外国公司做的焊接培训.ppt
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1、Weld Quality Awareness Induction Training,Mike Bell,Aims of the session,To understand the importance of weld quality,Learn to recognize basic weld defects,Understand how the most common defects are caused,Appreciate the contribution operators can make to preventing defects getting into cars.,Introdu
2、ction,Together with press-forming, welding is our main business.,Almost all welding is done by robots,Robots are consistent and tireless, but,At the moment robots do not have eyes and ears That is why we depend on YOU,Why defects are important,Bad welds = poor durability,Durability is how long the p
3、arts are expected to last before failure,Target durability is 150,000 miles or 10 years,Chassis part failure can lead to :-,Serious injury or death,Warranty costs / recall,Loss of contracts and jobs,Fatigue failure,Fatigue occurs when loads are applied backwards and forwards many times,Eventually a
4、crack will appear and grow. Usually the crack will start at a weld toe,The higher the stress, the faster the growth. Defects increase the stress and make parts fail sooner,MIG / MAG Process,Parent material,Fillet weld terms,To obtain a good weld the parts must be in the right place,The main cause of
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