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No.000158 Clamp that utilises cam followers
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Motion of the clamp is guided by cam followers
Related Category
Roller Followers
| Product name | Roller Followers/Solid |
|---|---|
| Part number | NARTUC5 |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
Selecting the needle structure type that is hard to separate, for the concern of possible excessive load applied at clamp timing.
Available sizes
■Roller Followers - Solid
| Grease | No Seal | With Seal | Material | ||
|---|---|---|---|---|---|
| Crowned | Flat Type | Crowned | Flat Type | ||
| General | ○ | ○ | ○ | ○ | EN 1.3505 Equiv. |
| ○ | - | ○ | ○ | EN 1.4125 Equiv. | |
| Low Rebound | - | - | ○ | - | |
■Sizes and Dimensions
No Seal
| O.D. (mm) | I.D. (mm) | Thickness(mm) |
|---|---|---|
| 16 | 5 | 11 |
| 19 | 6 | |
| 24 | 8 | 14 |
| 30 | 10 | |
| 32 | 12 |
With Seal
| O.D. (mm) | I.D. (mm) | Thickness(mm) |
|---|---|---|
| 16 | 5 | 11 |
| 19 | 6 | |
| 24 | 8 | 14 |
| 30 | 10 | |
| 32 | 12 | |
| 35 | 15 | 18.0 |
| 40 | 17 | 20.0 |
| 47 | 20 | 24.0 |
Accuracy Info
■Accuracy Information of Roller Followers
- Shaft Dia. Tolerance:
- 0
-0.008(mm)
- Roller Dia. Tolerance:
- 0
-0.005(mm)
Performance info.
■Speeds･Loads (Load info.) of roller followers
No Seal
| I.D. - O.D. | Basic Dynamic Load Rating C (kN) | Basic Static Load Rating Cor (kN) | Track Load Capacity (kN) | Max. Rotational Speed (rpm) | |||
|---|---|---|---|---|---|---|---|
| Crowned | Flat Type | Crowned | Flat Type | Crowned | Flat Type | ||
| Ø5-Ø16 | 2.84 | 6.46 | 2.65 | 7.81 | 1.08 | 25000 | 10500 |
| Ø6-Ø19 | 3.33 | 7.58 | 3.35 | 10.2 | 1.37 | 20000 | 8700 |
| Ø8-Ø24 | 5.68 | 11.7 | 5.89 | 15.6 | 1.86 | 17000 | 7000 |
| Ø10-Ø30 | 7.94 | 15.8 | 7.59 | 18.5 | 2.45 | 15000 | 5700 |
| Ø12-Ø32 | 8.53 | 17.0 | 8.44 | 21.0 | 2.74 | 13000 | 5200 |
With Seal
| I.D. - O.D. | Basic Dynamic Load Rating C (kN) | Basic Static Load Rating Cor (kN) | Track Load Capacity (kN) | Max. Rotational Speed (rpm) | |||
|---|---|---|---|---|---|---|---|
| Crowned | Flat Type | Crowned Type | Flat Type | Crowned Type | Flat Type | ||
| Ø5-Ø16 | 2.84 | 6.46 | 2.65 | 7.81 | 1.08 | 10000 | 4200 |
| Ø6-Ø19 | 3.33 | 7.58 | 3.35 | 10.2 | 1.37 | 8000 | 3480 |
| Ø8-Ø24 | 5.68 | 11.7 | 5.89 | 15.6 | 1.86 | 6800 | 2800 |
| Ø10-Ø30 | 7.94 | 15.8 | 7.59 | 18.5 | 2.45 | 6000 | 2280 |
| Ø12-Ø32 | 8.53 | 17.0 | 8.44 | 21.0 | 2.74 | 5200 | 2080 |
| Ø15-Ø35 | 13.7 | 25.3 | 16.4 | 36.9 | 3.14 | 4000 | 1720 |
| Ø17-Ø40 | 17.4 | 32.0 | 19.3 | 46.6 | 3.72 | 3800 | 1560 |
| Ø20-Ø47 | 22.9 | 41.7 | 30.6 | 67.7 | 7.15 | 3200 | 1360 |
Roller Follower Pins Threaded
| Product name | Roller Follower Pins/Threaded |
|---|---|
| Part number | FSRFN5-25-F6 |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
It is easy to install because one side has a head.
Available sizes
■Roller Follower Pins (Threaded)
| Material | Surface Treatment |
|---|---|
| EN 1.1191 Equiv. | Black Oxide |
| EN 1.4301 Equiv. | - |
■Sizes and Dimensions
| Pin Dia. (mm) | Pin Length (mm) | Thread Length (mm) |
|---|---|---|
| 5 | 20, 25, 30 | 14 |
| 6 | 30, 32, 34, 36 | |
| 8 | 30, 32, 34, 36, 38 | 16 |
| 10 | 36, 38, 42 | 19 |
| 12 | 38, 42, 46 | 22 |
| 15 | 38, 42, 46, 50 | 25 |
| 17 | 28 | |
| 20 | 38, 42, 46, 50, 54 | 31 |
Hinge Pin
| Product name | Precision Pivot Pins/Flanged/Hex Socket Head/Threaded with Lock Nut |
|---|---|
| Part number | SCLBR4-20 |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
It enables one to obtain the components that normally require large amount of machining such as flange by ready-made products.
Available sizes
■Hinge Pins - Flanged, Hex Socket Head, Threaded with Lock Nut
| Material | Hardness | Surface Treatment | Included nut material | |
|---|---|---|---|---|
| Standard nut | U nut | |||
| EN 1.1191 Equiv. | - | Black Oxide | JIS-SWRCH | EN 1.0038 Equiv. |
| 40 ~ 45HRC | ||||
| - | Electroless Nickel Plating | EN 1.4301 Equiv. | EN 1.4301 Equiv. | |
| 40 ~ 45HRC | ||||
| Plating hardness 750HV - | Hard Chrome Plating Plating Thickness 3 μm or more | JIS-SWRM | EN 1.0038 Equiv. | |
| EN 1.4301 Equiv. | - | - | EN 1.4301 Equiv. | EN 1.4301 Equiv. |
| EN 1.4125 Equiv. | 45 ~ 50HRC | |||
| 45 ~ 50HRC Plating hardness 750HV - | Hard Chrome Plating Plating Thickness 3 μm or more | |||
■Sizes and Dimensions
| Pin Dia. | Pin section length (Configurable in 0.1 mm increment) | Head O.D. | Head Height | Thread Length | Thread Dia. X Pitch |
|---|---|---|---|---|---|
| Ø4 | 10.0- 50.0 | Ø7 | 5 | 6 | M3 x 0.5 |
| Ø5 | 10.0- 60.0 | Ø9 | M4 x 0.7 | ||
| Ø6 | 10.0-100.0 | Ø10 | 9 | M5 x 0.8 | |
| Ø8 | 10.0-100.0 | Ø13 | M6 x 1.0 | ||
| Ø10 | Ø16 | 12 | M8 x 1.25 | ||
| Ø12 | 10.0-200.0 | Ø18 | 16 | M10 x 1.5 | |
| Ø13 | 20.0-200.0 | Ø24 | 18 | M12 x 1.75 | |
| Ø14 | |||||
| Ø15 | |||||
| Ø16 | 20.0-200.0 | ||||
| Ø17 | |||||
| Ø18 | 24 | ||||
| Ø20 | Ø27 | M16 x 2.0 | |||
| Ø22 | 20.0-200.0 | ||||
| Ø25 | Ø30 |
Accuracy Info
■Pivot pin, Flanged with Hex socket, Tapped: Pin Dia. tolerance (g6)
| Pin Dia. | Tolerance |
|---|---|
| Ø4-Ø6 | -0.004 -0.012 |
| Ø8 ･ Ø10 | -0.005 -0.014 |
| Ø12-Ø18 | -0.006 -0.017 |
| Ø20 ･ Ø22 ･ Ø25 | -0.007 -0.020 |
IDEA NOTE Cam follower wedge
Cam follower and wedge are used to allow for easy rolling motion and to minimise dust generation.
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Application Overview
Purpose
- Purpose
- To allow for easy clamping of workpiece.
- Operation
- Lift lever arm to clamp workpiece.
- Lower lever arm to release workpiece.
Points for use
- This design is suitable for applications that require low dust generation.
Target workpiece
- Shape: stepped block
- Size: W40 x D38 x H44mm
Design Specifications
Operating Conditions or Design Requirements
- Clamp angle when fixed：52°
- Outer dimensions: W62 x D226 x H187mm
Selection Criteria for Main Components
- To reduce the friction coefficient, the same material is employed in the roller follower and the plate cam and Wedge.
Design Evaluation
Verification of main components
- The tightening force during workpiece clamping is verified.
- Tightening force during workpiece clamping
- Conditional value: Wedge tip θ1 = 14°, friction coefficient μ = 0.4, wedge driving force F1 = 3kgf, gravitational acceleration g = 9.8m/s²
- The tightening force during clamping (face pressure on plate cam) F2 is
F2 = F1/(2 x (μ x cosθ + sinθ)) therefore, F2 = 3 x 9.8/(2 x (0.8 x cos14°+ sin14°)) = 23N
Other Design Consideration
- Wedge mechanism was also designed to lock arm position when clamping workpiece.
- The mechanism in this application example operates with a clamping movement from the bottom to the top.
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