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- inCAD Library Home
- > No.000184 Inspection Mechanism on Belt Conveyor
No.000184 Inspection Mechanism on Belt Conveyor
95
95
Work piece positioning and rotating mechanism.
Relevant category
Flat Belt Conveyor Full Belt Type
| Product name | Flat Belt Conveyor Full Belt Type, End Drive, 2-Slot Frame (Pulley Dia. 30mm) |
|---|---|
| Part number | CVSFA-90-1000-25-T100-SCM-100-W-A |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
Suitable for selecting the ready-made product for automatic transfer.
Available sizes
■Flat Belt Conveyor Full Belt Type, End Drive, 2-Slot Frame (Pulley Dia. 30mm)
| Part | Material | Surface Treatment |
|---|---|---|
| Frame | Aluminum | Anodize |
| Motor Cover | Paint | |
| Pulley Holder | 5052 Aluminum Alloy | Anodize |
| 1018 Carbon Steel | Trivalent Chromate |
■Belt Specification
| Usage | Surface Material | Color Tone | Continuous Use Temperature °C |
|---|---|---|---|
| General Purpose | Polyurethane | Green | -10℃～80℃ |
| White | |||
| Sliding | Urethane Impregnated | Green | |
| White | |||
| Electronic Parts Conveyor | Conductive Polyurethane | Black | |
| Food Conveyor | Polyurethane | White | |
| Oil Resistant | Oil-Resistant Chloroethylene | Navy | 5℃～60℃ |
| Non-Adhesive | Polyurethane | White | -10℃～80℃ |
| No Belt | |||
■Sizes
| Belt Width （10 mm increments） | Distance between pulleys （5 mm increments） | Motor | |||
|---|---|---|---|---|---|
| Output (W) | Voltage (V) | Specifications | Gearhead Reduction Ratio | ||
| 60～300 | 280～2000 | 6、25 | * Note | 12.5, 15, 18, 25, 30, 36, 50, 60, 75, 90, 100, 120, 150, 180 | |
* Voltage and specification of a motor are varied with countries of sales.
Performance info.
■Conveying capacity of the conveyors (full belt single track, head drive φ30)
Urethane Rollers
| Product name | Urethane Rollers - Set Screw Holes |
|---|---|
| Part number | UMHSH20-5 |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
Used as a mechanism that absorbs the shock of the work piece while rotating it.
Available sizes
■Urethane Rollers - Set Screw Holes
| Material | Hardness | |
|---|---|---|
| Core | Lining | |
| 304 Stainless Steel | Urethane | Shore A90, Shore A70, Shore A50 |
| 5052 Aluminum Alloy | ||
■Sizes and Dimensions
| Name No. | Roller O.D. | Shaft Bore Dia. | Core Material O.D. | Roller Width | Overall Length |
|---|---|---|---|---|---|
| 15 | φ15 | φ4 | φ10 | 6 | 12 |
| 15-5 | φ5 | ||||
| 20 | φ20 | φ4 | φ16 | 6 | 12 |
| 20-5 | φ5 | ||||
| 25 | φ25 | φ6 | φ16 | 8 | 20 |
| 25−8 | φ8 | ||||
| 30 | φ30 | φ6 | φ16 | 8 | 20 |
| 30−8 | φ8 | ||||
| 35 | φ35 | φ8 | φ20 | 10 | 25 |
| 35−10 | φ10 | ||||
| 40 | φ40 | φ8 | φ25 | 10 | 25 |
| 40−10 | φ10 | ||||
| 50 | φ50 | φ10 | φ30 | 10 | 25 |
| 50−12 | φ12 |
Accuracy Info
■Accuracy of Urethane Rollers (Set Screw Type)
Shaft Bore Dia. Tolerance: H7
Urethane Molded Bearings
| Product name | Silicon Rubber / Urethane Molded Bearings - Flat, with Threaded Shaft |
|---|---|
| Part number | UMSWH8-28 |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
Suitable to rotate the work piece without damaging it.
Available sizes
■Silicon Rubber / Urethane Molded Bearings - Flat, with Threaded Shaft
| Tire Section | Bearing Material | Shaft | |||
|---|---|---|---|---|---|
| Material | Hardness | Color | Material | Surface Treatment | |
| Urethane | Shore A95 | Black | 52100 Bearing Steel | Carbon Steel | Electroless Nickel Plating |
| 440C Stainless Steel | 303 Stainless Steel | − | |||
| White | 52100 Bearing Steel | Carbon Steel | Trivalent Chromate | ||
| 440C Stainless Steel | 303 Stainless Steel | − | |||
| Shore A90 | Black | 52100 Bearing Steel | Carbon Steel | Electroless Nickel Plating | |
| 440C Stainless Steel | 303 Stainless Steel | − | |||
| White | 52100 Bearing Steel | Carbon Steel | Trivalent Chromate | ||
| 440C Stainless Steel | 303 Stainless Steel | − | |||
| Shore A70 | Black | 52100 Bearing Steel | Carbon Steel | Electroless Nickel Plating | |
| Shore A50 | Black | 52100 Bearing Steel | Carbon Steel | Electroless Nickel Plating | |
| White | 52100 Bearing Steel | Carbon Steel | Trivalent Chromate | ||
| Silicon Rubber | Shore A70 | Light Gray | 52100 Bearing Steel | Carbon Steel | Electroless Nickel Plating |
| 440C Stainless Steel | 303 Stainless Steel | − | |||
| Antistatic Urethane | Shore A90 | Gray | 52100 Bearing Steel | Carbon Steel | Electroless Nickel Plating |
■Sizes and Dimensions
| O.D. | Bearing | Screw Dia. (Coarse) | Thread Length | Roller Width |
|---|---|---|---|---|
| φ10 | W683ZZA | M3 | 4 | 3 |
| φ12 | ||||
| φ13 | W684AX50ZZ | M4 | 5 | 4 |
| φ16 | 624ZZ | 5 | ||
| WBC5−13ZZ | ||||
| φ20 | 625ZZ | |||
| 696ZZ | M6 | 8 | ||
| φ28 | 626ZZ | 6 | ||
| 608ZZ | 7 | |||
| φ30 | 608ZZ | |||
| 6000ZZ | 8 | |||
| φ40 | 6200ZZ | 9 | ||
| 6002ZZ | M10 | 12 | ||
| φ45 | 6202ZZ | 11 | ||
| 6904ZZ | 9 | |||
| φ55 | 6204ZZ | 14 | ||
| φ65 | 6205ZZ | 15 |
Performance info.
■Load capacity of urethane molded bearings threaded, with flat A-Shape
| O.D. | Bearing | Allowable Load N | ||||
|---|---|---|---|---|---|---|
| Urethane | Silicon | |||||
| Shore A95 | Shore A90 | Shore A70 | Shore A50 | Shore A70 | ||
| φ10 | W683ZZA | 38 | 28 | 9 | 4 | 7 |
| φ12 | 53 | 34 | 10 | 6 | 9.8 | |
| φ13 | W684AX50ZZ | 66 | 44 | 13 | 7 | 13 |
| φ16 | 624ZZ | 79 | 59 | 16 | 6 | 18 |
| WBC5−13ZZ | 79 | 16 | ||||
| φ20 | 625ZZ | 102 | 78 | 20 | 9 | 24 |
| 696ZZ | 114 | 23 | 15 | |||
| φ28 | 626ZZ | 218 | 157 | 44 | 39 | 47 |
| 608ZZ | 208 | 42 | 35 | |||
| φ30 | 608ZZ | − | 176 | 81 | 65 | 53 |
| 6000ZZ | 94 | 51 | ||||
| φ40 | 6200ZZ | − | 274 | 136 | 93 | 82 |
| 6002ZZ | 122 | 96 | ||||
| φ45 | 6202ZZ | − | 343 | 109 | 102 | 103 |
| 6904ZZ | 130 | 98 | ||||
| φ55 | 6204ZZ | − | 490 | 225 | 176 | 147 |
| φ65 | 6205ZZ | − | 750 | 333 | 250 | 226 |
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Application Overview
Purpose
- Purpose
- To inspect defect on resin case.
- Operation
- To detect a work piece as it is transferred via a conveyor to a determined inspection position. Positioning is performed as a pusher presses a urethane roller against the drive roller. After positioning, the drive roller is rotated and the work piece appearance is conducted, After inspection, the pusher is retracted and the conveyor moves the workpiece from the inspection position.
Points for use
- Automated manufacturing line.
Target workpiece
- Pallet
- Shape: cylindrical pallet
- Size: φ90 x H30mm
- Workpiece
- Shape: resin plate
- Size: W65xD8xH130mm
Design Specifications
Operating Conditions or Design Requirements
- Rotation speed during inspection: 12rpm
- Outer dimensions：W1032xD372xH183mm
Required Performance
- Positional repeatability：±0.5mm
Selection Criteria for Main Components
- Base on the required work piece rotational speed of 12rpm, a motor with a range of 280 to 2800rpm and a gear reduction ratio of 1/100 are selected.
Design Evaluation
Verification of main components
- Motor rotation speed, work piece rotation speed, cylindrical force, and overhang load are all verified.
- Conditional value: workpiece rotation speed N = 12rpm, motor rotation speed R = 280 to 2800rpm, motor output T0 = 0.005N·m,
gear head reduction ratio i = 1/100, gear head allowable overhang load Q0 = 620N·mm,
distance from motor mounting face to roller load position L = 17mm, robot cylinder maximum push force Fi = 44N,
friction coefficient μ = 0.6 (metal and rubber), workpiece diameter D1 = 90mm, drive roller diameter D2 = 50mm - If we put D1 as workpiece diameter, D2 as drive roller diameter, and N as workpiece rotation speed, and Q as gear head rotation speed,
N/Q = D2/D1, hence, Q = N x (D1/D2) = 12 x (90/50) = 21.6rpm - From rotation speed Q1 of gear head shaft with reduction ratio i: Q1 = R x i , Q1 = 2.8 to 28rpm
Therefore, the motor rotation speed satisfies the needs. - Motor torque T with reduction ratio i: T = T0 x i = 0.5N·m
As the motor torque and the drive roller torque are equal, if we put P as force at drive roller outer diameter,
T=P×(D2/2)
Hence, P = T x (2/D2) = 0.5 x {2/(50 x 10⁻³)} = 20N - From push force of robot cylinder applied to roller: F = Fi x μ, F = 44 x 0.6 = 26.4N
As F > P, the push force is suitable. - From allowable overhang load at load position: Q = Q0/L, Q = 620/17 = 36.5N
As Q > F, the overhang load is within the allowable range.
- Conditional value: workpiece rotation speed N = 12rpm, motor rotation speed R = 280 to 2800rpm, motor output T0 = 0.005N·m,
Other Design Consideration
- As a cylindrical work piece is positioned using two rollers, the accuracy of the conveyor does not need to be high.
- As the device does not use air pressure, an electric cylinder is used.
Explore Similar Application Examples
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