Second, the main configuration details:
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Nanjing Gaoteng CNC Technology Co., Ltd. has been engaged in the numerical control transformation of vertical vehicles for many years. The number of vertical vehicles that have been transformed has been nearly 150. It has been used for C5122, C5116, C5120, C5220, C5225, C5231, C5240, SVT160, DVT250, DVT400, DVT500. A number of vertical vehicles have undergone numerical control transformation, and users are located in Wuxi, Jiangyin, Zhangjiagang, Changzhou, Nantong, Shaoxing, Wenzhou, Huzhou, Maanshan, Shanghai, Jinan, Tianjin and other regions. The company has a professional transformation team and accumulated a wealth of experience in special machine transformation. In the wind power, slewing bearings, wheels and some military gear industries, our modified equipment is in use.
This year, Nanjing Gaoteng CNC Technology Co., Ltd. has transformed more than 60 models of various models. Due to the many models of the machine tools we have modified, we have a better understanding of the performance, structure, transformation dimensions and user requirements and habits of the machine tools. Therefore, the structure and dimensions of the modified parts we provide are reasonable and the design is in place; we try to use the machine tools. The original installation hole is designed to maximize the protection of the original structure of the machine tool. At the same time, our configuration is optimized after long-term experience, and is integrated after the requirements of various users. Therefore, our configuration is It is more reasonable to ensure long-term stable operation of the machine tool after transformation. In addition, we choose a reasonable motor torque to protect the machine in the case of a vicious collision. At the same time, we set the corresponding protection value for the drive parameters so as not to damage the machine. After a long period of experience in the transformation, we have a relatively mature, economical and reasonable transformation plan for different models of vertical vehicles.
First, the overall plan for the transformation:
C5240 double-column vertical car numerical control transformation, mainly to adapt to the ground equipment and fixtures, ¢4000 below the various types of discs, complex curved surface parts of the rough turning machining, to achieve dimensional consistency requirements in the mass production of parts.
1. Maintain the numerical control transformation of the right tool post feeding system on the basis of retaining the mechanical structure of the machine tool, the sliding seat body and the ram. Remove the feed box of the right tool holder of the original machine tool, replace the original horizontal and vertical ordinary screw into a precision ball screw (South Process), and install it at the end of the original position of the machine using a planetary reducer and an AC servo motor (Yakawa, Japan). The semi-closed loop control is realized by the Siemens 802C BL numerical control system and the corresponding servo drive system to realize the linkage of the X and Z axes of the machine tool.
2. The X-axis AC servo motor uses a motor with a power of 4.4Kw and a torque of 28Nm. The Z-axis AC servo motor uses a motor with a power of 4.4Kw and a torque of 28Nm. Since the Z-axis ram has no counterweight, the Z-axis is used. The brake motor has a power-off protection function.
3. The wire arrangement on the carriage board adopts the structure of the tank tow chain, which is safe and reliable.
4. It retains the original operation function and adopts the structure synthesized by the numerical control system and the machine operation panel, which is very easy to operate.
5. The left tool holder of the machine tool retains the original control function, and the original electric box is shared with the numerical control system. The operation panel is re-customized, and the control function of the original left tool holder is not affected;
6. Introduction to CNC system function: SINUMERIK 802C base line is an economical CNC control system specially developed for the Chinese CNC machine tool market. Its characteristics are as follows: Compact, highly integrated CNC unit, operator panel, machine operator panel and input and output unit. The operator panel provides all the keys for CNC operation, programming and machine control actions, as well as an 8-inch LCD display, as well as 12 user-defined keys with LEDs. Working mode selection (6 types), feed rate adjustment, spindle speed adjustment, CNC start and CNC stop, system reset are operated by button. The system resolution is 0.001mm, international G code programming, with linear, circular interpolation and tool compensation. Users can customize the function by PLC programming.
CNC machine tool is the most effective way to improve machining automation. Ordinary vertical lathes have low processing efficiency, especially for the machining of parts with relatively complicated shapes of hubs. It is necessary to use several tools to match, even to use forming tools. The machining process is complicated, and there are obvious joints and the surface quality is poor. . Through the numerical control transformation of the original ordinary vertical car, it can save money, effectively improve the precision, efficiency and surface quality of the processing, and realize the technical upgrade of the original equipment.
name
specification
Quantity
Supplier
Remarks
CNC system
Siemens 802C-BL
1
Siemens
Servo drive and motor
Yaskawa
2
Japan
One of them is a brake motor
Ball screw rod
P4 level
2
Nanjing Craft
4 meters modified custom screw
Bearing
P4 level
4
Harbin axis
large angle
Coupling
2
Imported from Italy
For the connection of the motor and the screw
Control cabinet
Built-in retrofit appliance
1
Nanjing Gaoteng
Retrofitting heat exchanger (Point)
System box
With operation panel
1
Nanjing Gaoteng
Including the original vertical car function integration
Hand wheel remote control box
For tool setting
1
Domestic
With axis selection
Communication Interface
RS232
1
Siemens
3 m communication cable
Switching power supply
1
Zhengtai
air switch
Several
Zhengtai
Limit switch
2
Zhengtai
Relay
Several
Zhengtai
Other auxiliary appliances
Several
Domestic or imported
Motor bracket
2 sets
Nanjing
Resin sand casting
Electric lubrication pump
1
Nanjing
Electric timing lubrication
Other mechanical accessories
Several
Nanjing
Resin sand casting
Cable
Several
Remarks: 1. After transformation, retain the original operation function.
2, using Siemens 802C numerical control system, and the servo system to form a semi-closed loop structure, the control structure is stable and high precision.
(This article is provided by the company, does not represent the views of this website)