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Smooth Cylinder CQSY Series (CDQSYG20-30DC)

Smooth Cylinder CQSY Series CDQSYG20-30DC

A special cylinder with low friction, even during bi-directional operation.
[Features]
· An air cylinder with reduced stick-slip at low speed ranges.
· Stable operation possible even at 5 mm/s (based on JIS B 8377).
· Lightweight and with improved functionality (new structure equivalent to the standard models).
· Interchangeable (mounting compatibility) with standard products.
*See the SMC catalog for specification details.
*Product pictures are representative images. CAD data is not supported for some model numbers.

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  • ■ SMC Product Line
    Webpages for products currently without individual pages on this site will be released on an ad-hoc basis.
  • Refer to the manufacturer's catalog for specification and material details.
  • Product images may be representative images. Refer to the manufacturer's catalog for shape details.​
  • CAD data is not supported for some model numbers.

PDF

Part Number

Configured Part Number is shown.

CDQSYG20-30DC

Smooth Cylinder CQSY Series Specifications

Smooth Cylinder CQSY Series external appearance

Smooth Cylinder CQSY Series external appearance

Smooth Cylinder CQSY Series JIS symbol (rubber bumper)

Smooth Cylinder CQSY Series JIS symbol (rubber bumper)

Specifications

Tube Inner Diameter (mm)12162025
ModelPneumatic (non-lube) type
ActionDouble acting, single rod
FluidAir
Proof Pressure1.05 MPa
Maximum operating pressure0.7 MPa
Ambient and Fluid TemperatureWithout auto switch: -10°C to 70°C (no freezing)
With auto switch: -10°C to 60°C (no freezing)
CushioningRubber cushion
Rod-end threadFemale thread
Stroke Length Tolerance+1.0 mm*
0
Piston Speed5 to 500 mm/s
Allowable leakage rate0.5 L/min (ANR) or less

*The stroke length tolerance does not include bumper deflection.

Minimum Operating Pressure

 

(Units: MPa)

 

Tube Inner Diameter (mm)12162025
Minimum Operating Pressure0.030.02

Standard Stroke Table

Tube Inner Diameter (mm)Standard Stroke (mm)
12, 165, 10, 15, 20, 25, 30
20, 255, 10, 15, 20, 25, 30, 35, 40, 45, 50

Weight Table / Without Auto Switch

 

(Unit: g)

 

Tube Internal Diameter
(mm)
Cylinder stroke (mm)
5101520253035404550
12374350576370----
16495766748392----
207588101114127140153165178191
25109125140156172188204220236252

With standard stroke
Calculation Example) CQSYD20-20DCM

  • ¡Basic weight: CQSYB20-20DC 114 g
  • Additional weight: rod end male thread 10 g
  • Additional weight: double clevis type 92 g

Total 216 g

*Refer to the SMC catalog for the additional weight table.

Weight List / With Auto Switch (Built-In Magnet)

 

(Unit: g)

 

Tube Internal Diameter
(mm)
Cylinder stroke (mm)
5101520253035404550
12455158657178----
165967768594103----
20106119132145157170183195208221
25151167183199215231246262278294

Dimensions / ø12 to 25 mm

 

(Units: mm)

 

Standard Type (Through-Hole / Both Ends Tapped Common): CQSYB, CDQSYB

ø12 mm dimensional drawing

ø12 mm dimensional drawing

ø16 mm dimensional drawing 1

ø16 mm dimensional drawing 1

ø16 mm dimensional drawing 2

ø16 mm dimensional drawing 2

ø20 mm / ø25 mm dimensional drawing

ø20 mm / ø25 mm dimensional drawing

ø20 mm / ø25 mm dimensional drawing - with rod end male threading

ø20 mm / ø25 mm dimensional drawing - with rod end male threading

Tube Internal Diameter
(mm)
B1C1H1L1MMX
1289414M5 × 0.810.5
161010515.5M5 × 1.012
201312518.5M8 × 1.2514
251715622.5M10 × 1.2517.5
ø20 (diameter 20 mm) / ø25 (diameter 25 mm) dimensional drawing, with boss on head

ø20 (diameter 20 mm) / ø25 (diameter 25 mm) dimensional drawing, with boss on head

Tube Internal Diameter
(mm)
GTh9
121.515 (-0.043 to 0)
161.520 (-0.052 to 00
20213 (-0.043 to 0)
25215 (-0.043 to 0)

*The product with a boss on the head side is applicable only with standard strokes.

Standard type

Tube Internal Diameter
(mm)
Stroke Range
(mm)
Without auto switchWith auto switchCDEFHIKLMNOAOBQRARBT
ABAB
125 to 3025.52230.52766255M3 × 0.53253.515.53.5M4 × 0.76.57.5740.5
165 to 3025.52230.52788295M4 × 0.73863.5203.5M4 × 0.76.57.5740.5
205 to 502924.53934.5710365.5M5 × 0.84784.525.55.4M6 × 1.0981071
255 to 5032.527.542.537.51212405.5M6 × 1.052105285.4M6 × 1.0991071

*For the following bore/stroke sizes, the through-hole is threaded - Standard type: ø20 mm; 5 to 10 stroke and ø25 mm; 5 stroke.

*See the SMC catalog for dimensional drawings and dimensions tables not detailed above.

Part Number
CDQSYG20-30DC
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipCylinder (Tube) Inner Diameter
(Ø)
Stroke
(mm)
Operating Pressure
(MPa)
Specifications Body Options Auto Switches Lead Wire The number of the switches Type of Mount Support Rod Tip Shape

-

1 Piece(s) Quote 20300.02 to 0.7Built-in magnetStandardWithout switch--Head-end flangeStandard (rod-end female thread)

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Basic Information

Cylinder Operation Method Double Acting Rod Operation Method Single Rods Main Body Shape Plate Cylinder
Additional Function Standard Environment, Applications Low Friction (Internal Resistance) End Locking No
Cushion Rubber cushion

Please check the type/dimensions/specifications of the part CDQSYG20-30DC in the Smooth Cylinder CQSY Series series.

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