日本SMC真空無桿氣缸HJG，SMC氣缸功能描述

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causing a danger of malfunction or degradation of particulate generation characteristics, etc. 

2. When used for vertical operation, 

take precautions against possible dropping due to separation of the magnetic coupling.

 When used for vertical operation, 

use caution as there is a possibility of dropping due to separation of the magnetic coupling if a load (pressure)

 greater than the allowable value is applied. 3. Do not operate with the magnetic coupling out of position.

 If the magnetic coupling is out of position, push the external slider (or the piston slider by using air pressure)

 back to the proper position at the stroke end. (When pushing the external slider, do not push it with bare hands.) 

Magnetic holding force (N)

Note 1) Air is recommended as the operational atmosphere and fluid, but contact SMC

 if other inert gasses are used, as the product life may change. Note

 2) Baking is limited to baking before cylinder operation. 

Cylinder operation should be with a temperature range of -10 to 60°C. Note 

3) Contact SMC if the baking temperature will exceed 100°C. Note 

 grease applied to the guide unit will evaporate excessively and may cause environmental contamination and loss of durability. 

8. Be sure to set the baking temperature (only before the cylinder operates) to 100°C or less. 

If a higher temperature is used, 

the grease will evaporate excessively and may cause environmental contamination and loss of durability. 

9. Positioning of a cylinder should be performed using an optical sensor from outside the chamber. 

A positioning sensor cannot be mounted on the cylinder. 

10. Using extremely dry air as a fluid will affect the reliability (life) of the 

such as deteriorating the lubrication characteristics of the interior, so contact SMC and check.

50 to 300 mm/s

–2 to 0 mm on each side (–4 to 0 mm total)

Sine cushion (Air cushion)

Vacuum grease for linear guide unit and inside the cylinder tube

Corrosive gases may cause corrosion of a cylinder and loss of durability.

 7. Be sure to use the cylinder in pressure environments from atmosphere to 1.3 x 10-4 Pa (ABS).

 If used in pressure environments below these conditions,

If the maximum operating pressure of 0.3 MPa for the vacuum rodless cylinder is exceeded, 

the magnetic coupling can be broken, 

4) The piston speed listed above is the maximum piston speed.

 When the slide table on the stroke edge starts moving, 

it will take approximately 0.5 seconds (each end) or 1 second (both ends) to slip out of the cushion stroke.

The maximum operating pressure for the vacuum rodless cylinder is 0.3 MPa. 

Operating environment pressure

Maximum baking temperature Note 2) Note 3)

Ambient and fluid temperature

Piston speed (MAX.) Note 4)

Atmosphere to 1.3 x 10-4 Pa (ABS) 

0.05 to 0.3 MPa 1.3 x 10-7 Pa?m3/sec or less (at normal temperatures, excluding gas permeation)

–10 to 60°C

4. Do not apply lubricant, as this is a non-lube product. The interior of the cylinder is lubricated at the factory, 

and lubrication with turbine oil, etc., will not satisfy the product's specifications. 5. Contact SMC if greasing the linear guide. 

If grease is applied to the linear guide, particle generation will increase temporarily. 

However, regular greasing is recommended. 6. Use the cylinder in inert gas environments. 

日本SMC真空無桿氣缸HJG，SMC氣缸功能描述