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Research on the Off-line Programming Technolog for Robotic Profile Steel Cutting

Author: CuiJingJing
Tutor: GaoHongMing
School: Harbin Institute of Technology
Course: Materials Processing Engineering
Keywords: Robot Section steel cutting Offline Programming Parametric Drawing
CLC: TP242
Type: Master's thesis
Year: 2010
Downloads: 75
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Abstract


At present , the domestic shipbuilding industry of steel is hand-cut , cutting efficiency is low , difficult to guarantee product consistency , poor working conditions . High degree of flexible robot , suitable for the formation the beam automatic cutting production line to improve production efficiency and cutting quality , has become the the section steel cutting trends . Robot shaped steel core cutting system is off-line programming technology , CAD / CAM / Robot integration can be achieved . Cutting the feature modeling complex off-line programming , over edges at the cutting section steel type surface between poor quality as well as the form of a single groove section steel robot offline programming techniques . First , from a practical point of view robot shaped steel cutting the overall framework of the offline programming technology , with a focus on cutting feature modeling , cutting characteristics of programming , profiled cutting the calibration key technology study . Feature modeling software development , the basic features of graphics import DXF file or drawing . Cut features a series of path storage , development of parametric drawing algorithm to improve the efficiency of feature modeling . Next, the cutting characteristics of programming . Completed a directed acyclic graph section steel cut scene design , maintenance steel type library , and the cutting path planning . Continuous feature section steel bevel on characteristics , as well as cutting path according to the cutting path , developed contour bias intersection algorithm , the position of the robot pose varying groove cutting path planning . Bias intersection algorithm based on the combination of the ball flat steel and angle iron over the ridge at the characteristics proposed over - edge processing algorithms in order to ensure a smooth cut in over ridge at the robot , plasma gun . Finally, MotomanUP20 robot and plasma cutting completed robot shaped steel cutting off-line programming of test . Flat steel on the cutting of a variety of complex graphics , to verify the feasibility of parametric programming algorithm change bevel cutting path is completed on the flat steel cutting , the cutting bevel angle to meet the cutting requirements of the working conditions . Angle on over edge cutting test , smooth movement over the ridge at the robot and the plasma torch cut the corner a smooth transition , section steel cross section at no dislocation .

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Robotics > Robot
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