Applicable to clamping force
"Plastic injection molding machines less than 3800kN" (see Chapter 1), after modification to match the specifications of domestic equipment;
---Change the reference diameter ϕ90 to the variable ϕD1 (see Figure 1~Figure 7, 4.1, 4.2), and increase D1 to be 100mm in size (see
Table 2, Table 3), the changed size series are consistent with the domestic market conditions;
--- Subdivide the A-type positioning ring into A1, A2, A3 types (see 4.1), and match the three structural types of the A-type positioning ring after subdivision
It is more convenient to describe and use;
--- Subdivide the B-type positioning ring into B1, B2, B3 types (see 4.2), and match the three structural types of the B-type positioning ring after subdivision,
And more convenient to describe and use;
---Remove the requirements on the surface roughness Ra0.4μm in all the drawings, and change it to require "the surface roughness of the mating surface" in the clause
Ra should be 1.6μm" (see 4.1 and 4.2), because the roughness of all surfaces is Ra0.4mm is not realistic, after the change
more acurrate;
---In the upper right corner of all figures, the "surface roughness value unit is micron" is changed to "dimension unit is millimeter" (see Figure 1~Figure 7), because
The requirements for surface roughness have been specified in the clauses, and the size units specified in the drawings are sufficient;
---Change the thickness dimensions in the figure from fixed values "12.5, 4, 1" to variables "t1, t2, t3" (see Figure 2~Figure 7), and align them in the table
The values are divided into series and stipulated (see Table 1~Table 3), which are consistent with the size series of positioning rings in the domestic market after modification;
---Delete the corner mark "a" in the original Table 1 and Table 2 (see Table 1 and Table 3), because EUROMAP2 is not applicable in China, and the size series
Has been fixed, indicating the source is not necessary;
---Delete the description of steel grades in the "Materials" chapter (see Chapter 5), "Steel grades are determined by the manufacturer" is not necessary here;
---In the chapter "marking", add the mark of diameter D1 (see Chapter 6), because after changing ϕ90 to the variable ϕD1, the mark needs
change accordingly;
---In the references, replace the reference [2] with GB/T 38533-2020, the dimensions and specifications of the positioning ring in this document are the same as
Match the "plastic injection molding machine" in GB/T 38533-2020.
The following editorial changes have been made to this document.
--- Change the chapter title "Dimensions" to "Structural Types and Dimensions";
--- In Figure 1, the index and serial number of the "locating circle" are added;
---Adjusted the table format;
--- In references, replace reference [2] with the national standard GB/T 131-2006 equivalent to ISO 1302.2002.
This document is proposed and managed by the National Mold Standardization Technical Committee (SAC/TC33).
This document was drafted by. China Grid Power Technology Co., Ltd., Hubei Sanhuan Forging Co., Ltd., Anhui Hefei Automobile Forging Co., Ltd.
Company, Jiangsu Hesheng Metal Technology Co., Ltd., Zhongyiteng Molding Technology (Suzhou) Co., Ltd., Zhangjiajie Aviation Industry Vocational and Technical College, Zhejiang
Jiangshang Vocational and Technical College, Belon Precision Technology Co., Ltd., Guangxi Baolingkang Medical Devices Co., Ltd., Shenzhen AVIC Technical Inspection
Co., Ltd., Changzhou Xinchuang Intelligent Technology Co., Ltd., Dongguan Changying Precision Technology Co., Ltd., Foshan Rui Aote Mold Technology Co., Ltd.
Company, Dongguan Yuanli Electronic Technology Co., Ltd., Jiangsu Haixun Industrial Group Co., Ltd., Tianjin Vocational and Technical Normal University, Fuzhou Middle School
Gongyun Intelligent Manufacturing Technology Co., Ltd., Shaanxi Shuoen Big Data Technology Co., Ltd., Ningbo Yahui Intelligent Technology Co., Ltd., Xi'an Libeian Intelligent
Technology Co., Ltd., Yiwu Laojin Mold Co., Ltd., Xi'an Ningkangte Data Service Co., Ltd., Zhejiang Xiemei Technology Co., Ltd., Guangdong
Qinghe Technology Co., Ltd., Guilin Electrical Appliance Science Research Institute Co., Ltd.
The main drafters of this document. Du Lianghua, Gan Wanbing, Jin Haoxing, Tao Shanhu, Xie Haishen, Xu Zhengkun, Shen Zhongliang, Shi Jiefan, Du Guangyou,
Zhang Xumin, Tan Yuan, Wu Tao, Li Hui, Ruan Xuhong, Ye Bing, Chen Guoqiang, Wang Guowen, Song Xinhua, Xiong Yunxing, Zhong Weiqiang, Cai Yujun, Yang Yingjun,
Qiao Zhihong, Zou Zechang, Lian Canxin, Nan Shaowei, Chen Naien, Ni Liaoyong, Jin Qinghe, Pi Yulin, Zheng Decan, Chen Hongzhi.
Introduction
With the development of technology and the expansion of foreign trade, the standards issued by ISO and other international standardization organizations are adopted to eliminate the
The technical barriers are of great significance.
The "molding mold positioning ring" specified in this document is used to determine the installation position of the mold on the plastic injection molding machine to ensure that the plastic injection molding
It is a standard part for the centering of the nozzle of the molding machine and the sprue sleeve of the mold. It can also be used as a fastener to fix the accessories. It has the characteristics of high temperature resistance and high precision.
There are usually four types of points, and the specialized production and application are relatively mature.
ISO 10907 divides the positioning ring into two parts according to whether it has a heat shield or not. When adopting standards, in order to ensure the consistency between domestic standards and international standards
Consistency, GB/T 41860 is also divided into 2 parts.
--- Part 1.Type A and Type B positioning rings for small and medium-sized molds without heat shields;
--- Part 2.C-type and D-type small and medium-sized mold positioning rings with heat shields.
Because the installation structure of the locating ring with a heat shield is different from that without a heat shield, and each type of locating ring A, B, C, and D is different
It is subdivided into three types, so it is divided into two parts to avoid excessive length of the document and facilitate reference by standard users.
Mold retaining rings - part 1. without heat shields
Small and medium mold locating ring type A and type B
1 Scope
This document specifies the structural type, size, material and marking of the positioning ring for molds without heat shields. See Figure 1 for the schematic diagram of its installation (Type A).
This document applies to molds without heat shields for plastic injection molding machines with a clamping force of less than 3800kN.
a) Type A1 b) Type A2 c) Type A3
Description of index number.
1---fixed mold seat plate;
2---Plastic injection molding machine fixed template;
3---Positioning circle.
Figure 1 Schematic diagram of positioning ring (type A) installation
2 Normative references
This document has no normative references.
3 Terms and Definitions
This document does not have terms and definitions that need to be defined.
4 Structure type and size
4.1 Type A (with hole) positioning ring
The structure type of A-type positioning ring should be consistent with Figure 2, Figure 3 and Figure 4.When D1 is 90mm, the size of the positioning ring should comply with Table 1
given value. When D1 is 100mm, the size of the positioning ring should comply with the values given in Table 2.Surface roughness Ra of mating surfaces in all figures
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