GB/T 30567-2014Technological design principle for steel precision hot forgings (English PDF)
钢质精密热模锻件 工艺编制原则
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
May 6, 2014
Implementation date
December 1, 2014
Scope
GB/T 30567-2014 is the English-translated version of 钢质精密热模锻件 工艺编制原则.
GB/T 30567-2014 is the Chinese standard "Technological design principle for steel precision hot forgings". Its scope clause reads: This standard specifies the precise hot steel forgings (hereinafter referred to as "hot forgings") preparation process principles.
This standard applies to the use of high-precision molds, mold and special equipment, the quality in 18kg or less and not greater than the outer diameter 230mm Rotational hot forging. Its clauses include terms and definitions; compilation principles.
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Document preview — GB/T 30567-2014
National Standard of the People's Republic of China
- ICS
- 77.140.85
- Classification
- J 32
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 compilation principles
1 Scope
This standard specifies the precise hot steel forgings (hereinafter referred to as "hot forgings") preparation process principles.
This standard applies to the use of high-precision molds, mold and special equipment, the quality in 18kg or less and not greater than the outer diameter
230mm Rotational hot forging.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 699 high-quality carbon structural steel
GB/T 700 carbon structural steel
GB/T 1220 stainless steel rods
GB/T 2828.1 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch inspection sampling plan
GB/T 3077 alloy steel
GB/T 5216 guaranteed hardenability structural steel
GB/T 12362 pieces of steel forging tolerances and machining allowances
GB/T 29532 Precision steel hot die forgings - General technical requirements
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1 Precision Hot steel forging
In the hot forging process temperature range, high-precision molds, mold and special equipment to obtain high dimensional accuracy, tolerances and quality meet
Hot forging.
4 compilation principles
4.1 hot forgings and forging graph design
Figure 4.1.1 according to the size of the product, the shape and position tolerances and surface quality determining hot finish forging forging drawing dimensions and tolerances of each part, which
Size, shape and position tolerances shall comply with the relevant provisions of GB/T 29532 of.
4.1.2
hot finish forging parting surface should be selected at the maximum projected area of the hot forgings, and the need to consider the grooves is easy to fill, easy to forging the mold
Mold and easy processing.
4.1.3
Thermal forgings and forging slope, radius, edge thickness shall comply with the relevant provisions of GB/T 29532 of.
4.1.4
Hot Forgings ejector rod indentation position should be designed in the working plane.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
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