SMC Networks CUJ Series Manuel utilisateur

Mini Free-mount Cylinder

Series CUJ

ø4, ø6, ø8, ø10

CAT.ES20-157 A

Mini Free-mount Cylinder

• Length is shortened by approx. 64% max.

• Volume is reduced by approx. 70% max.

(As compared with SMC Series CU cylinders without magnet)

+ Stroke

CUJ

Features 1

Miniature body

Dimensions (without magnet) (mm)

Numbers in parentheses are the dimensions of SMC Series CU cylinders.

Bore

Size

A (a)B (b)C (c)

10 (—)

13 (13)

13 (—)

13.5 (15)

15 (—)

19 (22)

21 (—)

22 (24)

13 (—)

13 (33)

13 (—)

13 (36)

13 + Stroke

13 18 + Stroke

13.5 18 + Stroke

ø10

ø8

ø6

ø4

CUJB4-4D

CDUJB6-8D

CDUJB8-15D

CDUJB10-20D

Series CUJ

ø4, ø6, ø8, ø10

Features 2

(mm)

Pitch dimensions

(without magnet)

Bore Size

13.5

Tolerance h9

Solid state switch

Model D-F8

Clean room series

Series 10-, 11-CUJ

With front boss (h9)

Centering can be done easily.

Series Variations

Action

Double acting

Single acting (spring return)

Double acting

Single acting (spring return)

Double acting

Single acting (spring return)

Double acting

Single acting (spring return)

Series

CUJ

Bore size

(mm)

Rod end

configuration

Stroke (mm)

Clean room

series

468101520





 













Male thread

Without thread

Nil

Female thread

Male thread

Solid state

switch

D-F8

D-F9

Auto switch

Free



Concentrates wiring and

piping on one surface

Allows more efficient installation, since four

directions can be used freely.

Free-mount design

allows installation from

four directions. Fine pitch

mounting is

possible.

Two auto

switches

can be installed

even for 4mm

strokes.

Rod cover

Easy seal replacement

Seals can be replaced easily just by removing

the rod cover.

Series CUJ

How to Order

ø4, ø6, ø8, ø10

Mini Free-mount Cylinder

CDUJ B 6

Basic (through type)

Mounting

4mm

6mm

8mm

10mm

Bore size

F8N S

With Auto Switch

With auto switch

(built-in magnet)

6mm

8mm

10mm

Bore size

Cylinder stroke (mm)

Double acting

Single acting (spring return)

Action

2 pcs.

1 pc.

Number of

auto switches

Nil

∗For applicable auto switch part numbers, select

a model from Table 2 below.

∗F9 includes one auto switch.

Auto switch type

Without auto switch (built-in magnet)

Nil

Rod end female thread (without thread for ø4)

Rod end male thread

Rod end thread

Nil

Refer to "Table 1 Standard strokes" below.

CUJ B

Bore size (mm)

8, 10

Double

acting

Single acting

(spring return)

Standard stroke (mm)

4, 6, 8, 10

4, 6, 8, 10, 15

4, 6, 8, 10, 15, 20

4, 6

4, 6, 8

4, 6, 8, 10

Table 1 Standard strokes

∗Lead wire length symbols: 0.5m ....... Nil (Example) F8N

3.0m ....... L (Example) F8NL

∗ Auto switches marked with a "" symbol are produced upon receipt of order.

––

Type

Table 2 Applicable auto switch models Refer to pages 11 to 14 for detailed specifications.

Special

function

Electrical

entry

Indicator

light Wiring

(output)

Perpendicular

Load voltage Auto switch

part number

Electrical entry

direction

Lead wire

length (m) Applicable

load

In-line

0.5

(Nil) 3

(L) 5

(Z)

DC AC

Grommet

Yes

3 wire

(NPN)

3 wire

(PNP)

24V

––

F8N

––

F8P

––

F8B

F9N

––

F9P

––

F9B

––

Relay,

PLC

––

2 wire

12V





––

Solid state switch

Without Auto Switch

Action

Theoretical Output/Double Acting

Spring Reaction Force/Single Acting

Weights/Double Acting

Single Acting

Symbol

0.7

8.79

6.59

19.79

10.99

35.18

21.44

54.97

35.18

0.5

6.28

4.71

14.13

7.85

25.13

15.31

39.26

25.13

0.3

3.76

2.82

8.48

4.71

15.07

9.18

23.56

15.07

Operating pressure (MPa) (N)

Operating

direction Piston area

(mm²)

12.6

9.4

28.3

15.7

50.3

30.6

78.5

50.3

OUT

Rod size

(mm)

Bore size

(mm)

Bore size

(mm)

Spring

condition

Pre-loaded

Loaded

Pre-loaded

Loaded

Pre-loaded

Loaded

Pre-loaded

Loaded

1.70

2.55

2.45

3.33

4.67

6.47

5.04

6.77

1.27

2.55

2.01

3.33

3.76

6.47

4.18

6.77

––

1.57

3.33

2.86

6.47

3.31

6.77

––

1.96

6.47

2.45

6.77

Stroke (mm)

(N)

Bore size

(mm)

CUJB4

CUJB6

CUJB8

CUJB10

Standard stroke (mm)

7.2

12.4

15.6

17.9

7.9

13.6

17.0

19.4

8.6

14.8

18.4

20.8

810

9.3

16.0

19.7

22.3

––

18.9

23.0

25.9

––

26.4

29.5

––

2.7

3.0

3.2

Additional weight

With magnet

Rod end male thread

With magnet

Rod end male thread

0.4

0.8

1.5

2.6

(g)

Additional weight

––

2.4

2.5

2.4

0.4

0.8

1.5

2.6

CUJB4

CUJB6

CUJB8

CUJB10

Bore size

(mm)

Standard stroke (mm)

46810

7.2

12.8

15.8

17.9

7.9

14.0

17.2

19.4

––

15.2

18.6

20.8

––

19.9

22.3

(g)

Double acting/Single rod

Single acting/Spring return

→

Spring in pre-loaded condition Spring in loaded condition

←

OUT

When the spring is contracted by applying air

When the spring is set in the cylinder

Specifications

Mini Free-mount Cylinder

Series CUJ

Action

Fluid

Proof pressure

Max. operating pressure

Ambient and fluid

temperature

Cushion

Lubrication

Piston speed

Thread tolerance

Stroke length tolerance

Mounting

Min. operating

pressure MPa Double acting

Single acting

(spring return)

Double acting/Single acting (spring return)

Air

1.05MPa

46810

0.1MPa

0.2MPa

Without auto switch:

10°C to 70°C (with no freezing)

With auto switch:

10°C to 60°C (with no freezing)

None

Non-lube

50 to 500mm/s

JIS class 2

Through hole

+0.5

0.7MPa

0.15MPa

0.3MPa

0.35MPa

OUT IN

Bore size (mm)

M2.5 x 14L

M3 x 18L

Model Mounting bolt

CUJB4-4

-6

-8

-10

CUJB6-4

-6

-8

-10

-15

CUJB8-4

-6

-8

-10

-15

-20

CUJB10-4

-6

-8

-10

-15

-20

M2.5 x 21L

M2.5 x 23L

M2.5 x 25L

M2.5 x 27L

M3 x 22L

M3 x 24L

M3 x 26L

M3 x 28L

M3 x 33L

M3 x 22L

M3 x 24L

M3 x 26L

M3 x 28L

M3 x 33L

M3 x 38L

M3 x 22L

M3 x 24L

M3 x 26L

M3 x 28L

M3 x 33L

M3 x 38L

Model Mounting bolt

CUJB4-4

-6

-8

-10

CUJB6-4

-6

-8

-10

-15

CUJB8-4

-6

-8

-10

-15

-20

CUJB10-4

-6

-8

-10

-15

-20

Series CUJ

Mounting

Through hole mounting bolts are available for mounting a cylinder.

To order bolts, add "CUJ-" at the beginning of the bolt description.

(Example) CUJ-M3 x 27L

A A C

B B

For axial mounting

Without Auto Switch For side mounting

M3 x 18L

Model Mounting bolt

CDUJB6-4

-6

-8

-10

-15

CDUJB8-4

-6

-8

-10

-15

-20

CDUJB10-4

-6

-8

-10

-15

-20

M3 x 27L

M3 x 29L

M3 x 31L

M3 x 33L

M3 x 38L

M3 x 27L

M3 x 29L

M3 x 31L

M3 x 33L

M3 x 38L

M3 x 43L

M3 x 27L

M3 x 29L

M3 x 31L

M3 x 33L

M3 x 38L

M3 x 43L

Model Mounting bolt

CDUJB6-4

-6

-8

-10

-15

CDUJB8-4

-6

-8

-10

-15

-20

CDUJB10-4

-6

-8

-10

-15

-20

For axial mounting

With Auto Switch For side mounting

Axial mounting Side mounting

 Clean Room Series

How to Order

Specifications

The specifications are the same as those for the standard

double acting type. Refer to page 2.

Dimensions

Mini Free-mount Cylinder

Series CUJ

10 6

Clean room series

Magnet

Double acting

Rod end thread

C D UJB

11 Relief type

Vacuum type

Nil

6mm

8mm

10mm

Without

With (built-in)

Nil

MRod end female thread

Rod end male thread

Number of auto switches

Nil

S2 pcs.

1 pc.

Auto switch type

Nil Without auto switch (built-in magnet)

Bore size

F8N

Stroke

The specifications are the same as those for the standard

double acting type. Refer to the standard stroke table on page 1.

∗Applicable auto switch part numbers are the same

as those for the standard double acting type.

Refer to page 1.

Without auto switch With auto switch

ABCABC

24 18 29 2311.5 16.5

6, 8, 10

Bore size

(mm)

2-M3 x 0.5

(port size)

M3 x 0.5

(Relief port: 10–See above)

(Vacuum port: 11–See above)

3C +Stroke

B+ Stroke

A+ Stroke

3.5

11 3.5

Series CUJ

Construction

Double acting

Single acting

Without magnet

Rod end male thread

For ø4

Built-in magnet

Built-in magnetWithout magnet

!3 weq!1 ryoe

uir y o ewieu !0

Replacement parts: Seal kits (double acting)

Kit no.

CUJB4-PS

CUJB6-PS

CUJB8-PS

CUJB10-PS

Bore size

Contents

Above numbers 11, 12, 13 and

an exclusive grease pack.

Replacement parts: Seal kits (single acting)

Kit no.

CUJB4-S-PS

CUJB6-S-PS

CUJB8-S-PS

CUJB10-S-PS

Bore size

Contents

Above number 11 and

an exclusive grease pack.

Parts list

No. Description

Cylinder tube

Rod cover

Piston

Piston rod

Seal retainer

Magnet retainer

Return spring

Bronze element

Magnet

Rod end nut

Piston seal

Rod seal

Tube gasket

Material

Aluminum alloy

Bronze alloy

Stainless steel

Aluminum alloy

Stainless steel

Aluminum alloy

Piano wire

Sintered metal BC

––

Steel

NBR

Note

Hard anodized

Electroless nickel plated

Chromated

CUJB4 only

Chromated

Nickel plated

Without switch

With switch

Mini Free-mount Cylinder

Series CUJ

Dimensions for ø4 Double Acting/Single Acting

Without magnet/CUJB4

12.5

1.6

ø2

M2 x 0.4

Width across flats 4

2.5

Element

Single acting

4.6

M2 x 0.4

1.6

Rod end nut part no.: NTJ-004

Rod end male thread

Note) The angular position of the width across flats is not fixed with respect to the tube.

2-ø2.8 through

18.5 + Stroke

13 + Stroke

63.5

7.5 + Stroke 2-ø2.8 through

Width across flats 5

2-M3 x 0.5

(bore size)

2.5

7.57.5

ø6h9

ø2

2.5

Series CUJ

Single acting

Rod end nut part no.: NTJ-006A

Rod end male thread

Element

12.5

6.5

5.5

2.4

ø4

ø9h9

M3 x 0.5

Width across flats 5.5

Width across flats 3.5

2.5

5.5

6.4

M3 x 0.5

2.4

2-ø3.3 through 2-ø3.3 through

Width across flats 8

2-M3 x 0.5

(bore size)

M2.5 x 0.45 effective depth 5

19 + Stroke

13 + Stroke

6.5 + Stroke3

63.5

ø4

ø9h9

Width across flats 3.5

910

2.5

24 + Stroke

18 + Stroke

11.5 + Stroke

[5.3]

[Approx.24]

[Auto switch]

Element

Note) The angular position of the width across flats is not fixed with respect to the tube.

Dimensions for ø6 Double Acting/Single Acting

Without magnet/CUJB6

Built-in magnet/CDUJB6

Ce manuel convient aux modèles suivants

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