This part specifies the dimensions and tolerances of guide bushings with heads for die casting moulds. This part is applicable to guide bushings with heads for die casting moulds. This part also gives material guidelines and hardness requirements, and specifies the marking of guide bushings with heads. GB/T 4678.6-2003 Die casting mould parts Part 6: Guide bushings with heads GB/T4678.6-2003 Standard download decompression password: www.bzxz.net

GB/T4678 chain pressing die parts 3 are divided into 1 part: Part 1: template!
Part 2: Guoshan insert,
... Part 3: topography chain,
Part 4: lead guide:
Part 6: Bo head guide sleeve;
Part 7: direct guide!
Part 8: push plate;
Part 9: grab plate pillar!
Part 10: Guide sleeve for workpieces;
Part 11: Push rod;
Part 12: Position opening;
Part 13: Push-pull guide;
Part 4: Position setting;
Part 1: Quick;
Part 16: Starting rod;
Part 17: Push rod;
Part 18: Supporting element;
Part 1, Positioning element.
This part is Part 6 of GB/T 467.
This part replaces GB3/T 153.-1 Jade casting mold seasonal parts 4 type search sleeve". The main changes compared with GB/T4673.61984 are as follows: the name of the standard is changed to GB/T4578.620G3, and a significant improvement is made in the standard. "Foreword", "Introduction" and "Specification" are added, and it is stipulated that "the mark should have a confidentiality. The small size series is changed to add a large size series. The material is changed to recommended selection. The geometric tolerance requirements are modified, the guide sleeve lead end size requirements are added, and the surface roughness accuracy standard is replaced by the standard. Finish: This part is proposed by China Export and Import Industry Association. This part belongs to the National Technical Committee for Mould Standardization (SA/T33): This part is initiated by: Shanghai Pierbodi Nonferrous Components Co., Ltd., Guangzhou Cavity Mould Factory, Guilin Electric Xinli Research Institute, Dongfeng Technology Automobile Braking System Company, Chengdu Xingguang Die Casting Co., Ltd., this part is initiated by: Qiang Liangen, Cai Ziling, Wu Shishun, Feng Menchun, Aolaoliu, Gou Guge, Zhizhu, Bian Hongying. This part was first issued in September 1584 and first subscribed in 3003. 25
GB /T467B.6—2003
1 Specification
Die casting moulds
Part 6: Guide bushings with heads
This part specifies the dimensions and specifications of guide bushings for die casting moulds. This part is applicable to guide bushings used in die casting moulds. This part gives the material specifications and hardness requirements and defines the marking of guide bushings with heads. 2 Normative references
The following items are added to this part by reference to this part of /467R. All references with the date stated above are subject to all subsequent amendments: The contents or revisions of the above documents are not applicable to this part. However, it is intended to reach an agreement with this part and to study whether the latest versions of these documents can be applied. For any undated referenced documents, the latest version applies to this part.
GB/T46762003 Die casting parts 3 Dimensions and specifications
See Figure 1 and Table 1.
Surface contact is in units of
Technical table Re=6.3: Not specified 1mm×45* in sandstone overrun or R]m angle
4 Material and hardness
1 Guide sleeve
Material is selected by the manufacturer. It is recommended to use T10A and GCr15. Hardness 55 IIRC~55 HRC.
5 Technical requirements
Table 1 The size of the guide sleeve is in accordance with the provisions of CB/T4579-2 (KJ3). The following notes should be made according to the specifications of this part: a) : 1) The guide sleeve length is in meters: c) The length of the guide sleeve is in meters: This part is coded as GB/T4673.6-2005. The marking of the guide sleeve with a length of 16mm, 1.:20mm is as follows: 162067.-200
CB/T4678.6-2003 bZxz.net
The unit is in meters.
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