working principle and operation manual of servo hydraulic press

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the Working principle

The servo hydraulic press works according to Pascal’s law, and is equipped with a high-performance servo motor driving gear pump for oil supply. Therefore, the output of the hydraulic servo system can automatically, quickly, and accurately follow the changes in input with displacement, speed, or pressure, making it a closed-loop hydraulic control system. It achieves higher pressure, flow, and displacement control compared to traditional hydraulic presses. They are typically used for applications such as precision assembly, metal forming, stamping, etc. Servo hydraulic presses are very popular in industrial manufacturing, because they are not only environmentally friendly but also able to meet more complex production processes.

operation manual

1. boot screen

Turn on the “System Startup” switch of the equipment, and the equipment and operating system are powered on. After the touch screen self-test is completed, it will automatically enter this screen.

Press “Click Into” in the screen, and the system will enter the “Operation Interface” screen.

2. monitor

Click the “Monitor” in the main menu to enter the interface shown above

1. The top column displays the real-time data of master cylinder position and pressure, mould name, driving speed, Beijing time and current authority.

2. The status bar at the bottom displays the current alertinformation and action information.

3. The mould adjustment mode can calibrate the height of the position ruler and adjust the height of the mould. The manual mode can manually control the rise or fall, and stop after releasing. Automatic mode completes a product travel action.

4. Start the motor first, select the mode and start the equipment. After the motor stops, it needs to wait for 3 seconds to restart, and the alarm needs to be reset and restarted.

3. master cylinder

Enter the “Master Cylinder” interface

1. This interface controls the device action parameters.

2. The parameters include “Pressure” (output pressure), “Speed” (equipment speed) and “Position” (conditions for completing the current action).

4. curve

Click “Curve” in the main menu to enter the interface above

The graph monitors the actual pressure change of the master cylinder.

5. production

production

Click “Production” in the main menu → submenu “Production” to enter the interface above

1. Full Automatic Cycle Interval Time: interval time of each pressing during fully automatic operation.

2. Automatic Cycle Time Limit: when the production time of the current product exceeds the automatic cycle limit, click the alarm.

3. Output Setting Number: number of products to be produced.

4. Number of Pressing Mould to be Produced: the number of pressing die to be produced.

5. Number of Produced Pressing Mould: the number of produced pressing die.

6. Produced Output: the number of products that have been produced.

SPC

Click “Production” in the main menu → submenu “SPC” to enter the interface above

This page displays the product parameters of each pressing product, such as product cycle or pressing end point.

Mold

Click “Production” in the main menu → submenu “Mould” to enter the interface above

1. Save mould parameters: After the mould parameters are configured, output the mould name in the “Mould Name Setting”. Click the storage drop-down bar, and then click to select a blank line. Click “Save” and “Confirm”.

2. Read in mould parameters: As shown in the figure, select the Line 0 Mould Parameters, and click “Read in”, thenclick “Confirm”. The corresponding mould parameters can be read in.

3. Delete mould parameters: Click the line of mould parameters to be deleted and click “Delete”. Click “Yes” to delete.

Parameter

Click “Production” in the main menu → submenu “Parameter” to enter the interface above

1. Mould parameter import:

Insert the USB flash disk with mould data, and click “Mould” in the main menu → submenu “Mould Data” → “Import from USB Flash Disk”. The page will display the mould number on the USB flash disk.

Click the corresponding “Loading” button, and the imported mould number will be displayed on the mould data page after successful import. If the set of mould parameters needs to be used, it can be read in directly according to the operation steps of die reading.

2. Mould parameter export:

Insert the USB flash disk and click to select the row of mould parameters to be exported. Click “Export to USB Flash Disk” and “Confirm”.

3. Export of complete machine parameters:

This function requires the authority to log in to the equipment supplier authority. After logging in, insert the USB flash disk. Enter the mould data page, and click the “Export Whole Machine Parameters”. After the prompt in the page indicates that the export is successful, it can pull out the USB flash disk.

4. Import of complete machine parameters:

Copy the parameters of the whole machine to be imported to the USB flash disk. Insert the USB flash disk and log in to the device vendor authorities. Enter the mould data page, and click “Import Whole Machine Parameters”. Click “Confirm” to enter the USB flash disk import page, and click the corresponding “Loading” button to upgrade.

Note: The host needs to be restarted after upgrading the parameters of the whole machine.

Attention: The whole machine parameters import file are divided into (IO file) .io, (mould data) .md, (system file) .sy.

6. alarm

Alert

Click “Alarm” in the main menu → submenu “Alert” to enter the interface above

View the current alert information on this page, and press the “Reset” key to reset.

record

Click “Alarm” in the main menu → submenu “Record” to enter the interface above

Alert records can be viewed on this page, and it can also delete or insert into USB flash disk for export.

7. alarm processing

The temperature of the electric box is too high	The ambient temperature of the controller is too high and needs to be cooled.
Emergency stop	The emergency stop button needs to be reset.
Over current protection	Check whether the line is over current.
Abnormal 24 volt power supply	Check whether the power supply fails and whether the power cord is connected properly.
Expansion board exception	Check whether the connecting circuit and expansion board are abnormal.
Abnormal servo	Detect servo and handle servo errors.
Not turning on the motor	Start the motor
Motor start wait	When the motor start protection time is exceeded, start the motor.
Oil filter blockage	Click the reset button to output the clear blockage signal and detect the oil filtering system.
Abnormal oil level	Check whether the oil level is normal.
Oil leakage alarm	Check for oil leakage.
The oil temperature is too low	Check whether the oil temperature is normal.
The oil temperature is too high	Check whether the oil temperature is normal.
Oil temperature disconnection	Check whether the oil temperature sensor and the circuit is normal.
The accuracy of magnetic grid ruler is not set	Set the accuracy of the magnetic grid ruler.
Magnetic grid ruler is not zeroed	Perform the zeroing operation.
Control oil pump overheating	Check whether the motor thermal protection circuit and oil pump are overheated.
Output reaches the set value	Clear the count or modify the output setting.
Return not in place	Return the hydraulic pad to the lower limit.
Return not in place	Return the master cylinder to the upper limit.
Periodic protection	When the whole production time is longer than the cycle limit, the production time is too long.
Front photoelectric protection	The front light curtain is blocked, or the front photoelectric protection is abnormal.
Rear photoelectric protection	The rear light curtain is blocked or the rear photoelectric protection is abnormal.
Robot zeroing not completed	Press the data origin key to perform the zeroing operation.
Abnormal warning of Manipulator	Press the reset key after the manipulator is zeroed.

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