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alligator shear
alligator shearing machine
crocodile shearing machine
gantry shearing machine
Heavy Duty Metal Gantry Shear
Hydraulic Gantry Shear Machine
How to maintain and service hydraulic alligator shears?

How to maintain and service hydraulic alligator shears?

Hydraulic alligator shears are essential in various industrial fields such as scrap metal processing and manufacturing. Regular maintenance is essential to ensure the life and effectiveness of key components. This article provides a detailed guide on maintaining and servicing the main components of hydraulic alligator shears.   1. Maintaining the cutting blade Regular inspection and sharpening: Regularly check the blade for dullness or damage. Sharpen the blade as needed to ensure smooth cutting and relieve stress on the machine. Replacement: If the blade is excessively worn or damaged, replace it in time to avoid affecting the efficiency and safety of the machine. 2. Press cylinder The press cylinder is responsible for the driving force of the shear to cut the material. Seal inspection: Frequently check the hydraulic seal for wear or leakage. If necessary, replace the seal to prevent fluid leakage and maintain pressure. Rod condition: Check for wear, corrosion or misalignment on the cylinder rod. A damaged rod can lead to inefficient operation and safety hazards. 3. Press plate The press plate holds the material in place during the cutting process. Alignment check: Make sure the press plate is aligned with the cutting blade for optimal performance. Surface inspection: Check regularly for any cracks or wear, and repair or replace the platen if it is damaged. 4. Motor The motor powers the hydraulic pump and needs to be checked regularly to ensure it is operating efficiently. Cooling system: To prevent overheating, keep dust and debris out of the motor's cooling system. Electrical connections: Check all electrical connections for signs of wear or corrosion. Secure any loose connections and replace damaged wires or components. 5. Valves The pressure and flow of the hydraulic oil are managed through hydraulic valves. Operational testing: To ensure the valves are operating properly, test them regularly. Be alert for unusual sounds that may indicate potential problems. Cleaning: Keep the valves clean and free of debris buildup that can cause the valves to stick or malfunction 6. Cutting cylinders Like press cylinders, cutting cylinders are used for cutting, so similar care is required. Leakage checks: Make sure the hydraulic oil level is correct and perform regular leak checks. Pressure tests: Check the hydraulic pressure in the cutting cylinder regularly to ensure it meets the specifications required for efficient operation. 7. Pumps The machine's hydraulic oil must move, so a hydraulic pump is needed. Oil Level and Quality: Check the hydraulic oil level regularly and top up as needed. Replace the oil if it is contaminated. Pump Inspection: Listen for noise changes and check for vibrations, which may indicate wear or misalignment. 8. Electric Box The electric box contains the electrical components that control the machine. Moisture and Dirt: Make sure the electric box is free of moisture and dirt, which can cause electrical failures. Component In...
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Working Principle of Alligator Shear

Working Principle of Alligator Shear

Alligator shear for its structural principle similar to the alligator up and down the alligator and named, due to the simple design and structure of the machine, low failure rate, shear pressure, low maintenance costs and the advantages of the market unanimously recognized, is widely used in the round steel, square steel, angle steel, I-beam, plate steel, steel pipe and other scrap cold shear, hot rolled small steel sized shear, steel rolling mill profiles sized shear, steel scrap, small briquettes, steel plate, metallurgical Furnace material heavy waste shear processing. Suitable for metal recycling processing plant, scrap car dismantling and so on.   Working principle: Alligator shear in the structure of the upper and lower alligator shear structure, in the principle of work through the hydraulic pump drive to form the pressure in the electromagnetic reversing valve and the control of the oil circuit to achieve the cylinder lift and contraction, through the principle of leverage in the cylinder under the pressure of the push-up to realize the upper alligator downward auxiliary locking cylinders will be pre-pressure locking of the material in the main cylinder under the role of the continuous push-up on the alligator knife and the lower alligator knife to achieve the interaction of the cutting so that the material into the incision cut. The material entering the cutter is cut off.
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Performance and advantages of Alligator Shearing machine

Performance and advantages of Alligator Shearing machine

1.Alligator shear adopts hydraulic transmission. Compared with mechanical transmission shearing machine, it has the advantages of small size, light weight, small inertia, low noise, stable movement, convenient and flexible operation, large shearing section, convenient adjustment of cutting body , etc. It is safe to operate and use, and easy to achieve overload protection.   2.  Alligator shear has manual and automatic functions, convenient and simple operation and control. The cutting body starts shearing and stops at any position during the working process, and can arbitrarily control the size of the cutting body according to the size of the sheared material to achieve high work efficiency.   3.  Alligator shear is designed with a fast type. Without increasing the power of the motor and the displacement of the oil pump, the shearing speed remains fast.   4. The piston ring seal can not only keep the shearing force unchanged at high oil temperature, but also keep the shearing force unchanged under long-term operation or high oil temperature. These advantages improve the quality grade of this machine and extend the service life of the machine.
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New design of the alligator shear

New design of the alligator shear

Alligator shear is one of the most popular scrap metal shearing machines, Teyun designs and sold many alligator shears to many countries. But during the process of the communication with the customers, Teyun also knows more about the customers demands. Some the customers offered their feedback about the alligator shear, they think the original structure of the alligator shear is not convenient when using. So according to the customers' feedback, Teyun designed and manufactured the new type of the alliagtor shear. In the following of the pictures, we can see the different types of the alligator shear. Type 1 Type 2 The main part and hydraulic system are seperated The hydraulic system is welded under the main part,save sapce and easier to move.
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How to maintain the blades of the srap metal shears?

How to maintain the blades of the srap metal shears?

Blades maintenance Why the cutting blades need the maintenance? The cutting blades play a very important role in the scrap metal shears, no matter the gantry shear, the container shear, the tiger shear orthe alligator shear. Good condition of the cuuting the blades mean the scrap metal shear will have the high cutting force and high production. How to maintain the cutting blades? Before turning on the scrap metal shear, press the smooth chart to request time, fixed -point, and quantitative heat oil. The smooth oil should be cleaned and free of precipitation. Persist in adding an appropriate amount of light oil, insist on cleaning the appearance of the blades, and improve the abrasion resistance of the blades. When using the scrap metal shear, it is necessary to operate the scrap metal shear under the guide of the "Operation Regulations on the Operation of Scrap Steel Shear Machines" and correctly use the blades. The blades must always insist on cleaning rust -proof oil. Remnant blades should choose a cool and boring central storage. To avoid rust of the blades, apply a layer of anti -rust oil on the blade that was once opened. The boring center ensures that the blade is not rusted. Regularly check that the using blades of  the wear status. The blade is severely changed in time and submitted to the appliance supplement. 10 minutes before get off work every day, stop scrubbing and clean the blades, and refuel smoothly. It is necessary to insist on cleaning the state. The central center without paint should pay attention to avoid rust, and regularly work for the switch and other quality.
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How to maintain an alligator shear？

How to maintain an alligator shear？

WHAT IS AN ALLIGATOR SHEAR? An alligator shear(alligator shearing machine) is also known as the  crocodile shear. The alligator shear is a type of cutting tool whcih is widely used to cut the waste metal in metalworking.  The alligator shear is similar to a pair of scissors, but with longer, heavier blades that are designed to cut through thicker materials such as sheet metal and rebar. The blades are usually serrated, allowing them to grip the material being cut and make a clean cut. Alligator shears are commonly used in fabrication shops ,industrial applications and also in metal recycling industries.     The alligator shearing machine is a samller type of the scrap metal shearing machine compared with the heavy duty gantry shear and tiger shear(super alligator shear) The alligator shear has the advantages of the samll volum and low price but limited cutting production，so the alligator shear is normally suitable for the samll recycling recycling centre or personal using. To improve the cutting speed and reduce the labor working, the alligator shear can be equipped with the feeding box. For much more the daily production demand, the customers can consider the other scrap metal shearing machines like: super alligator shear, container shear and the gantry shear. If you have the demand you can conatct us for the solutions.   HOW TO MAINTAIN AN ALLIGATOR SHEAR?   1. Clean the alligator shear regularly. Use a soft cloth to wipe away any dust or debris that may have accumulated on the blades and body of the shear. 2. Oil the alligator shear regularly. Apply a few drops of oil to the pivot points and other moving parts of the shear to keep them lubricated and functioning properly. 3. Sharpen the blades of the alligator shear when necessary. This should be done by a professional sharpener, as it requires special tools and expertise to do correctly. 4. Inspect the alligator shear for any signs of wear or damage, such as bent or broken blades, loose screws, or worn out handles. If any damage is found, have it repaired immediately by a qualified technician to ensure its safe operation. When using if you have any problems or qurstions you can contact us we can offer the 24*7 online supporting for you.
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Introduction of Alligator shear

Introduction of Alligator shear

Alligator shears are called crocodile shears, which are named for their crocodile-like shape. They are widely used in metal recycling companies, scrap steel factories, and smelting enterprises. The alligator shears can cold-cut scrap metal structures with different cross-sectional shapes and process them into qualified furnace materials. In general, alligator shears are more suitable for personal scrap metal recycling stations. The alligator shearing machine is equipped with an integrated electromagnetic valve device for rapid pressure regulation, which can cut about 8-9 times a minute, and the shearing speed is twice as high as the original one. Features of crocodile shears Adopt hydraulic drive, easy to operate and easy to repair. Working blade length: 400mm, 600mm, 700mm, 800mm, 1000mm, 1200mm, 8 levels of shear force from 63 tons to 400 tons. The shearing machine with a knife edge of more than 700mm is suitable for cutting scrapped cars. The installation does not need anchor screws, and the diesel engine can be used as power in places without power supply. The alligator shear adopts hydraulic transmission. Compared with the mechanical transmission shearing machine, it has the advantages of small size, light weight, low inertia, low noise, stable movement, convenient operation, sensitivity, large cutting section, and convenient adjustment of the scissors. It is safe to operate and use, and it is easy to realize overload protection. Precautions for using crocodile shears The crocodile shears must be filled with oil before each shift, and the places with butter nozzles must be buttered. It is strictly forbidden for non-designated personnel to operate the crocodile shears, and it is necessary to stop the machine without people. Regularly check the travel switch, solenoid valve connector, and hydraulic oil on the back of the crocodile shears.
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20220624134217_37023

What is an alligator shear and how to choose an alligator shear?

What is an alligator shear? The alligator shear is also known as the ‘Crocodile shearing machine’, which is widely used for cold shearing various shapes of steel and various metal structures into small pieces and qualified charge. This shearing process makes the transportation and recycling more convenient. The scrap metal alligator shear is a necessary equipment for waste metal recycling plants, scrapped car dismantling plants, smelting and casting industries. The process principle of the alligator shearing machine is to extract the hydraulic oil in the hydraulic oil tank through the motor, and the reversing action of the reversing valve is used to drive the oil cylinder to run and cut into small pieces of metal scrap. The alliagtor shear consists of shearing frame (cast iron), blade, pressure plate, protective cover, operating table (automatic electric operation box), electrical system, reversing solenoid valve, oil pump, motor, oil tank, air cooling, shearing cylinder, pressure material grease cylinder. The features of the alligator shear The alligator shear powered by the hydraulic cylinder, which is easy to operate and easy to maintain. The length of the working blade: 400mm, 600mm, 700mm, 800mm, 1000mm and 1200mm. The alligator shear with the blade ≥700mm is especially suitable for cutting scrapped cars. We also support customized alligator shear, tell us your requirements. Small size, light weight, low inertia, low noise, stable action, convenient operation, flexibility, large shearing section, and convenient adjustment of the scissors. Safe operation and easy to achieve overload protection. How to choose an suitable alligator shear? The following tips for your reference: Ensure what kind of the materials to cut. Ensure the blade size the alligator shear you need. Ensure the capacity of the alligator shear you need for one hour. Consider the service the machine.
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