Full electric servo CNC punch press

Views: 3     Author: DURMAPRESS     Publish Time: 2021-09-01      Origin: DURMAPRESS


Full electric servo CNC punch press

1. Full electric servo CNC punch press Fuselage:

The body adopts "O" type (closed) structure, steel plate welding, steel plate through strict material analysis, to ensure the material; According to the scientific principle of motion mechanics design, the main board of the fuselage, internal rib plate design is reasonable, to ensure the overall stability of the fuselage. The whole body is treated with high temperature tempering by electric furnace to completely eliminate the internal stress produced by welding, enhance the stability of the body and avoid deformation; Fuselage throat tail unique design, reduce the height of the throat, increase the strength of the body, effectively ensure the stability of the bed and stamping tonnage. Body guide rail, screw, cutter head, positioning cylinder, transmission mechanism and other installation surface, installation hole, by a large CNC floor boring machine clamping processing, to ensure the flatness, parallelism, verticality of each machining surface and assembly accuracy of each part set, improve the processing accuracy of equipment.

2, CNC punch press stamping assembly:

The power head is welded with steel plate, tempered by high temperature, and subjected to strict anti-leakage treatment and testing, with good stability; Crankshaft, connecting rod and striking head are made of 45# round steel by tempering, tempering, turning, grinding and other processes. All the assembly adopts tin bronze bushing, with unique oil groove, and high pressure oil pump circulating filter oil supply, to ensure sufficient lubrication, in place, to avoid wear caused by insufficient lubrication and oil impurities, with high strength, wear resistance and other advantages. The power output adopts high-power hollow shaft servo direct drive motor, the assembly crankshaft is connected with the servo motor as a whole, to avoid the malpractice of transmission dislocation and delay caused by too many connection links; Direct drive stamping operation high stability, noise

Should be fast, stamping mode using pendulum control mode, according to the stamping stroke, stamping process, automatic selection of swing Angle, so that the stamping efficiency is greatly improved.


Based on the drive control technology of British BT company, the special program of punch servo drive controller is written according to the use requirements of domestic turret punch press. The core components of the drive controller are imported components, precision and stability. Punch servo motor adopts oil cooling cycle, which has the advantages of low temperature rise and strong overload capacity, and solves the trouble of water cooler frequently replacing coolant in cold areas in winter.

3. Transmission mechanism:

The cutter head adopts 45 # carbon steel quenching and tempering treatment. After turning milling, the surface treatment of large NC plane disk grinding machine ensures the flatness and smoothness of the upper and lower surface of the cutter head. The special fixture processes the positioning holes in pairs to ensure the coaxiality of the upper and lower molds; The thin tower inlaid cutter head structure, while reducing the weight of the cutter head, still maintain the long guide structure, to ensure the stability of the guidance of the mold, the company is equipped with a large imported (Sweden Hexagon) three coordinate measuring instrument, the cutter head after the detection of qualified assembly (cutter head positioning hole indexing value of other measuring tools can not be detected). Cutter head rotation adopts worm reducer, double chain transmission mode, reducer installed in the body, enhance the stability of transmission and displacement accuracy; Cutter head adopts enlarged cylinder seat, double cylinder positioning design, strong synchronization, stable and accurate positioning, while avoiding the wear of cutter head side sleeve. Rotary station (rotation station) adopts synchronous belt transmission mode, which has the advantages of fast transmission speed, high precision and low noise.

4. Feeding mechanism:

Y axis adopts one connecting plate, X axis square tube beam double rail design, after tempering treatment, on the basis of ensuring the rigidity, reduce the weight of components, more stable operation, more accurate position; Guide rail and screw are imported from Taiwan brand products, guide rail and screw assembly adopts strict scientific assembly process, the company is equipped with advanced laser collimator, laser interferometer and other testing equipment, to ensure the assembly accuracy, effectively improve the feeding accuracy and running speed. Using floating pneumatic clamp, clamping force, stable feeding; Integral dovetail drag plate, good rigidity, easy to move clamp; When feeding, the clamp can float down automatically to facilitate the plate to enter the clamp mouth, which greatly reduces the labor intensity of the operator. Multi-point automatic lubrication system is adopted for each moving part to ensure comprehensive lubrication and avoid wear of moving parts due to insufficient lubrication. All welding parts, casting parts are tempered to eliminate internal stress; Machined parts are all processed in the company (precision parts are all finished by the machining center), and assembled after passing the inspection, which effectively controls the machining tolerance of each part and eliminates the accumulated tolerance in the assembly process of parts


5. Working table:

Adopt universal ball, brush mixing, pneumatic lifting type work table, reduce the noise and vibration of machine tool working, to process the plate surface has a good protection, can effectively prevent the plate surface scratch. The unique dustproof design structure of working table can prevent the collision plate accident caused by too large gap, and play a dustproof effect on guide rail and screw; Effectively prolong the service life of guide rail and screw. Table periphery and table hairless brush part of stainless steel protection, beautiful and generous, durable, prevent plate scratch work table. Data line protection from the traditional built-in way to the fuselage side drag chain protection Settings, reduce the gap of the table, prevent scraping board, collision board.

6. Control system:

Imported motherboard superordination machine type movement control CARDS, and cooperate with panasonic servo unit RTEX bus and using full closed-loop transmission signal, to avoid the step pulse transmission way signal lost, the phenomenon such as transmission delay, and no signal feedback, improved the signal transmission speed and accuracy, can effectively enhance the speed and precision of the equipment. The communication speed of bus control mode is fast and the cycle is short, which greatly improves the accuracy of the coordination between axes in the multi-axis coordinated action. The control information is sent in the form of instruction packet, which has stronger anti-interference ability than the traditional pulse control method and can effectively avoid the influence of large power equipment on the control system. All control functions are realized through network cable transmission to avoid the workload of troubleshooting caused by too many data lines; The upper computer control system can access or write the information it needs through THE RTEX bus in time, and the obtained information can also interact with or store with the factory management system, so as to facilitate the relevant personnel to timely understand the operation dynamics and production status of the equipment; The bus connection between the host computer and the servo motor driver can make each servo motor work better.

7. Programming software:

Windows platform display, suitable for the use of general staff habits, easy to operate; Processing program graphical display, processing products at a glance, reduce the possibility of processing error; Software compatible with G code programming, CAD programming and CNCKad programming, convenient for different operators of programming habits. With automatic parameter matching function: the upper computer control system can automatically adjust the motor parameters according to the processing plate size, plate thickness and processing technology requirements and other characteristics, make the corresponding adjustment of feeding speed, stamping speed, so that it can work in the optimal working condition.

With multi-axis linkage function:

X, Y, T three axis linkage,XYC three axis linkage, greatly improve the processing efficiency; In the process of processing, the processing speed can be adjusted at any time, increasing the flexibility of processing. With parameter backup and recovery function: after the debugging of the device, the parameter backup is saved. When the machine is abnormal, just one key to restore the backup, the machine can be restored to the debugging state.


With clamp scanning and protection functions:

When processing can automatically detect the clamp position, when the clamp position and programming specified clamp position does not match, the system will alarm prompt, do not execute the processing command, put an end to the danger of stamping clamp; A, B, C, D clamp protection zone can be set to avoid too large blind area. X, Y motion locking function: when the lifting platform falls down, for maintenance, mold change, manual operation,X, Y axis motion locking function automatically take effect, do not do movement, completely eliminate the personal injury caused by operation error.

With custom alarm function:

Additional protection can be added according to customer requirements. When the protection state is triggered, the machine stops moving and the corresponding protection trigger state is prompted. Under the condition of ensuring uniformity, the expansibility of the device is increased.

With roller bar, roller table, marking function:

Through the software control, the punch can run in a static state, through the plate movement, to achieve the roller bar, roller table, marking function.


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