This part specifies the dimensions and tolerances of guide pins with heads for die casting moulds. This part applies to guide pins with heads and guide pins for push plates used in die casting moulds. This part also gives material guidelines and hardness requirements, and specifies the marking of guide pins with heads. GB/T 4678.5-2003 Die casting mould parts Part 5: Guide pins with heads GB/T4678.5-2003 Standard download decompression password: www.bzxz.net

GB/T 4678.5—2003
GB546 mold parts are divided into 9 parts: Part 1: Plate;
Part 2: Round insert
Part 3: Shaped block:
Part 4: Shoulder guide;
Part 5: Lead guide:
Part 6: Lead guide:
Part 7: Straight guide
Part 8: Push plate;
Part 10: Push plate sleeve!
Part 11: Push rod:bzxz.net
Part 2: Position rod
Part 5: Flat part : Positioning nails: Part 15, Part 16: Flat push rods: Part 18: Pipes: Part 19: Positioning elements. This part is the first part of GB4: This part replaces GT/T4678.519B4H casting parts H-type guide column 3 wood part and GH/1467X, 5-1584 standard. The main changes are as follows: the standard name is changed to supply guide. The standard layout has been greatly modified, and the "Foreword", "National Standard" and "Non-standard References" have been added, and the contents that should be marked have been specified. The size specification series has been modified and the large size specification series has been added. The material is recommended for manufacturing, and the geometric tolerance requirements are modified. The smoothness in the original standard is replaced by the sugar content. This part was proposed by the China Electric Power Industry Association and is under the jurisdiction of the National Technical Committee for Die Standardization (5AC/T33). Drafting units of this part: Shanghai Pierburg Nonferrous Parts Co., Ltd., Guangzhou Type Vertical Die Factory, Guilin Qiqi Scientific Research Institute, Dongfeng Technology Automotive Braking System Co., Ltd., Chengdu Xingguang Die Industry Co., Ltd. The main drafters of this part: Qiang Liangen, Cai Zijin, Weng Chuzhen, Feng Chun, Mo Hongyi, Yang Jianling, Huang Zhixue, Che Hong. This part was first published in September 2001 and first subscribed in 2003. 2
1 Specification
Die-casting die parts Part 5: Headed guide posts
This part specifies the size specifications of headed guide posts for die-casting. The wood part is applicable to headed posts and plate rails used for industrial press joints. This part also gives the material sizing guide and hardness requirements, and specifies the marking of headed guide posts. 2 Normative references
GB/T 4678.52003
The following documents have become the terms of this part through reference in this part. For all referenced documents with a date, all subsequent amendments (excluding those due to interruption) or orders shall not be continued to apply to this part. However, the latest version of these documents shall apply to all referenced documents without a date. For all referenced documents without a date, the latest version shall apply to this part.
GR/T4679—200%: Technical conditions for press correction molds and other parts 3 Dimensions and specifications
See Figure 1 and Table 1.
The sugar content of the three samples is measured in meters. Net unit
If it is not specified, take R-6.2m to specify 1mm×45 small wheel or R1 mm country month.
Fill the fraud open oil clear
Fill the ten-center hole that allows two movements to be retained
Purchase a violation report,
Figure 1 Leading column
GB/T 4678.5—2003
Material and hard seat
Table F Guide column dimensions
Material white market manufacturers recommend the use of: 10AGCr1III. ChicIRC55JR
5 Technical requirements
Should comply with the provisions of G/T4679—2001.
6 Marking
According to this part, the guide column should have the following markings:! Guide column:
! Guide column length D, in millimeters: 8
Single for road meters
=) Guide column length, in meters:) This part code, that is, GH/74678.5—209.1. Example
=16mm, L=63am.l=2hmm, the lead wire is marked as follows: GB/T 4678.—203
Lead wire
16X63×25
CB/T 4678.5—2003
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