Electric Servo Press

What Is Electric Servo Press?

Electric servo press, also known as servo press, is a totally electric-driven environmentally friendly servo press machine. Ideal for precision assembly and press-fit, such as precision assembly automotive parts, press-fitting precision electric connectors.A electric servo press is a system that uses a linear actuator controlled by an ac or dc servo motor to deliver linear motion, similar to a press cylinder. Servo presses utilize ball or roller screws to offer precise control over speed, position, and force. This electric servo press machine runs more quietly and cleanly than the conventional hydraulic press and pneumatic press. At the same time, the electric servo press is 75~80% power consumption reduced.

Advantages of Electric Servo Press

High accuracy
Servo motor is used as a power source. The transmission mechanism is composed of a ball screw and a synchronous belt and is very simple and highly efficient. The repeat accuracy error is 0.01%.

Energy saving
The energy released during the deceleration phase of the working cycle can be converted into electric energy for reuse, thereby reducing operating costs.

Precise control
Electric servo press can realize precise control according to the set parameters. With the support of high-precision sensors, metering devices, and computer technology, it can greatly exceed the control accuracy that can be achieved by other control methods.

Improve the level of environmental protection
Due to the reduction of the energy used and the optimized performance of the electric drive, the pollution sources are reduced and the noise is reduced, which provides a better guarantee for the environmental protection work of the factory.

Reduce noise
The operating noise value of an electric servo press is less than 70 decibels and is about 2/3 of the noise value of a hydraulic press machine.

Cost saving
Electric servo press is exempt from the cost and trouble caused by the hydraulic control system because there is no hard pipe or hose required, and no need to cool the hydraulic oil.

H Frame Electric Servo Press

High precision: H frame electric servo press drives high-precision ball screw through servo motor to achieve precise position control of the pressure head. At the same time, a highly sensitive

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High Precision Servo Press

High precision servo press is also called SERVO press, high precision servo press Assembly machine, electronic press, its working principle is driven by servo motor high precision ball screw for

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C Frame Electric Servo Press

High precision: The C frame electric servo pres adopts servo control technology, which can accurately control pressure, displacement, and speed. The system accuracy is usually less than 1%, and the

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Servo Hydraulic Press Machine

A servo hydraulic press is a type of hydraulic press that combines electronic and hydraulic systems. It leverages the advantages of both, namely the high-pressure characteristics of hydraulic systems

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Hydraulic Servo Press

Hydraulic Servo Press is a precision press that combines servo motor technology and hydraulic transmission technology. It controls the operation of the hydraulic system through a servo system,

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Servo Hydraulic Press Machine

The core of the servo hydraulic press machine lies in the coordinated operation of the servo motor and hydraulic pump. The rotation of the servo motor is converted into the flow of hydraulic oil

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Servo Mechanical Press

Servo mechanical press utilizes servo motor drive to achieve precise control of mechanical motion through a precise control system. The high precision, high response speed, and programmability of

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Application of Electric Servo Press

01.

Metal stamping and forming

Electric servo presses are used for stamping, blanking, drawing, and forming operations in the automotive, aerospace, and appliance industries. They produce intricate metal components with high accuracy and repeatability.

02.

Plastic molding and injection

Electric servo presses facilitate plastic molding and injection processes, molding thermoplastic or thermosetting materials into precise shapes and configurations for consumer electronics, medical devices, and packaging.

03.

Assembly and joining

Electric servo presses are employed for assembling components, joining parts with fasteners, rivets, or adhesives, and crimping or clinching assemblies securely in industries such as electronics, furniture, and construction.

04.

Embossing and marking

Electric servo presses are utilized for embossing logos, serial numbers, or decorative patterns on various materials, adding branding or identification to products in the packaging, consumer goods, and promotional industries.

Components of Electric Servo Press

Servo motor: At the heart of a servo press system is the servo motor, a high-performance electric motor capable of precise speed and position control. Servo motors convert electrical energy into mechanical motion, driving the movement of the press ram with unparalleled accuracy.

Drive equipment: The servo motor is coupled with a sophisticated drive system, which regulates the motor's speed and torque output. The drive system precisely controls the press cycle by modulating voltage and current, enabling accuracy from acceleration and deceleration to dwell and return.

Control system: The control system is the brain of the servo press, orchestrating the operation of the servo motor and drive system. Advanced control algorithms monitor feedback signals, calculate optimal motor commands, and adjust parameters in real-time to maintain the desired press force, speed, and position throughout the press cycle.

Feedback devices: This feedback allows the control system to adjust motor output instantaneously, compensating for variations in material properties or process conditions and ensuring consistent performance.

Transmission equipment: Synchronous wheel structure, fine ball screw.

Pressure output: Pressure spindle.

Bearing sets: Ball bearings, self-lubricating bearings, etc.

Pressure sensor: External type, beautiful structure, no interference of electric wire.

Housing: Sheet metal spray paint.

How to Maintain Electric Servo Press

Checking the servo system
The servo system is the heart of a electric servo press, and it requires daily inspection to ensure its proper function. The servo drive and control board should be checked for any damage or foreign objects that may have lodged between the components. Additionally, the connection between the servo drive and motor should be tightened to avoid any loose connections that may affect the performance of the servo press.

Lubrication check
Proper lubrication is essential to maintain the smoothness and efficiency of electric servo press operations. Lubrication points such as bearings, bushings, and gear should always be lubricated to prevent any friction or binding that may affect the accuracy and efficiency of press operations. The grease gun should be checked for any blockages or leaks to ensure proper grease flow to all lubrication points.

Daily calibration
Daily calibration is essential to maintain the accuracy and repeatability of electric servo press operations. Calibration involves checking the accuracy of the encoder scale, pressure sensor, and displacement sensor to ensure they are reading accurately. Additionally, the spring balance should be checked to ensure it is properly adjusted to provide accurate force control during press operations.

Cleaning and maintenance
Regular cleaning and maintenance are essential to maintain the efficiency and longevity of electric servo press. The press should be cleaned regularly to remove any foreign objects or debris that may have accumulated on its surface or within its components. Components such as the linkage system and bearings should be cleaned and inspected regularly for any debris buildup that may affect their function.

How to Choose a Electric Servo Press

Pressure: The required pressure of the selected press-fitting product should be 10%-90% of the range of the servo press machine.

Opening daylight: It is the distance between the worktable and dies head/die platen. Usually, when we could have the data of your shut height requirement, we could judge if the daylight and stroke of the designed servo press are suitable for your application.

Press-fitting stroke: It refers to the distance that the die head/die platen moves from the top limited position to the bottom position. Please note that the servo press can perform full-scale press-fitting in the whole stroke, and there is no idle stroke without force, in order to improve the work efficiency, we don’t need to over-enlarge the stroke.

The effective worktable: The size should be enough for convenient mold installation and workpieces loading and unloading.

Mold installation mode: The mold is usually fixed at the upper and lower ends (usually the upper end uses the die head/die platen, and the lower table surface is machined with t-slot mode installation).

How the Electric Servo Press Works

Servo motor

Servo motor turns a ball screw through a synchronous belt drive. The ball screw transforms the rotary motion into linear motion that moves the ram.

Synchronous belt drive

The synchronous belt drive transfers torque from the motor to the ball screw. It provides a speed reduction which increases torque on the ball screw.

Balls screw actuator

The actuator houses the press ram, a ground ball screw, thrust bearings, and limit switches.

Integrated load cell

The load cell senses the pressing force. It is integrated into the end of the ram where the pressing tool is mounted.

Two-hands start

A two-hands start operator interface with a manual handwheel and emergency stop button is optional. It can include either conventional or optical switches.

What Are the Trends and Development Directions of Electric Servo Press in the Market

Growing demand from automotive sector

As the automobile industry recognises the advantages of the new technology, it is one of the key drivers of increased demand for servo presses. End-users have been forced to shift to servo presses by the advancement of high-strength steels and advanced materials, as well as the necessity of producing parts that meet shape and tolerance specifications in the automotive and other sectors, that are major factors fueling the digital servo press market.

Rising adoption of servo presses in the electrical and electronics sector

Consumer electronics manufacturers utilise high or low force presses depending on the application in the electrical and electronics industry. They’re mostly utilised to attach connectors with high-volume compliant pins to pcbs. In this business, the utilisation of servo presses is predicted to skyrocket. The electrical and electronics end use category is expected to grow at a high rate of value cagr, reaching a valuation of more than us$ 500 million by the end of the assessment year (2025). This category is predicted to contribute significantly to the overall market’s growth.

Our Factory

The company's headquarters is located in Longgang District, Shenzhen, with a factory area of over 10000 square meters. In 2014, Jiangxi Xintaiming Intelligent Technology Co., Ltd. was established as a production base with a self built factory of over 40000 square meters in Fuzhou High tech Zone, Jiangxi.

Our Certificate

We have 5 invention patents, 53 utility model patents, 3 appearance patents, and 20 software copyrights, and have been awarded the National High tech Enterprise Certificate, ISO9001 Quality Management System Certification, and ISO14001 Environmental Management System Certification. We have independent export qualifications.

FAQ

Q: What is the difference between a servo press and a hydraulic press?

A: The mechanical servo press offers versatility and higher production speeds... The hydraulic press does not generally achieve the high cycling speeds of a similar-sized mechanical press, but it does offer greater versatility with its variable stroke length, die space, and pressure.

Q: What is the difference between a servo press and a pneumatic press?

A: Pneumatic systems use electricity to compress air into energy, while Servo systems use electric motors for precise control.

Q: Is electric press better than hydraulic press?

A: Hydraulic press machines have a faster approach speed compared to electric press but have slower ram acceleration and deceleration into positioning because of the oil-powered motor. Hence, the Electric press has a quicker output as it has a higher bending speed.

Q: What is the purpose of a servo?

A: Servo motors or “servos”, as they are known, are electronic devices and rotary or linear actuators that rotate and push parts of a machine with precision. Servos are mainly used on angular or linear position and for specific velocity, and acceleration.

Q: What is the basic principle of servo?

A: The position sensor provide a feedback signal corresponding to the present position of the load. This sensor is normally a potentiometer that produces the voltage corresponding to the absolute angle of the motor shaft through gear mechanism.

Q: How do I choose a servo press?

A: Look for servo presses with advanced control features such as: Programmable Operation: Choose a servo press with the programmable operation, which enables precise control over parameters such as speed, force, and dwell time.

Q: How does a servo press work?

A: Servo Press is a press machine that uses a servomotor as the drive source, in applications where hydraulic presses are normally used. A hydraulic actuator must wait for the pressure to build until force is achieved, where as an electric actuator the force is generated instantaneously.

Q: What is digital servo press?

A: Servo press systems are more versatile and flexible than traditional mechanical presses, which have fixed stroke lengths and limited control over press speed and force. They typically use software-controlled servo motors and advanced motion control algorithms to precisely control the press speed, position, and force.

Q: What is the difference between H type and C type power press?

A: The main difference both these variants of Power Press Machine is that the C type Power Press Machine can apply a pressure power of 3 tonnes to 250 tonnes where as the H type Power Press Machine can apply a force ranging from 10 tonnes to 250 tonnes.

Q: What is the advantage of servo?

A: The precision of servo motors is one of their most significant advantages, making them indispensable in fields where accuracy is paramount. With advanced feedback systems that continuously adjust for positional accuracy, servo motors can achieve exceptional levels of precision.

Q: Is a servo motor AC or DC?

A: There are two types of servo motors, AC servos and DC servos. The main difference between the two motors is their source of power. AC servo motors rely on an electric outlet, rather than batteries like DC servo motors.

Q: What does a servo press do?

A: Servo presses not only make it possible to form materials conventionally considered difficult to process, but they also offer a number of other benefits including higher forming precision, higher productivity, greater noise reduction, and improved energy savings.

Q: What is the accuracy of the servo press?

A: Position & Force Control.Programmable electro-mechanical actuators ensure accuracy and positional repeatability to within +/- 0.0005” and force control to within +/- 0.5% or better.

Q: How do I know if my servo is working?

A: By observing the movement of the servo motor's shaft or rotor, measuring the voltage and current of the servo motor, and listening for any unusual noises or vibrations, you can quickly and easily determine if a servo motor is working properly.

Q: What is the difference between a servo press and a mechanical press?

A: Mechanical presses lead the pack in terms of raw speed and simplicity, making them more suitable for high-volume job requirements. Servo presses, however, offer much more programmability and flexibility making them a great option for applications that require control and adaptability.

Q: How many types of power presses are there?

A: The two forms of power presses are hydraulically and mechanically powered. The operating principles for power presses are mechanical, hydraulic, and servo motor. A mechanical power press changes circular motion into linear motion using a clutch, flywheel, crankshaft, and fixed and moving plungers.

Q: What is C type press?

A: A C-Type Power Press Machine is a type of mechanical press used in metalworking, manufacturing, and fabrication industries. These machines are designed for various tasks such as shearing, punching, bending, and forming of sheet metal and other materials.

Q: What to do if servo is not working?

A: Check connections: Make sure the connection between the servo and the board is correct. Check the Basic servo control tutorial for a circuit diagram example. Verify pin configuration: Confirm that you've connected the servo to the same pin referenced in the code.

Q: What is the advantage of a digital servo?

A: Digital Servos use a small microprocessor to receive and direct action at high-frequency voltage pulses. The digital servo sends nearly six times the amount of pulses an analog signal does. These faster pulses provide consistent torque for quicker and smoother response times.

Q: What is H press used for?

A: Hydraulic presses are commonly used for assembly and disassembly of tightly-fitting components. In manufacturing, they are used for forging, clinching, molding, blanking, punching, deep drawing, and metal forming operations. Hydraulic presses are also used for stretch forming, rubber pad forming, and powder compacting.

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