Power-reverse punch feature helps increase hole puncher productivity

April 16, 2014

Hougen Mfg. has introduced the Hougen®-Ogura® 75002.5PR and 75004PR electrohydraulic hole punchers. The 24.9-lb. units feature single-body construction for punching holes in steel in as little as 2.3 sec.

Both models include the new power retractable punch system, which allows users to power-reverse the punch back out of the hole. According to the manufacturer, this can help improve productivity in hard, elastic materials that tend to grip the punch, not allowing it to automatically return to the home position after the hole is produced.

The machines use only electrical power to operate the motor and the self-contained hydraulic system. No additional hydraulic pumps or hoses are needed.

The 75002.PR provides 10.1 tons of punching pressure to punch round holes up to 0.75 in. dia. through 0.25-in. material and oblong holes up to 0.5625 by 0.8125 in. The 75004PR has an increased punch pressure of 16.9 tons and can punch round and oblong holes in materials up to 0.375 in. thick. Both units can punch holes in flat bar, H-steel, angle iron, and channel.

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