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"Tunnel Gate Logic" CNC EDM Tunnel Gate Chuck SET OF 4 CHUCKS WITH A TOOL LENGTH OFFSET PROBE IN A PLASTIC STORAGE CASE This system has been developed specifically for the CNC EDMing of plastic injection mold tunnel gates. The current systems that are now available are not made for easy angle setting or for easy tool length offset settings when using multiple tool holders. This system allows for the quick setting of the tunnel gates inclined angle from 0 to 90 degrees in 5 degree increments with it's unique indexing system. The unit has graduations every 5 degrees with a reference pin for easy angle setup. No sine plate required to true in the inclined angle. The TGL gate chuck set of 4 holders comes with a tool length offset probe for when multiple chucks are used. The teardrop probe attachment makes it possible to set your tool length offsets so that all the holders in the group are identical. You locate one holder to your work piece with one of the tunnel gate electrodes and all the other holders will repeat to your programmed locations and depths. The holders are designed to use 3/8 square electrode material. You will end up grinding a group of electrodes to your desired included angle using a Harig type grinding fixture or similar. Also, these electrodes can also be purchased from us in a variety of standard included angles. The TGL chuck is also available with an optional 3R coin holder. The chuck can c-clamp to a rail type holder or the shank can mount in any EDM holder that will clamp a 1"square body. |
