ESTUN E21 controller is an entry-level CNC system designed by ESTUN Automation, a Chinese company known for a variety of industrial automation products. The E21 system is specifically developed for bending applications and is commonly used in press brakes for sheet metal forming processes.

ESTUN E21 Price: US $245

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This product is equipped with press brake machine dedicated numerical control device
which is applicable to various users. On the basis of ensuring work precision, the cost of
numerical control bending machine is reduced significantly.
Features of this product are listed below:
-Positioning control of back gauge.
-Intelligent positioning control.
-Unilateral and bidirectional positioning which eliminates spindle clearance effectively.
-Retract functions.
-Automatic reference searching.
-One-key parameter backup and restore.
-Fast position indexing.
-40 programs storage space, each program has 25 steps.
-Power-off protection.