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- > No.000226 Escape-Blocking of Transferred Platen
No.000226 Escape-Blocking of Transferred Platen
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Blocking a workpiece by utilizing V groove.
Relevant category
Cam Follower
| Product name | Cam Followers - Hex Hole, No Seal, Flat Type |
|---|---|
| Part number | CFFAS6-16 |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
Centering is achieved, even if with some misalignment, when cam follower hits somewhere in the range of inclined part of V Groove.
Available sizes
■Cam Followers - Hex Hole, No Seal, Flat Type
| Usage | Main Body | Nut | |||
|---|---|---|---|---|---|
| Material | Seal | Material | Surface Treatment | ||
| Not Provided | Provided | ||||
| General | 52100 Bearing Steel | ○ | ○ | 1045 Carbon Steel | Black Oxide |
| 440C Stainless Steel | ○ | ○ | 304 Stainless Steel | - | |
| Low Dust Generation | - | ○ | |||
■Sizes and Dimensions
| Stud Dia. | Thread Dia. x Pitch | Outer Ring Dia. | Outer Ring Width | Overall Length |
|---|---|---|---|---|
| φ3 | M3×0.5 | φ10 | 7 | 17 |
| φ4 | M4×0.7 | φ12 | 8 | 20 |
| φ5 | M5×0.8 | φ13 | 9 | 23 |
| φ6 | M6×1.0 | φ16 | 11 | 28 |
| φ8 | M8x1.25 | φ19 | 11 | 32 |
| φ10 | M10x1.25 | φ22 | 12 | 36 |
| φ26 | ||||
| φ12 | M12x1.5 | φ30 | 14 | 40 |
| φ32 |
Accuracy Info
■Accuracy of Cam Followers
Stud Dia. Tolerance: h7
Outer Ring Width Tolerance: 0/-0.12
Outer Race Dia. Tolerance:
| Outer Ring Dia. | Tolerance |
|---|---|
| φ10 | 0/-0.008 |
| φ12 | |
| φ13 | |
| φ16 | |
| φ19 | 0/-0.009 |
| φ22 | |
| φ26 | |
| φ30 | |
| φ32 | 0/-0.011 |
Performance info.
Cam Follower Load Rating and Rotational Speed
| 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) | Max. Rotational Speed (rpm) | |
|---|---|---|---|---|---|---|
| With Seal | No Seal | |||||
| φ3?φ10 | 1.47 | 1.18 | 0.36 | 1.37 | 32900 | 47000 |
| φ4?φ12 | 2.06 | 2.05 | 0.78 | 1.76 | 25900 | 37000 |
| φ5?φ13 | 3.14 | 2.77 | 1.42 | 2.25 | 20300 | 29000 |
| φ6?φ16 | 3.59 | 3.58 | 2.11 | 3.43 | 17500 | 25000 |
| φ8?φ19 | 4.17 | 4.65 | 4.73 | 4.02 | 14000 | 20000 |
| φ10?φ22 | 5.33 | 6.78 | 5.81 | 4.7 | 11900 | 17000 |
| φ10?φ26 | 5.49 | |||||
| φ12?φ30 | 7.87 | 9.79 | 9.37 | 7.06 | 9800 | 14000 |
| φ12?φ32 | 7.45 | |||||
Oil Free Bushing
| Product name | Oil Free Bushings I.D. F7 - Copper Alloy |
|---|---|
| Part number | MPBZ15-15 |
| Features | The most standard type in the Copper Alloy series. |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
Provides high friction resistance in the environment where oil film formation is discouraged by reciprocating motions or frequent starts and stops, without lubrication.
Available sizes
■Oil Free Bushings I.D. F7 - Copper Alloy
Material: High Tensile Brass Alloy, Solid Lubricant Embedded
■Sizes and Dimensions
| I.D.(mm) | Overall Length | O.D. | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 8 | 9 | 10 | 12 | 15 | 16 | 19 | 20 | 25 | 30 | 35 | 40 | 50 | 60 | 70 | 80 | 100 | ||
| 5 | ○ | ○ | ○ | ○ | ○ | - | - | - | - | - | - | - | - | - | - | - | - | 9 |
| 6 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | - | - | - | - | - | - | - | - | - | 10 |
| 8 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | - | - | - | - | - | - | - | - | 12 |
| 10 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | - | - | - | - | - | - | - | 14 |
| 12 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | - | - | - | - | - | - | 18 |
| 13 | - | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | - | - | - | - | - | - | 19 |
| 15 | - | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | - | - | - | - | - | 21 |
| 16 | - | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | - | - | - | - | - | 22 |
| 18 | - | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | - | - | - | - | - | 24 |
| 20 | - | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | - | - | - | 28 |
| 20A | - | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | - | - | - | - | 30 |
| 25 | - | - | - | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | - | - | - | 33 |
| 25A | - | - | - | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | - | - | - | 35 |
| 30 | - | - | - | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | - | - | 38 |
| 35 | - | - | - | - | - | - | - | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | - | - | 44 |
| 40 | - | - | - | - | - | - | - | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | - | 50 |
| 50 | - | - | - | - | - | - | - | - | - | ○ | ○ | ○ | ○ | ○ | ○ | ○ | - | 62 |
| 60 | - | - | - | - | - | - | - | - | - | - | - | - | ○ | ○ | ○ | ○ | - | 75 |
| 80 | - | - | - | - | - | - | - | - | - | - | - | - | - | ○ | ○ | ○ | - | 96 |
| 100 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ○ | ○ | 120 |
Accuracy Info
■Accuracy of Oil Free Bushings (Copper Alloy Straight Standard Type)
| I.D.(mm) | I.D. Tolerance (F7) | O.D. | O.D. Tolerance (m6) |
|---|---|---|---|
| 5 | +0.022 +0.010 | 9 | +0.015 +0.006 |
| 6 | 10 | ||
| 8 | +0.028 +0.013 | 12 | +0.018 +0.007 |
| 10 | 14 | ||
| 12 | +0.034 +0.016 | 18 | |
| 13 | 19 | +0.021 +0.008 | |
| 15 | 21 | ||
| 16 | 22 | ||
| 18 | 24 | ||
| 20 | +0.041 +0.020 | 28 | |
| 20A | 30 | ||
| 25 | 33 | +0.025 +0.009 | |
| 25A | 35 | ||
| 30 | 38 | ||
| 35 | +0.050 +0.025 | 44 | |
| 40 | 50 | ||
| 50 | 62 | +0.030 +0.011 | |
| 60 | +0.060 +0.030 | 75 | |
| 80 | 96 | +0.035 +0.013 | |
| 100 | +0.071 +0.036 | 120 |
Performance info.
■Load Information of Oil Free Bushings (Copper Alloy Straight Standard Type)
| Regular | Non-lubricated | |
|---|---|---|
| Maximum Allowable Load | 29.0N/mm² | |
| Maximum Allowable Velocity | 60m/min | 30m/min |
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Application Overview
Purpose
- To block a group of three platens that are transferred by a conveyor and separating them one by one.
Target workpiece
- Shape: platens
- Size: W130 x D110 x H34.5mm
- Material: Steel
- Weight: 5kg = 49N
Design Specifications
Operating Conditions or Design Requirements
- Stopper cylinder stroke: 10mm
- Blocking cylinder stroke: 10mm
- Outer dimensions: W498 x D270 x H263mm
Required Performance
- If we assume the number of platens to be blocked among transferred platens as 2, the load F = 49N x 2 pieces x conveyor friction coefficient μ = 49 x 2 x 0.5 = 49N.
Selection Criteria for Main Components
- Cylinder that has a thrust greater than the load transmitted from the V groove oblique face of the platens is selected.
Design Evaluation
Verification of main components
- The positioning cylinder is selected based on the load condition.
- If we assume the number of platens that need to be blocked among transferred platens as 2, the load F in the transfer direction is.
F = 49N x 2 pieces x conveyor friction coefficient μ
= 49 x 2 x 0.5 = 49N - The component force F' (perpendicular to transfer direction) to push the blocking cylinder via the V groove oblique face on the platens is
F'＝Fsinθcosθ
where, θ: "V groove angle"/2° - Therefore,
F' = 49 x sin60 x cos60 = 21.2N
If we use 3 as the safety factor, a thrust of 21.2 x 3 = 63.6N is required. - Hence, according to the theoretical thrust graph in the catalog, a bore diameter of φ16 that produces a thrust of approx. 60N is selected.
- If we assume the number of platens that need to be blocked among transferred platens as 2, the load F in the transfer direction is.
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