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The Difference Between NC Press Brake and CNC Press Brake Machine

Views:153     Author:Site Editor     Publish Time: 2020-04-13      Origin:Site Inquire

NC Press Brake

CNC Press Brake Machine

nc press brake

Similar front view

cnc press brake machine

Similar front view

nc hydraulic press brake

Similar back view

cnc hydraulic press brake

Similar back view

nc press brake controllercnc press brake machine controller
Main difference 1

NC controller limited for 2 axes only: X+Y

When you want to bend 90 degrees for a 3mm thick plate,

1. Testing a plate in Y=88mm, maybe you got 89 degrees, or maybe 91degree. This need to test some sheets to get what you want.

2. When you change a thickness, material or length or V-die, etc., each factor changed, you have to test again some sheets, so totally you have to test many many sheets to get what you want, then make a record list.

3. So this work highly depends on the experienced worker.

CNC controller has 3 axes: Y1, Y2, X basic, can extend more

When you want to bend 90degree for a 3mm thick plate,

1. You put 3mm thick, put 90degree into the controller directly, choose the right tooling, test a bending, you may get 89 degrees or 91 degrees, then just amend several parameters in the controller.

2. Then do a second bending, you will get exactly what you want.

3. So this work is calculated by the controller.

Main difference 2
Y is mechanical balanced, so have only 1 axis Y, synchronization accuracy depends on mechanical parts.Y1 & Y2 is balanced by the grating ruler, high synchronization accuracy.

ram balance of nc press brake 1

ram balance of nc press brake 2

Mechanical torsion bar for ram balance 

(manually adjustable)

cylinders’ balance of cnc press brake machine

The grating ruler at two sides for two cylinders’ balance (easy adjustment through the controller)

hydraulic system of nc press brake

One set of main hydraulic system

hydraulic system of cnc press brake

One set of the main hydraulic system + two sets of servo proportional valves (on the top of the left and right cylinder)

axis of nc press brake

Y-axis drive by the motor.

Two cylinders connected by the pole with belt work at the same time.

axis of cnc press brake

Y1, Y2 axis drive by servo proportional valve separately, connected by a grating ruler with high feedback accuracy.

Main difference 3

Back gauge of nc press brake

Back gauge only 1 axis, X -front &back

Stop finger can manually adjust up and down.

Back gauge of cnc press brake machine

Back gauge can extend to more axes: X1, X2, R1, R2, Z1, Z2

light beam of nc press brake

Only light beam suitable for safety

light beam of cnc press brake 1

light beam of cnc press brake 2

Both light beam or a laser beam is suitable for safety


ZYMT, as a professional press brake machine manufacturers in China, providing high-quality NC press brake and CNC press brake machine. If you have any needs of NC press brake or CNC press brake machine, contact us.

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