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No.000194 Rotary Inspection Station
Rotary unit for visual inspection of workpiece.
Relevant category
Deep Groove Ball Bearings
| Product name | Deep Groove Ball Bearings - Economy, Double Shielded |
|---|---|
| Part number | C6903ZZ |
| Features | Major overseas manufacturers' bearings equivalent to the domestic products in product quality. Please place order for these products if a large lot of bearings are required. |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
Use it for the rotary shaft bearing which is the main part of the equipment.
Available sizes
■Deep Groove Ball Bearings - Economy, Double Shielded
Material: 52100 Bearing Steel
| (Name No.) | Shaft Bore Dia. | O.D. | Thickness |
|---|---|---|---|
| C6900ZZ | φ10 | φ22 | 6 |
| C6000ZZ | φ26 | 8 | |
| C6200ZZ | φ30 | 9 | |
| C6300ZZ | φ35 | 11 | |
| C6901ZZ | φ12 | φ24 | 6 |
| C6001ZZ | φ28 | 8 | |
| C6201ZZ | φ32 | 10 | |
| C6301ZZ | φ37 | 12 | |
| C6902ZZ | φ15 | φ28 | 7 |
| C6002ZZ | φ32 | 9 | |
| C6202ZZ | φ35 | 11 | |
| C6302ZZ | φ42 | 13 | |
| C6903ZZ | φ17 | φ30 | 7 |
| C6003ZZ | φ35 | 10 | |
| C6203ZZ | φ40 | 12 | |
| C6303ZZ | φ47 | 14 | |
| C6904ZZ | φ20 | φ37 | 9 |
| C6004ZZ | φ42 | 12 | |
| C6204ZZ | φ47 | 14 | |
| C6304ZZ | φ52 | 15 | |
| C6905ZZ | φ25 | φ42 | 9 |
| C6005ZZ | φ47 | 12 | |
| C6205ZZ | φ52 | 15 | |
| C6305ZZ | φ62 | 17 | |
| C6906ZZ | φ30 | φ47 | 9 |
| C6006ZZ | φ55 | 13 | |
| C6206ZZ | φ62 | 16 | |
| C6306ZZ | φ72 | 19 |
* Please see the product pages for recommended dimensions of the mating shaft.
Performance info.
■Load info of the Deep Groove Ball Bearings - Economy Type, Double Shielded
| (Name No.) | Shaft Bore Dia. | O.D. | Basic Load Rating | Allowable Rotational Speed rpm (Reference) | |
|---|---|---|---|---|---|
| Cr (Dynamic) N | Cor (Static) N | ||||
| C6900ZZ | φ10 | φ22 | 2.7 | 1.27 | 30000 |
| C6000ZZ | φ26 | 4.55 | 1.97 | 29000 | |
| C6200ZZ | φ30 | 5.1 | 2.39 | 25000 | |
| C6300ZZ | φ35 | 8.2 | 3.5 | 23000 | |
| C6901ZZ | φ12 | φ24 | 2.89 | 1.46 | 27000 |
| C6001ZZ | φ28 | 5.1 | 2.39 | 26000 | |
| C6201ZZ | φ32 | 6.8 | 3.05 | 22000 | |
| C6301ZZ | φ37 | 9.7 | 4.2 | 20000 | |
| C6902ZZ | φ15 | φ28 | 3.65 | 2 | 24000 |
| C6002ZZ | φ32 | 5.6 | 2.83 | 22000 | |
| C6202ZZ | φ35 | 7.75 | 3.6 | 19000 | |
| C6302ZZ | φ42 | 11.4 | 5.45 | 17000 | |
| C6903ZZ | φ17 | φ30 | 4.65 | 2.58 | 22000 |
| C6003ZZ | φ35 | 6.8 | 3.35 | 20000 | |
| C6203ZZ | φ40 | 9.6 | 4.6 | 18000 | |
| C6303ZZ | φ47 | 13.5 | 6.55 | 16000 | |
| C6904ZZ | φ20 | φ37 | 6.4 | 3.7 | 19000 |
| C6004ZZ | φ42 | 9.4 | 5.05 | 18000 | |
| C6204ZZ | φ47 | 12.8 | 6.6 | 16000 | |
| C6304ZZ | φ52 | 15.9 | 7.9 | 14000 | |
| C6905ZZ | φ25 | φ42 | 7.05 | 4.55 | 16000 |
| C6005ZZ | φ47 | 10.1 | 5.85 | 15000 | |
| C6205ZZ | φ52 | 14 | 7.85 | 13900 | |
| C6305ZZ | φ62 | 21.2 | 10.9 | 12000 | |
| C6906ZZ | φ30 | φ47 | 7.25 | 5 | 14000 |
| C6006ZZ | φ55 | 13.2 | 8.3 | 13000 | |
| C6206ZZ | φ62 | 19.5 | 11.3 | 11000 | |
| C6306ZZ | φ72 | 26.7 | 15 | 10000 | |
Shaft Collar
| Product name | Shaft Collars - 2 Tapped Holes |
|---|---|
| Part number | PSCSW20-10 |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
Easy-to-assemble parts with a pre-inserted tap
Available sizes
■Shaft Collars - 2 Tapped Holes
| Material | Surface Treatment | Accessory |
|---|---|---|
| 1045 Carbon Steel | Black Oxide | Hex Socket Head Cap Screw 1 pcs. |
| Electroless Nickel Plating | Hex Socket Head Cap Screw 1 pcs. (SUS) | |
| 304 Stainless Steel | − |
■Sizes and Dimensions
| Shaft Bore Dia. | Overall width (Thickness) | O.D. | Fastening Screw Dia. (Coarse) | Mounting screw DIA. (Coarse) |
|---|---|---|---|---|
| φ6 | 8 | φ20 | M3 | M3 |
| 10 | M4 | |||
| φ8 | 8 | φ25 | M3 | |
| 10 | M4 | M4 | ||
| 12 | φ30 | M5 | M5 | |
| φ10 | 8 | M3 | M5 | |
| 10 | M4 | |||
| 12 | M5 | |||
| φ12 | 8 | M3 | M5 | |
| 10 | M4 | |||
| 12 | M5 | |||
| 15 | φ35 | M6 | M6 | |
| φ13 | 10 | φ30 | M4 | M4 |
| 12 | φ34 | M5 | M5 | |
| φ15 | 10 | M4 | M4 | |
| 12 | φ35 | M5 | M5 | |
| 15 | φ40 | M6 | M6 | |
| φ16 | 10 | φ35 | M5 | M4 |
| 12 | M5 | |||
| 15 | φ40 | M6 | M6 | |
| φ18・φ20 | 10 | M5 | M4 | |
| 12 | M5 | |||
| 15 | φ45 | M6 | M6 | |
| φ25 | 12 | M5 | M5 | |
| 15 | φ50 | M6 | M6 | |
| φ30 | 15 | φ55 | M6 |
Accuracy Info
■Accuracy of the Shaft Collars - Slit 2-tapped Type
Shaft Bore Dia. Tolerance: +0.05/+0.01
O.D. Tolerance: ±0.1
Overall Width Tolerance: ±0.1
Perpendicularity of the Mounting Surface and the Shaft Bore: 0.02 or less
Workpiece Guides - Straight
| Product name | Guides- Straight |
|---|---|
| Part number | WGHNC-17-10-10 |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
Economical workpiece securing material.
Available sizes
■Guides- Straight
| Material | Surface Treatment |
|---|---|
| 1045 Carbon Steel | Black Oxide |
| Electroless Nickel Plating | |
| 304 Stainless Steel | - |
| Polyacetal | |
| MC Nylon |
■Sizes and Dimensions
| Width | Thickness | Height (1 mm Increments) | Applicable Mounting Bolt Dia. | ||
|---|---|---|---|---|---|
| 17 | 20 | 30 | |||
| ○ | ○ | 10 | 6～10 | M3 | |
| ○ | ○ | 12 | |||
IDEA NOTE How to create a simple mechanism for visual inspection?
Utilize bearings and tapped shaft collar to create a simple turntable type rotary mechanism.
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Application Overview
Purpose
- Assist visual inspection of workpiece carried over by conveyor. Rotary mechanism is driven by a motor stationed at the inspection point.
Target workpiece
- Shape: plastic plate
- Size: W 65 x D 8 x H 130 mm
- Weight: 150 g
Design Specifications
Operating Conditions or Design Requirements
- Rotational speed at inspection: 12 rpm
- External size: φ 90 x H 80 mm
Required Performance
- Position repeatability: ± 0.3 mm
Selection criteria for Main Components
- Rotational speed of the workpiece: 12 rpm, O.D. of rotary pallet: φ 90 mm Select bearings with a size having a margin fitting this dimension.
Design Evaluation
Verification of main components
- Verify bearing durability for the load condition.
- Check the life of bearing
- Conditional values: bearings:
Basic dynamic load rating of C6903ZZ: Cr = 4.65 kN = 4650 N, - Workpiece weight: M1 = 150 g = 0.15 kg,
- Component weight borne by the bearing of the rotary pallet: M2 = 400 g = 0.4 kg,
- Gravitational acceleration = 9.8 m/s².
- Let radial dynamic equivalent load be Pr, radial load Fr, thrust load Fa, radial factor X = 1, and thrust factor Y = 2.3 , then,
- Only the thrust load will be applied to the bearing by the workpiece and component. Assuming that radial load Fr = 0 N, We obtain the following: Fa = (M1 + M2) × g = (0.15 + 0.4) × 9.8 = 5.4 N,
- Pr=X×Fr+Y×Fa=1×0+2.3×5.4=12.4[N].
- Rated life (10⁶ rotations): L = (Cr/Pr)³ = (4650/12.4)³ = 52.7×10⁶ (10⁶ rotations) ＝ 52.7 (10¹² rotations) Thus, there exists sufficient margin.
- Conditional values: bearings:
Other Design Consideration
- Be careful during the inspection process as the workpiece may fall off the grip. Therefore, implement additional workpiece securing mechanisms as necessary.
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