+86-158-9507-5134
info@shenchong.com
EN
CNC sheet metal plate punching machine is a stamping or punch press, and stamping production is mainly for plates. By using molds, blanking, punching, forming, drawing, trimming, fine punching, shaping, riveting and extrusion can be made.
Sheet metal punching machines are widely used in stamping and forming of electronics, communications, computers, household appliances, furniture, transportation, (cars, motorcycles, bicycles) hardware parts, etc.
The sheet metal mechanical punching machine uses the compressed air provided by the compressed air pump to enter the cylinder through the solenoid valve, driving the piston to the spindle to make the spindle move downward. Thus, the impact force is formed, so that the workpiece produces the specified deformation in the mold to achieve the purpose of processing.
Basic elements of mechanical flywheel punch press machine: stamping power, male mold, female mold and raw materials of the product. The machine tool drives the opening and closing of the male mold and the female mold under the action of the stamping power to cut, punch, stretch and other shaping processes between the raw materials is the operating principle of the punching machine.
JE23 mechanical eccentric punching machinery adopts pneumatic clutch and stroke adjustment. It adopts one-piece special cast iron alloy with good rigidity and strong shock resistance.
The slider adopts long lead design and is equipped with a slider balancing device to ensure accurate and stable operation. It can meet any automated production requirements. Improve production efficiency and reduce costs.
The machine uses two slider balancers to ensure that the machine remains balanced. The transmission center tends to be consistent with the overall center of the machine to ensure accurate and stable stamping.
The friction parts such as crankshafts, gears, gear shafts, etc. are ground after quenching heat treatment. It has extremely high wear resistance and balance, and stable performance.
The J23 tilting punch press bed can be tilted at a certain angle to facilitate the stamping of finished products or waste materials to slide down from the mold. Single or continuous stamping can be achieved through the electronically controlled press operating mechanism. With the automatic feeding mechanism, semi-automatic continuous stamping can be achieved.
The machine has a novel shape. Compact structure. Good rigidity. Easy to use. Safe and reliable operation. Suitable for various cold pressing processes.
J21S Deep Throat Punching Machine has low cost. Small space occupation. Simple setup. Easy to start and operate.
The deeper throat design allows for better one-time processing of workpieces and ensures the accuracy of the punching spacing.
The mechanical deep throat punch press is equipped with a CNC feeding table, which is designed to better process workpieces in one go and ensure the accuracy of the punching hole spacing.
The mechanical deep throat punching machine has a compact structure. Stable performance. Less oil pollution. Low maintenance rate. Easy to automate. It is also equipped with a CNC feeding table to improve work efficiency, save labor costs, and make work more convenient and quick.
The open fixed table has a compact structure. Beautiful appearance and good rigidity. The key-type rigid clutch is sensitive and reliable. Products above 100T use a double key structure.
The open fixed table press can effectively overcome the rebound during punching. The crankshaft is placed horizontally, with a simple structure and convenient adjustment and maintenance. The collapse safety device prevents damage to the machine tool due to overload.
Products above 125T use rectangular six-sided guide rails with high guiding accuracy. Products above 80T use a slider balancing device to improve the stability and movement accuracy of the machine tool. The die height above 200T is electrically adjusted, with digital display, and the adjustment is convenient and accurate.
Pneumatic punching machine provides spacious working space and is widely used in precision processing and automated production.
The machine body is welded with steel plates, and the internal stress is relieved, so the rigidity is good. The crankshaft is placed vertically. The structure is compact. The appearance is beautiful.
The rectangular hexahedron has an extended guide rail with high guiding accuracy. Combined pneumatic friction clutch and brake. The combination is smooth. Low noise.
The body of JH21 pneumatic punch press machine is welded with steel plate and has an integral frame structure. It has good rigidity and small deformation. The dynamic precision of the machine tool is high. It adopts hydraulic overload protection device. It adopts rigid fuse protection device to prevent damage to the machine tool caused by overload.
The circuit is controlled by PLC. The air circuit adopts a safe double valve. It is sensitive in action. It is safe and reliable. It has single, inch, continuous and other operating specifications.
It meets the safety standards of punching machines. The slider adopts a pneumatic balancing device to improve the stability and movement accuracy of the machine tool. It adopts timed, fixed-point and quantitative automatic concentrated oil lubrication. The lubrication is sufficient, uniform and reliable. Products above 60T use electric mold adjustment and digital display. Automatic feeding device, photoelectric protection device, air cushion, etc. are optional.
The closed frame has small deformation and is suitable for precision progressive die processing.
Larger workbench will be more suitable for progressive die production. The double crankshaft reverse drive and anti-deviation load guide rail improve the anti-deviation ability of the press.
The slider adopts a four-corner eight-sided long guide rail with good guidance and high precision.
The press adopts a large torque wet friction clutch, which runs smoothly, has low noise, long life, and is safe and reliable.
Electric mold adjustment, with a reading accuracy of up to 0.1mm. It adopts centralized lubrication and has a cycle indication device. The press can be equipped with various types of automated peripheral equipment to greatly improve production efficiency. Highly safe and multifunctional electronic control system.
The hydraulic punch press is currently a fully automatic and intelligent servo electro-hydraulic composite press in the stamping equipment industry. Compared with traditional punch presses and injection molding machines, it has greatly improved in terms of mechanical structure, control system and function.
The metal sheet hydraulic punch press adopts the self-developed dual-cycle servo system control method. It is highly humanized, fully automated, intelligent and powerful.
The main body of the hydraulic punch press is a closed guide rail frame, including a beam, a column and a base, which is fixed by four tensile screws.
The body is made of high-quality heavy steel to ensure high rigidity and minimal deformation, providing excellent parallelism and verticality.
This structure is the most accurately processed among the hydraulic press frame types, and is designed for high-strength, high-speed and stable processing.
- The tonnage range is from 10 tons to 8,000 tons.
- The worktable area, stroke, tonnage, speed and pressure can be customized.
- Excellent parallelism and verticality.
- The noise of the servo hydraulic punch press is 80% smaller than that of the mechanical punch press.
- The hydraulic system and oil tank of the machine are placed on the top of the machine, saving space.
- The sheet metal hydraulic punching machine system is a single pump, open type, series system. The reversing valve series combination is adopted, so that not only the actions of each mechanism can be carried out independently. Moreover, during light load operation, the lifting and rotation compound actions can be realized to improve work efficiency.
- The hydraulic sheet metal punching machine system adopts a balancing circuit, a locking circuit and a braking circuit to ensure the reliable operation and safe operation of the crane.
- The three-position four-way manual reversing valve is used for reversing. Not only can the reversing action be controlled flexibly and conveniently, but the flow rate can also be controlled by the handle operation to realize throttling speed regulation. In the lifting work, this throttling speed regulation method is combined with the method of controlling the engine speed to realize the micro-speed action of each working part.
- Each three-position four-way manual reversing valve adopts the M-type middle position function, so that the system can be unloaded when the reversing valve is in the middle position. It can reduce the power loss of the system and is suitable for intermittent work of the crane.
- The hydraulic punching machine adopts a one-way variable hydraulic pump to supply oil to the system, with small energy loss.
- Use the reversing valve to control the chuck to realize the conversion between high-pressure and low-pressure clamping, and adjust the size of high-pressure clamping or low-pressure clamping pressure respectively. In this way, the clamping force can be adjusted according to the working conditions, and the operation is convenient and simple.
- The hydraulic punch uses a hydraulic motor to realize the rotation of the tool holder, which can achieve stepless speed regulation and control the forward and reverse rotation of the tool holder.
- Use the reversing valve to control the reversing of the tailstock sleeve hydraulic cylinder to realize the extension or retraction of the sleeve, and can adjust the preload force of the tailstock sleeve when it is extended to meet different needs.
Sheet metal plate CNC punching machine is an automated machine tool equipped with a program control system. The control system can logically process programs specified by control codes or other symbolic instructions, and decode them to enable the punching machine to move and process parts.
CNC metal plate punching machines can be used for processing various types of metal sheet parts, and can automatically complete a variety of complex hole types and shallow drawing forming processes at one time. CNC sheet metal punching machines can automatically process holes of different shapes and sizes and hole spacings as required. Small punching dies can also be used to punch large round holes, square holes, waist-shaped holes and various shapes of curved contours in a step-punching manner. Special processes can also be performed, such as shutters, shallow drawing, countersunk holes, flanging holes, reinforcing ribs, embossing, etc.).
Compared to traditional stamping, CNC servo punching saves a lot of mold costs, and can use low cost and short cycle to process small batches and diversified products. It has a large processing range and processing capacity, so as to adapt to market and product changes in a timely manner.
The core of CNC punching machine is CNC system. It converts design drawings into machine-readable instructions through CNC programming, and controls the actuator of punching machine to perform processing operations.
It mainly includes the following steps:
First, the designer uses CAD software to draw processing drawings, and then generates CNC programs through CAM software. These programs contain detailed information such as processing path, tool selection, processing sequence, etc.
The generated CNC program is transmitted to the CNC system of the punching machine, usually through USB, Ethernet or other data transmission methods.
The CNC system controls the actuator of the punching machine to perform processing operations according to program instructions. It mainly includes the movement of X and Y axes, and the up and down movement of the punch.
During the processing process, the CNC system will monitor the processing situation in real time, detect whether there are errors, and make necessary corrections to ensure processing accuracy.
X-axis: servo drive axis that moves the workpiece perpendicular to the length of the bed
Y-axis: servo drive axis that moves the workpiece parallel to the length of the bed
A-axis: rotary axis for selecting molds in the rotating turret tool library
C-axis: rotary axis for automatic mold indexing, which can rotate the mold at any angle
Single punching: punching is completed in a single time, including straight line distribution, arc distribution, circumferential distribution, and grid hole punching.
Continuous punching in the same direction: using a rectangular mold to partially overlap processing, it can process long holes, trimming, etc.
Continuous punching in multiple directions: a processing method for processing large holes using small molds.
Cannibalization: a processing method for continuously punching arcs using a small round mold with a smaller step distance.
Single forming: a processing method for shallow stretching according to the mold shape.
Continuous forming: a forming processing method that forms a larger size than the mold size, such as large-size blinds, rolling ribs, rolling steps, etc.
Array forming: A processing method in which multiple identical or different workpieces are processed on a large plate.
According to different standards, CNC punch presses can be divided into many types, mainly including the following:
Classification by drive mode: hydraulic, mechanical, pneumatic and servo CNC punch presses. Among them, servo CNC punch presses have developed rapidly in recent years due to their high precision, high efficiency, environmental protection and energy saving.
Classification by processing method: single-station CNC punch presses and multi-station CNC punch presses. Single-station CNC punch presses are suitable for small and medium-sized batch production, while multi-station CNC punch presses are suitable for large-scale production and have a high degree of automation.
Classification by structural form: gantry and C-type CNC punch presses. Gantry CNC punch presses have good rigidity and strong load-bearing capacity, and are suitable for processing large-sized plates. C-type CNC punch presses have compact structure and small footprint, and are suitable for processing small and medium-sized plates.
Click here to know more about other cnc press machine:
CNC Turret Punch Press for sale
Hydraulic Ironworker Punch and Shear Machine for sale
The operation and monitoring of CNC punching machine are all completed in this CNC unit. Compared with ordinary punching machine, CNC sheet metal punching machine has the following characteristics:
- High processing precision: stable processing quality.
- Large processing area: 1.5m*5m processing area can be completed at one time.
- Can carry out multi-coordinate linkage, can process parts with complex shapes, can do shearing and forming, etc.
- When the processing parts are changed, generally only the CNC program needs to be changed, which can save production preparation time.
- The metal plate punching machine itself has high precision and high rigidity, can choose favorable processing dosage, and has high productivity.
- The punching machine has a high degree of automation, which can reduce labor intensity.
- Simple operation, with a certain basic computer knowledge training of 2-3 days, you can get started.
Compared with traditional manual punching machines, CNC punching machines have the following significant advantages:
Through precise CNC systems and high-precision transmission mechanisms, CNC punching machines can achieve micron-level processing accuracy and meet high-demand processing requirements.
CNC punching machines can automatically complete programming and processing, greatly improving production efficiency. In particular, multi-station CNC punching machines can complete multiple processes in one clamping, further improving processing efficiency.
CNC punching machines are suitable for production needs of multiple varieties and small batches. By modifying the CNC program, the processed products can be quickly switched, reducing mold change time and cost.
CNC punching machines can cooperate with automatic loading and unloading devices and robots to achieve fully automated production, reduce manual intervention, and improve production efficiency.
CNC punching machines are equipped with a variety of safety protection devices, such as overload protection, emergency stop devices, etc., which can effectively protect the safety of operators.
Due to their high precision, high efficiency and flexibility, CNC punch presses are widely used in many fields, mainly including:
CNC punch presses are used for stamping of automobile parts, such as body sheet metal parts, chassis parts, etc. Through high-precision processing, the dimensional accuracy and consistency of parts are guaranteed.
The aerospace field has extremely high requirements for the processing accuracy of parts. CNC punch presses can meet its strict processing requirements and are used for the manufacture of wings, fuselages and other parts.
CNC punch presses are used for the processing of parts such as electronic product shells and radiators. Through precision processing, the quality and reliability of the product are improved.
The home appliance industry requires a large amount of metal sheet processing, such as refrigerators, washing machines, air conditioners and other shells. CNC punch presses can efficiently complete these processing tasks and improve production efficiency.
CNC punch presses are used for the processing of building decoration materials, such as metal curtain walls, ceilings, guardrails, etc. Through a variety of processing techniques, rich decorative effects are achieved.
With the continuous advancement of science and technology, CNC punching machines are also developing continuously, and the following development trends will be presented in the future:
Intelligence is the development direction of CNC punching machines in the future. By introducing technologies such as artificial intelligence and the Internet of Things, the self-diagnosis, self-adjustment and self-optimization of equipment can be realized to improve production efficiency and product quality.
With the continuous improvement of processing accuracy requirements, CNC punching machines will further improve their processing accuracy. By optimizing the transmission mechanism and improving the precision control of the CNC system, higher processing accuracy can be achieved.
In the future, CNC metal punching machines will pay more attention to efficiency, improve processing efficiency and reduce production cycles through multi-station and multi-functional integration.
- Environmental protection and energy saving
Environmental protection and energy saving are important directions of modern manufacturing. CNC punching machines will adopt more environmentally friendly drive methods and energy-saving technologies to reduce energy consumption and environmental pollution.
In the future, sheet metal plate CNC punching machines will develop towards multifunctionality, integrating multiple functions such as punching, cutting, and bending to improve the utilization rate and flexibility of equipment.
