1pc 1 Inch Pneumatic Wrench(No.5010120)1pc Special Fittings1pc Manual

Item No:MP1910812

 

 

1pc 1 Inch Pneumatic Wrench(No.5010120)1pc Special Fittings1pc Manual
2pcs Sleeves(Size Available 27,30,32,33,36,38,41mm)
1pc Operation Instruction

 

1. Core functions and technical positioning

 

Power principle: By connecting compressed air (the air source pressure usually needs 6-9bar), the internal pneumatic motor is driven to rotate, outputting high torque (common torque range 200-1500N·m), suitable for disassembly and disassembly of high-strength bolts.

 

Significance of 1-inch specification: It means that the size of the square head of the wrench is 1-inch (about 25.4mm). It is adapted to a 1-inch socket head to tighten/loosen large diameter bolts of M20-M30 specifications (it is difficult to operate with ordinary manual wrenches).

 

 

2. Typical application scenarios and uses

 

(1) Automobile and construction machinery maintenance

Tire and chassis disassembly

Quickly disassemble tire bolts (M22-M27) from trucks and engineering vehicles (such as excavators and loaders). Traditional manual wrenches take several minutes per bolt, and pneumatic wrenches only take 5-10 seconds per bolt, greatly improving maintenance efficiency.

Disassembling and disassembling high-strength parts such as chassis suspension system bolts and differential fixing bolts is especially suitable for batch operations in 4S shops and truck repair stations.

 

Engine and gearbox maintenance

Remove the engine block bolts and gearbox housing bolts (torque needs to be controlled to prevent wire slippage). Some pneumatic wrenches have torque adjustment function, which can accurately match the requirements of the maintenance manual.

 

(2) Heavy equipment assembly and construction engineering

Steel structures and bridge construction

During the installation of steel structures in bridges and factories, tighten high-strength bolts (such as levels 10.9 and 12.9) to ensure the connection strength of nodes; use torque wrenches for verification to meet engineering safety standards.

 

Engineering machinery assembly

The installation and tightening of boom connecting bolts and swing support bolts for excavators, cranes and other equipment, and the continuous torque output of pneumatic wrenches can avoid the problem of uneven manual tightening.

 

(3) Industrial manufacturing and assembly line operations

automobile production line

Bolts of key components such as automobile chassis assemblies and engine cylinder heads are tightened to realize automated assembly line operations (with fixed brackets or robotic arms) to ensure torque consistency (such as torque error of each bolt ≤5%).

 

Pressure vessel and piping installation

Tighten pressure vessel flange bolts and high-pressure pipeline connections to ensure sealing performance (such as oil pipelines and natural gas storage tanks) and avoid leakage risks.

 

(4) Special scenario applications

Mining and Oilfield Equipment Maintenance

Remove wellhead bolts of oilfield drilling equipment and gear box bolts of mining machinery. In high-dust and humid environments, pneumatic wrenches are more durable than electric tools (no risk of short circuit motors).

 

Ship and aviation maintenance

The explosion-proof characteristics of pneumatic wrenches for disassembling ship deck equipment bolts and aircraft landing gear fixing bolts are suitable for flammable and explosive environments (such as ship cabins and aircraft fuel areas).

 

 

3. Technical advantages and usage characteristics

High torque and efficiency

The instantaneous torque output can be 10-20 times that of a manual wrench. For example, a 1500N·m pneumatic wrench can easily twist a stuck rusty bolt, while manual labor requires the cooperation of multiple people or the use of an afterforce lever.

Strong continuous operation ability, no need to wait for the motor to cool down (the electric wrench is prone to overheating when heavily loaded), suitable for long-term high-intensity use (such as disassembling and disassembling 200 + bolts all day long).

 

Explosion-proof and environmental adaptability

No spark is generated, suitable for flammable and explosive scenarios (such as chemical plants and gas stations), and is safer than electric wrenches; it is resistant to moisture and dust environments and has low maintenance costs (only need to be filled with pneumatic oil regularly to maintain the motor).

 

Portable and flexible operation

The weight is usually 3-5kg, which is lighter than an electric wrench with the same torque. It can be moved flexibly with the air pipe (the air pipe can be up to 10-20 meters long, covering a large working range).

 

 

4. Supporting accessories and extended functions

Core Annex

1-inch sleeve head: Adapt to bolts of different specifications (M20-M30). Some sleeves have anti-slip teeth or magnetism to prevent the bolts from falling.

Torque adjustment device: Some high-end models can accurately control torque (such as from 300N·m to 1000N·m) by adjusting intake pressure or internal valves to avoid excessive tightening and bolt breakage.

 

extended use

With extension rod: used for disassembling and disassembling deep-hole bolts (such as bolts inside engine block);

Install the impact head: Convert it to a pneumatic impact wrench to loosen the rusty bolts through high-frequency impact (more effective than simply rotating).

 

 

5. Precautions and safe operations

air source requirement

It needs to be equipped with an air compressor (displacement ≥0.3m³/min), and a pressure-resistant air pipe (to avoid tube bursting). The air source needs to be dry (an oil-water separator is installed to prevent water vapor from corroding internal parts).

 

protective measures

When working, you must wear goggles (to prevent bolt debris from splashing), anti-slip gloves (the reaction force of the wrench may cause you to lose your hands), and ensure that the workpiece is firmly fixed (to avoid shaking when the bolt is loose).

 

maintenance

Drop 2-3 drops of special oil for pneumatic tools into the air inlet before and after each use to prevent wear of the motor; clean the air filter element regularly to prevent impurities from entering and damaging the internal structure.

 

 

 

 

 

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