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CUJ Series Mini Free Mount Cylinder, Bore Size 12 mm / 16 mm / 20 mm (Part Number)

CUJ Series Mini Free Mount Cylinder, Bore Size 12 mm / 16 mm / 20 mm
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thận trọng

  • ■ SMC Product Line
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Product Description

Mini free mount series of compact air cylinders.
[Features]
· Space-saving cylinder that reduces the overall length by up to 64% and reduces the volume by up to 70% compared with the same manufacturer's CU Series cylinders.
· With magnet: Shortened by up to approx. 20%, volume reduced by up to approx. 45%. (Compared with the same manufacturer's double acting type CQS cylinder with magnet.)
· Without magnet: Shortened by up to approx. 64%, volume reduced by up to approx. 70%. (Compared with the same manufacturer's double acting type CU cylinder without magnet.)
· With auto switch.

CUJ Series Mini Free Mount Cylinder, Bore Size ø12, ø16, ø20 Specifications

Dimensions (Without Magnet)

Tube inner diameter A (a) B (b) C (c)
12 17 (−) 26.5 (−) 15.5 (−)
16 21 (20) 29.5 (32) 16.5 (30)
20 25 (26) 36 (40) 19.5 (36)

 

(Units: mm)

 

(): Dimensions of the same manufacturer's CU cylinder.

Dimensions: CUJ (A × B × C + stroke) CU (a × b × c + stroke)

Dimensions: CUJ (A × B × C + stroke) CU (a × b × c + stroke)

Specifications

With counterbore for mounting

With counterbore for mounting
There is no protrusion for a mounting bolt.

Easy seal replacement: Seals can be replaced easily by just removing the retaining ring.

Easy seal replacement
Seals can be replaced easily by just removing the retaining ring.

Bumper equipment as standard

Bumper equipment as standard

Bore size mm 12 16 20
Action Double acting / Single acting, spring return
Fluid Air
Proof Pressure 1.05 MPa
Minimum operating pressure Double-acting type 0.07 MPa 0.05 MPa
Single acting, spring return 0.25 MPa 0.18 MPa
Maximum operating pressure 0.7 MPa
Ambient and Working Fluid Temperature Without auto switch: -10°C to 70°C (no freezing)
With auto switch: -10°C to 60°C (no freezing)
Cushioning Rubber cushion
Lubrication Not required
Piston Speed 50 to 500 mm/s*
Stroke Length Tolerance 0 to +1.0
Mounting CUJB: through-hole (lateral, axial direction: 2 locations each)
CUJS: through-hole (axial direction: 2 locations)

Standard Stroke

JIS symbol: Double acting, single rod, rubber bumper

JIS symbol
Double acting, single rod, rubber bumper

Single acting, spring return, rubber bumper

Single acting, spring return, rubber bumper

Tube Inner Diameter (mm) Action Standard Stroke (mm)
12 Double-acting type 5, 10, 15, 20, 25, 30, 35, 40, 45, 50
16
20 5, 10, 15, 20, 25, 30, 35, 40, 45, 50
12 Single acting, spring return 5, 10
16
20

Spring Reaction Force: Single Acting, Spring Return

Spring in pre-loaded condition: When the spring is set in the cylinder

Spring in pre-loaded condition: When the spring is set in the cylinder

Spring in loaded condition: When the spring is contracted by applying air

Spring in loaded condition: When the spring is contracted by applying air

Tube inner diameter
(mm)
Spring condition Stroke (mm)
5 10
12 Pre-loaded 6 3.5
Loaded 9.5 9.5
16 Pre-loaded 7.5 4.5
Loaded 11 11
20 Pre-loaded 10.5 5.5
Loaded 16.5 16.5

 

(Unit: N)

 

*Moving the load with the thrust (spring response) on the spring return side will cause a poor stroke.

Weight Table

 

(Unit: g)

 

Tube inner diameter
(mm)
Standard Stroke (mm) Additional weight
5 10 15 20 25 30 35 40 45 50 Built-in magnet Rod end male thread
CUJ□12 21 26 31 35 40 45 50 55 60 65 6 4
CUJ□16 32 39 46 53 60 67 74 81 88 95 9 8
CUJ□20 52 62 72 82 92 102 112 122 132 142 12 13

Double-acting type

 

 

(Unit: g)

 

Tube inner diameter
(mm)
Standard Stroke (mm) Additional weight
5 10 Built-in magnet Rod end male thread
CUJ□12 23 28 6 4
CUJ□16 34 41 9 8
CUJ□20 53 63 11 13

Single acting, spring return

Part Number
Part NumberPriceMinimum Order Qty.Volume DiscountDays to ShipSố ngày giao hàngCylinder (Tube) Inner Diameter
(Ø)
Stroke
(mm)
Operating Temperature
(°C)
Specifications Port thread type Type of Mount Support

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Basic InformationThông tin cơ bản

Rod Operation Method Single Rods Main Body Shape Plate Cylinder Additional Function Standard
Environment, Applications Standard Cushion Rubber cushion