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inCAD Library

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  • Helpful application examples for mechanical engineers.

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  • Online application library with a range of ideas for all manufacturing industries.
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No.000220 Workpiece Positioning Mechanism
Good IDEA!
3

Positioning in X and Y directions with a single cylinder.

Relevant category

Resin Rollers

Resin Rollers
Product name Rollers - Plastic, Milled Type / Press-fit Type
Part number RORMCS20-L20
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria ｜ Available sizes

Selection criteria

For positioning without damaging the workpiece

Available sizes

■Rollers - Plastic, Milled Type / Press-fit Type

Material
Main Body Bearing
Polyacetal Steel
Stainless
Ultra High-molecular-weight Polyethylene Steel
Stainless
Chrome Plating Steel
Stainless
MC Nylon Steel

■Sizes and Dimensions

O.D.(mm) Shaft Bore Dia. Length
(1 mm increments) 		Bearing
20 6 15-100 696ZZ×2
30 8 20-100 698ZZ×2
10 6900ZZ×2
12 6901ZZ×2
40 10 6900ZZ×2
12 6901ZZ×2
15 6902ZZ×2
20 6804ZZ×2
50 12 30-100 6001ZZ×2
60 15 6002ZZ×2
80 15 6002ZZ×2

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Resin Washer

Resin Washer
Product name Resin Washers - Flanged / Flanged Solid
Part number FWHJM-D10-H12-V8-T1-L3
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria | Available sizes | Accuracy Info

Resin Washer

Suitable for serving as a washer while receiving spring force

Available sizes

■Resin Washers - Flanged / Flanged Solid

Material Color
Polyacetal White
Black
MC nylon
Standard grade 		Blue
Ivory
MC nylon
Conductive grade 		CDR2 Black
CDR6
Bakelite Paper Type Brown
Cloth Type Light Brown
Fluororesin White
PEEK Gray
Epoxy Glass Green

■Sizes and Dimensions

Flange Section O.D. O.D. I.D.
(0.5mm increments) 		Washer Section Thickness
(0.5mm increments) 		Overall Length
(0.5mm increments)
4.0-10
(0.5mm increments) 		6.0-20
(0.5mm increments) 		0
2.0
2.6
3.0-55.0 		1.0-8.0 2.0-5.5
6.0-10.0
10.5-20
(0.5mm increments) 		12.5-30
(0.5mm increments) 		2.0-5.5
6.0-10.0
21-30
(1mm increments) 		23-40
(1mm increments) 		2.0-5.5
6.0-10.0
31-40
(1mm increments) 		33-50
(1mm increments) 		2.0-5.5
6.0-10.0
41-50
(1mm increments) 		43-60
(1mm increments) 		2.0-5.5
6.0-10.0
51-60
(1mm increments) 		53-70
(1mm increments) 		2.0-5.5
6.0-10.0

Accuracy Info

■Accuracy of the Resin Washers (Flanged)

Flange Section O.D. Tolerance  0
-0.2
O.D. Tolerance  0
-0.2
I.D. Tolerance +0.3
+0.1
Washer Section Thickness Tolerance ±0.1
Overall Length Tolerance  0
-0.3

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IDEA NOTE Simultaneous positioning in X and Y directions with a single actuator

By diagonally pressing a workpiece against three positioning rollers, simultaneous positioning in the X and Y directions is achieved.

  • 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.
    In case that the CAD data is found to have been to be used for any purpose other than mentioned above or against the related laws, MISUMI may take legal actions, including the one for blocking the involved user from using CAD data and from accessing to the MISUMI site.
    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).

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    CAD Data Limitations

    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. Unit assembly Data consists of some sub-assemblies.
      It is configured so that each sub-assembly unit can be used as it is or edited.

      3. * The part in the frame is a sub-assembly unit.

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

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  • * Unit assembly Data consists of some sub-assemblies.
       It is configured so that each sub-assembly unit can be used as it is or edited.

Application Overview

Purpose

  • Purpose
    • Accurately position a workpiece in the X and Y directions.
  • Operation
    • A workpiece is loaded inside the three positioning rollers. Positioning rollers connected on a cylinder rod presses the corner of workpiece and position workpiece in X and Y direction.

Target workpiece

  • Shape: pallet
  • Size: W300 x D200 x H30mm
  • Weight: 1.1kg

Design Specifications

Operating Conditions or Design Requirements

  • Specifications
    • Positioning capability that withstands a machining load of 50N.
    • Outer dimensions: W259 x D200 x H80mm

Selection Criteria for Main Components

  • Cylinder is selected based of the cylinder thrust force.

Design Evaluation

Verification of main components

  • The cylinder thrust is verified based on the workpiece positioning load.
    • (confirmation of positioning cylinder thrust)
    • Conditional value: operating air pressure 0.5MPa, efficiency: 0.8
    • Cylinder theoretical thrust: 245N
      As a workpiece is pressed diagonally in this application example,
      X direction: from cylinder thrust x efficiency x cos(angle of cylinder thrust),
      245 x 0.8 x cos 33.7° = 163.06N
      Y direction: from cylinder thrust x efficiency x sin(angle of cylinder thrust),
      245 x 0.8 x sin 33.7° = 108.7N
    • (Confirmation of positioning capability)
    • Conditional value: pallet weight: 1.1kg, friction coefficient: μ = 0.02 (on ball rollers), machining load 50N
    • The cylinder thrust required for positioning is
      1.1 x 9.8 x 0.02 + 50 = 50.2156N < 108.7N
      -> The condition is met.

Other Design Consideration

  • Workpiece positioning rollers are installed at three positions.
  • The actuator positioning rollers should be arranged so as to press the workpiece diagonally.
  • Two actuator positioning rollers should be able to swing so rollers can evenly contact the workpiece.
    To stabilize the position of the workpiece, springs could be used.
  • To tolerate shaft displacement due to positioning, resin washer with large inner diameter are used on the pusher base cylinder.

Explore Similar Application Examples

Page - / -

Part List

No. Part Name Sample Picture MISUMI Part Number
(click the Part Number below for details) 		Quantity
1 Resin Washers RORMCS20-L20 5
2 Spring WSSM10-6-1 10
3 Shafts Supports CCG5-32 1
4 Flanged Linear Bushings FWHJM-D10-H12-V8-T1-L3 2
5 Linear Shaft FWHJM-D10-H12-V6-T1-L3 2
6 Air Cylinders UY12-70 2
7 Brackets For Air Cylinders SHSTMH12-26 4
8 Floating Joints LHICD12 2
9 Sensors for Air Cylinders PSFJ12-140 2
10 Flow Rate Control Valves MSCCA25-50 1
11 Hinge Bases CFKPM25 2
12 Hinge Bases FJCC10-1.25 1
13 Low Head Shoulder Bolts MD13L1 2
14 Precision Pivot Pins MNSPS4-M5 2
15 Precision Pivot Pins HGCTM5-W10-H20 1
16 Hinge Pins HGCNM5-W10-H20 1
17 Knuckle Joint FSMSBG6-30-10 5
  • The part list above only contains MISUMI parts.
    Part list download (CSV) includes MISUMI and third party components used in this example.
  • 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.
    In case that the CAD data is found to have been to be used for any purpose other than mentioned above or against the related laws, MISUMI may take legal actions, including the one for blocking the involved user from using CAD data and from accessing to the MISUMI site.
    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).

    CAD Download (Unit Assembly)

    CAD Download: File Format
    生成

    Thank you for downloading the data.

    Click the Good IDEA! button when you find interesting design tips.


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

    Good IDEA!

    CAD Data Limitations

    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. Unit assembly Data consists of some sub-assemblies.
      It is configured so that each sub-assembly unit can be used as it is or edited.

      3. * The part in the frame is a sub-assembly unit.

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

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