HTB(G)-DA69W系列电液伺服数控折弯机( Series Electro-hydraulic Servo CNC Press Brake)工作原理Working Principle

      HTB(G)-DA69W系列8 + 1轴加机械工作台补偿电液伺服数控折弯机的工作原理融合了多轴联动控制、电液伺服驱动以及独特的机械工作台补偿机制，具体如下：

1. 电液伺服驱动原理：该折弯机采用先进的电液伺服系统。数控系统会根据操作人员预先输入的加工参数（如板材材质、厚度、折弯角度、折弯长度等），经过精确的计算和分析后，向电液伺服阀发出对应的电信号。电液伺服阀依据这些电信号来精确控制液压油的流量和流向，进而驱动液压缸，实现对滑块运动的精准控制，包括滑块的下降速度、停止位置以及施加的压力等，以确保折弯操作的准确性和稳定性。

2. 8 + 1轴联动控制：“8 + 1轴” 意味着该折弯机具备多个可独立运动且又能协同工作的轴。其中8轴通常涵盖了滑块的垂直运动轴（控制上下行程以实现折弯动作）、后挡料的多个定位轴（用于精确确定板材的位置，保证每次折弯的尺寸精度）等。另外1轴可能是指特定的辅助轴或具有特殊功能的轴。这些轴在数控系统的协调和控制下，能够按照预设的程序和轨迹进行联动运动，使得折弯机可以处理各种复杂的折弯任务，满足不同形状和尺寸的板材加工需求。

3. 机械工作台补偿原理：在折弯过程中，由于工作台在承受较大压力时会产生一定的变形，这种变形会影响到折弯的精度。为了克服这一问题，该折弯机配备了机械工作台补偿装置。当滑块向下运动对板材施加压力进行折弯时，工作台的变形情况会被检测装置实时监测（可能通过传感器等设备）。数控系统根据检测到的变形数据，计算出需要补偿的量，并控制机械补偿装置（如通过丝杆、螺母机构等）对工作台的相应部位进行微调，增加或减少工作台的局部高度，从而补偿因工作台变形而导致的折弯误差，确保折弯角度和尺寸的高精度，提高加工质量。

4. 模具配合与折弯过程：折弯机上安装有特定形状和尺寸的上、下模具。上模具固定在滑块上，下模具安装在工作台上。当滑块在电液伺服系统的驱动下向下运动时，板材被放置在上、下模具之间，随着滑块的继续下压，板材在模具的作用下发生塑性变形，逐渐达到所需的折弯角度和形状。在这个过程中，各轴的精确运动和机械工作台补偿机制共同作用，保证了折弯的准确性和一致性 。

5. 数控系统的核心作用：数控系统是整个折弯机的大脑，它不仅负责接收和处理操作人员输入的各种加工参数，还能对电液伺服系统、各轴的运动以及机械工作台补偿装置等进行实时监控和精确控制。通过内置的算法和程序，数控系统能够根据不同的加工任务，自动调整各部分的工作状态，实现自动化、智能化的折弯加工过程，同时还具备故障诊断、数据记录和存储等功能，方便操作人员进行设备维护和生产管理。

     The working principle of the HTB(G)-DA69W series 8 + 1-axis electro-hydraulic servo CNC press brake with mechanical worktable compensation integrates multi-axis linkage control, electro-hydraulic servo drive, and a unique mechanical worktable compensation mechanism, as follows:

1. Principle of Electro-hydraulic Servo Drive: This press brake adopts an advanced electro-hydraulic servo system. The CNC system will send corresponding electrical signals to the electro-hydraulic servo valve after precise calculation and analysis based on the processing parameters pre-entered by the operator (such as the material, thickness, bending angle, and bending length of the sheet metal, etc.). The electro-hydraulic servo valve precisely controls the flow and direction of the hydraulic oil according to these electrical signals, and then drives the hydraulic cylinder to achieve precise control of the movement of the slider, including the descending speed, stop position, and the applied pressure of the slider, to ensure the accuracy and stability of the bending operation.

2. 8 + 1-axis Linkage Control: "8 + 1-axis" means that this press brake has multiple axes that can move independently and work in coordination. Among them, the 8 axes usually include the vertical movement axis of the slider (controlling the up-and-down stroke to achieve the bending action), multiple positioning axes of the backgauge (used to accurately determine the position of the sheet metal to ensure the dimensional accuracy of each bending), etc. The additional 1 axis may refer to a specific auxiliary axis or an axis with special functions. Under the coordination and control of the CNC system, these axes can perform linkage movements according to the preset program and trajectory, enabling the press brake to handle various complex bending tasks and meet the processing requirements of sheet metals of different shapes and sizes.

3. Principle of Mechanical Worktable Compensation: During the bending process, the worktable will deform to a certain extent due to the large pressure it bears, and this deformation will affect the bending accuracy. To overcome this problem, this press brake is equipped with a mechanical worktable compensation device. When the slider moves downward to apply pressure to the sheet metal for bending, the deformation of the worktable will be monitored in real time by the detection device (possibly through sensors and other equipment). The CNC system calculates the required compensation amount according to the detected deformation data and controls the mechanical compensation device (such as through a screw and nut mechanism, etc.) to make fine adjustments to the corresponding parts of the worktable, increasing or decreasing the local height of the worktable, thereby compensating for the bending error caused by the deformation of the worktable, ensuring the high accuracy of the bending angle and dimensions, and improving the processing quality.

4. Mold Matching and Bending Process: Specific-shaped and sized upper and lower molds are installed on the press brake. The upper mold is fixed on the slider, and the lower mold is installed on the worktable. When the slider moves downward driven by the electro-hydraulic servo system, the sheet metal is placed between the upper and lower molds. As the slider continues to press down, the sheet metal undergoes plastic deformation under the action of the molds and gradually reaches the required bending angle and shape. During this process, the precise movement of each axis and the mechanical worktable compensation mechanism work together to ensure the accuracy and consistency of the bending. 

5. The Core Role of the CNC System: The CNC system is the brain of the entire press brake. It is not only responsible for receiving and processing various processing parameters input by the operator but also for real-time monitoring and precise control of the electro-hydraulic servo system, the movement of each axis, and the mechanical worktable compensation device, etc. Through the built-in algorithms and programs, the CNC system can automatically adjust the working status of each part according to different processing tasks to achieve an automated and intelligent bending processing process. At the same time, it also has functions such as fault diagnosis, data recording, and storage, which is convenient for the operator to carry out equipment maintenance and production management.

一、设备特点：

本机床采用荷兰进口DELEM DA69W数控系统或瑞士CYBELEC系统，

具有人性化吊臂；基于实时的windows操作系统，三维彩色图形折弯机数控系统

   采用荷兰 DELEM公司 DA69W数控系统或瑞士CYBELEC折弯机数控系统为使用者提供友好操作界面，高效率编程方式，和引以自豪稳定性集成于一体，将大大提高数控折弯机的工作效率。

图形编程技术秉承Delem或GYBELEC传统的编程优势，真实比例显示工件、模具和机床。

数控系统包括2D图形编程软件，具有折弯工序自动计算、工件干涉检测和自学习数据库，数据库运用将大大提高折弯精度。

全功能3D图形编程软件清晰展示真实机床模具配置以及折弯实现的可行性。

采用更高效率算法优化整个Y轴、X轴、R轴和补偿V轴工作循环，使得Y轴、X轴、R轴和补偿V轴循环的周期缩短，提高机床工作效率，同时对Y轴调整和控制更为方便。

二、设备性能介绍：（设备标配）

1、整机采用钢板焊接结构，并经整体振动处理；

2、一次装夹整体加工，保障机身的刚性和加工精度；

3、标准为数控8+1轴，Y1 、Y2、 X1、X2、R1、R2、Z1、Z2＋ V；

4、电液伺服系统配合瑞士进口光栅尺，折弯精度更高；

5、液压挠度自动补给，消除滑块弯形对工件质量的影响；

6、原装进口集成液压控制系统减少管路安装，克服漏油；

7、后挡料采用台湾HIWIN（上银）直线导轨及滚珠丝杠驱动，速度更快精度更高；

8、上模选用快速夹紧，减轻工人劳动强度，提高生产效率；

9、可选配荷兰DELEMDA69G系统或瑞士CYBELEC系统；

10、可根据用户需要，后定位可控制八轴；

11、可选配液压上模夹紧。 

12、增加数控轴另议。

I. Equipment Features:

This machine tool is equipped with the imported Dutch DELEM DA69W CNC system or the Swiss CYBELEC system.

It has a user-friendly boom. Based on the real-time Windows operating system, it is a three-dimensional color graphic CNC system for press brakes.

The adoption of the Dutch DELEM DA69W CNC system or the Swiss CYBELEC press brake CNC system provides users with a friendly operation interface, a high-efficiency programming method, and integrates the proud stability, which will greatly improve the working efficiency of the CNC press brake.

The graphic programming technology inherits the traditional programming advantages of Delem or GYBELEC, and displays the workpiece, mold, and machine tool in true proportion.

The CNC system includes 2D graphic programming software, which has functions such as automatic calculation of bending processes, workpiece interference detection, and a self-learning database. The application of the database will greatly improve the bending accuracy.

The full-featured 3D graphic programming software clearly shows the configuration of the real machine tool mold and the feasibility of bending.

A more efficient algorithm is used to optimize the entire working cycle of the Y-axis, X-axis, R-axis, and compensation V-axis, shortening the cycle period of the Y-axis, X-axis, R-axis, and compensation V-axis, improving the working efficiency of the machine tool. At the same time, it is more convenient to adjust and control the Y-axis. 

II. Introduction to Equipment Performance: (Standard Configuration of the Equipment)

1. The whole machine adopts a steel plate welding structure and has been subjected to overall vibration treatment. 

2. It is processed integrally in one clamping, ensuring the rigidity of the machine body and the processing accuracy.

3. The standard is a CNC 8 + 1 axis, namely Y1, Y2, X1, X2, R1, R2, Z1, Z2 + V.

4. The electro-hydraulic servo system, combined with the imported Swiss grating ruler, enables higher bending accuracy.

5. Automatic hydraulic deflection compensation eliminates the influence of the slider's deformation on the quality of the workpiece.

6. The original imported integrated hydraulic control system reduces pipeline installation and overcomes oil leakage problems.

7. The backgauge is driven by Taiwan HIWIN linear guides and ball screws, featuring faster speed and higher accuracy.

8. The upper mold is selected with a quick clamping device, reducing the labor intensity of workers and improving production efficiency.

9. The Dutch DELEMDA69G system or the Swiss CYBELEC system can be optionally configured.

10. According to the needs of users, the rear positioning can control eight axes.

11. Hydraulic upper mold clamping can be optionally configured.

12. Adding CNC axes will be discussed separately.

三、数控折弯机技术参数表(Technical Parameter Table of CNC Press Brake):