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Introduction to E21 CNC system From ESTUN

Introduction to E21 CNC system From ESTUN


This article mainly introduces the operation of the Press Brake E21 CNC system, which is mainly used to guide the user's operation. Everyone can read through this article and master the essentials when purchasing or before using. The E21 system provides complete software control, but there is no mechanical safety protection device for the operator or the machine tool body. Therefore, when the system fails, the machine tool must be able to provide external protection devices for the operator and the machine tool.


Chapter 1 Advantages



The E21 system has a special CNC system suitable for all kinds of users. On the basis of ensuring the working precision, the cost of the CNC Shearing Machine and NC Press Brake is greatly reduced. This product has the following characteristic


E21 NC Controller


In addition to the E21 system described in this article, the hydraulic press brakes produced by our company are also available in DA41S, E200P and Cyb Touch8.


Chapter 2 Operation Panel


                       

ESTUN controller


The picture above is the operation panel of the E21 system. Next, we will introduce the functions of each button in the form of a table.


         

press brake control panel

Chapter 3 Display


E21 Controller Display


E21 Controller Description

Chapter 4 Operation Process


E21 Controller Operation process



Chapter 5 Programming Mode-Single Step Program


The E21 system has two programming methods-single-step programming and multi-step programming. The user can make programming according to actual needs.The single-step program is usually used to process a workpiece in a single step. After the device is powered on, it automatically enters the single-step program page.


Caution for press brake

Steps

Step 1 After booting, the device automatically enters the single-step program setting page, as shown in the figure below.

Single Step for press brake


Step 2 Press ↓to select the parameter to be set, press the numeric keys to enter the value to be set, and press← to complete the input. The parameter setting is allowed only when the stop indicator is on. The single-step parameter setting range is shown in the table below.

Parameters of press brake


Step 3 Press□, the system runs according to the content of this programming. As shown below.



Single Step

Chapter 5 Programming Mode-Multi-Step Program


The E21 system has two programming methods-single-step programming and multi-step programming. The user can make programming according to actual needs.Multi-step programs are usually used when processing single workpieces with different work steps, to achieve continuous execution of multiple work steps and improve product processing efficiency.

caution of E21 Controller

Steps


Step 1 After booting, the device automatically enters the single-step parameter setting page.


Step 2 Press to switch to the program management page, as shown in the figure below.


Program of E21



Step 3 Press to select the program number. Or directly enter the program number, such as "1".


Step 4 Press to enter the multi-step program setting page, as shown in the figure below.


   

program 1


Step 5 Press to select the multi-step program parameter to be set, enter the set value, and press to make the setting effective.

Step 6 After setting, pressto enter the step parameter setting page, as shown in the figure below.

E21 Program setting


Step 7 Press to select the step parameter to be set, input the value to be set, and press the setting to take effect.


Step 8 Press to switch between the steps of the program. If the current step is the first step, press→ to enter the last step parameter setting page; if the current step is the last step, press to enter the parameter setting page of the first step. The multi-step parameter setting range is shown in the table below.


       

Controller Units

Step 9 Press, the system runs according to the content of this program. As shown below.


Program of E21



Chapter 6 Programming Constants


Programming constants Users can set the general parameters displayed by the device according to their own habits, such as metric and English, display language, etc.


Step 1 In the program management page, press to enter the programming constants page, as shown in the figure below. Under this page, you can set the programming constants.


               

Const of E21 controller

Step 2 The setting range of programming constants is shown in the table below.


   

NC Press Brake controller parameters


Step 3 Enter the password "1212" and press to enter the teaching page, as shown in the figure below.


     

Teach of E21

Step 4 Select the parameter to be set. The parameter setting range is shown in the table below.


 

System parameters


[How to teach] The user can use the measuring tool to directly measure the position of the back gauge and slider of the machine tool; if it is not convenient to measure the machine tool directly, you can compile and run any single-step program to measure the processed workpiece using the measuring tool, and then Enter the correct teaching value.


Step 5 Press to return to the programming constant page.


Important passwords: In addition to the password 1212 mentioned above to enter the teaching interface, there are the following passwords to help you better use the E21 system.



Chapter 7 Security Alarm


The device can automatically detect internal or external abnormalities, and give an alarm prompt to the abnormal content, and can view the alarm content in the alarm list.


Step 1 In the program management page, press to enter the programming constant page.


Step 2 On the programming constant page, press to enter the "Alarm Record" page, and you can view all the alarm records.


Step 3 As shown in the figure below, the last 6 alarms can be observed through the page. The page displays the alarm number and its cause.

Alarm record of E21

Alarm number and alarm information

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