CUJ Series Mini Free Mount Cylinder, Bore Size 12 mm / 16 mm / 20 mm – Xi Lanh Khí Nén SMC
Product Description
Xi Lanh Khí Nén SMC
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.
Download
CUJ Series Mini Free Mount Cylinder, Bore Size ø12, ø16, ø20 Specifications – Xi Lanh Khí Nén SMC
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)
Specifications
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.
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
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 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
Basic Information
| Rod Operation Method | Single Rods | Main Body Shape | Plate Cylinder | Additional Function | Standard |
|---|---|---|---|---|---|
| Environment, Applications | Standard | Cushion | Rubber cushion |
CDUJB12-10[D,S] CDUJB12-10[D,S]M
CDUJB12-15D
CDUJB12-15DM
CDUJB12-20D
CDUJB12-20DM
CDUJB12-25D
CDUJB12-25DM
CDUJB12-30D
CDUJB12-30DM
CDUJB12-35D
CDUJB12-35DM
CDUJB12-40D
CDUJB12-40DM
CDUJB16-10[D,S] CDUJB16-10[D,S]M
CDUJB16-15D
CDUJB16-15DM
CDUJB16-20D
CDUJB16-20DM
CDUJB16-25D
CDUJB16-25DM
CDUJB16-30D
CDUJB16-30DM
CDUJB16-35D
CDUJB16-35DM
CDUJB16-40D
CDUJB16-40DM
CDUJB20-10[D,S] CDUJB20-10[D,S]M
CDUJB20-15D
CDUJB20-15DM
CDUJB20-20D
CDUJB20-20DM
CDUJB20-25D
CDUJB20-25DM
CDUJB20-30D
CDUJB20-30DM
CDUJB20-35D
CDUJB20-35DM
CDUJB20-40D
CDUJB20-40DM
