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No.000233 Cleaning Chamber
35
35
A set of nozzles are rotated to spray clean a workpiece.
Relevant category
Circular Posts
| Product name | Circular Posts - Both Ends Tapped With Standard Wrench Flat, Standard L Dimension |
|---|---|
| Part number | SETS30-300-SC30-M8-N8 |
| Features | The dimensions and thread diameter are configurable. And installation or removal of Wrench Flats can be selected. |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
It is suitable as a spacer to install bearings with a certain distance to each other.
Available sizes
■Circular Posts - Both Ends Tapped With Standard Wrench Flat, Standard L Dimension
| Material | Surface Treatment |
|---|---|
| 1018 Carbon Steel | - |
| Black Oxide Coating | |
| Electroless Nickel Plating | |
| Trivalent Chromate (Black) | |
| 304 Stainless Steel | - |
| 2017 Aluminum Alloy | Clear Anodize |
■Sizes and Dimensions
| Post Diameter. | Overall Length (specified in 1 mm increment) | Tapped | Wrench Groove | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diameter (coarse) (select individually for each end) | Depth | Opposite Side | Slot Width | ||||||||||||
| M2.6 | M3 | M4 | M5 | M6 | M8 | M10 | M12 | M16 | M20 | M24 | |||||
| φ5 | 15-50 | ○ | ○ | Diameter x 2 | 4 | 8 | |||||||||
| φ6 | 15-50 | ○ | ○ | 5 | |||||||||||
| φ8 | 15-150 | ○ | ○ | ○ | 7 | ||||||||||
| φ10 | 20-350 | ○ | ○ | ○ | 8 | ||||||||||
| φ12 | 25-400 | ○ | ○ | ○ | 10 | 10 | |||||||||
| φ15 | 30-500 | ○ | ○ | ○ | 13 | ||||||||||
| φ20 | 40-500 | ○ | ○ | ○ | ○ | 17 | |||||||||
| φ25 | 50-600 | ○ | ○ | ○ | ○ | ○ | 22 | ||||||||
| φ30 | 60-700 | ○ | ○ | ○ | ○ | ○ | ○ | 27 | 15 | ||||||
| φ35 | 75-800 | ○ | ○ | ○ | ○ | ○ | ○ | 30 | 15 | ||||||
| φ40 | 75-900 | ○ | ○ | ○ | ○ | ○ | 36 | 20 | |||||||
| φ50 | 75-1000 | ○ | ○ | ○ | ○ | 41 | 20 | ||||||||
Accuracy Info
■Accuracy of Post Diameter
| Material | Surface Treatment | Tolerance |
|---|---|---|
| 1018 Carbon Steel | - | 0/-0.1 |
| Black Oxide Coating | ||
| Electroless Nickel Plating | ||
| Trivalent Chromate(Black) | ±0.05 | |
| 304 Stainless Steel | - | 0/-0.1 |
| 2017 Aluminum Alloy | Clear Anodize |
MechaLock
| Product name | Keyless Bushings - Compact |
|---|---|
| Part number | MLRS30 |
| Features | A hub (such as pulleys, gears and sprockets) can be easily connected with a shaft by screwing. |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
It is suitable for connecting a pipe member for which key groove is not available to a sprocket.
Risk info.
Deformation of pipe due to over-tightening bolt.
Available sizes
■Keyless Bushings - Compact
| Body material | Surface Treatment |
|---|---|
| 1045 Carbon Steel | - |
| 1045 Carbon Steel | Electroless Nickel Plating |
| 304 Stainless Steel | - |
■Sizes and Dimensions
| Shaft Hole Dia. | Outer Ring O.D. (pilot) | Inner Ring O.D. (shoulder) | Shoulder Height | Pilot Length. |
|---|---|---|---|---|
| φ18 | φ26 | φ46 | 16 | 14 |
| φ19 | φ27 | φ47 | ||
| φ20 | φ28 | φ48 | ||
| φ22 | φ32 | φ52 | 16 | |
| φ24 | φ34 | φ54 | ||
| φ25 | ||||
| φ28 | φ39 | φ59 | 20 | |
| φ30 | φ41 | φ61 | ||
| φ32 | φ43 | φ63 | ||
| φ35 | φ47 | φ67 | 22 | |
| φ38 | φ50 | φ70 | ||
| φ40 | φ53 | φ73 | ||
| φ42 | φ55 | φ75 | ||
| φ45 | φ59 | φ84 | 20.5 | 30 |
| φ48 | φ62 | φ87 | ||
| φ50 | φ65 | φ90 |
Accuracy Info
■Recommended Tolerance of Applicable Shaft and Hub
| Tolerance | Finish Surface Roughness | |
|---|---|---|
| Shaft O.D. | h7(g6) | Ra1.6 or less |
| Hub I.D. | H7 | Ra3.2 or less |
Performance info.
■MechaLock Compact Type (With Centering Function)
| Shaft Hole Dia. | 1045 Carbon Steel/- | 1045 Carbon Steel/Electroless Nickel Plating | 304 Stainless Steel /- | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Max. Allowable Torque (N・m) | Allowable Thrust Load (kN) | Screw Tightening Torque (N・m) | Max. Allowable Torque (N・m) | Allowable Thrust Load (kN) | Screw Tightening Torque (N・m) | Max. Allowable Torque (N・m) | Allowable Thrust Load (kN) | Screw Tightening Torque (N・m) | |
| φ18 | 210 | 23.2 | 14 | 210 | 23.2 | 14 | 68 | 7.4 | 9.6 |
| φ19 | 221 | 221 | 71 | ||||||
| φ20 | 233 | 233 | 75 | ||||||
| φ22 | 256 | 256 | 83 | ||||||
| φ24 | 279 | 279 | 90 | ||||||
| φ25 | 291 | 291 | 94 | ||||||
| φ28 | 488 | 34.8 | 488 | 34.8 | 157 | 11.1 | |||
| φ30 | 523 | 523 | 168 | ||||||
| φ32 | 558 | 558 | 180 | ||||||
| φ35 | 813 | 46.4 | 813 | 46.4 | 262 | 14.9 | |||
| φ38 | 883 | 883 | 284 | ||||||
| φ40 | 929 | 929 | 299 | ||||||
| φ42 | 976 | 976 | 314 | ||||||
| φ45 | 1910 | 84.5 | 34 | 1910 | 84.5 | 34 | 620 | 27.5 | 23.6 |
| φ48 | 2040 | 2040 | 670 | ||||||
| φ50 | 2120 | 2120 | 690 | ||||||
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It is configured so that each sub-assembly unit can be used as it is or edited.
Application Overview
Purpose
- Workpiece is cleaned by spraying cleaning solution from a set of rotating arm nozzles where the solution is flowed through the pipe rotating arms.
- A trap door is equipped for workpiece entry and exit.
Points for use
- Rotation is driven by belt, pulley, and motor.
Target workpiece
- Gear
- Exterior shape: φ120 ｘ H 20mm
- Workpiece weight: 1kg
Design Specifications
Operating Conditions or Design Requirements
- External dimension: W 656 x D 300 x H 920mm
Motor - Capacity: 0.1kw
- Reduction Ratio: 1/40
- Torque: 19.6 N・m (60Hz)
- Rotation speed: 45 rpm (60Hz)
Required Performance
- Weight of rotating arm: 100N
- Flow rate per nozzle: 6(liter/min)
(currently, 12liter/min per 2 nozzles)
Selection Criteria for Main Components
- Motor
- Motor that generates the required torque to rotate the arm is selected.
- Nozzle
- An even fan-shaped nozzle is selected for cleaning evenly.
Design Evaluation
Verification of main components
- The motor is selected so as to satisfy the load torque.
- Motor
- Condition value: Weight of rotating arm: 100N, safety margin ratio: 2, sprocket pitch circle diameter: 101.48mm
- Load torque of motor T = 1/2 x sprocket pitch circle diameter(m) x weight of rotating arm(N) x safety margin rate, thus,
T = 1/2 x 0.10148 x 100 x 2 = 10.1N・m < 19.6N・m (rated torque)
-> Select motor of 0.1kW
Other Design Consideration
- Select rotating arm that does not interfere with workpiece.
- Rotation speed is adjusted by adjusting the sprocket sizes.
- Water is used as the cleaning solution. Adjustment is made by changing pressure using regulator, etc.
- Door interlock is necessary for the trap door during cleaning.
- The tank is to be drained at the bottom after cleaning.
- Using stainless piping due to extensive exposure to potentially corrosive fluids.
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