Operating procedures for rebar straightening machine, operating procedures for rebar straightening m

1) Thin wire: Find a wooden stick or iron rod, put it in one place, then find two pliers, and pull the wire around the wooden stick and pull it back and forth at both ends with pliers a few times.

2) Thick steel bar: generally take the power car straightening method, fix a certain point at a certain place, fix one end of the steel bar to the fixed point, and the other end is fixed on the power car, start the car, and rely on traction to straighten.

Cold-drawn steel bar uses:

Cold-drawn low-carbon steel wire is divided into two levels, A and B according to mechanical properties, Class A steel wire is mainly used for small prestressed components, and Class B steel wire is used for welding or binding skeleton, mesh or stirrups.

Hot rolled steel bar uses:

Hot-rolled steel bars are finished steel bars formed by hot rolling and naturally cooled, which are pressed by low carbon steel and ordinary alloy steel at high temperatures, mainly used for the reinforcement of reinforced concrete and prestressed concrete structures, and are one of the most widely used steel varieties in civil engineering and construction projects.

Operating procedures for steel bar straightening machine》 1. According to the diameter of the straightened steel bar, select the appropriate straightening block, pulling wheel groove and transmission speed. The aperture of the straightening block should be 2 5mm larger than the diameter of the steel bar, and the width of the traction pulley groove is the same as the diameter of the straightened steel bar. Second, the adjustment of the straightening block.

There are five straightening blocks in the general straightening cylinder, the second straightening block must be placed on the middle line, and the middle three can deviate from the center line. First, the offset of the steel bar is about 3mm, and after trial adjustment, if the steel bar is still slow bending, gradually increase the offset until it is straightened. 3. Cut-off.

After three or four steel bars, it is necessary to stop the machine to check whether the length is appropriate, if there is a deviation, you can adjust the limit switch or fixed length plate until it is suitable. Fourth, a steel bar of about 1 meter should be installed in the front part of the guide pipe. The straightened steel bar should first pass through the steel pipe, and then penetrate into the guide barrel and straightening cylinder to prevent each plate of steel bar from popping out and injuring people when it is close to the straightening completion.

5. Before the straightening block is not fixed and the protective cover is not covered, the steel bar shall not be penetrated to prevent the straightening block from flying out and injuring people after starting the machine. 6. Objects are not allowed to be stacked mechanically to prevent mechanical vibrating objects from falling into the body. The steel bar is loaded into the roller, the hand and the drum should be kept at a certain distance, the drum shall not be adjusted during the operation of the machine, and it is strictly forbidden to wear gloves to operate.

7. When the steel bar is adjusted to the wrong end, the personnel must avoid it to prevent it from shaking and injuring people. Rebar straightening that is shorter than 2m or more than 9mm in diameter should be processed at low speed.

1. The material rack and trough should be installed straight, and the center of the guide cylinder and the lower cutting hole should be aligned.

2. Rotate the flywheel by hand, check the transmission mechanism and working device, adjust the clearance, tighten the bolts, start the dry operation, and confirm the normal operation before operation.

3. You Sui should be straightened according to the diameter of the straightened steel bar, and the appropriate straightening block and transmission speed should be selected. The aperture of the straightening block should be 2-5mm larger than the diameter of the steel bar, and the material can be fed only after passing the commissioning.

4. The straightening block is not fixed, and the protective cover is not covered before it is not fed. It is strictly forbidden to open the protective cover and adjust the gap during the operation.

5. When the steel bar is fed, the hand should keep a certain distance from the drag wheel and should not be approached.

6. Before feeding, the end of the steel bar that is not straight should be cut off, and a 1m long steel pipe should be installed in front of the guide tube. The rebar should first pass through the steel pipe and then feed into the pilot hole at the front end of the straightening.

7. If there is a slow bending of the straightened steel bar, the offset of the straightening block can be increased until it is straightened.

1. The material rack and trough should be installed straight, and the center line of the guide cylinder, straightening cylinder and lower cutter hole should be aligned.

2. Apply hand rotation of the flywheel, check the transmission mechanism and working device, adjust the clearance, tighten the bolts, confirm that it is normal, start the idle operation, and check that the bearing has no abnormal noise, the gear mesh is good, and the operation can only be carried out after the operation is normal.

3. According to the diameter of the straightened steel bar, the appropriate straightening block and rotation speed should be selected. The aperture of the straightening block should be 2 5mm larger than the diameter of the steel bar, and the transmission speed should be selected according to the diameter of the steel bar.

4. Do not feed before the straightening block is fixed and the protective cover is not covered. It is strictly forbidden to open the protective cover of each part and adjust the gap in the opening of the shed.

5. When the steel bar is fed, the hand should keep a certain distance from the drag wheel and should not be approached.

6. Before feeding, the end of the steel bar that is not straight should be cut off. A 1m long steel pipe should be installed in front of the guide barrel, and the steel bar should pass through the steel pipe and then be sent into the guide hole at the front end of the straightening.

7. If there is still slow bending of the straightened steel bar, the offset of the straightening block can be gradually increased until it is straightened.

After cutting 3 or 4 steel bars, the machine should be stopped to check its length, and when the allowable deviation of the source is exceeded, the limit switch or fixed length plate should be adjusted.

1. The equipment must be in charge of a special person and hold a certificate.

2. The operator is not allowed to leave the machine too far during the operation, and the machine must be stopped when the upper plate, wire threading, and lead are cut off.

3. In the process of straightening the steel bar, when the steel bar jumps out of the tray guide trough, the fixed length mechanism cannot be pushed up, and the messy wire or steel bar is off the frame, the limit switch should be pressed in time to stop cutting off the steel bar, and it will be used only after adjustment.

4. When each plate of steel bars is adjusted to the end or straightened short steel bars, the casing should be held to escort the steel bars to the guide and straightening cylinder, so as to avoid injury accidents when they are free to shake.

5. Before the straightening die is not fixed and the protective cover is not covered, it is not allowed to penetrate the steel bar to prevent the straightening die from flying out and hurting people after starting the machine.

6. During the operation of the machinery, the drum shall not be adjusted, it is strictly forbidden to operate with gloves, and it is strictly forbidden to carry out maintenance operations during the operation of the machinery.

7. The steel bars that have been straightened and cut off should be divided into small bundles according to the specifications and the number of them and stacked neatly, and they are not allowed to be piled up indiscriminately, so as to prevent quality accidents caused by different steel bar composition and performance, and the power supply must be cut off after the operation is completed.

8. Strictly implement the "cross operation policy" to ensure that the machinery is in good working condition.

Summary. 1. According to the diameter of the steel bar of the straightening machine, select the appropriate straightening block, pulling wheel groove and transmission speed. The aperture of the straightening block should be 2 5mm larger than the diameter of the steel bar, and the width of the traction wheel groove should be the same as the diameter of the straightened steel bar.

Second, the adjustment of the straightening block. There are five straightening blocks in the usual straightening cylinder, the second straightening block must be placed on the central line, and three can deviate from the line. First, the offset of the steel bar is at the mercy of 3mm, and through trial adjustment, if the steel bar is still slow bending, gradually increase the offset until the straightening stops.

3. Interception. After three or four steel bars, it is necessary to stop the machine to see if the length is appropriate, if there is an error, you can adjust the limit switch or the fixed length plate until the appropriate stop.

Fourth, a 1-meter steel bar should be installed at the front of the guide pipe. The straightened steel bar should first pass through the steel pipe, and then penetrate into the guide barrel and straightening cylinder to avoid the ejection and injury of each steel bar near the end of straightening.

5. Before the straightening block is not fixed and the protective cover is not covered, the steel bar shall not be penetrated to avoid flying out and injuring people after the machine is started.

6. Objects are not allowed to be stacked mechanically to avoid mechanical vibration objects falling into the body. The steel bar is loaded into the roller, the hand and the drum should adhere to a certain interval, the drum shall not be adjusted during the machine work, and it is forbidden to wear gloves to operate.

How to use the rebar straightening machine?

1. According to the diameter of the steel bar of the straightening machine, the appropriate straightening block, pulling wheel groove and transmission speed are selected. The aperture of the straightening block should be 2 5mm larger than the diameter of the reinforcing bar, and the width of the traction pulley groove is the same as the diameter of the straightened reinforcing bar.

Second, the adjustment of the straightening block. There are five straightening blocks in the usual straightening cylinder, the second straightening block must be placed on the central line, and three can deviate from the line. First make the offset of the steel bar by 3mm, and through the test adjustment, if the steel bar still has slow bending, gradually shout the nuclear plus Zheng Rolling Excavation to eliminate the large offset until the straightening stops.

3. Interception. After three or four steel bars, it is necessary to stop the machine to see if the length is appropriate, if there is an error, you can adjust the limit switch or the fixed length plate until the appropriate stop.

Fourth, the front part of the guide pipe should be equipped with a 1-meter steel bar. The straightened steel bar should first pass through the steel pipe, and then penetrate into the guide laughing tube and straightening cylinder, so as to avoid the slag joints of each plate of steel bars from popping out and hurting people at the end of the straightening.

5. Before the straightening block is not fixed and the protective cover is not covered, the steel bar shall not be penetrated to avoid flying out and injuring people after the machine is started.

Sixth, the objects are stacked mechanically and accurately to avoid mechanical vibration objects falling into the body. The steel bar is loaded into the roller, the hand and the drum should adhere to a certain interval, the drum shall not be adjusted during the machine work tour, and it is forbidden to wear gloves to operate.