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- > No.000038 Positioning and Stopper Mechanism for Pallet Transfer
No.000038 Positioning and Stopper Mechanism for Pallet Transfer
193
193
Stopper + lifter positioning mechanism
Relevant category
Miniature Conveyor
| Product name | Plastic Chain Conveyors Dual Track, End Drive, 3-Slot Frame (Sprocket Dia. 57mm) |
|---|---|
| Part number | CVSPA-200-1200-25-S200-IM-25-D-B |
| Features | Since there are two rows of conveyor surfaces, sensors and stoppers can be mounted in between the belts. Use of Plastic Chains prevents scratches, and makes for easy maintenance. |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
Dual belt track design.
Available sizes
■Plastic Chain Conveyors Dual Track, End Drive, 3-Slot Frame (Sprocket Dia. 57mm)
| Material | Surface treatment | |
|---|---|---|
| Frame | Aluminum material | Anodize |
| Motor cover | Low Carbon Steel | Paint |
| Pulley holder | 5052 Aluminum Alloy | Gold anodize |
| Plastic chain | Polyacetal | - |
Basic specifications
| Belt width | Distance between sprockets | Motor selection | |||
|---|---|---|---|---|---|
| Output (W) | Voltage (V) | Specifications | Gearhead reduction ratio | ||
| 80-300 | 300-3000 | 25、40 | *notes | 5、7.5、9、12.5、15、18、 25、30、36、50、60、75、 90、100、120、150、180 | |
Performance info.
■Conveyor transfer capacity (Plastic chain conveyor)
Cylinder with twin guides
| Product name | Cylinders with Twin Guides |
|---|---|
| Part number | MGCLF25-30 |
| Features | Cylinders with dual guide rods |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
Compact, guided cylinder design.
Available sizes
■Cylinder with guides (Fixed stroke type)
| Tube I.D. | Bearing | Plain bearing | Linear bushing bearing | Cylinder width | Overall length (Value + 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 are sold separately
Accuracy Info
■Non-Rotational Accuracy of guided cylinder
Non-Rotational accuracy: Looseness by guide rod and bearing clearance represented in a rotation angle centered on the piston rod.
| Tube I.D. | Non-rotating accuracy of tip link bar | |
|---|---|---|
| Plain bearing | Linear bushing | |
| 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.
■Theoretical thrust
(N)
| Tube I.D. | Operating 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
Shows the dynamic allowable value when rotational torque T is applied to the tips of the guide rod.
(N･m)
| Tube I.D. | Bearing Type | Stroke | |||||||
|---|---|---|---|---|---|---|---|---|---|
| 10 | 20 | 25 | 30 | 40 | 50 | 75 | 100 | ||
| φ12 | Plain 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 | Plain 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 | Plain 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 | Plain 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 | Plain bearing | - | - | 6.71 | - | - | 5.24 | 4.30 | 3.64 |
| Linear bushing | - | - | 3.61 | - | - | 2.55 | 6.48 | 5.41 | |
| φ50 | Plain bearing | - | - | 13.0 | - | - | 10.8 | - | 10.6 |
■ Allowable lateral load
Shows the dynamic allowable value when lateral load W (perpendicular to guide rod) is applied to the tips of guide rod.
（N)
| Tube I.D. | Bearing type | Stroke | |||||||
|---|---|---|---|---|---|---|---|---|---|
| 10 | 20 | 25 | 30 | 40 | 50 | 75 | 100 | ||
| φ12 | Plain bearing | 24 | 19 | - | 16 | 14 | 12 | 37 | 31 |
| Linear bushing | 20 | 15 | - | 12 | 33 | 29 | 19 | 16 | |
| φ16 | Plain bearing | 40 | 33 | - | 28 | 24 | 21 | 55 | 46 |
| Linear bushing | 33 | 26 | - | 21 | 50 | 44 | 34 | 28 | |
| φ20 | Plain bearing | - | 52 | - | 45 | 39 | 35 | 55 | 46 |
| Linear bushing | - | 41 | - | 34 | 77 | 69 | 54 | 45 | |
| φ25 | Plain bearing | - | 69 | - | 60 | 52 | 47 | 73 | 62 |
| Linear bushing | - | 61 | - | 51 | 115 | 104 | 82 | 68 | |
| φ32 | Plain bearing | - | - | 166 | - | - | 131 | 107 | 91 |
| Linear bushing | - | - | 90 | - | - | 34 | 162 | 135 | |
| φ50 | Plain bearing | - | - | 296 | - | - | 245 | - | 241 |
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Application Overview
Purpose
- Pallet stop & lift mechanism on belt conveyor.
Target workpiece
- Plastic case size: W120 x D220 x H20mm
- Pallet size: W218 x D300 x t12mm
Design Specifications
Operating Conditions or Design Requirements
- Conveyor size: W283 x D1270 x H185mm
- Conveyor speed: 150mm/s
- Workpiece positioning cylinder stroke: 30mm, Stopper cylinder stroke: 20mm
Required Performance
- Pallet positioning accuracy: ±0.3mm
Selection Criteria for Main Components
- Dual track conveyor is selected so that stop & lift cylinders can be placed below the transfer surface.
Design Evaluation
Verification of main components
- Select cylinder size based on function.
- Cylinder bore DIA. selection
- <Workpiece positioning section>
Pallet Lift Cylinder
App. condition: Vertical mounting
Conditional value:
Load mass M = 0.125kg, Gravitational acceleration g = 9.8m/s²
Actual load F = Mg → F= 0.5 x 9.8 = 4.9N
Operating pressure P = 0.4MPa
From Load ratio η=50%
Cylinder force needed F0 = (F / η) × 100 = (4.9/ 50) × 100 = 9.8N
Cylinder Bore Dia. is determined based on cylinder force, F0 = A x P
Where A (mm²) – cylinder pressure area
A=(πDO2)/4
DO=√(1.274 × F0 / P) therefore DO=√(1.274 × 9.8 / 0.4) = 5.59mm → Cylinder bore selected : 25mm - <Stopper>
Pallet Stop Cylinder
App. condition: Vertical mounting
Conditional value:
Load mass M = 0.125kg, Gravitational acceleration g = 9.8m/s²
Actual load F = Mg → F= 0.125 x 9.8 = 1.225N
Operating pressure P = 0.4MPa
From Load ratio η=50%
Cylinder force needed F0 = (F / η) × 100 = (1.225/ 50) × 100 = 2.45N
Cylinder Bore Dia. is determined based on cylinder force, F0 = A x P
Where A (mm²) – cylinder pressure area
A=(πDO2)/4
DO=√(1.274 × F0 / P) therefore DO=√(1.274 × 2.45 / 0.4) = 2.79mm → Cylinder bore selected : 16mm
- <Workpiece positioning section>
Other Design Consideration
- If necessary, use feed fingers to prevent pallet backflow.
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