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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.
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  • 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.
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  • 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.

    4. Log in to download free CAD models.
    Download CAD for the entire application example!

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  • Upper right corner on the page of application example details

  • Pop-up dialog for CAD data downloading

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Keyword Search
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No.000016 Continuity Inspection Fixture
Good IDEA!
50

Spring held surface inspection fixture

Relevant category

T Shaped Handle

T Shaped Handle
Product name T-Shaped Handles
Part number TSPF50-3
Features T-shaped resin handle
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria | Available sizes

Selection criteria

Suitable for work operations.

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Available sizes

■T-Shaped Handles

Material/Surface treatment
Handle Threads
Glass fiber reinforced nylon 1018 Carbon Steel(Inserts)
/Trivalent chromate
(Matte black)

■Sizes and Dimensions

Thread type Overall width Mounting thread DIA.
(Coarse) 		Thread length Mounting height
10 15 20 25
Male threads 50 M4 ○ ○ ○ - 43
M5 ○ ○ ○ -
M6 ○ ○ ○ -
80 M6 - ○ ○ ○
M8 - ○ ○ ○
M10 - ○ ○ ○
Female threads 50 M3・M4・M5 20
80 M5・M6・M8 25

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Extension Spring

Extension Spring
Product name Extension Springs - Standard Lengths?
Part number AUY8-50
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria | Available sizes | Performance info. | Technical calculations

Selection criteria

Simplest means of position return function.

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Available sizes

■Extension Springs - Standard Lengths

Load type Material O.D. range Free length range Hook on both ends
Spring Steel (ASTM A228) 304 Stainless Steel S shaped 90 deg.
S shaped
Extra light load ○ ○ φ2 - 12 10 - 100 ○ -
Light load ○ △ φ2 - 20 10 - 175 ○ △
Light Med. load ○ △ φ2 - 20 10 - 175 ○ △
Med. load ○ △ φ2 - 24 10 - 200 ○ △
Med.Heavy load ○ - φ2 - 12 10 - 100 ○ -
Heavy load ○ △ φ3 - 24 10 - 200 ○ △

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Performance info.

■Load info. of extension spring

Load type Reference load (N)
Min. Max.
Extra light load 0.69 19.6
Light load 1.86 78.45
Light Med. load 2.45 98.07
Med. load 3.53 225.55
Med.Heavy load 6.47 83.36
Heavy load 8.8 430.51

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Technical calculations

■Load calculations of extension spring

P = Pi + (k x F)

  • P: Load (N)
  • Pi: Initial tension (N)
  • k： Spring constant(N/mm)
  • F: Deflection (mm)

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Contact Probe

Contact Probe
Product name Contact Probes - NP90SF, NP90 Series?
Part number NP90HD-C
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria | Available sizes | Performance info.

Selection criteria

Essential for fixture function

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Available sizes

■Contact Probes - NP90SF, NP90 Series

Part name Material Surface treatment
Plunger C1730B Nickel base rhodium plated
Barrel Brass Nickel base gold plated
Spring Carbon Steel Gold plated
Ball 52100 Bearing Steel Gold plated

■Tip shape

Tip shape Min. mounting pitch Full stroke Initial spring pressure
A 4.5 6.4 10gf、40ｇｆ、146gf
B 3.5
C
D 4.5
E 3.5
G
AS

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Performance info.

■Contact probe (Min. mounting pitch 3.5mm) load info.

Spring pressure Allowable current Resistance Replacement frequency guideline
Initial 2/3 stroke
10gf 50gf 1.5A 80mΩ 300,000 cycles
40gf 150gf
146gf 250gf

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IDEA NOTE Linear guide and extension spring maintain Always-Open status

The linear guide and extension spring keep the probe off the workpiece except during continuous inspection.

  • Terms of use of CAD data and simplified drawing data
    These terms and conditions (hereinafter referred to as “the Terms") set forth the conditions for downloading CAD data and simplified drawing data posted on https://th.misumi-ec.com/ (hereinafter referred to as the "Website") operated by MISUMI (THAILAND) CO., LTD. (hereinafter referred to as "MISUMI"). By downloading CAD data and simplified drawing data posted on the Website (hereafter referred to as “Data”), customers are deemed to have agreed to these Terms.

    1. Purpose of Use
    MISUMI offers the following:
    1)CAD data found on the Website (3D CAD data, 3D Intermediate data and 2D CAD data) for the purpose of informing customers of the characteristics of the products offered by MISUMI or a manufacturer affiliated with MISUMI for use in their designs.
    2)Simplified drawing data (in PDF format) for the purpose of checking the specifications of products.
    2. Characteristics of Data
    There may be a discrepancy in certain characteristics of products (for example: tolerance, surface roughness, chamfer, etc.) between the Data and the actual product. Furthermore, for the purpose of reducing the file size of the Data, some information such as oil groove shapes, threads, or spring shapes, may be removed from the Data.
    3. Disclaimer
    MISUMI carefully creates the Data but makes no warranty as to the accuracy of the Data. MISUMI may at any time, and with no prior notice to customers, revise or delete Data. MISUMI assumes no responsibility for any damage or loss resulting from any revision or deletion of the Data, or any errors in said data. Customers are solely responsible for all aspects of their own designs, including those made using MISUMI’s CAD data. MISUMI may provide customers with design example data on the Website, but the quality, accuracy, functionality, safety, reliability, etc., of such data are not guaranteed. MISUMI may, at any time, and in its sole discretion, request that the customer cease its use of or destroy the Data in its possession. MISUMI may request the customer provide MISUMI documentation of such destruction.
    4.Prohibited Acts
    Customers or users of the Data, are prohibited from the following acts regarding the Data, in whole or in part:
    (1)Requesting quotations or placing orders for products with third parties other than those authorized by MISUMI or its affiliates;
    (2)Receiving quotations or orders for products from third parties by providing the Data to a third party or using the Data in their own business;
    (3)Displaying links to the Website related to the Data on their own websites, etc., without MISUMI's consent;
    (4)Using or reproducing the Data beyond the scope of the above-stated Purpose of Use;
    (5)Modifying, altering, tampering with, translating, or adapting the Data;
    (6)Selling, transferring, lending, sublicensing, or providing the Data to third parties in any way without MISUMI’s consent;
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    (8)Publicly disclosing or exhibiting the Data without MISUMI's consent;
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    (10)Performing acts that interfere with the proper functioning of this Website, such as acquiring Data in bulk.
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    All title and copyright in and to any information contained in the Data are owned by MISUMI or the relevant manufacturer affiliated with MISUMI and are protected by applicable copyright laws and international treaties. By downloading Data, the customer acquires no ownership rights of any kind in the intellectual property contained within. Without prior approval from MISUMI, no part of the Data may be utilized (reproduced, modified, reverse-engineered, uploaded, presented, sent, distributed, licensed, sold, or published) for any purpose other than that mentioned above.
    In the event Data is found to have been to be used for any purpose other than that mentioned above or against any applicable laws, MISUMI may pursue any legal remedy available to it, which may result in forbidding the offending user from using the Data or accessing the Website.
    6. Third-Party Data
    MISUMI offers some Data provided by third parties. Such Data may be subject to separate terms and conditions, in addition to these terms. MISUMI makes no guarantee or warranty regarding Data from third parties.
    7. Export Control
    Customers shall comply with all applicable laws and regulations regarding the export of the Data.
    8. Amendments to the Terms
    MISUMI may, at any time, and in its sole discretion, modify these terms and conditions; any such modification will be effective immediately.
    9. Severability
    If any term or provision of these Terms is invalid, illegal, or unenforceable in any jurisdiction, such invalidity, illegality, or unenforceability shall not affect any other term or provision of these Terms or invalidate or render unenforceable such term or provision in any other jurisdiction.
    10．Miscellaneous
    These Terms and any disputes arising in connection therewith shall be exclusively governed by and construed in accordance with the laws of Thailand, without regard to its conflicts of law principles. The authorized courts in Thailand shall have exclusive jurisdiction to adjudicate any dispute arising in connection with these Terms.

    Revised: 16th November, 2025

    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 device used to inspect surface continuity using a contact probe.

    The unbroken and consistent existence or operation of something over a period of time.

Points for use

  • Manually held by toggle clamp operations.
  • Contact probe is lowered manually.

    Refers to exploratory needles in general in a broad sense. It is a part that contacts or connects to a specimen to measure the properties.

Target workpiece

  • Molded plastic products
    Dims.: W122 x D60 x H20

Design Specifications

Operating Conditions or Design Requirements

  • The toggle clamp operation angle is 90°.
  • External dims.: W230 x D100 x H219

Selection Criteria for Main Components

  • Toggle clamp
    • Maintained type with a horizontal handle is mounted on a 90° incline to save space.
  • Extension spring
    • Spring with a low constant force is selected to ease the operation effort.
  • Linear guide
    • Since the moment load is small, select a guide comparable to the fixture size.

Design Evaluation

Verification of main components

  • Spring constant extension force is low to make operation easier.
  • Extension spring load
    • Formula: Reaction force kx + Initial tension
    • Assumed operation load: F = 10.335N
    • Initial tension: 2.35N
    • Assumed deflection during operation: x = 39.5mm (When set 0mm, when stroked 39.5mm)
    • Moving part weight: 1.1N
    • k＝ (F - Initial tension + moving part weight) / x＝ (10.335 - 2.35 + 1.1) / 39.5 = 0.23
    • Spring constant: k = 0.23N/mm is selected.

Other Design Consideration

  • Linear guide stabilizes linear motion.
  • Select an extension spring with a constant large enough that the probe does not fall down by its own weight.

Explore Similar Application Examples

Page - / -

Part List

No. Part Name Sample Picture MISUMI Part Number
(click the Part Number below for details) 		Quantity
1 Toggle Clamps MC01-2B 1
2 T-Shaped Handles TSPF50-3 1
3 Spring Anchors - Wrench Flats SAIPOZ3-15 2
4 Linear Guides SSEBZ10-75 1
5 Linear Guides SSEBZ10-95 1
6 Tension Springs AUY8-50 1
7 Contact Probes NR90-C 1
8 Contact Probe NP90HD-C 1
9 Dowel Pins MS3-15 6
  • The part list above only contains MISUMI parts.
    Part list download (CSV) includes MISUMI and third party components used in this example.
  • Terms of use of CAD data and simplified drawing data
    These terms and conditions (hereinafter referred to as “the Terms") set forth the conditions for downloading CAD data and simplified drawing data posted on https://th.misumi-ec.com/ (hereinafter referred to as the "Website") operated by MISUMI (THAILAND) CO., LTD. (hereinafter referred to as "MISUMI"). By downloading CAD data and simplified drawing data posted on the Website (hereafter referred to as “Data”), customers are deemed to have agreed to these Terms.

    1. Purpose of Use
    MISUMI offers the following:
    1)CAD data found on the Website (3D CAD data, 3D Intermediate data and 2D CAD data) for the purpose of informing customers of the characteristics of the products offered by MISUMI or a manufacturer affiliated with MISUMI for use in their designs.
    2)Simplified drawing data (in PDF format) for the purpose of checking the specifications of products.
    2. Characteristics of Data
    There may be a discrepancy in certain characteristics of products (for example: tolerance, surface roughness, chamfer, etc.) between the Data and the actual product. Furthermore, for the purpose of reducing the file size of the Data, some information such as oil groove shapes, threads, or spring shapes, may be removed from the Data.
    3. Disclaimer
    MISUMI carefully creates the Data but makes no warranty as to the accuracy of the Data. MISUMI may at any time, and with no prior notice to customers, revise or delete Data. MISUMI assumes no responsibility for any damage or loss resulting from any revision or deletion of the Data, or any errors in said data. Customers are solely responsible for all aspects of their own designs, including those made using MISUMI’s CAD data. MISUMI may provide customers with design example data on the Website, but the quality, accuracy, functionality, safety, reliability, etc., of such data are not guaranteed. MISUMI may, at any time, and in its sole discretion, request that the customer cease its use of or destroy the Data in its possession. MISUMI may request the customer provide MISUMI documentation of such destruction.
    4.Prohibited Acts
    Customers or users of the Data, are prohibited from the following acts regarding the Data, in whole or in part:
    (1)Requesting quotations or placing orders for products with third parties other than those authorized by MISUMI or its affiliates;
    (2)Receiving quotations or orders for products from third parties by providing the Data to a third party or using the Data in their own business;
    (3)Displaying links to the Website related to the Data on their own websites, etc., without MISUMI's consent;
    (4)Using or reproducing the Data beyond the scope of the above-stated Purpose of Use;
    (5)Modifying, altering, tampering with, translating, or adapting the Data;
    (6)Selling, transferring, lending, sublicensing, or providing the Data to third parties in any way without MISUMI’s consent;
    (7)Altering the content, reverse engineering, decompiling, disassembling, or analyzing the Data;
    (8)Publicly disclosing or exhibiting the Data without MISUMI's consent;
    (9)Using the Data for the purpose of providing products and services identical or similar to those of MISUMI;
    (10)Performing acts that interfere with the proper functioning of this Website, such as acquiring Data in bulk.
    5. Copyright
    All title and copyright in and to any information contained in the Data are owned by MISUMI or the relevant manufacturer affiliated with MISUMI and are protected by applicable copyright laws and international treaties. By downloading Data, the customer acquires no ownership rights of any kind in the intellectual property contained within. Without prior approval from MISUMI, no part of the Data may be utilized (reproduced, modified, reverse-engineered, uploaded, presented, sent, distributed, licensed, sold, or published) for any purpose other than that mentioned above.
    In the event Data is found to have been to be used for any purpose other than that mentioned above or against any applicable laws, MISUMI may pursue any legal remedy available to it, which may result in forbidding the offending user from using the Data or accessing the Website.
    6. Third-Party Data
    MISUMI offers some Data provided by third parties. Such Data may be subject to separate terms and conditions, in addition to these terms. MISUMI makes no guarantee or warranty regarding Data from third parties.
    7. Export Control
    Customers shall comply with all applicable laws and regulations regarding the export of the Data.
    8. Amendments to the Terms
    MISUMI may, at any time, and in its sole discretion, modify these terms and conditions; any such modification will be effective immediately.
    9. Severability
    If any term or provision of these Terms is invalid, illegal, or unenforceable in any jurisdiction, such invalidity, illegality, or unenforceability shall not affect any other term or provision of these Terms or invalidate or render unenforceable such term or provision in any other jurisdiction.
    10．Miscellaneous
    These Terms and any disputes arising in connection therewith shall be exclusively governed by and construed in accordance with the laws of Thailand, without regard to its conflicts of law principles. The authorized courts in Thailand shall have exclusive jurisdiction to adjudicate any dispute arising in connection with these Terms.

    Revised: 16th November, 2025

    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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