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No.000109 Feeding Mechanism
34
34
Stops and separates round bars in one step.
Related Category
Cam Followers
| Product name | Cam Followers/Flat Type/No Seal |
|---|---|
| Part number | CFFR5-13 |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
Suitable as a joint part of link mechanism.
Available sizes
■Cam Followers - Flat Type - No Seal
| Purpose | Main Body | Nut | |||
|---|---|---|---|---|---|
| Material | Seal | Material | Surface Treatment | ||
| N/A | Yes | ||||
| General | EN 1.3505 Equiv. | ○ | ○ | EN 1.1191 Equiv. | Black Oxide |
| EN 1.4125 Equiv. | ○ | ○ | EN 1.4301 Equiv. | - | |
| Low particle generation | - | ○ | |||
■Sizes and Dimensions.
| Stud Dia. | Thread Dia. x Pitch | Outer Ring Dia. | Outer race width | Overall Length |
|---|---|---|---|---|
| Ø5 | M5 x 0.8 | Ø13 | 9 | 23 |
| Ø6 | M6 x 1.0 | Ø16 | 11 | 28 |
| Ø8 | M8 x 1.25 | Ø19 | 11 | 32 |
| Ø10 | M10 x 1.25 | Ø22 | 12 | 36 |
| Ø26 | ||||
| Ø12 | M12 x 1.5 | Ø30 | 14 | 40 |
| Ø32 | ||||
| Ø16 | M16 x 1.5 | Ø35 | 18 | 52 |
| Ø18 | M18 x 1.5 | Ø40 | 20 | 58 |
| Ø20 | M20 x 1.5 | Ø52 | 22 | 66 |
Accuracy Info
■Cam follower accuracy
Stud Dia. Tolerance: h7
Outer ring Width Tolerance: 0/-0.12.
Outer ring DIA. Tolerance:
| Outer Ring Dia. | Tolerance |
|---|---|
| Ø13 | 0/-0.008 |
| Ø16 | |
| Ø19 | 0/-0.009 |
| Ø22 | |
| Ø26 | |
| Ø30 | |
| Ø32 | 0/-0.011 |
| Ø35 | |
| Ø40 | |
| Ø52 | 0/-0.013 |
Performance info
■Load capacity and rotation speed of cam follower
| Stud Dia. -Outer Ring Dia. | Basic Dynamic Load Rating C (kN) | Basic Static Load Rating Cor (kN) | Max. Allowable Load (kN) | Track Load Capacity (kN) | Rotational speed limit (rpm) | |
|---|---|---|---|---|---|---|
| With Seal | Without Seal | |||||
| Ø3-Ø10 | 1.47 | 1.18 | 0.36 | 1.37 | 32900 | 47000 |
| Ø4-Ø12 | 2.06 | 2.05 | 0.78 | 1.76 | 25900 | 37000 |
| Ø5-Ø13 | 3.14 | 2.77 | 1.42 | 2.25 | 20300 | 29000 |
| Ø6-Ø16 | 3.59 | 3.58 | 2.11 | 3.43 | 17500 | 25000 |
| Ø8-Ø19 | 4.17 | 4.65 | 4.73 | 4.02 | 14000 | 20000 |
| Ø10-Ø22 | 5.33 | 6.78 | 5.81 | 4.7 | 11900 | 17000 |
| Ø10-Ø26 | 5.49 | |||||
| Ø12-Ø30 | 7.87 | 9.79 | 9.37 | 7.06 | 9800 | 14000 |
| Ø12-Ø32 | 7.45 | |||||
| Ø16-Ø35 | 12 | 18.3 | 17.3 | 11.2 | 7000 | 10000 |
| Ø18-Ø40 | 14.7 | 25.2 | 26.1 | 14.4 | 5950 | 8500 |
| Ø20-Ø52 | 20.7 | 34.8 | 32.1 | 23.2 | 4900 | 7000 |
Shaft Collar
| Product name | Shaft Collars/With Counterbored Holes |
|---|---|
| Part number | PSCSG10-15 |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
Select the counterbored type to maintain the workability of the mounting screws when adjusting the position of shaft clamps.
Available sizes
■Shaft Collars - With Counterbored Holes
| Material | Surface Treatment |
|---|---|
| EN 1.1191 Equiv. | Black Oxide |
| Electroless Nickel Plating | |
| EN 1.4301 Equiv. | - |
■Sizes and Dimensions.
| Shaft Bore I.D. | Overall Thickness (width) | O.D. | Fastening Screw DIA. (Coarse) | For Screw Hole | |
|---|---|---|---|---|---|
| Pitch | Hole Dia. | ||||
| Ø6 | 8 | Ø24 | M3 | 15 | Ø3.5 |
| 10 | M4 | ||||
| Ø8 | 8 | Ø25 | M3 | 17 | |
| 10 | Ø28 | M4 | 18 | Ø4.5 | |
| Ø10 | Ø33 | 22 | Ø5.5 | ||
| 12 | M5 | ||||
| 15 | Ø36 | M6 | 23 | Ø6.6 | |
| Ø12 | 10 | Ø35 | M4 | 24 | Ø5.5 |
| 12 | M5 | ||||
| 15 | Ø38 | M6 | 25 | Ø6.6 | |
| Ø13 | 10 | Ø33 | M4 | 23 | Ø4.5 |
| 12 | Ø36 | M5 | 25 | Ø5.5 | |
| 15 | M6 | ||||
| Ø15 | 12 | Ø38 | M5 | 27 | |
| 15 | Ø40 | M6 | 28 | Ø6.6 | |
| Ø16 | 10 | Ø36 | M5 | 26 | Ø4.5 |
| 12 | Ø38 | 28 | Ø5.5 | ||
| 15 | Ø42 | M6 | 29 | Ø6.6 | |
| Ø20 | 12 | M5 | 32 | Ø5.5 | |
| 15 | Ø45 | M6 | 33 | Ø6.6 | |
| 20 | |||||
| Ø25 | 12 | Ø48 | M5 | 37 | Ø5.5 |
| 15 | Ø50 | M6 | 38 | Ø6.6 | |
| Ø30 | Ø55 | 43 | |||
| Ø35 | Ø60 | 48 | |||
| Ø40 | 18 | Ø78 | M8 | 60 | Ø9 |
| Ø50 | 22 | Ø88 | M10 | 71 | Ø11 |
Accuracy Info.
■Accuracy of shaft collars.
| I.D. Tolerance | +0.05/+0.01 |
|---|---|
| O.D. Tolerance | ±0.1 |
| Overall Thickness (width) Tolerance | ±0.1 |
Knuckle Joints
| Product name | Knuckle Joints/Tapped/Selectable |
|---|---|
| Part number | NJTB6-1.0-B4 |
| Features | Knuckle Joints equipped with Rotation Stopper and compatible with M3~M18 screws regardless of Convex Type or Concave Type. |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
Suitable as a oscillating part of cylinder link mechanism.
Available sizes
■Knuckle Joints - Tapped, Selectable
| Material | Surface Treatment | Convex Shaped | Concave Shaped |
|---|---|---|---|
| EN 1.1191 Equiv. | Black Oxide | ○ | ○ |
| Electroless Nickel Plating | - | ○ | |
| EN 1.4301 Equiv. | - | ○ | ○ |
■Sizes and Dimensions.
| Thread Dia. x Pitch | Joint Parts | Hole Dia. | Overall Length | Overall thickness | Width |
|---|---|---|---|---|---|
| Thickness (width) | |||||
| M3 x 0.5 | 4 ･ 5 | Ø4 | 20 | 10 | 10 |
| M4 x 0.7 | 5 ･ 6 | Ø5 | 25 | ||
| M5 x 0.8 | 12 | 12 | |||
| M6 x 1.0 | 4 ･ 6 | ||||
| M8 x 1.0 | 5 ･ 8 | Ø8 | 35 | 16 | 16 |
| M8 x 1.25 | |||||
| M10 x 1.25 | 6 ･ 10 | Ø10 | 20 | 20 | |
| M10 x 1.5 | |||||
| M12 x 1.25 | 8 ･ 10 | Ø12 | 40 | 22 | 22 |
| M12 x 1.5 | |||||
| M14 x 1.5 | 10 ･ 12 | 50 | 25 | 25 | |
| M16 x 1.5 | 55 | ||||
| M18 x 1.5 | 12 ･ 14 | 28 | 28 |
IDEA NOTE Separates cylindrical workpieces by means of a single actuator.
By setting the claw rotation center positions, claw opening amount and stopper position with ingenuity, separation action by a single actuator is made possible.
The claws rotate to release the lowermost workpiece and stop the next workpiece.
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Application Overview
Purpose
- Purpose
- To separate and transfer cylindrical workpieces.
- Operation
- The electric actuator is used to operate the arm and claws, which separate the workpieces one by one.
Target workpiece
- Aluminum roller.
- Size: Ø20 x L200mm.
- Weight: 170g.
Design Specifications
Operating Conditions or Design Requirements
- Claw rotation angle: 10°
- Cylinder stroke: 30mm.
Selection Criteria for Main Components
- An electric cylinder with a 30mm stroke is selected to rotate the claws by 10 degrees.
Design Evaluation
Verification of main components
- Verify whether the robot cylinder has a speed high enough to make the cam perform workpiece separation.
- Confirmation of robot cylinder speed.
- Conditional value: gravitational acceleration g = 9.8N/m², stroke of robot cylinder that rotates cam at rotation angle of 10°: L0 = 29.6mm,
Equation of free-fall motion (when initial velocity is Vo = 0, t = elapsed time [sec], h = displacement amount [m]), velocity: V = G x t, displacement amount: h = 1/2 x t², elapsed time: t = √(2 x h/g)
State (1): The lower part of cam is closed and the lowermost workpiece is stopped.
State (2): The lower part of cam is opened and the lowermost workpiece and the next workpiece start dropping.
State (3): The lower part of the cam is completely opened and the next workpiece is stopped by the stopper.
Displacement amount of next workpiece between state (2) and state (3): h = 4.4mm = 0.0044m,
Stroke of robot cylinder that rotates cam at rotation angle of 0.8° between state (2) and state (3): L1 = 2.37mm,
Elapsed time during this period: t = √(2 x h/g) = √(2 x 0.0044/9.8) = 0.03 sec
Required cylinder speed calculated from robot cylinder stroke and elapsed time: Vs = L1/t = 2.37/0.03 = 79mm/sec
As this speed is within the robot cylinder maximum speed of 100 mm/sec, the next workpiece is stopped and workpiece separation is possible.
- Conditional value: gravitational acceleration g = 9.8N/m², stroke of robot cylinder that rotates cam at rotation angle of 10°: L0 = 29.6mm,
Other Design Consideration
- Due to the lack of an air pressure source, an electric cylinder is used.
- The height of the shoot is designed to be adjusted using the external threads of hex posts and nuts.
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