As a core piece of equipment in steel bar processing, the stable operation of the steel reinforcement cage rolling welding machine relies on standardized and timely daily maintenance. Proper daily upkeep not only extends the service life of the equipment but also ensures processing accuracy and operational safety.

1. Cleaning
After each day's operation, promptly remove dust, iron filings, and oil stains from the equipment surface, especially on guide rails, drive chains, and welding torch areas, to prevent debris accumulation from affecting operational precision. Regularly clean dust inside the electrical control cabinet to ensure proper heat dissipation.

2. Lubrication Maintenance
In accordance with the equipment manual, regularly add an appropriate amount of lubricating oil or grease to various transmission parts, bearings, and sliding guide rails. Key areas such as the rotary drive mechanism and bar feeding mechanism should be kept well-lubricated to reduce wear.

3. Electrical System Inspection
Before starting the machine each day, check power cables and control wires for damage, and ensure all connections are secure. Regularly inspect the CNC system's operating status to ensure correct parameter settings. Take precautions against moisture and dust to prevent electrical components from malfunctioning due to environmental factors.

4. Welding System Maintenance
For equipment equipped with an optional automatic welding robotic arm, regularly check the welding torch nozzle and contact tip for wear, and replace wearing parts in a timely manner. Clean off welding slag to ensure smooth welding gas flow and stable air pressure.

5. Tightening and Adjustment
Regularly check bolts and nuts for loosening, especially connecting parts at rotating and load-bearing areas. Tighten any loose fasteners promptly to prevent component damage or accuracy deviations caused by vibration.

Proper daily maintenance is a reliable guarantee for the long-term stable operation of the equipment. Operators should develop good habits of "inspection before shift, observation during operation, and maintenance after shift" to ensure the equipment remains in optimal working condition at all times.

The steel bar bending machine is one of the core pieces of equipment on a steel reinforcement processing site. Proper daily maintenance not only extends the service life of the equipment but also ensures processing accuracy and construction safety. Below are the key points of daily maintenance:

1. Daily Routine Maintenance

Cleaning: After each shift, promptly remove iron oxide scale, steel chips, and debris from the equipment surface to keep the machine clean both inside and out. Accumulated debris and chips accelerate part wear and must be thoroughly cleaned.

Inspection and Tightening: Before starting the machine, check whether all connecting bolts are securely tightened, especially the clamping roller fixing bolts, blade screws, and other critical parts. If any looseness is found, tighten it immediately; otherwise, it may cause component damage.

Lubrication and Oiling: Before using the equipment, apply lubricating oil to all lubrication points. Core components such as the traction mechanism, straightening rollers, shearing mechanism, and bending shaft should be lubricated regularly as required to reduce metal friction loss.

2. Key Points for Proper Operation

No Overloading: Do not process steel bars exceeding the equipment's specified diameter and strength. Do not use small-diameter tooling to bend large-diameter bars, as this may cause mold deformation or gear fracture.

No-Load Test Run: Before formal operation, run the equipment under no-load conditions to confirm normal operation, checking whether all components are in good condition and whether the protective guard is securely fastened.

Proper Operation: When bending steel bars, operators must not stand within the operating radius. Direction changes must only be performed after the equipment has come to a complete stop. Never replace the spindle, change the angle, or adjust the speed while the machine is running.

3. Periodic Maintenance Items

Oil Change Maintenance: After 200 hours of operation, replace the lubricating oil in the worm gear box. Before changing the oil, flush the inside of the box with kerosene, then refill with the specified grade of lubricating oil to the level indicated by the oil level gauge.

Electrical Inspection: Once a month, check the insulation performance of the motor terminals and clean the dust accumulated inside the control cabinet. Also inspect the cable insulation for any damage and verify that the protective grounding wire is reliable.

Storage Protection: When the equipment is not used for an extended period, apply anti-rust oil to non-painted surfaces of the machined parts, store it in a dry indoor location, and cover it with a dust cover.

4. Safety Precautions

When performing maintenance or replacing blades, be sure to cut off the power supply and hang a maintenance tag. After work, cut off the power supply and close the air source, developing good end-of-shift habits. Implement a system where specific operators are assigned to specific machines, requiring them to be familiar with the equipment structure and strictly follow the operating procedures.

The grease for the rebar bender is mainly applied to several key lubrication points, including bearings, gears, and chains.

Once the core components requiring lubrication are understood, it's natural to learn how to perform the procedure.

1. Lubrication Points
The core lubrication points on a rebar bender that require regular greasing are as follows:

• Bearings: These are crucial components that support the machine's rotating parts. Regular greasing effectively reduces operational friction.

• Gears: Gears experience wear during meshing and power transmission. Applying grease provides lubrication and protection.

• Chains: If the equipment uses a chain drive, lubrication is also necessary to ensure normal operation and extend its service life.

2. Operation Steps
Before greasing, prepare the grease, a grease gun or manual pump, cleaning cloths, and cleaner. During operation, first use the cleaner and cloth to thoroughly clean the lubrication points. Then, load the grease into the grease gun and ensure it is smooth. Next, position the grease gun nozzle onto the lubrication point and slowly inject the grease while observing the grease flow and the condition of the lubrication point to ensure adequate lubrication. Finally, wipe away any excess grease.

3. Maintenance Intervals
Maintenance intervals vary slightly depending on the type of equipment. For example, the bearings of a hydraulic handheld rebar bender are recommended to be greased with calcium-based grease every six months. For the bearings of a rebar stirrup bender, it is recommended to clean and re-grease them once or twice a year.

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