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Helmet impact resistance piercing machine instructions
Safety helmet impact resistance puncture tester operation steps are as follows: a. Safety helmet impact resistance puncture tester test preparation work: 1, the pretreatment temperature treatment: the helmet on 50 ℃ & plusmn; 2℃、- 10℃± 2 ℃ or - 20℃± 2 ℃ temperature control box placed 3 h. 2, ultraviolet irradiation pretreatment: use A standard in the first, and A helmet on the ultraviolet light irradiation in 400 h & plusmn; After 4 h, take out in a laboratory environment, put 4 h. 3, immersion treatment: put a helmet on temperature is 20 ℃ & plusmn; 2 ℃ fresh tap water tank, completely soaked for 3 h. 4, according to the safety helmet worn height to choose the appropriate headform ( Pay attention to in the replacement head must shut off the power switch) ; Normal wear safety helmet on head, ensure the cap band contact with the head of natural wear state and stable. Second, helmet impact resistance puncture tester shock absorption performance operation step 1, open the power switch of the instrument. 2, will be prepared a safety helmet, wear a head model, the door is closed test. Then click & other; Reset & throughout; Button to remove system zero value. 3, press & other; And off & throughout; Key, electromagnetic suction device work, put the drop hammer impact on plane electromagnetic device under the plane, is sucked impact hammer. 4, with a height of test impact hammer scale the distance from the bottom to crown, if did not meet the requirements of 1000 mm distance, through panel & other Rose & ndash; Stop & ndash; Drop & throughout; Twist the switch fine-tuning height, make it satisfy the requirement of the standard height. ( The distance between the height of drop hammer test rod telescopic rod up and down to 1000 mm) 5, press & other; Release & throughout; Key, electromagnetic suction device to stop working, the impact hammer quickly free fall on the top of the helmet, at the same time, the impact value shows and latches. Foot switch = off, can also be hand hammer, stepping on the pedal switch on and off the action! 6, record the impact as the numerical value display helmet impact resistance value, the door is open the test, take out the helmets and the impact hammer. 7, a test is completed, if you want to continue to repeat steps 2 to 6 for the next test. If you don't need to continue to test, please close the instrument power supply in a timely manner. Third, helmet impact resistance stab piercing machine durability performance operation step 1, open the power switch of the instrument. 2, will be prepared a safety helmet, wear a head model, the door is closed test. 3, press & other; And off & throughout; Key, electromagnetic suction device working, the puncture of drop hammer surface on the electromagnetic device under the plane, the puncture is sucked drop. 4, with the height of drop hammer test scale test puncture of the distance from the bottom to crown of drop hammer, if did not meet the requirements of 1000 mm distance, through panel & other Rose & ndash; Stop & ndash; Drop & throughout; Twist the switch fine-tuning height, make it satisfy the requirement of the standard height. ( The height of drop hammer test scale up and down the distance between the telescopic rod is 1000 mm) 5, press & other; Release & throughout; Buttons, electromagnetic suction device stops working, piercing drop quickly free fall on the top of the helmet, if the helmet is piercing drop penetration, the alarms drops of alarm, at the same time, the penetration on the operation panel light is lit up. 6, record test results, the door is open the test, remove the safety helmet and puncture drop hammer, a test is completed, if you want to continue to repeat 2 ~ 5 steps to test next time. If you don't need to continue to test, please close the instrument power supply in a timely manner. Above is the city jester testing equipment company brief GX - for you 7001 helmet impact resistance puncture tester instructions content knowledge. Thank you for your reading.
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