1, strictly implement the provisions of various safety rules and regulations and operating procedures, observe the "six disciplines" of safety acoustic inspection, and get on the derrick basket at any time.
2. All construction electricity shall be subject to "three-phase four-wire system" and three-level safety protection system, so as to achieve one machine, one brake and one plane. It is forbidden for people who don't understand electrical appliances to connect wires and start machinery at will.
3. When new workers enter the site, they should carry out safety technology education, implement three-level teaching system (i.e. branch, project department and team), and firmly establish the safety idea of "safety first, prevention first". Electricians, welders, crane drivers, operators, scaffolders and other special personnel should be trained in special jobs and hold relevant certificates.
4. Earnestly implement the on-site fire safety responsibility system, and ensure that the three-level fire responsibility system (company, branch and project department), canteen dormitory and temporary facilities are equipped with two conventional fire extinguishers every 100 square meter. Establish the system of using naked fire, do a good job of examination and approval, bring "two certificates" (special operation certificate and hot work approval certificate) and one device (fire extinguisher) when working, and implement the hot work guardian.
5. Set up safety connection and safety protection shed along the plane position around the building. The roof should be laid in double layers. Set safety nets from the second floor, one for every fourth floor. At the same time, set up a safety net, with the increase of construction height. High outside and low inside. Support is set every 3 meters. The vertical net is higher than the building floor 1 meter. The joints between networks are tight, and the gap is not more than 10 cm.
6. (1): "Three treasures" refer to: safety helmet, safety belt and safety net. "Four entrances" refer to: safety entrances and exits, stairs, reserved holes, pits and elevator exits.
(b) Proper use of labor protection articles.
(c) At the entrance and exit of the construction site, there should be a slogan "Safety helmet must be worn when entering the construction site". Wear safety helmet according to the usage specification, fasten the hat belt, and do not throw it around, throw it around, use it as a cushion, and do not use a safety helmet with missing or damaged belt.
(d) Equipped with safety belts as required. When working at height, you must fasten your seat belt. When using it, hang it high and use it low, and hang it high on a solid and reliable object. After use, someone will be responsible for proper maintenance and regular inspection. If mildew, hardness, brittleness and fracture are found, they should be replaced in time.
(e) It is required to set up a safety net. The quality of the safety net must conform to the brand products recognized by the safety supervision station, and the safety net should have a qualified label. The number of construction layers of the net is greater than1.2m, and the connection between the nets is tight, and the gap is not greater than10cm.
(f) Pay attention to the "four-port" protection on site, and the protective bolts shall be made of red and white steel pipes.
(g) Stairs and platforms shall be equipped with solid temporary protective railings or fences.
(h) The reserved holes should have strict protective cover plates. Over 1.5m, two protective railings should be set around the hole, and a safety net should be hung on the hole.
(a) building entrances and exits, safe passage, close to the construction area, places and machinery and equipment that pose a threat to people or things, should set up a double-layer protective shed, which is wider than the same crossing and covered with double-layer protective feet.
(j) Hang safety signs at all entrances and exits.
(k) Balcony, floor, roof and other limb protection must be provided with two or more protective railings or a tightly closed high safety net.
(l) The temporary maintenance of the construction floor shall be carried out by using the infilled wall to build by laying bricks or stones to the windowsill for maintenance or double tie rod protection.
7. Installation and disassembly of derrick:
(a) The base of the derrick attached to the wall must be placed on a hard foundation, and the base must be firmly rolled with rolling piles, and the upper part of the rolling piles must be firmly connected with the derrick chassis.
(b) The derrick shall be rigidly supported and firmly connected with the building, and the wall column attached to the derrick shall not be attached to the scaffold.
(c) The mast of the derrick should be vertical and stable, the vertical deviation should not exceed one thousandth of the height, the joints should be staggered, there should be no more than two joints on the same plane, and the distance between the guide pulley of the derrick and the winch and the gentry drum should not exceed 20 times of the same length of the drum.
(d) The width of the derrick transport passage shall be no less than 1m, and the laying point shall be firm. Protective railings should be set on both sides of the passage, and safety doors or fences should be installed.
(e) Double isolation fences must be installed around the lower layer of the derrick and the manhole, and a safety net should be erected around the derrick.
(f) The derrick must have reliable lightning protection and grounding devices, and the hoist should be grounded separately, with a rain cover. Cranes should be started by inching.
(g) The derrick hanging basket must be provided with anti-falling devices, perforated stops and safety doors, and safety nets shall be set on both sides of the hanging basket, and the height of the safety net shall not exceed 1 m to prevent the trolley and other items from falling.
(h) Derrick hanging basket and each floor must have eye-catching signal devices or signs.
(1) It is forbidden to dismantle the horizontal brace, diagonal brace and diagonal brace of the derrick at will.
(j) To dismantle the derrick, the support of the next road should be reinforced first.
(k) Set up a warning zone through well construction and well demolition, and designate a special person to be responsible for it. Operators must wear safety belts.
On-site management:
1. Formulate on-site rules and regulations such as Civilized Construction and Safety Production Inspection System, Construction Site Reward and Punishment System, Dormitory Management System, Construction Site Public Security System, Fire Management Inspection System, and set up on-site civilized construction management team.
2, bricklayer, carpenter, steel worker, mechanic, electrician, scaffolder and other special types of work training related certificates.
3. The site is equipped with a first-aid kit and commonly used first-aid drugs, and heatstroke prevention drugs are distributed in summer.
4. There are two fire extinguishers in front of the on-site office, two fire extinguishers in the canteen, two fire extinguishers in the carpentry room, two fire extinguishers in each floor of the dormitory, two fire extinguishers in the warehouse, and two fire extinguishers in each operation floor of the construction site.
Special Scheme for Safe Construction (II)
The first section steel transportation and stacking safety requirements
1. When moving rebar manually, the steps should be consistent. When going up and down the bridge or turning, you should echo back and forth, and the pace should be steady and slow. Pay attention to the head and tail swing of the steel bar to prevent it from colliding with objects or people, especially to prevent it from colliding with the surrounding wires up and down. Greet each other during loading and unloading and pay attention to safety.
2, artificial vertical transmission of steel, the receiver should stand on a solid flat ground or temporary structures, the receiver should have protective railings or solid objects to prevent forward, hang up your seat belt when necessary.
3, mechanical vertical lifting steel bar, should be tied up, lifting point should be located at both ends of the steel beam. In case of difficulty, a lifting point should be set at the center of gravity of the reinforced beam, and the reinforced bar should rise steadily, and overweight lifting is not allowed.
4. When lifting steel bar or steel skeleton, it is forbidden to stand below. Only when the steel skeleton falls off the floor or the installation elevation is within 1m can people get close to the operation. After being put in place or supported, the hook can be unhooked.
5. The temporary stacking of steel bars should not be too concentrated, and the bearing capacity of formwork or bridge should be considered. It is forbidden to pile up steel bars before the concrete of newly poured floor slab has solidified to 1.2Mpa strength.
6, steel bar in transportation and storage, must keep the logo, and neatly stacked according to the batch, respectively, to avoid corrosion and pollution.
7. Pay attention to the reinforced bar don't touch the power supply, and don't get close to the high-voltage line. The safe distance between steel bars and power supply lines shall meet the requirements of Articles 8 and 9 in Section 4 of Chapter 1 of Part II "General Provisions".
In the second quarter steel production safety requirements
A, steel processing safety requirements
1, steel rust removal, the operator should wear protective glasses, masks, gloves and other protective equipment, and cuff tightly.
2, when using electric derusting, should first check whether the wire brush is loose, check whether the enclosed protective cover device, dust collection equipment and electrical equipment insulation and grounding are good, and so on and so forth, to prevent mechanical and electric shock accidents.
3. When feeding, the operator should operate sideways. Never stand in front of the rust remover. The derusting of long materials requires two people to operate, echo each other and cooperate closely.
4. When the round bar is unfolded, both ends should be fastened, and when cutting, you should first step on it with your feet to prevent the rebound from hurting people.
5, artificial straightening steel bar, should check all tools; The workbench should be firm, the anvil should be stable, the wooden handle of the hammer should be firm, the hammer should not be broken, and there should be no gaps. The hammer head that blooms due to impact should be replaced in time.
6, straightening steel bar, card head to card, ground anchor should be solid and firm, no pedestrians along the brace 2m area. Manually polish and straighten, don't touch the putter with your chest and abdomen, and keep the pace, slowly and steadily, and loosen it slowly, not once, so as not to rebound and hurt people.
7, manual cutting, tools must be strong. The operator who hammers and slaps the hammer should stand at an inclined angle and pay attention to people and things in the swinging area of the hammer.
8. Cutting steel bars shorter than 30cm should be clamped by pliers, and the handle of iron tongs should not be shorter than 50cm. Do not hold it by hand, and set a protective box outside.
9, bending steel bar, want to hold a wrench, gain a foothold, body balance, prevent steel bar broken or loose.
10, steel, semi-finished products, etc. Should be neatly stacked according to specifications and varieties, and the production site should be flat. The working platform should be stable, and the lighting must be covered with a net.
Second, the safety requirements of steel cold treatment
1. A protective baffle should be set before the cold-drawn male winding machine. If there is no baffle, the male winding machine should be 900 with the cold drawing direction, and a closed guide pulley should be used. When operating, you should stand behind the protective baffle, and people and vehicles are not allowed to pass through the cold drawing site.
2, cold-drawn steel bar to put away the fixture, and then leave after the boot signal. When sliding or other problems are found, stop the machine first, and then re-operate after the reinforcement is slack.
3. Cold-drawn and tensioned steel bars shall be carried out in strict accordance with the specified stress and elongation, and shall not be changed at will. Whether the reinforcement is stretched or relaxed, it should be slow and uniform. If the oil pump, jack and anchor card are abnormal, stop tensioning immediately.
4. When tensioning steel bars, protective baffles shall be set at both ends. After the steel bar is tensioned, it should be protected. It is forbidden to press or walk on heavy objects. When pouring concrete, it is necessary to prevent the vibrator from impacting the prestressed reinforcement.
5, jack feet must be aligned with the component, flat, measure the tensile length, wedge bolt should stop stretching, and stand on both sides of the operation, to prevent steel bar fracture, rebound cuts.
6. When the same component has prestressed and non-prestressed reinforcement, the prestressed reinforcement shall be tensioned twice, the first time to 70%~80% of the control stress, and then to the specified stress value after the non-prestressed reinforcement is bound.
7. When electric heating is used for tensioning, the electrical circuit must be installed by a licensed electrician, and the wire connection point should be wrapped and not exposed. When tensioning, the voltage shall not exceed the specified value.
8. When the electric heating tension reaches the tension stress value, the power supply should be cut off first, and then anchorage should be carried out. Insulating shoes and gloves should be worn for live working. In the process of cooling, it is forbidden to stand at both ends of the steel bar.
Three, steel welding safety requirements
1. Before work, the welder must check the electrical equipment, operating mechanism and cooling system, and check the shell for leakage with an electric pen.
2. The welder should be placed in a dry place indoors. The fuselage should be stable and firm, and flammable items are not allowed to be placed around it.
3. When operating, the operator should wear protective glasses, gloves and other protective articles and stand on the rubber board or wooden board. It is forbidden to sit on a metal chair.
4. Before welding, the voltage should be adjusted according to the cross section of the steel bar to adapt to the cross section of the welded steel bar. It is forbidden to weld steel bars exceeding the specified diameter of machinery. If the welding head is found to be leaking, it should be replaced immediately, and it is forbidden to use it.
5. Contacts and electrodes (steel heads) of circuit breakers of butt welding machines should be inspected and repaired regularly. Generally, use sandpaper to wipe the contact of circuit breaker once every 2 ~ 3 days, and file the electrode (steel head) regularly. All bolt joints of the secondary circuit should be tightened regularly to avoid overheating. Always pay attention to the temperature of cooling water should not exceed 400 degrees Celsius.
6, welding long steel bar, should set up a bracket.
7, just welded steel bar, should be placed straight, in order to avoid deformation in the process of cooling. () The stacking place shall not be close to flammable materials, and a place where no one enters or exits shall be selected or a protective fence shall be added.
8. The work shed should be built with fireproof materials. It is forbidden to pile up inflammable and explosive articles in the shed, and fire-fighting equipment is available.
The third quarter steel binding and installation safety requirements
1, when binding foundation reinforcement, steel corbel or horse stool shall be placed as stipulated in the construction design to set the upper reinforcement, and the corbel or horse stool shall not be arbitrarily reduced. Check whether the earth wall and support of the foundation pit are firm before operation.
2, binding column, wall reinforcement, shall not stand on the steel skeleton operation and climb up and down the skeleton. Column rebar is less than 4m, and its weight is not big. It can be tied to the ground or floor and erected as a whole. When the column rebar exceeds 4m, a workbench shall be erected. Columns, walls and beam skeletons shall be fixed with temporary supports to prevent toppling.
3, high binding and installation of steel bar, be careful not to concentrate the steel bar stacked on the template or scaffolding, especially the cantilever components, should check whether the support is firm.
4, should try to avoid trimming in high places, plate bending thick steel bar, when necessary, to hang up your seat belt, choose a good position, people should stand firm.
5. scaffolding and. In high places and deep pits, it must be erected when binding steel bars and installing skeletons. No operating platform should be equipped with seat belts.
6. When binding the ring beam, overhangs, external walls and side columns of high-rise buildings, scaffolding or safety nets should be erected, and the safety belts should be hung when binding.
7. When installing binding steel bars, the steel bars shall not collide with wires. When it is necessary to use mobile traveling lights for deep foundation or night construction, the voltage of traveling lights shall not exceed 36V.
The fourth quarter reinforced construction machinery use safety requirements
I. General safety requirements
1, steel processing machinery with motor, hydraulic power, hoist as auxiliary machinery, should be implemented in accordance with its relevant regulations.
2, mechanical installation must be strong, keep a horizontal position. Stationary machinery should have a reliable foundation, and mobile machinery should wedge the walking wheels when working.
3, outdoor work should be set up hangar, raw materials and semi-finished products should be piled up next to the machine.
4, processing long steel bar, should have someone to help, and listen to personnel command, shall not be arbitrarily push and pull.
5, electric machinery should be well grounded, the power cord is not allowed to be directly connected to the button, and a separate switch box should be set up.
6. After the operation, the finished products should be piled up. Clean up the site, cut off the power supply and lock the switch box.
Second, the steel bar straightening machine use safety requirements
1. The rack and chute shall be installed straight and aligned with the center lines of the guide cylinder, the straightening cylinder and the lower cutter hole. Objects are not allowed to be stacked in the machine to prevent mechanical vibration from slipping off the machine body and causing accidents.
2. Turn the flywheel by hand, check the transmission mechanism and working device, adjust the clearance, tighten the bolt, and start idling after it is confirmed to be normal; Check that the bearing should have no abnormal sound and the gears are well engaged. Only after the operation is normal can the operation be started.
3, according to the straightening steel bar diameter, choose the appropriate straightening block and transmission speed. After debugging, the material can be fed. Steel bars shorter than 2m or with a diameter greater than 9mm should be straightened at low speed.
4. Do not cover the cover until the calibration block is fixed. During operation, it is forbidden to open the protective cover of each part and adjust the gap.
5. Before feeding, the non-straight ends should be cut off, and a steel pipe with a length of 1m should be installed in front of the guide cylinder. The steel bar must first pass through the steel pipe and then be sent to the guide hole at the front end of the straightening.
6, when the steel bar into the drum, hand and drum must keep a certain distance, shall not be close to. Do not operate with gloves.
7, reinforced until the end, personnel must avoid, in case of steel shaking cuts.
8, work, should always pay attention to the temperature of the shaft, if the temperature rises more than 60 C, must stop to find out the reason.
9, homework, should loosen the straightening block back to its original position, at the same time preloading spring must return.
Three, steel bar cutting machine use safety requirements
1. The workbench for taking and delivering materials should be flush with the lower part of the tool, and the length of the workbench can be determined according to the length of the processed materials.
2, before starting, you must check whether the blade installation is correct, the tool should be no crack, tool rest bolt fastening, protective cover should be strong. Then turn the pulley by hand, check the gear meshing clearance, and adjust the tool clearance. The horizontal clearance between the fixed knife and the moving knife should be 0.5 ~1mm..
3, after the start, idle running first, check the transmission parts and bearings are working normally, before operation.
4. When the machine does not reach the normal speed, it is not allowed to cut materials. When cutting materials, you must use the middle and lower parts of the tool and hold the steel bar tightly. When the moving knife retreats, the steel bar should be sent to the blade to prevent the steel bar from swinging or popping up to hurt people.
5, shall not be shear diameter and strength beyond the provisions of the mechanical nameplate reinforcement and red-hot reinforcement. When cutting multiple steel bars at a time, the total cross-sectional area should be within the specified range.
6. When shearing low-alloy steel, the high-hardness tool should be replaced, and the diameter should be consistent with the nameplate.
7. When cutting short materials, the distance between the hand and the tool should be kept above 150 mm, and when the hand-held end is less than 400mm, the short end of the steel bar should be pressed or clamped tightly with a sleeve or fixture. When one end of the cutter is less than 300mm, it must be clamped with a clamp before cutting to prevent people from being hurt by pop-up.
8, cutting long steel bar to have someone to hold, action should be consistent when operating, shall not be arbitrarily drag.
9. When working, it is forbidden to directly remove short-headed steel bars and sundries near the cutter by hand. No one can stay around the steel bar swing and cutting machine.
10, found that the mechanical operation is not normal, there is abnormal noise or tool skew, etc. , and should immediately stop for maintenance.
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12, the cut steel bars should be neatly stacked to prevent the incision from protruding and cutting by mistake.
13. After the operation, remove the sundries between the cutters with a steel brush, and clean and maintain the whole machine.
Four, steel bending machine use safety requirements
1. The workbench and table of the bending machine should be level, and all kinds of mandrels and tools should be prepared.
2. According to the requirements of the diameter and bending radius of the processed steel bar, install the mandrel, forming shaft, retaining iron or variable retaining frame, and the diameter of the mandrel should be 2.5 times that of the steel bar.
3. Check that the mandrel, stop and turntable should be free of damage and cracks, and the protective cover should be fastened and reliable. After confirming that the idling operation is normal, the operation can be started.
4. When working, insert the bent end of the steel bar into the fixed pin of the turntable and press it by hand. Pay attention to the position and rotation direction of the steel bar in the plug, and don't drive in the wrong direction. Check whether the fixing pin of the fuselage is really installed on the side blocking the steel bar before starting the machine.
5. Bending long steel bars should be supported by special personnel and stand outside the bending direction of steel bars. They should cooperate with each other and not be held back. Turn around and bend over to prevent collision with people and things.
6. In the process of mechanical operation, it is forbidden to change the mandrel and pin shaft, change the angle and adjust the speed. The reversing, oiling and cleaning of the turntable must be carried out after stopping.
7. When bending steel bars, it is forbidden to exceed the diameter, quantity and mechanical speed of steel bars specified by this machine.
8. When bending high-strength or low-alloy steel bars, the maximum limit diameter should be converted according to the provisions of the mechanical nameplate, and the corresponding mandrel should be replaced.
9. It is forbidden to stand on the side of the fuselage with bent steel bars and no fixed pins. Bending semi-finished products should be neatly stacked, and the hook should not be upward.
10, master the operation of bending machine, and no gloves are allowed.
Five, steel cold drawing machine use safety requirements
1, according to the diameter of cold-drawn steel bar, reasonably select the winch, and the hoisting wire rope should pass through the closed guide pulley. The position of the winch must be such that the operator can see all the cold-drawn parts, and the distance from the center line of the cold-drawn parts should be not less than 5m.
2. There is a protective baffle in front of the cold-drawn hoist, and you should stand behind the protective baffle when operating. Without a baffle, the hoist should be at right angles to the cold drawing direction.
3. Protective railings and warning signs shall be installed in the warning zone outside the anchor at both ends of the cold-drawn site. Irrelevant personnel are strictly forbidden to stay here. When working, the operator must leave the steel bar at least 2 meters away.
4. The counterweight control equipment must match the pulley, and there are signs indicating the lifting. When there is no sign, there should be a special person to command. When lifting the counterweight frame, the height should be limited to 300mm from the ground, and there should be railings and warning signs around the counterweight frame.
5, before operation, should check the cold-drawn fixture, clamping teeth must be in good condition, pulley, trailer should be flexible lubrication, tractor, ground anchor and protective device should be complete and firm, after confirmation, before operation. All high quality or uneven steel should not be cold drawn.
6, hoist operators must see the commander's signal, and after waiting for all personnel to leave the danger zone, before operation. Cold drawing should be done slowly and evenly. Pay attention to the stop signal at any time or stop the traction immediately when someone enters the danger zone, and loosen the hoisting wire rope slightly.
7, where the elongation control device is installed, obvious limit signs must be installed, and there must be someone who is responsible for the command.
8. Lighting facilities for night work should be located outside the tension danger zone. If it must be installed above the site, its height should be more than 5m. The bulb should be protected by a protective cover, and the wires should be well insulated.
9, electrical equipment must be safe and reliable, wire insulation must be good, motor and starter shell must be grounded.
10, the setting of ground anchor and the calculation of tensile strength are determined by users.
1 1. After the operation, loosen the hoisting wire rope, put down the counterweight, cut off the power supply and lock the switch box.
Six, prestressed steel tensioning equipment use safety requirements
1. Steel formwork is used for tensioning, with ground anchors, fixing devices and anchors at both ends. Both ends of steel bars should be thickened, and protective railings and warning signs should be set at both ends of the site.
2, check the fixture, anchorage and upsetting at both ends of the steel bar, if there is any crack or damage, should be timely repair or replacement.
3. The groove of the fixture should be 0.7~ 1mm larger than the diameter of the steel bar, and ensure sufficient strength to prevent the anchorage from deforming.
4. No-load operation, correct the indicated tonnage of jack and pressure gauge, set the numbers on the table, and compare the tonnage and extension length required for tensioning steel bar. Check that there is no leakage in the oil circuit, and start operation only after it is confirmed to be normal.
5, homework, operation should be smooth, uniform, tension at both ends shall not stand. It is forbidden to disassemble any parts in the hydraulic system of the stretcher under pressure.
6, when measuring the elongation of steel bar or tighten the nut, should stop stretching, operators must stand on both sides of the operation.
7. When working with electric heating tension method, insulating rubber shoes and insulating gloves should be worn.
8, tensioning, are not allowed to touch or foot on steel or steel wire.
9. After the operation, cut off the power supply and lock the switch box. Remove all jacks and put the tensioning equipment in the designated place for maintenance.
Seven, cold heading machine use safety requirements
1, according to the steel bar diameter with the corresponding fixture.
2, before operation, should check the mold, center punch should be no crack, correct the concentricity of the upper and lower mold and center punch, tighten the bolt, completes the safety protection.
3. After starting the machine, run in idle mode first, adjust the tightness of the upper and lower dies, aim at the punching die for upsetting and proofreading, and then start the operation after it is confirmed to be normal.
4, the machine did not reach the normal speed, shall not be overturned. If the upsetting size is uneven, the clearance between the punch and the fixture should be adjusted in time, and the guide block of the punch should always be fully lubricated.
Eight, steel cold drawing machine use safety requirements
1, the cold drawing machine and the bearing frame should be kept horizontal, so that the spindle and roller shaft can rotate flexibly.
2. The transmission pulleys and gears must be equipped with protective covers, the front end of bevel gears should be equipped with protective nets, and the rear end of mechanical workbench should be equipped with baffles.
3. The cuffs of the operator's trouser legs are tied tightly, and the female workers should wear hats. Don't wear gloves when hanging conveyor belts (wear thick cloth gloves when holding steel bars).
4. Before operation, the sundries on the workbench should be cleaned, and there should be no obstacles on the ground and passages near the machine. Check whether all mechanical connectors are firm, whether there are cracks in the mold, whether the specifications of the rolling head and the mold match, check the bearing oil quantity, and inject lubricating oil into the roller shaft hole. Then start the host computer to run, and it can only be started after it is confirmed to be normal.
5. When cold-drawing steel bars, the cold-drawing diameter of each process shall be carried out according to the provisions of the mechanical manual, and the die hole shall not be excessively reduced. Without data, the aperture can be reduced by 0.5~ 1mm at a time. When the diameter of the cold-drawn die increases after wear, it should be replaced in time.
6. The head of steel bar shall be rolled down by a rolling machine (die), and the rolling hand shall leave the rolling head for 300~500mm, and the head shall be round. When rolling the head, one end of the steel bar should first pass through the mold with the length of 100~ 150mm, and then fasten it with a fixture.
7, homework, close the clutch, the operator should retreat to 0.5m away from the machine, hand and drum should keep a distance of 0.3~0.5m, and stand on the right side of the drum, it is forbidden to direct contact with steel bar and drum by hand.
8. Enough lubricant (dry powder mixed with lime and soapy water) should be added to the cold-drawn die set at any time. Before the steel bar passes through the cold-drawn die, it should be lubricated with a small amount of grease.
9, when the steel bar end through the cold drawing die, should immediately step on the foot brake (foot brake control is the same) to separate the clutch, at the same time, use hand brake to block the steel bar end or use tools to pin the steel bar end, in case of bouncing off and hurting people.
10. A "near-body stop device" should be installed in front of the workbench, so that when the operator falls in the direction of the workbench, the collision device will stop immediately to reduce the severity of the accident.
1 1. Pay attention to whether the motor runs normally, whether there is noise or overheating, etc.
12, in the process of mechanical cold-drawing operation, always pay attention to the running situation between the pay-off stand, the roll stand and the drum, and immediately stop the machine for repair if it is normal.