Effects of Simulation Parameters on Springback in Air Bending of JCO Forming

2014 ◽  
Vol 623 ◽  
pp. 117-120 ◽  
Author(s):  
Li Feng Fan ◽  
Ying Gao ◽  
Jia Xin Yan ◽  
Jian Bin Yun
Keyword(s):  
Finite Element ◽  
Arc Welding ◽  
Large Diameter ◽  
Submerged Arc Welding ◽  
Forming Process ◽  
Air Bending ◽  
Welding Pipe ◽  
X80 Steel ◽  
Simulation Parameters ◽  
Submerged Arc

JCO forming is one of manufacture mode widely used in production of large diameter submerged-arc welding pipes, in which JCO forming process is progressive multi-step air bending. In order to improve JCO forming quality, it is necessary to predict springback of air bending. In this paper, air bending is simulated using finite element method, but simulation parameters directly affected prediction precision. So, taking the air bending of X80 steel Φ1219mm×22mm×12000mm welding pipe for instance, the air bending is simulated by finite element (FE) code ABAQUS. The effects of simulation parameters on springback is discussed. Thus, the results of research provides a basis to improve prediction precision of springback in air bending of JCO forming.

Deformation Characteristic Analysis on Air Bending in JCO Forming of Large Diameter Welding Pipe

2014 ◽  
Vol 623 ◽  
pp. 113-116
Author(s):  
Li Feng Fan ◽  
Ying Gao ◽  
Jia Xin Yan ◽  
Jian Bin Yun
Keyword(s):  
Finite Element ◽  
Large Diameter ◽  
Deformation Characteristic ◽  
Characteristic Analysis ◽  
Forming Process ◽  
Forming Quality ◽  
Air Bending ◽  
Welding Pipe ◽  
X80 Steel ◽  
Submerged Arc

JCO forming is one of manufacture mode widely used in production of large diameter submerged-arc welding pipes, in which JCO forming process is progressive multi-step air bending. In order to improve JCO forming quality, it is necessary to analysis deformation characteristic of air bending. So, air bending is analyzed using finite element method. Taking the air bending of X80 steel Φ1219mm×22mm×12000mm welding pipe for instance, the air bending is simulated by finite element (FE) code ABAQUS. In this paper, the simulation data is validated by experiments and a comparison showed a good agreement with experiments results. The stress/strain from simulation is discussed. Thus, the results of research provides a basis to improve JCO forming quality.

Effects of Mould on Crimping of Large Diameter Welding Pipe

2014 ◽  
Vol 623 ◽  
pp. 129-132
Author(s):  
Jia Xin Yan ◽  
Jian Bin Yun ◽  
Li Feng Fan
Keyword(s):  
Finite Element ◽  
Arc Welding ◽  
Large Diameter ◽  
Forming Process ◽  
Simulation Data ◽  
Welding Pipe ◽  
X80 Steel ◽  
Submerged Arc ◽  
Good Agreement

Crimping is widely used in production of large diameter submerged-arc welding pipes. In crimping process, mould is one of the main factors which influences the quality of forming and should be considered at the stage of designing the forming die and process. So, Effects of mould on crimping is researched using finite element method. Taking the crimping of X80 steel Φ1219mm×22mm×12000mm welding pipe for instance, the crimping forming process is simulated by finite element (FE) code ABAQUS. In this paper, the simulation data is validated by product and a comparison showed a good agreement with product results. The stress/strain from simulation is discussed. Thus, the results of research provides a basis to choose mould.

Effects of Geometry Parameters on Mechanical Expanding of Large Diameter Welding Pipe

2014 ◽  
Vol 986-987 ◽  
pp. 837-840 ◽  
Author(s):  
Li Feng Fan ◽  
Ying Gao ◽  
Jia Xin Yan ◽  
Jian Bin Yun
Keyword(s):  
Finite Element ◽  
Arc Welding ◽  
Large Diameter ◽  
Forming Process ◽  
Simulation Data ◽  
Welding Pipe ◽  
X80 Steel ◽  
Welded Pipe ◽  
Submerged Arc ◽  
Good Agreement

Mechanical expanding is widely used in production of large diameter submerged-arc welding pipes. To improve welded pipe quality, it is necessary to investigated effects of geometry parameters on mechanical expanding forming process. So, effects of geometry parameters on mechanical expanding is obtained using finite element method.. Taking the expanding of X80 steel Φ1219mm×22mm×12000mm welding pipe for instance, the mechanical expanding forming process is simulated by finite element (FE) code ABAQUS. In this paper, the simulation data is validated by experiments and a comparison showed a good agreement with experiments results. The effects of geometry parameters on mechanical expanding are discussed. Thus, the result of research provides a basis to improve welded pipe quality.

Sensitivity Analysis of Technical Parameters on Springback in Air Bending of JCO Forming

2014 ◽  
Vol 623 ◽  
pp. 137-140
Author(s):  
Jia Xin Yan ◽  
Jian Bin Yun ◽  
Li Feng Fan
Keyword(s):  
Sensitivity Analysis ◽  
Finite Element ◽  
Large Diameter ◽  
Forming Process ◽  
Technical Parameters ◽  
Air Bending ◽  
Welding Pipe ◽  
X80 Steel ◽  
Submerged Arc ◽  
Good Agreement

JCO forming is one of manufacture mode widely used in production of large diameter submerged-arc welding pipes, in which JCO forming process is progressive multi-step air bending. In order to design technical parameters, it is necessary to analysis effects of technical parameters on springback in air bending of JCO forming. So, sensitivity analysis of technical parameters on springback in air bending of JCO forming is carried out using finite element method. Taking the air bending of X80 steel Φ1219mm×22mm×12000mm welding pipe for instance, the air bending is simulated by finite element (FE) code ABAQUS. In this paper, the simulation data is validated by experiments and a comparison showed a good agreement with experiments results. The sensitivity analysis of technical parameters from simulation is discussed. Thus, the results of research provides a basis to design technical parameters.

Deformation Characteristic Analysis on Crimping of Large Diameter Welding Pipe

2014 ◽  
Vol 986-987 ◽  
pp. 1011-1014
Author(s):  
Li Feng Fan ◽  
Ying Gao ◽  
Jian Bin Yun ◽  
Jia Xin Yan
Keyword(s):  
Finite Element ◽  
Arc Welding ◽  
Large Diameter ◽  
Deformation Characteristic ◽  
Characteristic Analysis ◽  
Forming Process ◽  
Welding Pipe ◽  
X80 Steel ◽  
Submerged Arc ◽  
Good Agreement

Crimping is widely used in production of large diameter submerged-arc welding pipes. In order to improve crimping forming quality, it is necessary to analysis deformation characteristic of crimping forming process. So, crimping is analyzed using finite element method. Taking the crimping of X80 steel Φ1219mm×22mm×12000mm welding pipe for instance, the crimping forming process is simulated by finite element (FE) code ABAQUS. In this paper, the simulation data is validated by product and a comparison showed a good agreement with product results. The stress/strain from simulation is discussed. Thus, the results of research provides a basis to improve crimping quality.

Deformation Characteristic Analysis on Mechanical Expanding of Large Diameter Welding Pipe

2014 ◽  
Vol 623 ◽  
pp. 125-128 ◽  
Author(s):  
Li Feng Fan ◽  
Ying Gao ◽  
Jia Xin Yan ◽  
Jian Bin Yun
Keyword(s):  
Finite Element ◽  
Large Diameter ◽  
Deformation Characteristic ◽  
Characteristic Analysis ◽  
Forming Process ◽  
Welding Pipe ◽  
X80 Steel ◽  
Welded Pipe ◽  
Submerged Arc ◽  
Good Agreement

Mechanical expanding is widely used in production of large diameter submerged-arc welding pipes. To improve welded pipe quality, it is necessary to analysis deformation characteristic of mechanical expanding forming process. So, mechanical expanding is analyzed using finite element method.. Taking the expanding of X80 steel Φ1219mm×22mm×12000mm welding pipe for instance, the mechanical expanding forming process is simulated by finite element (FE) code ABAQUS. In this paper, the simulation data is validated by experiments and a comparison showed a good agreement with experiments results. The deformation characteristic of mechanical expanding is discussed. Thus, the result of research provides a basis to improve welded pipe quality.

Effects of Technical Parameters on Mechanical Expanding of Large Diameter Welding Pipe

2014 ◽  
Vol 623 ◽  
pp. 133-136
Author(s):  
Jia Xin Yan ◽  
Jian Bin Yun ◽  
Li Feng Fan
Keyword(s):  
Finite Element ◽  
Large Diameter ◽  
Forming Process ◽  
Technical Parameters ◽  
Welding Pipe ◽  
X80 Steel ◽  
Welded Pipe ◽  
Distribution Of Stress ◽  
Submerged Arc ◽  
Good Agreement

Mechanical expanding is widely used in production of large diameter submerged-arc welding pipes. The pipe is circumferentially expanded to obtain a highly circular shape. But the crack of the metal material often happens under the action of the expanding load. To analysis this problem, it is necessary to analysis the distribution of stress in mechanical expanding forming process. So, mechanical expanding is analyzed using finite element method. Taking the expanding of X80 steel Φ1219mm×22mm×12000mm welding pipe for instance, the mechanical expanding forming process is simulated by finite element (FE) code ABAQUS. In this paper, the simulation data is validated by experiments and a comparison showed a good agreement with experiments results. The maximum mises stress of mechanical expanding is discussed. Thus, the result of research provides a basis to improve welded pipe quality.

Analysis of Crimping of Large Diameter Welding Pipe

2014 ◽  
Vol 997 ◽  
pp. 517-521
Author(s):  
Li Feng Fan ◽  
Ying Gao ◽  
Jian Bin Yun ◽  
Lin Feng Dong
Keyword(s):  
Analytical Model ◽  
Large Diameter ◽  
Forming Process ◽  
Technical Parameters ◽  
Polynomial Curve ◽  
Welding Pipe ◽  
X80 Steel ◽  
Polynomial Curve Fitting ◽  
Effective Path ◽  
Submerged Arc

Crimping is widely used in production of large diameter submerged-arc welding pipes. Traditionally, the designers obtain the technical parameters for crimping from experience or trial-errors by experiments. To tackle this problem, a theoretical analytical model is proposed to analysis crimping forming process. In this paper, taking the crimping of X80 steel Φ1219mm×22mm×12000mm welding pipe for instance, the theoretical analytical model is constructed by quadratic polynomial curve fitting technique and mechanics theory. And it is verified by a comparison with experiment results. Thus, the presented model of this research provides an effective path to design crimping parameters.

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