GB/T 4679-2003 Technical requirements for die casting parts

This standard specifies the requirements, inspection rules and marking, packaging, transportation, storage, etc. of die-casting mold parts. It is applicable to die-casting mold parts specified in GB/T 4678.1~4678.19-2003. GB/T 4679-2003 Technical conditions for die-casting mold parts GB/T4679-2003 standard download decompression password: www.bzxz.net

This standard sets the requirements for the technical requirements of the parts. Compared with GB/467S28, the main changes are as follows: the standard is revised and the "foreword" and "normative reference documents" are added: some contents in the purchase technical requirements of B/14679-2303 are revised. 1 "The selected sample should be in accordance with the technical requirements of the brand" is revised. 2 "The selected sample should be in accordance with the technical requirements of the brand" is revised. The technical standards are complete and the parts are qualified. The small fixed product inventory should be purchased or received in batches.
This standard was proposed by the China Core Equipment Industry Association and was published under the jurisdiction of the China Model Standardization Technical Committee (CBTS/TC33). The international standard-setting units are: Xiaozhou Cavity Mold Corp., Shanghai Zhierboge Co., Ltd., Dongfeng Automobile Brake System Co., Ltd., and Weifang Xingguang Casting Industry Co., Ltd. The local authors of this standard are: Feng Jianfu, Hao Chajin, Weng Shizhen, Gan Hongliu, Zhang Qiangen, and Li Hong This standard was first issued in September 1934 and revised once in 2003. 1. Technical conditions for die casting parts This standard specifies the requirements, inspection regulations, marking, packaging, transportation, and treatment of die casting parts. This standard is applicable to the new die casting parts specified in 3/678.1-4678.192003. 2. Normative references CB/T 4679—2003wwW.bzxz.Net
The following documents are engraved with the following six standards: the following are the most difficult items in this standard. All the items that only have the date are called the use items. All the subsequent rectification orders are not included in the wet solution: the burning version is not suitable for this standard. However, this standard is the new version of the document. All the items that have the date are called the use items. All the subsequent rectification orders are not included in the wet solution: the burning version is not suitable for this standard. However, this standard is the new version of the document. All the items that have the date are called the use items. All the items that have the date are called the use items. All the subsequent rectification orders are not included in the wet solution: the burning version is not suitable for this standard. However, this standard is the new version of the document. All the items that have the date are called the use items. All the items that have the date are called the use items. 1673,1.~167,9-200 positive mold and other parts
G3T6433.5186 frying control belt
3 Technical requirements
3.1 The limit deviation of the public size at the end of the column should include the provisions of CB/1604-m3? The internal opening color setting public certificate in the drawing should comply with the current provisions of T118I, 3.5 The parts are filled with spots, damage and traces of scientific defects, and the original material and the material selected for the mold H parts should comply with the technical standards of the corresponding brands: 3.5, this supplement should be paid after heat treatment. It is not allowed to have Mosquito, disembedding, oxidation point. 3.6 Drawings do not comply with the size of the wheel in accordance with GB6403.5. 3.7 The size of the core of the core should be selected from the G/T1 environment. 3.8 The manufacturer should set a 0.01mm, 0.01mm, color flat core mark on the reference surface of the mold. The position of the reference surface is
3.9 When the number of pieces exceeds 25, a device should be set. ..
3.1C The size of the drawing is 1.5×45” 4 Inspection rules
4.1 Zero according to 6B/T78.1--4573.1 9. The qualified parts shall be inspected within the specified limit or within the specified range. 4.2 When the parts are delivered, the ordering party shall deliver the parts in accordance with the quantity of the parts. At least ten parts shall be sampled. If one of the parts is unqualified, additional samples shall be inspected. If it is unqualified, the batch of parts shall be listed as unqualified. 5. Marking, packaging, transportation, storage
5. "Inspection of qualified parts, if the ring should be marked, each part without a certificate shall be equipped with a qualified label. 5.2 Parts that are prohibited from being washed should be washed and covered with anti-penetration agent on the surface. 5.3 Parts shall be packaged in a moisture-proof manner and properly handled to ensure that the parts are intact and not damaged during transportation. 1
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