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No.000266 Glass Circuit Board Conveyor
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Motor driven conveying system using a system of rollers, pulleys, and belts.
Related Category
O-Rings
| Product name | O-Rings/P Series |
|---|---|
| Part number | NPA32 |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
To transport a workpiece without damaging it
Available sizes
■O-Rings - P Series
| Material | Hardness (JIS Hs) | Color | Operable Temperature Range | JIS Symbol | Usage |
|---|---|---|---|---|---|
| Nitrile Rubber | 70±5 | Black | -30-100°C | Class 1 A | Mineral Oil Resistant |
| 90±5 | Black | -25-100°C | Class 1 B | ||
| Silicon Rubber | 50±5 | Milky White | -50-200°C | - | Heat Resistant |
| 70±5 | Navy | -50-200°C | Class 4 C | ||
| Fluororubber | 70±5 | Black | -15-200°C | Class 4 D | |
| 90±5 | Black | -15-200°C | - | ||
| Ethylene Propylene Rubber | 70±5 | Black | -45-130°C | - | Weather Resistant |
■Sizes and Dimensions (excerpt)
| JIS Nominal Number | Ring I.D. | Ring Wire Dia. | Mating Side Dia. Against O-ring | |
|---|---|---|---|---|
| Internal Contact | External Contact | |||
| P22 | Ø21.8 | Ø2.4 | Ø22 | Ø26 |
| P22A | Ø21.7 | Ø3.5 | Ø22 | Ø28 |
| P22.4 | Ø22.1 | Ø22.4 | Ø28.4 | |
| P24 | Ø23.7 | Ø24 | Ø30 | |
| P25 | Ø24.7 | Ø25 | Ø31 | |
| P25.5 | Ø25.2 | Ø25.5 | Ø31.5 | |
| P26 | Ø25.7 | Ø26 | Ø32 | |
| P28 | Ø27.7 | Ø28 | Ø34 | |
| P29 | Ø28.7 | Ø29 | Ø35 | |
| P29.5 | Ø29.2 | Ø29.5 | Ø35.5 | |
| P30 | Ø29.7 | Ø30 | Ø36 | |
| P31 | Ø30.7 | Ø31 | Ø37 | |
| P31.5 | Ø31.2 | Ø31.5 | Ø37.5 | |
| P32 | Ø31.7 | Ø32 | Ø38 | |
| P34 | Ø33.7 | Ø34 | Ø40 | |
| P35 | Ø34.7 | Ø35 | Ø41 | |
| P35.5 | Ø35.2 | Ø35.5 | Ø41.5 | |
| P36 | Ø35.7 | Ø36 | Ø42 | |
| P38 | Ø37.7 | Ø38 | Ø44 | |
| P39 | Ø38.7 | Ø39 | Ø45 | |
| P40 | Ø39.7 | Ø40 | Ø46 | |
| P41 | Ø40.7 | Ø41 | Ø47 | |
| P42 | Ø41.7 | Ø42 | Ø48 | |
| P44 | Ø43.7 | Ø44 | Ø50 | |
| P45 | Ø44.7 | Ø45 | Ø51 | |
| P46 | Ø45.7 | Ø46 | Ø52 | |
| P48 | Ø47.7 | Ø48 | Ø54 | |
| P50 | Ø49.7 | Ø50 | Ø56 | |
* Please see the product pages for other diameter rings.
Accuracy Info
Ring Wire DIA. Tolerance:
| Wire Dia. | Tolerance |
|---|---|
| Ø1.9 | ±0.08 |
| Ø2.4 | ±0.09 |
| Ø3.5 | ±0.10 |
| Ø5.7 | ±0.13 |
Parting Surface Burr Height: 0.1 or less
Parting Surface Burr Width: 0.15 or less
Ring I.D. Tolerance;
| JIS Nominal Number | Ring I.D. | Tolerance | ||
|---|---|---|---|---|
| Nitrile | Silicone Ethylene | Fluorine | ||
| P22 | Ø21.8 | ±0.24 | ±0.36 | ±0.28 |
| P22A | Ø21.7 | |||
| P22.4 | Ø22.1 | |||
| P24 | Ø23.7 | |||
| P25 | Ø24.7 | ±0.25 | ±0.37 | ±0.30 |
| P25.5 | Ø25.2 | |||
| P26 | Ø25.7 | ±0.26 | ±0.39 | ±0.31 |
| P28 | Ø27.7 | ±0.28 | ±0.42 | ±0.33 |
| P29 | Ø28.7 | ±0.29 | ±0.43 | ±0.34 |
| P29.5 | Ø29.2 | |||
| P30 | Ø29.7 | |||
| P31 | Ø30.7 | ±0.30 | ±0.45 | ±0.36 |
| P31.5 | Ø31.2 | ±0.31 | ±0.46 | ±0.37 |
| P32 | Ø31.7 | |||
| P34 | Ø33.7 | ±0.33 | ±0.49 | ±0.39 |
| P35 | Ø34.7 | ±0.34 | ±0.51 | ±0.40 |
| P35.5 | Ø35.2 | |||
| P36 | Ø35.7 | |||
| P38 | Ø37.7 | ±0.37 | ±0.55 | ±0.44 |
| P39 | Ø38.7 | |||
| P40 | Ø39.7 | |||
| P41 | Ø40.7 | ±0.38 | ±0.57 | ±0.45 |
| P42 | Ø41.7 | ±0.39 | ±0.58 | ±0.48 |
| P44 | Ø43.7 | ±0.41 | ±0.61 | ±0.49 |
| P45 | Ø44.7 | |||
| P46 | Ø45.7 | ±0.42 | ±0.63 | ±0.50 |
| P48 | Ø47.7 | ±0.44 | ±0.66 | ±0.52 |
| P50 | Ø49.7 | ±0.45 | ±0.67 | ±0.54 |
Idler Pulleys
| Product name | Idler Pulleys/Resin/Flat/Flanged |
|---|---|
| Part number | TPBSN38-15 |
| Features | Can be used as the tension adjuster for timing belts. |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
Used for tension adjustment of a timing belt
Available sizes
■Idler Pulleys - Resin, Flat / Flanged
| Body Material | Bearing Material |
|---|---|
| Glass Reinforced Nylon (engineered plastic) | Steel |
■Sizes
| Nominal Dia. of the Idler | Overall Width | Inner Width | O.D. | Bearing No. to Use | Applicable Idler Shaft | |
|---|---|---|---|---|---|---|
| Flanged | No Flange | Flanged | ||||
| Ø38 | 18 | 18 | 15 | Ø42 | 6200ZZ | WS010S |
| Ø40 | 26 | 26 | 20 | Ø48 | 6201ZZ | WS116S ･ WS122S |
| Ø45 | 25 | 25 | Ø50 | 6202ZZ | WS216S | |
| Ø46 | Ø52 | 6201ZZ | WS112S ･ WS116S | |||
| Ø50 | 31 | 31 | 25 | Ø62 | WS116S ･ WS122S | |
| Ø60 | 36 | - | 30 | Ø66 | ||
| Ø70 | 35 | - | 28 | Ø80 | 6202ZZ | WS216S ･ WS222S |
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CAD Data Download (Unit Assembly)
CAD Data Download: File Format
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Assembly data shows the assembly drawings in the concept design phase. The sole purpose of the data is to explain the structure and functionality of the assembly and is not considered nor to be used as a final design.
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Application Overview
Purpose
- Purpose: transferring glass circuit boards.
Operation: Rollers are each attached with an O-ring for proper contact with the sides and edges of the glass circuit boards.
Target workpiece
- Shape: glass circuit board
- Size: t0.5 x W300 x D500mm
Design Specifications
Operating Conditions or Design Requirements
- Outer dimensions: W1200 x D714 x H280mm
- Transfer speed: 100mm/s
Required Performance
- Load: workpiece + belt = 50N
- Widthwise positioning accuracy: ±1mm
Selection Criteria for Main Components
- A motor that can transfer a load of 50N at a speed of over 70mm/s is selected.
Design Evaluation
Verification of main components
- The torque of the motor and reducer is verified based on the load torque.
- Conditional value: pulley diameter D = 0.039m, friction coefficient μ = 0.3, efficiency η = 0.9, gear head efficiency ηG = 0.5, gear ratio G = 81, motor torque TM = 0.32N･m, motor rated rotation speed N = 3000rpm, load M = 50N
- Load torque: T = F x D/2 x η = μ x M x D/2 x η = 0.3 x 50 x 0.039/2 x 0.9 = 0.33N･m
- Torque of motor and reducer: TG = TM x G x ηG = 0.32 x 81 x 0.5 = 13N･m
> 0.33N･m = T
-> There is no problem. - Transfer speed: V = N x D x π/G x 60 = 3000 x 39 x π/81 x 60 = 75.6mm/s
Other Design Consideration
- The conveying system is driven by a single motor.
- An adhesive rubber roller is installed for dust removal.
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