A brief introduction and precautions for SMC cylinders

Create Date: 2024-8-30 12:03:23|Source: SMC

The SMC standard cylinder is a pneumatic actuator that converts the pressure energy of a compressed gas into mechanical energy. There are two common types: reciprocating linear motion and reciprocating oscillation, which are widely used in printing, semiconductors, automatic control, robots, etc. The following is a brief introduction to the SMC cylinder block.

A brief introduction and precautions for SMC cylinders

　　Performance characteristics of SMC standard cylinders.

Compared with other brands of products, SMC cylinder block has more convenient and faster adjustment of working speed, higher reliability and longer service life, and its action speed is generally less than 1M/S, which is faster than hydraulic cylinders and cylinders, but expensive.

SMC standard cylinder type.

Single-acting cylinder.

Only one end has a piston rod, and the air supply from the piston side generates air pressure, which pushes the piston to produce a thrust and extend out, and return by spring or self-weight.

Double-acting cylinder.

The air is supplied alternately from both sides of the piston, and the force is output in one or two directions.

Diaphragm cylinders

Replacing the piston with a membrane, the force is output in only one direction, and the spring is returned. Good sealing performance, but short stroke.

Impact cylinders.

It is a new type of element that converts the pressure energy of the compressed gas into kinetic energy for the high-speed (10-20 m/s) movement of the piston, thus functioning. The impact cylinder adds an intermediate cover with a nozzle and exhaust port. The middle cover and piston divide the cylinder into three chambers: the air storage chamber, the head chamber and the tail chamber. It is suitable for blanking, punching, crushing, forming and other operations.

Oscillating cylinders.

The inner cavity is divided into two by the blades, and the two cavities are alternately supplied with air, and the output shaft oscillates at an angle of 80°.

Standard SMC block precautions

The cylinder stroke should be within the maximum stroke available. If the maximum stroke is exceeded, the piston rod will be damaged. The maximum stroke that can be used depends on the selection step of the cylinder model.

When a piston with inertial force is stopped by a single collision with the cylinder head at the end of the stroke, it should be used within the range of the cylinder block without damage. For the range of non-damage to the cylinder block, please refer to the selection procedure of the cylinder type.

A speed control valve is installed to adjust the drive speed of the cylinder from low speed to the desired speed.

The long-stroke cylinder should be provided with intermediate support to overcome the damage to the piston rod by placing orders, bending, vibration and external load of the piston rod.

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