First, the electrician must understand the type and function of the electrical wiring and electrical equipment in the workshop, and do not fully understand the function of the electrical equipment.
Second, the electrician shall check the equipments of the cable, motor, and electric console on a daily basis. The problems found in the inspection shall be promptly dealt with. When checking the temperature of the motor, first check that there is no electricity, and then test with the back of the hand.
Third, in addition to temporary construction of electricity or temporary measures taken, do not answer the temporary wire, do not agree to hang lights, instrumentation tools and welding machines and other applications of safe switches and sockets, the original electrical lines shall not be arbitrarily changed.
Fourth, according to the scheduled inspection and maintenance of electrical equipment on schedule, the need for complete removal of electrical equipment lines.
5. When the department is out of work, when a person with a distance of 0.9 meters or less from the inspection staff is used, dry wood rubber or insulating material shall be used as a reliable temporary cover.
6. When the equipment is repaired, pull down the switch and the knife. A warning sign “No contract, no work†must be hung on the switch and guillotine. On the covered fence of the live equipment and in the aisle where the passage is prohibited, it shall be hung. With warning signs of "stopping, high-pressure danger", warning signs for "should be here to work" should be affixed to the work place.
7. When using the ladder, the angle between the ladder and the scene should be 60 degrees. When using the ladder in the cement scene, there should be anti-skid measures and someone should support the ladder.
8. When any conductive department of the Caiwa Machinery was found to be grounded, except for the power source that had not been intercepted, no one was allowed to approach the room and 4 meters away from the nearby area, and 1.8 meters away from the room to avoid being damaged by the step voltage.
This classification including steel tube, usually they are used for contruction purpose, also some customer use them for car , billbord, stents, fence etc.
Jinan Xin Jiyuan is specialized in ERW and Seamless square&rectangular tube/pipe, hollow section structure pipe, and galvanized pipe in China. Annual output reaches 1.5 million tons. We have 2 production lines, could producte square pipe from 20*20*1mm to 600*600*35mm, rectangular pipe from 20*30*1.2mm to 600*800*35mm. Xin Jiyuan can manufacture square rectangular pipes as per the standards of ASTM A500, JIS G3466, EN10219, EN10210,DIN2240, BS1387, AS1163. Steel Grade: A500 GR.A/B/C/D, SS400, STKR490, S355JR, S275JO, S275J2, S355J0, S355J2, C350, C350 L0 ect.
We have three heat treament furance, two furnace of 100 mt, and one furnace of 300mt, that means we could finsih 500mt goods at the same time.
Steel Tube,Square Steel Tube,Seamless Steel Tube,Rectangular Steel Tube
JINAN XIN JIYUAN SPECIAL SECTION TUBE CO., LTD. , https://www.squarepipes.com