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Micro Air Cylinder CJP

CJP Pin Cylinder has a compact brass body with an unthreaded stainless-steel piston rod, and it has panel mounting for installation through walls or panels. The CJP Mini Air Cylinder has panel mounting and comes with both mounting and rod end nuts for installations through walls or panels.

Bore: 4, 6, 10, 15mm
Stroke length: 5, 10, 15mm
Operating pressure: 0.2~0.7MPa
Piston speed: 50~500mm/s
Ambient and fluid temperature: -10~+70°C

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Overview for CJP Mini Air Cylinder

Single-acting CJP Pin Cylinder has a compact brass body with an unthreaded stainless-steel piston rod, and it has panel mounting for installation through walls or panels. The CJP Mini Air Cylinder (also called pneumatic cylinder) has a pin-style compact body and a single unthreaded piston rod for linear movement applications with tight space restrictions. The CJP Cylinder's body is crafted in nickel-plated brass for higher corrosion resistance than regular brass, and its piston rod is made of stainless steel to resist corrosion and scaling. The single-acting Mini Pneumatic Cylinder uses airflow through its single air port for rod extension and an internal spring in the cylinder barrel's rod end for rod retraction to produce continued movement. It has nitrile butadiene rubber (NBR) seals to contain air and protect the barrel and piston rod. This CJP Cylinder has panel mounting and comes with both mounting and rod end nuts for installations through walls or panels.

Ordering Code for CJP Mini Air Cylinder (Pin Cylinder)

Specification for CJP Mini Air Cylinder (Pin Cylinder)

Motion Pattern Single acting, Spring return
Maximum operating pressure 0.7 MPa
Minimum operating
pressure
ø4 0.3 MPa
ø6 0.2 MPa
ø10, ø15 0.15 MPa
Proof pressure 1 MPa
Ambient and fluid temperature –10 ~ 70°C (No freezing)
Lubrication Not required (Non-lube)
Piston speed 50 ~ 500 mm/s
Cushion None
Stroke length tolerance +1.0/0
Rod end style With thread/Without thread
Mounting Panel mount type Embedded type
Accessory
(Standard equipment)
Standard equipment Mounting nut (2), Rod end nut (2) * Mounting nut (1), Gasket (1), Rod end nut (2) *
Option Hose nipple (Except ø4)

* When rod end is threaded.

Application Examples for CJP Mini Air Cylinder (Pin Cylinder)

A short stroke miniature cylinder with a shorter overall length.
The installation space can be significantly reduced because this CJP Cylinder can be recessed directly into a machine body or installed on a panel. Thus, the machine can be made more compact.

Made to Order (ø6 to ø15)

Symbol Specifications
XC17 Pin cylinder with rod quenched
XC22 Fluororubber seals

Mounting

Standard Stroke

Bore size (mm) Stroke (mm)
4 5, 10, 15
6 5, 10, 15
10 5, 10, 15
15 5, 10, 15

Mass

Model Stroke (mm)
5 10 15
CJP□4 10 13 15
CJP□6 10.5 13.1 15.6
CJP□10 28 33 38
CJP□15 71 82 92

* Mass of hose nipple (4g) for panel mounting is excluded

Theoretical Output

Bore size
(mm)
Operating
direction
Operating pressure (MPa)
0.3 0.5 0.7
4 OUT 0.97 3.48 6.00
IN 1.0
6 OUT 4.56 10.2 15.9
IN 1.42
10 OUT 17.6 33.3 49.0
IN 2.45
15 OUT 42.2 77.5 113
IN 4.41

Spring Reaction Force

Bore size (mm) Stroke (mm) Retracted side Extended side
4 5, 10, 15 2.80 1.00
6 5, 10, 15 3.92 1.42
10 5, 10, 15 5.98 2.45
15 5, 10, 15 10.80 4.41

* Same spring force for each stroke.

Hose Nipple Dedicated for Panel Mount Type (With fixed orifice)

Applicable tubing Part no.
For ø4/ø2.5 tubing CJ-5H-4
For ø6/ø4 tubing CJ-5H-6

Construction

Component Parts of CJP Cylinder

No. Description Material Note
1 Cover Brass Electroless nickel plated
2 Piston Stainless steel
3 Collar Oil-impregnated sintered alloy ø4 Brass + Electroless nickel plated
ø6, ø10 Bronze
4 Return spring Steel wire Zinc chromated
5 Piston seal NBR
6 Gasket NBR Special product (O-ring) embedded type only
7 Mounting nut Brass Electroless nickel plated
8 Rod end nut Stee Nickel plated

Dedicated Nut / Part No.

Description / Bore 4 6 10 15
Mounting nut SNPS-004 SNPS-006 SNPS-010 SNPS-015
Rod end nut NTJ-004 NTP-006 NTP-010 NTP-015

Replacement Parts / Gasket

Bore size(mm) Order no. Contents
4 CJPS4-G Above no.⑥
6 CJPS6-G
10 CJPS10-G
15 CJPS15-G

* Dedicated for the embedded type.
* For the plug mounting style
* Since gaskets (10 pcs./set) do not include a grease pack (10 g), order it separately.
Grease pack part number: GR-S-005 (5g)

Part no. Bore (mm) d H B C
SNPS-004 4 M8 x 1.0 3 10 11.5
SNPS-006 6 M10 x 1.0 3 12 13.9
SNPS-010 10 M15 x 1.0 4 19 22
SNPS-015 15 M22 x 1.0 5 27 31

Part no. Bore (mm) d H B C
NTJ-004 4 M2 x 0.4 1.6 4 4.6
NTP-006 6 M3 x 0.5 1.8 5.5 6.4
NTP-010 10 M4 x 0.7 2.4 7 8.1
NTP-015 15 M5 x 0.8 3.2 8 9.2

Allowable Kinetic Energy

Caution
When driving an inertial load, operate a cylinder with kinetic energy within the allowable value. The range in the chart below that is delineated by bold solid lines indicates the relation between load mass and maximum driving speeds.

Bore size (mm)
4 6 10 15
Piston speed (m/s) 0.05 ~ 0.5
Allowable kinetic energy (J) 0.5 x10-3 3x10-3 8x10-3 19x10-3

Allowable Lateral Load

Strictly observe the limiting range of lateral load on a piston rod. (Refer to the below graph.) If CJP Cylinder is used beyond the limits, it may shorten the machine life or cause damage.

Dimension (mm)

Recommended Mounting Hole Dimensions for Embedded Type

Bore (mm) Stroke A B C D E F G
4 5 12 8.5 6 3.5 M8 x 1.0 6.5 3
10 20 16.5 14
15 28 24.5 22
6 5 16 12.5 10 3.5 M10 x 1.0 8.5 3
10 23 19.5 17
15 30 26.5 24
10 5 17 13.5 10.5 3.5 M15 x 1.0 12 4
10 23.5 20 17
15 30.5 27 24
15 5 19 14.5 11.5 4.5 M22 x 1.0 19 5
10 25 20.5 17.5
15 31.5 27 24

Note) E and øF should be machined in a concentric manner.

Dimensions: Panel Mount Type

Bore size
(mm)
A B C E F G H K MM NN R S W Z Q
5st 10st 15st 5st 10st 15st 5st 10st 15st
4 6 10 11.5 3 13 21 29 6.5 7.5 - M2×0.4 M8×1.0 7 16 24 32 3 23.5 31.5 39.5 2
6 7 12 13.9 6 12.5 19.5 26.5 8.5 9 3.5 M3×0.5 M10×1.0 9 18.5 25.5 25.5 3 27.5 34.5 41.5 3
10 10 19 22 6 14.5 21 28 12 12 3.5 M4×0.7 M15×1.0 13 20.5 27 34 4 32.5 39 46 5
15 12 27 31 7 16.5 22.5 29 19 14 4.2 M5×0.8 M22×1.0 20 23.5 29.5 36 5 37.5 43.5 50 6

Dimensions: Embedded Type

Bore size
(mm)
A B C E F G H K MM NN R S W Z Q
5st 10st 15st 5st 10st 15st 5st 10st 15st
4 6 10 11.5 3 13 21 29 6.5 7.5 - M2×0.4 M8×1.0 7 16 24 32 3 23.5 31.5 39.5 2
6 7 12 13.9 6 12.5 19.5 26.5 8.5 9 3.5 M3×0.5 M10×1.0 9 18.5 25.5 25.5 3 27.5 34.5 41.5 3
10 10 19 22 6 14.5 21 28 12 12 3.5 M4×0.7 M15×1.0 13 20.5 27 34 4 32.5 39 46 5
15 12 27 31 7 16.5 22.5 29 19 14 4.2 M5×0.8 M22×1.0 20 23.5 29.5 36 5 37.5 43.5 50 6

Piping

Caution
The following fittings are recommended for this cylinder connection. However, there may be a case where the piston speed exceeds 500 mm/sec. even with the recommended fittings for this CJP Cylinder. Use a speed controller in such cases.

Bore size Applicable bore size Fitting type Connection thread Model
ø4 2 One-touch fitting M3 x 0.5 KJ□02-M3
Miniature fitting M-3AU-2
ø6
ø10
ø15
One-touch fitting M5 x 0.8 KJ□02-M5
Miniature fitting M-5AU-2
4/2.5 Dedicated hose nipple
(with fixed orifice)
CJ-5H-4
6/4 CJ-5H-6

* Please be aware that cylinder speed may slow down on the retracting side when using the above one-touch fittings and miniature fittings with a cylinder bore size of ø15.

Hose nipple

In addition to the above fittings and hose nipples, the below fittings can also be attached to the cylinder. When using the below fittings be sure to provide a speed controller after adjusting it to 500 mm/s or less.

Cylinder bore size Applicable bore size Fitting type Connection thread Model
ø4 3.2 One-touch fitting M3 x 0.5 KJ□23-M3
4 KJ□04-M3
ø6
ø10
ø15
3.2 M5 x 0.8 KJ□23-M5
4 KJ□04-M5
6 KJ□06-M5

Recommended Speed Controller

Applicable bore size (mm) Connection thread Elbow type meter-in Universal type meter-in In-line type meter-in
2 M3 AS1211F-M3-02 - AS1001F-02
M5 AS1211F-M5-02 -
3.2 M3 AS1211F-M3-23 AS1311F-M3-23 AS1001F-23
M5 AS1211F-M5-23 AS1311F-M5-23
4 M3 AS1211F-M3-04 AS1311F-M3-04 AS1001F-04
M5 AS1211F-M5-04 AS1311F-M5-04
6 M5 AS1211F-M5-06 AS1311F-M3-04 AS1001F-06

* For details about one-touch fittings, miniature fittings and speed controllers (applicable tubing O.D. ø2 only), refer to the catalog ES50-25 (B edition or later).
Also, for details about speed controllers (applicable tubing O.D. ø3.2 to ø6), refer to Best Pneumatics No. 6.
* Refer to the Fittings and Tubing Precautions (Best Pneumatics No. 6) for how to handle one-touch fittings.

Mounting

Caution
Do not use it in such a way that a load could be applied to the piston rod during the retraction. The spring that is built into the CJP Mini Air Cylinder provides only enough force to retract the piston rod. Thus, if a load is applied, the piston rod may not be able to retract to the end of the stroke.

Keywords:

CJP Cylinder | CJP Mini Air Cylinder | Pin Cylinder