Die protection system in high speed metal stampings.Die Protection system is often protect your progressive die in the case any sort of unexpected event. These events can be misfeed, strip buckle, double hits, slug up, broken punch several.
A mis-feed pilot can be in most of the tool shops for tool protection since the last four decades. Today, many conventional tool shops even now using it. The micro switch connected to the machine e-stop. The micro switch cut off the power supply and eventually stops gear when the pilot activated the micro switch when misfeed is detected. This method usually applied to low speed conventional stamping with 50-100 spm.
In today market, stamping machines are running in much more faster associated with. Misfeed pilot is no longer sufficient in die a defence. Double hit, slug up and strip buckle is oh dear to be detected this particular method.
A Photoelectric fork light sensor usually used for reel to reel blazing fast internet connection stamping industry. This fork sensor is really a through-beam photosensor having a pre-aligned emitter and receiver permanently housed in an U shaped cast metal case. The sensor is installed either within the tool or at the end of the tool, to detect the hole or the extra edge of the strip, it is programmable to count involving passes during one machine cycle internet site number of the tool is operating.
The counting accomplished during the feeding of stock material before the punching stroke take locale. Electronic signal will pass to the controller to stop device when the actual counting does not match the pre-set number. As such, misfeed can be detected immediately duplicate one book punching ram is almost certainly descended down. Is actually very a great way to detect misfeed ultimately high speed stamping environment. However, little is not place detect slug up and broken punch effectively.
Another type of die protection product is widely used planet Precision metal stamping industry industry, a sensor is mounted at the die plate or spring stripper to monitors the gap between stripper and die surface. This gap can be as fine as .00004 inches (1/1000mm), By monitoring these subtle deviations in stripper position or die height, it can detects misfeeds, pulled slugs, double hits yet another abnormal conditions. The security system can be used to any stamping operation with hurries up to 2500 machine cycles per minute (SPM).
Once the machine is at production speed, the upper and lower limits are automatically adjusted based your stamping process. Unfortunately, the detection may occur always after the punch and die is in in contact with. In short, damages had already done to the tool.
The combination of both methods within tool is advisable for die protection in the blazing fast internet connection stamping industry.
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