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GB/T 37777-2019Inertia friction welding process (English PDF)

惯性摩擦焊工艺方法

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

August 30, 2019

Implementation date

March 1, 2020

Scope

GB/T 37777-2019 is the English-translated version of 惯性摩擦焊工艺方法.

GB/T 37777-2019 is the Chinese standard "Inertia friction welding process". Its scope clause reads: This standard specifies the methods and requirements for inertia friction welding.

This standard applies to inertial friction welding of steel, nickel and nickel alloys. Other metal materials can also be used as reference. Its clauses include terms and definitions.

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Document preview — GB/T 37777-2019

National Standard of the People's Republic of China

ICS
25.160.10
Classification
J 33

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Contents

  • 1 Scope
  • 2 Normative references
  • 3 Terms and definitions
  • 3.1 Inertia inerttness
  • 3.2 Friction speed
  • 3.3 Top forging pressure
  • 3.4 Jeb-length
  • 3.5 Friction time

1 Scope

This standard specifies the methods and requirements for inertia friction welding.

This standard applies to inertial friction welding of steel, nickel and nickel alloys. Other metal materials can also be used as reference.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.

Pieces. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 2651 welded joint tensile test method

GB/T 2654 welded joint hardness test method

GB/T 11345 weld non-destructive testing ultrasonic testing technology, testing level and evaluation

GB/T 18851.1 Non-destructive testing - Penetration testing - Part 1. General

GB/T 19805 Welding Operator Skills Assessment

GB/T 26955 Metal material weld destructive test weld macro and micro test

GB/T 32259 weld non-destructive testing fusion welding head visual inspection

JB/T 8086 friction welding machine

3 Terms and definitions

The following terms and definitions apply to this document.

3.1 Inertia inerttness

The inertia magnitude of the friction welding machine spindle system and the flywheel rotary motion.

3.2 Friction speed

The rotational speed of the spindle during friction welding.

Note. The unit is per minute (r/min).

3.3 Top forging pressure

The axial pressure above the frictional pressure applied to the joint contact surface after the spindle is braked.

3.4 Jeb-length

The length of the weldment extending beyond the spindle clamp and the tailstock clamp (cantilever portion).

3.5 Friction time

The time interval from the contact friction of the weldment to the stop rotation of the welder spindle.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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