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- > No.000049 Workpiece Seating Correction Unit
No.000049 Workpiece Seating Correction Unit
103
103
Corners of workpiece are pushed down for seating correction
Relevant category
Cylinder with guides
| Product name | Cylinders with Twin Guides |
|---|---|
| Part number | MGCLB12-30 |
| Features | Cylinders having the guides on both ends for usability. |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
Suitable as a workpiece lifting motion source.
Risk info.
Insufficient speed
Available sizes
■Cylinder with guides (Fixed stroke type)
| Tube I.D. | Bearing | Slide bearing | Linear bushing bearing | Cylinder width | Overall length (Below+St) | Thickness | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| St | 10 | 20 | 25 | 30 | 40 | 50 | 75 | 100 | 10 | 20 | 25 | 30 | 40 | 50 | 75 | 100 | ||||
| φ12 | ○ | ○ | － | ○ | ○ | ○ | ○ | ○ | ○ | ○ | － | ○ | ○ | ○ | ○ | ○ | 56 | 39 | 22 | |
| φ16 | ○ | ○ | － | ○ | ○ | ○ | ○ | ○ | ○ | ○ | － | ○ | ○ | ○ | ○ | ○ | 62 | 43 | 25 | |
| φ20 | － | ○ | － | ○ | ○ | ○ | ○ | ○ | － | ○ | － | ○ | ○ | ○ | ○ | ○ | 72 | 47 | 30 | |
| φ25 | － | ○ | － | ○ | ○ | ○ | ○ | ○ | － | ○ | － | ○ | ○ | ○ | ○ | ○ | 86 | 47.5 | 38 | |
| φ32 | － | － | ○ | － | － | ○ | ○ | ○ | － | － | ○ | － | － | ○ | ○ | ○ | 112 | 48 | ||
| φ50 | － | － | ○ | － | － | ○ | － | ○ | － | － | － | － | － | － | － | － | 146 | 72 | 60 | |
*Sensor sold separately
Accuracy Info
■Non-rotation accuracy of cylinder with guides
Non-rotation accuracy: Play due to a clearance between the guide rod and the bearing represented as a runout angle centered about the piston rod.
| Tube I.D. | Non-rotating accuracy of tip link bar | |
|---|---|---|
| Slide bearing | Linear bushing bearing | |
| φ12 | ±0.12° | ±0.06° |
| φ16 | ±0.10° | ±0.06° |
| φ20 | ±0.09° | ±0.05° |
| φ25 | ±0.08° | ±0.05° |
| φ32 | ±0.06° | ±0.04° |
| φ50 | ±0.05° | － |
Performance info.
■Cylinder with guides operational pressure range
Min.operating pressure(MPa)： 0.1
Max.operating pressure(MPa)： 1.0
Proof pressure(MPa)： 1.5
■Theoretical thrust
(N)
| Tube I.D. | Operation direction | Operating pressure (MPa) | |
|---|---|---|---|
| 0.4 | 0.5 | ||
| φ12 | Push | 45 | 57 |
| Pull | 34 | 42 | |
| φ16 | Push | 80 | 101 |
| Pull | 60 | 75 | |
| φ20 | Push | 126 | 157 |
| Pull | 94 | 118 | |
| φ25 | Push | 196 | 245 |
| Pull | 151 | 189 | |
| φ32 | Push | 322 | 402 |
| Pull | 241 | 302 | |
| φ50 | Push | 785 | 982 |
| Pull | 660 | 825 | |
■Allowable rotational torque
Indicates a dynamic allowable value when a cylinder is operated with a torque applied on the tip of guide rod.
(N･m)
| Tube I.D. | Bearing part number | Stroke | |||||||
|---|---|---|---|---|---|---|---|---|---|
| 10 | 20 | 25 | 30 | 40 | 50 | 75 | 100 | ||
| φ12 | Slide bearing | 0.50 | 0.40 | - | 0.33 | 0.28 | 0.25 | 0.77 | 0.65 |
| Linear bushing | 0.41 | 0.31 | - | 0.25 | 0.69 | 0.59 | 0.40 | 0.32 | |
| φ16 | Slide bearing | 0.91 | 0.75 | - | 0.64 | 0.56 | 0.49 | 1.25 | 1.06 |
| Linear bushing | 0.76 | 0.60 | - | 0.49 | 1.14 | 1.02 | 0.79 | 0.65 | |
| φ20 | Slide bearing | - | 1.43 | - | 1.23 | 1.08 | 0.96 | 1.51 | 1.27 |
| Linear bushing | - | 1.12 | - | 0.93 | 2.12 | 1.90 | 1.50 | 1.24 | |
| φ25 | Slide bearing | - | 2.26 | - | 1.94 | 1.71 | 1.52 | 2.38 | 2.00 |
| Linear bushing | - | 1.98 | - | 1.65 | 3.75 | 3.37 | 2.68 | 2.22 | |
| φ32 | Slide bearing | - | - | 6.71 | - | - | 5.24 | 4.30 | 3.64 |
| Linear bushing | - | - | 3.61 | - | - | 2.55 | 6.48 | 5.41 | |
| φ50 | Slide bearing | - | - | 13.0 | - | - | 10.8 | - | 10.6 |
■ Allowable lateral load
Dynamic allowable value when a cylinder is operated with lateral load W (perpendicular to the guide rod) at the tip of guide rod.
（N)
| Tube I.D. | Bearing type | Stroke | |||||||
|---|---|---|---|---|---|---|---|---|---|
| 10 | 20 | 25 | 30 | 40 | 50 | 75 | 100 | ||
| φ12 | Slide bearing | 24 | 19 | - | 16 | 14 | 12 | 37 | 31 |
| Linear bushing | 20 | 15 | - | 12 | 33 | 29 | 19 | 16 | |
| φ16 | Slide bearing | 40 | 33 | - | 28 | 24 | 21 | 55 | 46 |
| Linear bushing | 33 | 26 | - | 21 | 50 | 44 | 34 | 28 | |
| φ20 | Slide bearing | - | 52 | - | 45 | 39 | 35 | 55 | 46 |
| Linear bushing | - | 41 | - | 34 | 77 | 69 | 54 | 45 | |
| φ25 | Slide bearing | - | 69 | - | 60 | 52 | 47 | 73 | 62 |
| Linear bushing | - | 61 | - | 51 | 115 | 104 | 82 | 68 | |
| φ32 | Slide bearing | - | - | 166 | - | - | 131 | 107 | 91 |
| Linear bushing | - | - | 90 | - | - | 34 | 162 | 135 | |
| φ50 | Slide bearing | - | - | 296 | - | - | 245 | - | 241 |
CCTV lens
| Product name | CCTV Lenses |
|---|---|
| Part number | MLCV12 |
| Features | Lenses Applicable for use of Narrow Range Examinations in Close-up.. |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
A camera mounted lens used to examine the products.
Risk info.
Due to variations in cameras some trial and error will be required to select proper lens.
Available sizes
■Mega pixel CCTV lens
Body material: Aluminum
Surface treatment: Black anodize
| Focal point | Iris | Largest compatible CCD | Shooting distance WD(mm) | TV distortion | Overall length | Body O.D. | Connecting mechanism | Weight(g) |
|---|---|---|---|---|---|---|---|---|
| 6 | 1.4-close | 1/2 inch | 200-∞ | −0.96％ | 37.5 | φ32 | C mount | 68 |
| 8 | 1.4-close | 2/3 inch | 100-∞ | −0.10％ | 28.2 | φ33.5 | 70 | |
| 12 | 1.4-close | 2/3 inch | 150-∞ | −0.10％ | 28.2 | 65 | ||
| 16 | 1.4-close | 2/3 inch | 300-∞ | −0.10％ | 28.2 | 65 | ||
| 25 | 1.4-close | 2/3 inch | 250-∞ | −0.30％ | 31.5 | φ29 | 45 | |
| 35 | 2.0-close | 2/3 inch | 250-∞ | −0.02％ | 38.5 | 55 | ||
| 50 | 2.8-close | 2/3 inch | 500-∞ | −0.20％ | 38.5 | 55 |
Selection steps
■Mega-pixel CCTV lens selection steps
- Determine the application conditions
- Camera used, shooting distance (WD), Field of view (Subject), etc.
↓
- Calculate the focal length
- Focal length (mm) = Shooting distance (WD) x CCD element size / Actual field of view
↓
- Temporary selection of compatible lens
- Temporarily select a lens with focal distance with approx. calculated value.
↓
- Confirmation of required conditions
- Verify that the field of view and subject resolution of the temporarily selected lens satisfies the conditions.
If not, consider using auto-extension ring.
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CAD Download (Unit Assembly)
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* The part in the frame is a sub-assembly unit.
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It is configured so that each sub-assembly unit can be used as it is or edited.
Application Overview
Purpose
- Perform visual inspection on mechanical components such as small gears.
Target workpiece
- Plastic gears
- Workpiece size: φ34, Height 29 mm
Design Specifications
Operating Conditions or Design Requirements
- External dims: 320 x 320 x 341 mm
- Overall height: 341 mm
- Up/down stroke: 30 mm
- Feed stroke: 50 mm
Operating Conditions or Design Requirements
- Component feed position accuracy: ±0.5
Selection Criteria for Main Components
- This design has a more compact design footprint than the conventional guided cylinder design by 50%.
Design Evaluation
Verification of main components
- Select cylinder tube DIA. from load conditions, and select a camera・lens from inspection resolution requirements.
- Selection of air cylinder tube I.D.
- App. condition: Horizontal mount
- Conditional value: Load mass M = 0.5 kg
Friction coefficient μ = 0.2
Gravitational acceleration g = 9.8 m/s², then - Actual load F = μMg = 0.2 × 0.5 × 9.8 = 0.98N
- Operating pressure P =0.4 MPa
- Load ratio η=50%, then
Required cylinder force F0 = (F / η) × 100 = (0.98 / 50) × 100 = 1.96N - Cylinder tube I.D. DO = √(1.274 × FO / P) = √(1.274 × 1.96 / 0.4) = 2.50mm
→ 12mm cylinder I.D. is OK
- Selection of cylinder with guides I.D.
- App. condition: Vertical mount
- Conditional value: Load mass M = 0.21 kg
Gravitational acceleration g = 9.8 m/s², then
Actual load F = Mg = 0.21 × 9.8 = 2.06N
Operating pressure P =0.4 MPa
Load ratio η=50%, then - Required cylinder force F0 = (F / η) × 100 = (2.06 / 50) × 100 = 4.12N
- Cylinder tube I.D. DO = √(1.274 × FO /P) = √(1.274 × 4.12 / 0.4) = 3.62mm
→ 12mm cylinder I.D. is OK
- Selection of camera, lens
- Condition: Inspected subject: Gear Dims 34mm
: Defects of 0.1mm or larger - Selected camera: 1/1.8 inch, 1,920,000 pixels (1600 x 1200)
From catalog (1/1.8 ≒ 1/2)
Field of view 42 x 56 (workpiece shape is satisfied)
WD90mm lens and extension ring are selected.
⇒ One pixel = 0.035mm (56mm = 1600 pixels)
・0.1mm can be inspected.
- Condition: Inspected subject: Gear Dims 34mm
Other Design Consideration
- Cylinder with guides and air slide table are used for moving the components under the guide.
- If the component is unstable at the lifting position add a component position recognition sensor, to allow for safer transport.
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