XQ-5700D Hair Pulling Test Machine
I. Application scope of the lever actuator opening and closing testing machine： 
The opening and closing testing machine is suitable for the opening and closing fatigue life tests of straightening rods, electric hair straightening rods and curling rods in the hairdressing industry. It features adjustable speed, setting of test times, and simultaneous testing at 4 stations. All these can be set and displayed on the microcomputer display screen. Once the test times are reached, the data is retained and the machine automatically saves it. This technology and testing scheme comply with current national standards, European and American standards.
II. Main parameters of the lifter opening and closing testing machine: 
1. Power supply voltage: 220V ± 10% 50Hz or as specified
2. Total count range: 0 - 9,999,9999 (settable by the microcomputer screen)
3. Travel range of the lower moving rod: (adjustable)
4. Height adjustment range for the upper rod: (Adjustable)
5. Speed adjustment range: Adjustable
6. Machine weight (approximate): 45 kg
7. Probes and Workstations: 4 groups (synchronous testing)
8. Counter; 1 main counter, 4 sub-counters (displayed on the micro-control screen)
9. Machine dimensions: Approximately 500*400*560mm
III. Advantages of the Laffer Device Opening and Closing Testing Machine: 
1.All the fixtures are made of aluminum, which is resistant to rust permanently. The pads are purchased as bakelite or plastic parts, and the clips are made of stainless steel sheets.
2. The speed can be adjusted infinitely. The micro-control screen provides a clear display of the test speed and the number of tests.
3. During the product testing process, the XY full-range T micro adjustment can be achieved for the entire machine.
4. The two guide rods are coated with hard chromium on their surfaces and are equipped with linear bearings on the outside, ensuring precise and flexible adjustment.
IV. Structure of the Lifter Opening Test Machine:
1.This testing machine adopts a box-type structure.
2. Surface coated with high-temperature resistant paint.
3. The transmission uses a precision speed-adjusting motor.
4. The fixtures are all made of aluminum, which is resistant to rust and will remain so for a long time. 
V. Operating Method of the Lifter Opening Test Machine: 
1. First, fix the product onto the lower tool.
2. Align the upper die press and the lower die press with the pressing test area.
3. Connect the machine to power, set the required parameters, and then start it for the test.
4. Once the set value is reached, the machinery will automatically shut down.
VI. Precautions for the Lifter Opening and Closing Testing Machine: 
1.Before conducting the test, please make sure that the power is connected correctly.
2. When installing the product, make sure that the bracket is not loose with any screws or similar issues. If any looseness is found, it must be tightened before conducting the test.
3. When the equipment is in operation, it is strictly prohibited to hold the test piece by hand.
4. The mechanical transmission parts must be maintained regularly and lubricating oil must be added at regular intervals.
5. After the test is completed, it is necessary to ensure that the power supply has been turned off.
6. It is strictly prohibited to use auxiliary corrosive liquids to clean the machine. Instead, rust preventive oil must be used.
7. This testing machine must be used exclusively by one person. The machine must not be knocked on or occupied by anyone.