Slug pulling is a headache problem in metal stamping industry. Poor tool design or poor tooling set up technique can cause slug pulling. Slug pulling is usually caused by improper draft angle on the die, too big the cutting clearance, vacuum effect on punch, insufficient punch to die entry, excessive lubrication used, magnetism etc....
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Archive for July, 2010
slug retention in metal stamping
extrusion in sheet metal working
Extruded holes are usually used to produce tapped or threaded holes. Occasionally, the interior extruded diameter can use for bearing surface and the exterior diameter is used for locating features. Extrusion process in sheet metal generates the most heat due to friction during press working. For this very reason, special considerations must be taken...
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Coming the world largest solar power plant Shams 1
Shams 1, the largest solar power plant in the world will be constructing in Middle East starting Q3 2010. The joint venture project between Masdar and Abengoa Solar will develop, build, operate and maintain the plant which will be located in Madinat Zayed, approximately 120 km southwest of Abu Dhabi in the United Arab...
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Safety saw blade
Anyone ever operate a wood sawing machine before? The saw blade is running at a high speed of about 1,000 RPM and it usually without any safety guard covering it. Imagine if the operator’s hand touches this saw blade, you know the consequences, he or her may not have a chance to use their...
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Progressive tool – drawn ring
Drawn ring produced in a simple progressive tool. Found this video from You tube when I was searching some other information related to stamping technology. Although this video was taken a few years back, but is showed viewers a clear picture of how a simple drawn tool been design and runs in a progressive...
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