This part specifies the dimensions and tolerances of push plate washers for die casting dies. This part is applicable to push plate washers for die casting dies. This part also gives material guidelines and hardness requirements, and specifies the marking of push plate washers. GB/T 4678.13-2003 Die casting die parts Part 13: Push plate washers GB/T4678.13-2003 Standard download decompression password: www.bzxz.net

GB/T4678 "Die Casting Die Parts" is divided into 19 parts: Part 1: Templates; Part 2: Round inserts; Part 3: Rectangular inserts; Part 4: Shouldered guide pins; Part 5: Headed guide pins; Part 6: Headed guide bushings; Part 7: Straight guide bushings; Part 8: Push plates; Part 9: Push plate guide pins; tt||Part 10: Push plate guide sleeve;
Part 11: Push rod;
Part 12: Reset rod;
Part 13: Push plate gasket;
Part 14: Stop pin;
Part 15: Cushion;Www.bzxZ.net
Part 16: Flat push rod;
Part 17: Push tube;
Part 18: Support column;
Part 19: Positioning element.
This part is Part 13 of GB/T 4678. Foreword
This part replaces GB/T 4678.13--1984 "Push plate gasket for die casting parts". Compared with GB/T4678.13-1984, the main changes of this part are as follows: GB/T 4678.13-2003
has made major changes in the arrangement of the standard, adding "Foreword", "Scope" and "Normative Reference Documents", and specifying the content of the mark.
Added thickness dimension specification series.
Material changed to recommended selection.
——Surface roughness replaces the smoothness in the original standard. This part is proposed by the China Electrical Equipment Industry Association. This part is under the jurisdiction of the National Technical Committee for Standardization of Die (SAC/TC33). Drafting units of this part: Shanghai Pierburg Nonferrous Parts Co., Ltd., Guangzhou Cavity Die Factory, Guilin Electrical Science Research Institute, Dongfeng Technology Automotive Braking System Company, Chengdu Xingguang Die Casting Industry Co., Ltd. The main drafters of this part: Zhang Liangen, Cai Zijin, Weng Shizhen, Feng Bochun, Liao Hongyi, Yang Zhaoling, Huang Zhilu, Li Hongying. This part was first issued in September 1984 and revised for the first time in 2003. 55
GB/T4678.13—2003
Die casting die parts
Part 13: Push plate washers
This part specifies the dimensions and tolerances of push plate washers for die casting dies. This part applies to push plate washers used in die casting dies. This part also gives material guidelines and hardness requirements, and specifies the marking of push plate washers. 2 Normative references
The clauses in the following documents become clauses of this part through reference to this part of GB/T 4678. For any dated referenced document, all subsequent amendments (excluding errata) or revisions are not applicable to this part, however, parties to an agreement based on this part are encouraged to study whether the latest versions of these documents can be used. For any undated referenced document, the latest version of the document applies to this part.
GB/T4679—2003 Technical conditions for die casting parts 3 Dimensions and specifications
See Figure 1 and Table 1.
Surface roughness in micrometers
Surface roughness Ra=6.3 μm; chamfer 1 mmX45° is not specified. Figure 1 Push plate washer
Table 1 Push plate washer dimensions
Material and hardness
Material is selected by the manufacturer, and 45 steel is recommended. Hardness 40 HRC～45 HRC.
5 Technical requirements
Should meet the requirements of GB/T4679—2003. 56
Unit is millimeter
Push plate washers according to this part shall have the following markings: a) Push plate washers;
Push plate washers diameter D, in millimeters; Push plate washers thickness h, in millimeters; c
Code of this part, i.e. GB/T4678.13
3—2003.
Example:
Push plate washers with D=9mm and h=5mm are marked as follows: 9×5GB/T4678.13—2003
Push plate washers
GB/T 4678.13—2003
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