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No.000068 Conveyor with escapement

Escapement mechanism for gravity conveyor

Related Category

Engineering Plastic Bearing

Product name Engineered Plastic Bearings/Flat/Retained
Model number EBH26
* Orange colored cells in the table below indicate the part numbers that were actually used in this app. example.

Selection criteria

Lightweight and economical as Guides and Stoppers

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Risk info.

May be damaged by impact loads.

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Available sizes

■Engineered Plastic Bearings - Flat

Material Surface treatment
Surface resin Bearing Ring Shaft
Polyacetal EN 1.4125 Equiv. EN 1.4301 Equiv. -
EN 1.3505 Equiv. Free Cutting Steel Trivalent chromate
Anti-static
Polyacetal
EN 1.4125 Equiv. (Low particle generation) EN 1.4301 Equiv. -
EN 1.4301 Equiv. (Low particle generation)
MC Nylon EN 1.3505 Equiv. EN 1.1191 Equiv.
UHMWPE Trivalent Chromate

■Sizes and Dimensions

O.D. (mm) Bore DIA. (mm) Bearing used
13 4 L - 1044ZZ
14
16 5 695ZZ
18
19 6 696ZZ
20
22
24
26 8 608ZZ
30
35
40 10 6200ZZ
45
50

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Performance info.

■Speeds and loads of Engineered Plastic Bearings

O.D.
(mm)
Load capacity
(N)
13 29.4
14
16
18
19 78.4
20
22
24
26 176
30
35
40 245
45
50

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Cantilever Shaft

Product name Cantilever Shafts/Standard/Both Ends Threaded
Model number PFXAC6-22-F7-MA6
* Orange colored cells in the table below indicate the part numbers that were actually used in this app. example.

Selection criteria

Shape, configurable size and low cost.

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Available sizes

■Cantilever Shafts - Standard, Both Ends Threaded

Material Surface treatment
EN 1.1191 Equiv. Black oxide
Electroless nickel plating
EN 1.4301 Equiv. -
EN 1.7220 Equiv.
Hardness 35 ~ 40HRC
Electroless nickel plating

■Sizes and Dimensions

Shaft DIA.
(mm)
Shaft section length
(Configure in 1mm increments)
Screw DIA. (M Coarse)
3 3 - 50 3
4 3, 4
5 3, 4, 5
6 5 - 100 4, 5, 6
8 5, 6, 8
10 6, 8, 10
12 10 - 100 6, 8, 10, 12
13 6, 8, 10, 12
15 8, 10, 12
16 10, 12, 16, 20
17 6, 8, 10, 12, (15)
18 8, 10, 12, (15)
20 10, 12, (15), 16, 20,
22
25 10, 12 - 24 (4Increment), (15), (25)
30 12 - 24 (4Increment), (15), (25), 30

* M15 and M25 of ( ) dimensions of Screw DIA. will be fine threads.

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Accuracy Info

■Accuracy of Cantilever shafts

Perpendicularity: 0.02

(mm)

Shaft DIA. O.D. Tolerance
g6
3 -0.002
-0.008
4 -0.004
-0.012
5
6
8 -0.005
-0.014
10
12 -0.006
-0.017
13
15
16
17
18
20 -0.007
-0.020
22
25
30

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Bearings with Housing

Product name Direct Mount/Standard/Retained
Model number SBGRA626ZZ
* Orange colored cells in the table below indicate the part numbers that were actually used in this app. example.

Selection criteria

Supports Cantilever shaft and it's easy to install.

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Available sizes

■Bearings with Housings - Direct Mount, Standard, Retained

Material Surface treatment
Bearing Housing Housing
Steel EN 1.1191 Equiv. Black oxide
Electroless nickel plating
EN AW-2017 Equiv. Clear anodize
Stainless steel
EN 1.4301 Equiv. -

■Bearing type

Bearing model number Bore DIA. I.D.
(Bearing O.D.)
Seal
606 6 17 ZZ (Double shielded)
VV (Non-contact rubber seal)
DD (Contact rubber seal)
626 19
698 8

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Accuracy Info

■Accuracy of bearings with housing

(mm)

Shaft DIA. I.D.
I.D. Tolerance: H7
5 14 +0.018
0
16
6 17
19 +0.021
0
8 19
22
24

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IDEA NOTE Workpiece stocking

To prevent queuing of the workpieces cantilever arm also acts as a stopper/separator between two workpieces.

  • TERMS AND CONDITIONS FOR USE OF CAD DATA
    Your access to the CAD data that MISUMI Corporation (hereinafter referred to as the Company) posts on this site (including 3D CAD data, intermediate 3D CAD data and 2D CAD data; hereinafter referred to as the Data) are of products manufactured and/or sold by the Company (hereinafter referred to as the Products) assumes that you have read and accepted these terms and conditions which govern your use of the Data. If you do not agree to these terms and conditions, you must stop using this website and the Data. You must not use the Data for any unlawful purpose or in any manner inconsistent with these terms and conditions.
    1. CAD Data
    The Data is prepared for assisting the Company's users in the CAD design process by providing dimensions and other Product information. In order to provide the best speed and stability working within this site, the Product drawings were simplified to reduce the size of the Data. For instance, some of the Products are shown without the oil groove shape, screws or spring shape. Also, please be aware that the tolerance, surface roughness and/or chamfer of the Data may vary from the actual Products.
    2. Disclaimer on Data
    While the Company has carefully prepared the Data, accuracy of the Data is not guaranteed and is subject to the variances as described above. The Company may also modify, add or delete the Data at any time without prior notice. The Company assumes no liability for any direct, indirect, consequential or special damages that you may claim resulted from your use of the Data or any changes to or deletions of the Data regardless of the reason. The Company provides no warranty as to the quality, accuracy, functionality, safety or reliability of the combination of Products and parts. Example applications and combinations of the Products are provided for illustrative purposes only.
    3. Copyright
    Copyrights to the content and the Data belong to the Company or the manufacturers of the Products. The said copyright is protected by the Copyright Act and international treaties. The use (including duplication, modification, uploading, posting, transmission, distribution, licensing, sales and publishing) of the Data except for the purpose to use the Data described above without prior approval of the Company is not allowed. The Data cannot be used for any purposes (including sales promotion) except for designing your machine. If you violate this provision or the laws or regulations, the Company may prohibit you from the use of the Data, the Company’s site and/or take legal action. So long as you comply with these terms and conditions, the Company grants to you a non-exclusive, non-transferable, revocable license to access and use the Data for the sole purpose of assisting you in designing machines that incorporate products.
    4. Disclaimer of Warranty
    ANY AND ALL CONTENT APPEARING ON THIS WEB SITE IS PROVIDED FOR INFORMATIONAL PURPOSES ONLY. THIS WEB SITE, ITS CONTENT AND ITS LINKS ARE PROVIDED ON AN "AS IS" AND "AS AVAILABLE" BASIS AND ARE USED ONLY AT YOUR SOLE RISK, TO THE FULLEST EXTENT PERMISSIBLE BY LAW. THE COMPANY DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, OF ANY KIND, REGARDING THIS WEB SITE (INCLUDING ITS CONTENT, HARDWARE, SOFTWARE AND LINKS), INCLUDING AS TO FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, TITLE, NON INFRINGEMENT, RESULTS, ACCURACY, COMPLETENESS, ACCESSIBILITY, COMPATIBILITY, SECURITY AND FREEDOM FROM COMPUTER VIRUS. THE COMPANY WILL NOT BE LIABLE FOR ANY DAMAGES OR LOSSES, INCLUDING DIRECT, INDIRECT, CONSEQUENTIAL, SPECIAL, INCIDENTAL OR PUNITIVE DAMAGES AND/OR LOST PROFITS, IN CONNECTION WITH USE OF THE INTERNET, THIS WEB SITE, ITS CONTENT OR ITS LINKS
    Further, the Company will not be liable to you for any failure or delay by the Company to provide access to the Data or any of its obligations under these terms and conditions where such failure or delay is the direct or indirect result of any circumstances beyond the Company's reasonable control (and the Company's obligations will be suspended for the duration of such circumstances).
    5. Policy of Third Parties
    You may be required to separately agree to third party's policies if you use third party software to create or browse the Data or use a third party’s CAD data. In this case, the Company does not assume any responsibility for defects of such CAD data or the software of the third party or violation of their rights. Understand them before use.

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    Click the Good IDEA! button when this application example is helpful.


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    Cautions on the CAD data

    1. 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.
      You will need to edit the Data so that it meets your specific design conditions.
    2. The CAD data unit assembly consists of sub-assemblies.
      Each sub-assembly unit can be used as it is or can be edited.
    3. * The part in the frame is a sub-assembly unit.

    4. The Data for fabricated parts is based on easy-to-edit dimensions and shapes in sketches and histories.
    5. The Data including the third-part components are made by the Company.

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  • * Unit assembly CAD data consists of some sub-assemblies.
       Each sub-assembly unit can be used as it is or can be edited.

Application Overview

Purpose

  • Design simple and low cost conveyor that requires no motor power sources but utilizes gravity (weight of the material) to move the load.
  • Points for Use
    When the cylinder head is raised:
    The first workpiece is moving along cantilever arm and is stopped by the cylinder. At that time: back of the cantilever arm moves up and stops the second workpiece. Second workpiece is also sitting on the catilever arm.
    When the cylinder head is lowered:
    First workpiece moves to next position using gravity and incline of cantilever arm. At the same time the back of the cantilever arm is pulled back by spring to its home (horizontal) position. At the same time cylinder head raises up and second workpiece using gravity moves forward untill it hits cylinder stopper head.

Target workpiece

  • Cardboard box filled with products.
    External dims.: W170 x D120 x H195
    Workpiece weight: 5.0kg

Design Specifications

Operating Conditions or Design Requirements

  • Motion stroke: 250mm
  • External dimensions: W600 x D260 x H346

Required Performance

  • Total weight of components occupying conveyor: 100N

Selection Criteria for Main Components

  • Tension spring
    • A tension spring is used to return the cantilevered to the down position.
  • Cylinder with guide
    • Used as stop of initial (first) workpiece.
  • Shock absorbing stopper
    • Bumper with low elasticity rubber is selected to absorb shocks on parts.
  • Engineering plastic bearing
    • Select a type with ample load capacity.

Design Evaluation

Verification of main components

  • Verify if the spring can actuate the cantilever arm according to the position of the material (workpiece) on the rollers.
  • Tension spring load
    • Loads and spring deflection of cantilever arm varies with workpiece position
      (1) Load F1 (N) - when workpiece is sitting on the top of the front roller
      (2) Load F2 (N) - when back of cantilever arm is completely raised up
      (3) Load F3 (N) - when workpiece is not
    • Formula: Reaction force F = kx + Initial tension
    • Spring constant: Temporarily select k = 1.32N/mm
    • Initial tension = 4.71N
    • Max. designed deflection amount: x = 12mm (when set 1mm, when stroked 12mm)
    • (1) is,
      (1) F1 = 50N ⇒ Supported in 2 places, 25N
      (2) F2 = 1.32N/mm x 12mm + 4.71N = 21N
      (3) F3 = 1.32N/mm x 1mm + 4.71N = 6N
      Therefore (1) > (2) > (3) holds and selected spring constant k = 1.32/mm is correct.
  • Cylinder w / guide
    • Cylinder is used as a stopper.
    • Workpiece weight 5kg < 30kg (Max. weight)
    • Conveyance speed 15m/min < 30m/min (Max. speed)
      Therefore, the range is suitable.
  • Engineered plastic bearing
    • Since one workpiece is supported by 6 bearings,
      load on each bearing = 50N / 6 ≈ 8.5N
      therefore 8.5N < 176N (Load capacity)

Other Design Consideration

  • Since the tension spring is mounted on frame slots, tension adjustments are possible.
  • When the load travels on the conveyor, front and rear rollers of the cantilevered arms are moving by contacting the load.
  • Since the conveyor rollers are mounted on the extruded Aluminum frame slots, roller pitch can be adjusted.
  • The cantilevered arms are coupled together so right and left actuation is synchronized on individual load points.
  • In order to reduce the friction on the load as it moves down the conveyor resin rollers are used.

Explore Similar Application Examples

Page - / -

Part List

No. Part Name Sample picture MISUMI Part Number
For Price and Days to ship click on Part No.
Quantity
1 Engineered Plastic Bearings EBH26 4
2 Resins Bearing EBH13 4
3 Stopper Bolts UNSTH6-40 4
4 Rotary Shaft PFXAC6-22-F7-MA6 4
5 Metal Washers WSSM10-6-3 4
6 Bearing W/Housing SBGRA626ZZ 4
7 Spring Anchors AIPOK6-30 8
8 Squair Post SLSBJF8-126.5-M4-N4-G3-H3 4
9 Spring AUU10-35 4
10 Resins Bearing EBH30 28
11 Resins Bearing EBH35 26
12 Resin Plates MCA2H-70-25-7-F40-G12.5-Z3 1
13 Brackets for Aluminum Extrusion HBLTS6-SET 16
14 Casters HCFT6-60-SET 4
15 Aluminum Extrusion HFS6-3030-200 4
16 Aluminum Extrusion HFS6-3030-480 2
17 Aluminum Extrusion HFS6-3060-600 2
18 Aluminum Extrusion HFS6-3060-158 2
19 Aluminum Extrusion HFS6-3060-180 2
20 Nuts For Aluminum Extrusion HNTT6-6 86
21 End Caps for Aluminum Extrusion HFC6-3060-B 4
22 End Caps for Aluminum Extrusion HFC6-3030-B 4
23 Flow Rate Control Valves SPSNL6-M5 2
24 Socket Head Cap Screws-with Washer SCBS4-10 8
25 Socket Head Cap Screws-with Washer SCBS5-10 4
26 Socket Head Cap Screws-with Washer SCBS5-15 20
27 Socket Head Cap Screws-with Washer SCBS6-15 20
  • The part list above contains only MISUMI parts.
    The list of parts and machined products of other manufacturers than MISUMI can also be downloaded by part list download (CSV).
  • You will find information on price and shipping days, in the Online Quote and Order System.
  • TERMS AND CONDITIONS FOR USE OF CAD DATA
    Your access to the CAD data that MISUMI Corporation (hereinafter referred to as the Company) posts on this site (including 3D CAD data, intermediate 3D CAD data and 2D CAD data; hereinafter referred to as the Data) are of products manufactured and/or sold by the Company (hereinafter referred to as the Products) assumes that you have read and accepted these terms and conditions which govern your use of the Data. If you do not agree to these terms and conditions, you must stop using this website and the Data. You must not use the Data for any unlawful purpose or in any manner inconsistent with these terms and conditions.
    1. CAD Data
    The Data is prepared for assisting the Company's users in the CAD design process by providing dimensions and other Product information. In order to provide the best speed and stability working within this site, the Product drawings were simplified to reduce the size of the Data. For instance, some of the Products are shown without the oil groove shape, screws or spring shape. Also, please be aware that the tolerance, surface roughness and/or chamfer of the Data may vary from the actual Products.
    2. Disclaimer on Data
    While the Company has carefully prepared the Data, accuracy of the Data is not guaranteed and is subject to the variances as described above. The Company may also modify, add or delete the Data at any time without prior notice. The Company assumes no liability for any direct, indirect, consequential or special damages that you may claim resulted from your use of the Data or any changes to or deletions of the Data regardless of the reason. The Company provides no warranty as to the quality, accuracy, functionality, safety or reliability of the combination of Products and parts. Example applications and combinations of the Products are provided for illustrative purposes only.
    3. Copyright
    Copyrights to the content and the Data belong to the Company or the manufacturers of the Products. The said copyright is protected by the Copyright Act and international treaties. The use (including duplication, modification, uploading, posting, transmission, distribution, licensing, sales and publishing) of the Data except for the purpose to use the Data described above without prior approval of the Company is not allowed. The Data cannot be used for any purposes (including sales promotion) except for designing your machine. If you violate this provision or the laws or regulations, the Company may prohibit you from the use of the Data, the Company’s site and/or take legal action. So long as you comply with these terms and conditions, the Company grants to you a non-exclusive, non-transferable, revocable license to access and use the Data for the sole purpose of assisting you in designing machines that incorporate products.
    4. Disclaimer of Warranty
    ANY AND ALL CONTENT APPEARING ON THIS WEB SITE IS PROVIDED FOR INFORMATIONAL PURPOSES ONLY. THIS WEB SITE, ITS CONTENT AND ITS LINKS ARE PROVIDED ON AN "AS IS" AND "AS AVAILABLE" BASIS AND ARE USED ONLY AT YOUR SOLE RISK, TO THE FULLEST EXTENT PERMISSIBLE BY LAW. THE COMPANY DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, OF ANY KIND, REGARDING THIS WEB SITE (INCLUDING ITS CONTENT, HARDWARE, SOFTWARE AND LINKS), INCLUDING AS TO FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, TITLE, NON INFRINGEMENT, RESULTS, ACCURACY, COMPLETENESS, ACCESSIBILITY, COMPATIBILITY, SECURITY AND FREEDOM FROM COMPUTER VIRUS. THE COMPANY WILL NOT BE LIABLE FOR ANY DAMAGES OR LOSSES, INCLUDING DIRECT, INDIRECT, CONSEQUENTIAL, SPECIAL, INCIDENTAL OR PUNITIVE DAMAGES AND/OR LOST PROFITS, IN CONNECTION WITH USE OF THE INTERNET, THIS WEB SITE, ITS CONTENT OR ITS LINKS
    Further, the Company will not be liable to you for any failure or delay by the Company to provide access to the Data or any of its obligations under these terms and conditions where such failure or delay is the direct or indirect result of any circumstances beyond the Company's reasonable control (and the Company's obligations will be suspended for the duration of such circumstances).
    5. Policy of Third Parties
    You may be required to separately agree to third party's policies if you use third party software to create or browse the Data or use a third party’s CAD data. In this case, the Company does not assume any responsibility for defects of such CAD data or the software of the third party or violation of their rights. Understand them before use.

    CAD Data Download (Unit Assembly)

    CAD Data Download: File Format
    生成

    Thank you for downloading the data.

    Click the Good IDEA! button when this application example is helpful.


    This data is utilized in order to list more useful application examples in the future.

    Cautions on the CAD data

    1. 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.
      You will need to edit the Data so that it meets your specific design conditions.
    2. The CAD data unit assembly consists of sub-assemblies.
      Each sub-assembly unit can be used as it is or can be edited.
    3. * The part in the frame is a sub-assembly unit.

    4. The Data for fabricated parts is based on easy-to-edit dimensions and shapes in sketches and histories.
    5. The Data including the third-part components are made by the Company.

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