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inCAD Library

Please read before use

What is inCAD Library?

  • Helpful application examples for mechanical engineers.

The Concept of inCAD Library

  • Online application library with a range of ideas for all manufacturing industries.
  • Save design time and learn new design applications when you are concepting new machines.

Disclaimer

  • MISUMI may not offer all parts in each application design. Available parts can only be purchased separately not as a unit shown in each application design.
  • MISUMI does not guarantee quality, accuracy, functionality, safety or reliability for the combination of the parts in each application example. Accept these points prior to use.
  • 2014 Copyright MISUMI
  • The data cannot be used for any purposes (including sales promotion) except for designing your machine.
  • All associated CAD is free. Misumi reserves the right at its sole discretion to cancel, terminate or modify this offer.
  • MISUMI may change, add or delete application examples posted without prior notice.
  • MISUMI assumes no responsibilities for any damage incurred resulting from your use of the Service or any change, addition or deletion by MISUMI of the application examples for any reason whatsoever.

inCAD Library Features

  1. Get great new design ideas for these application examples.

    2. Over 300 design application ideas
    collected from dozens of industries!

  2. Find application examples quickly! Search by function, workpiece shape, etc.


  3. Download the CAD models for each application example.

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No.000029 Air Flow Confirmation Fixture
Good IDEA!
9

Uniform load retention with two springs

Relevant category

Hand Valve

Hand Valve
Product name One-Touch Coupling Shut-Off Valves
Part number BVHVU4-3
Features Residual Pressure Relief Valves
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria | Available sizes

Selection criteria

For an operator to control the inspection timing.

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Available sizes

■One-Touch Coupling Shut-Off Valves

(Tube DIA.) Number of circuits Handle color Effective cross section area
(mm2)
φ4 2way valve・3way valve Blue・Red 3.4
φ6 7.2
φ8 8.7
φ10 17.4
φ12 18.1

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O Ring

O Ring
Product name O-Rings - P Series
Part number NPA5
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria | Available sizes | Accuracy Info

Selection criteria

Economical and proven airtight component.

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Available sizes

■O-Rings - P Series

Material Hardness
(JIS Hs) 		Color Usable temperature
range 		JIS Symbol Purpose
Nitrile rubber 70±5 Black －30-100℃ Class1A Mineral oil resistant
90±5 Black －25-100℃ Class1B
Silicon rubber 50±5 Milky white －50-200℃ − Heat resistant
70±5 Dark blue －50-200℃ Class4C
Fluorine rubber 70±5 Black －15-200℃ Class4D
90±5 Black －15-200℃ −
Ethylene-
propylene rubber 		70±5 Black －45-130℃ − 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
P3 φ2.8 φ1.9 φ3 φ6
P4 φ3.8 φ4 φ7
P5 φ4.8 φ5 φ8
P6 φ5.8 φ6 φ9
P7 φ6.8 φ7 φ10
P8 φ7.8 φ8 φ11
P9 φ8.8 φ9 φ12
P10 φ9.8 φ10 φ13
P10A φ9.8 φ2.4 φ10 φ14
P11 φ10.8 φ11 φ15
P11.2 φ11 φ11.2 φ15.2
P12 φ11.8 φ12 φ16
P12.5 φ12.3 φ12.5 φ16.5
P14 φ13.8 φ14 φ18
P15 φ14.8 φ15 φ19
P16 φ15.8 φ16 φ20
P18 φ17.8 φ18 φ22
P20 φ19.8 φ20 φ24
P21 φ20.8 φ21 φ25
P22 φ21.8 φ22 φ26

＊Please see the product pages for other diameter rings.

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Accuracy Info

■Accuracy of O ring P series

Ring wire DIA. tolerance:

Wire DIA. tolerance
φ1.9 ±0.08
φ2.4 ±0.09
φ3.5 ±0.10
φ5.7 ±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 Silicon Fluorine
Ethylene
P3 φ2.8 ±0.14 ±0.21 ±0.16
P4 φ3.8
P5 φ4.8 ±0.15 ±0.22 ±0.18
P6 φ5.8
P7 φ6.8 ±0.16 ±0.24 ±0.19
P8 φ7.8
P9 φ8.8 ±0.17 ±0.25 ±0.20
P10 φ9.8
P10A φ9.8
P11 φ10.8 ±0.18 ±0.27 ±0.21
P11.2 φ11
P12 φ11.8 ±0.19 ±0.28 ±0.22
P12.5 φ12.3
P14 φ13.8
P15 φ14.8 ±0.20 ±0.30 ±0.24
P16 φ15.8
P18 φ17.8 ±0.21 ±0.31 ±0.25
P20 φ19.8 ±0.22 ±0.33 ±0.26
P21 φ20.8 ±0.23 ±0.34 ±0.27
P22 φ21.8 ±0.24 ±0.36 ±0.28
P22A φ21.7
P22.4 φ22.1
P24 φ23.7
P25 φ24.7 ±0.25 ±0.37 ±0.30
P25.5 φ25.2
P26 φ25.7 ±0.26 ±0.39 ±0.31
P28 φ27.7 ±0.28 ±0.42 ±0.33
P29 φ28.7 ±0.29 ±0.43 ±0.34
P29.5 φ29.2
P30 φ29.7

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IDEA NOTE Push force is uniform

Two springs are placed in parallel for the workpiece pusher, making the push force uniform over a large surface.

IDEA NOTE High accuracy clamping with linear guides

A linear guide is placed under the workpiece pusher with a toggle clamp on the tip, stabilizing the pusher operation when pushed by the toggle clamp.

  • 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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  • * 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

  • A fixture that applies a uniform force to hold down a resin tube.
  • This setup is designed for measurement of fluid flow rate through resin tube.

Points for use

  • This setup is vertically mounted and the resin tube is manually secured by toggle clamps.
  • An o-ring is used to prevent fluid leakage .

    Air flow is inhibited by being sealed, and is not affected by changes in atmospheric pressure.

Target workpiece

  • Resin tubing
    External dims.: W70 x D44 x H18
    Weight: 25g

Design Specifications

Operating Conditions or Design Requirements

  • Toggle clamp stroke: 17mm
  • Spring deflection: 7mm
  • External dims.: W220 x D210 x H127 (max.)

Required Performance

  • Workpiece retaining load: 23.5N

Selection Criteria for Main Components

  • Toggle clamp
    • Side push type since horizontal motion is required.
  • Linear guide
    • While the moment load is minimal, select the appropriate miniature linear guide that matches the fixture size.

Design Evaluation

Verification of main components

  • Select a spring capable of retaining the workpiece.
  • Spring load
    • Calculation formula: F = kx
    • Assumed load: F = 23.5N (for 2 springs)
    • Assumed deflection when pressure applied: x = 12mm (When set 5mm (Set length: 20mm, Free length: 25mm), When stroked 7mm)
    • Spring constant: k = 23.5 / 2 / 12 = 0.98N/mm selected

Other Design Consideration

  • Based on the calculated forces required, select a spring stiffness that can reliably clamp the workpiece.

Explore Similar Application Examples

Page - / -

Part List

No. Part Name Sample Picture MISUMI Part Number
(click the Part Number below for details) 		Quantity
1 Compression Springs WL12-25 2
2 Toggle Clamps MC03-S1 1
3 Toggle Clamps MC01-3 1
4 Floating Joints FJTM4-0.7-4 1
5 Clamping Bolts TGSPM6 1
6 Linear Guides SSEBSLZ10-60 1
7 Hand Valves BVHVU4-3 1
8 Joint MJELLS4-M5-B 1
9 Tubes PUT4-10-CB 1
10 O Ring NPA5 1
11 Oil Free Bushings JZF8-8 2
12 Linear Shaft SSFUW8-29-M4-N4 2
13 Collars KNCLSS4-12-35 4
14 Metal Washers TWSSS12-4-1 2
15 Dowel Pins MSC3-10 2
16 Socket Head Cap Screws-with Washer SCBS3-8 2
17 Socket Head Cap Screws-with Washer SCBS4-8 2
18 Socket Head Cap Screws-with Washer SCBS4-10 5
19 Socket Head Cap Screws-with Washer SCBS4-15 4
20 Socket Head Cap Screws-with Washer SCBS4-20 4
  • 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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