In die tapping allows threading to be done in a progressive tool without involving expensive secondary threading operations. In die tapping units are available in both mechanical and servomotor driven. Mechanical driven tapping unit hreading is done by a series of gears arranged in different ratios, which are driven by a vertical lead screw...
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Posts Tagged ‘ metal stamping ’
In Die Tapping Technique
Stuck on bottom mechanical press
Any mistake made during the tool set up process can cause the mechanical press to be overloaded and stuck to the bottom of the press stroke. The mechanical press gets stuck on the bottom of the stroke when the press’s energy cannot sustain the required punching force as the press’s energy has depleted and...
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Nitrogen gas springs Vs compression coil spring
Nitrogen gas springs are getting common and popular in metal stamping industry. Like the conventional compression springs, they are available in many different sizes, stroke lengths and pressures. Although the cost is higher compare to the conventional coil springs, but they have many advantages over the conventional compression springs.
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Safety considerations for Quick Die Change system
The traditional method of die set up usually takes more than 4 hours, it depend on how big the tooling size is and what is the machine type. One way to reduce the set up time is to look into how fast the tool can be setup properly and safely. A quick die change...
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Die Protection NO or NC
In my last article, I talked about die protection system in high speed stamping environment. Since then, I started to put some attentions to the die protection system that we are using in our tool shop. To my surprise, I found some silly mistakes that it should not be even happened in our tool...
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Die protection system in high-speed metal stampings
Die Protection system is used to protect your progressive die in the case of any unexpected event. These events can be misfeed, strip buckle, double hits, slug up, broken punch etc. A mis-feed pilot is used in most of the tool shops for tool protection since the last four decades. Today, many conventional tool...
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Stamping press for fineblanking
The stamping presses used on fine blanking process are not an ordinary press used on any stamping operation. Fineblanking presses are usually designed with three specific motions: A stinger motion, which brings the stinger plate up and holds the material in place during blanking, the stinger plate is usually designed with a v-ring around the cutting profile...
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