How To Choose The Best Wrench

Posted by Catnip on December 31st, 2019

The wrench is an indispensable tool for solving assembly problems in both internal and industrial spherical shapes. This tool allows you to save time and energy when performing installation work, increasing connection efficiency and durability. Consider what types of tools are available and how to choose the right tools.

The purpose of the wrench and the difference from a screwdriver
The purpose of this tool can be predicted by the name of the wrench is necessary for tightening and loosening the bolts and bolts. With a lot of effort. Answer: Some models can develop a force of up to 65,000 Nm (Nm). Many craftsmen who have never encountered this tool are confused with screwdrivers, as can be seen from the similarities on the outside and the back.

How is a screwdriver different from a screwdriver? In most clutches, a pulsed clutch is installed. But is different from the same pin-shaped clutch where the force is not applied along the axis of the machine But in the direction of rotation of the cartridge, the shock mechanism works as follows: the drive of the device rotating the cartridge through the large connection until the force reaches a certain threshold. In addition, the leading element of the clutch is released from the engagement and accelerates the acceleration of the parts formed within the incomplete rotation after it strikes the cam located on the axis of the cartridge.

Tool type
The wrench is a highly specialized tool that works quite impressive. It's hard to say which wrench is better because the type and power of the tool will be chosen depending on the goals and objectives that must be achieved.

Whether you are buying the 1/2 torque wrench to the car, you can get a 1/2 inch square drive tool, as 3/8 in drive tools only work on lesser torque preferences (typically under manufacturer's specifications). Adapters are available to cut back the 1/2 inch square drive to 3/8 inch square to fit the more socket measurement that the majority of individuals have.

Electricity
The high-speed unit is efficient and accurate, with almost no vibration. The electric motor of the device runs on a 220V electrical outlet and is installed for better cooling by a fan, which allows the tool to work for a long time.

This type of battery wrench is suitable for transportation and allows you to work away from wires. Accumulator equipment can be used to install various panels, to place communications and for small installation efficiency.

Pneumatic tools
Because it's easy to guess the prefix "pneumo" means that compressed air is used to set the cartridge in motion. After feeding through a high-pressure pipe connected to the compressor Since there is no engine, the engine is a screwdriver that is easy to use and does not cause fatigue during operation. In addition, the air wrench is not afraid of overheating and can be used in places where power tools cannot be used.

Hydraulic
The drive in this tool is a hydraulic pump with a valve. The device works according to the following principle: The force developed by the hydraulic cylinder during the piston motion is converted to torque by a rotating wheel. Depending on the model, the hydraulic wrench can develop enormous force, sometimes up to 65,000 Nm. It should be noted that there are two types of hydraulic wrenches: cover and cassette . The picture below shows the model tool.

The following picture shows the type of hydraulic cassette type of the player, usually used in places that cannot approach flame instruments.

Gasoline, this type of wrench is mainly used for repairing or building railways. Gasoline wrench is convenient to operate far from the power supply in difficult field conditions due to complete freedom of operation.

This gear is a styled hand multiplied. The "meat grinder" gear wrench consists of a planetary gearbox placed in a metal body. With the rapid rotation of the handle change is passed through the gear to the output shaft, which begins to spin faster than the handle But with several times more effort.

Thanks to this hand tool, you can unscrew such fasteners that you can not "pull" out of place in the usual way. Often used in field conditions for trucks, buses, tractors as key wheels.