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No.000062 Sheet metal bending fixture
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25

Bending fixture which considers spring-back phenomenon.

Related Category

Toggle Clamps

Toggle Clamps
Product name Horizontal Handle/Horizontal or Vertical Base Push-Pull Type
Part number MC03-S1
Features Small clamps for light-duty operations with the horizontally-movable handles which are effective if there is an obstacle above.
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria | Available sizes

Selection criteria

Economical and suitable for obtaining predetermined load

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Available sizes

■Toggle Clamp - Side Push-pull, Horizontal (Flange Base)

Material EN 1.0038 Equiv. EN 1.4301 Equiv.
Surface Treatment Main body: Trivalent chromate / Shaft: Nickel Plating -
Stroke 17 16 17
Tightening force (N) 450 500 450
Weight (g) 50 65 50
Open-Close Angle of Handle 190° 180° 190°
Main Body Width 27 28 27
Overall Height (Fully Pushed Position) 43.5 17 43.5
Overall Length (Fully Pushed Position) 73.9 81.5 73.9
Handle Operating Direction Fore and Aft Right Turn Left Turn
Accessory Rubber Tipped Bolt (NBR, Shore A70) Stainless Steel Bolt

* Please see the product pages for shape details and dimensions.

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Long Knurled Head Screws

Long Knurled Head Screws
Product name Long Knurled Head Screws/Configurable Thread Length
Part number LRLBF3-A20-L6-D5
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria | Available sizes

Selection criteria

Suitable for using as a thin knob with appropriate length

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Available sizes

■Long Knurled Head Screws

Material Surface treatment
EN 1.7220 Equiv. Electroless Nickel Plating
EN 1.4305 Equiv. -

■Sizes and Dimensions

Under Head Screw Shaft Knurled Shaft
Screw Dia.
(Coarse) 		Length
(1mm increments) 		O.D
(1mm increments) 		Length
(1mm increments)
M3 6 ~ 40 Ø5 ~ Ø10 10 ~ 60
M4 6 ~ 40 Ø5 ~ Ø10
M5 10 ~ 50 Ø10 ~ Ø25
M6 10 ~ 50 Ø10 ~ Ø25

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IDEA NOTE Spring-back countermeasure.

After the 1st bend, the 2nd bend (90° or more) is performed as a countermeasure for spring-back.

  • 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 provided by MISUMI Corporation (hereinafter referred to as "MISUMI") via www.misumi-europe.com operated by MISUMI Europa GmbH(hereinafter referred to as the "Website"). 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 quality, accuracy, functionality, safety, reliability, etc., 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 the 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.
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    Revised: September 21, 2025

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Application Overview

Purpose

  • Manual bending fixture.
  • A sheet metal workpiece is clamped down by a toggle clamp on one side and bent horizontally by another toggle clamp on the opposite side. There is an additional vertical mechanism that applies a second bend vertically.

Points for use

  • Manual sheet metal bending operation.

Target workpiece

  • Sheet metal parts
    Dims.: W10 x D27 x t0.5

Design Specifications

Operating Conditions or Design Requirements

  • External dims.: W207 x D42 x H100
  • Toggle clamp stroke: 14mm
  • Spring-back countermeasure slide stroke (Vertical direction): 17.1mm

Required Performance

  • Hardness of die, bending punch, and pusher is HRC58 or higher (EN 1.4125 Equiv. heat treated)

Selection Criteria for Main Components

  • Toggle clamp
    • Side push type is selected since a horizontal motion is needed.
    • Clamping force on the sheet metal workpiece is needed therefore another toggle clamp is added.
    • Clamping force on the bending side must exceed the required force to bend the workpiece.

Design Evaluation

Verification of main components

  • Verify that the selected toggle clamp can withstand the required bending force.
  • Bending force
    • Count: C = 2.0
    • Bend length: B = 5mm
    • Thickness: t = 0.4mm
    • Tensile strength: Ts = 270N/mm² (Material: Low Carbon Steel)
    • Formula: Bending force P = (C / 3) x B x t x Ts = (2 / 3) x 5 x 0.4 x 270 = 360N
    • Toggle clamp clamping force: 450N > Bending force: 360N

Other Design Consideration

  • It may be necessary to bend more than 90 degrees due to spring-back phenomenon, apply force accordingly to material thickness and properties.
  • A spring plunger was mounted to the vertical mechanism to prevent the vertical motion.

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 Toggle Clamps MC03-S1 2
2 Linear Guides SSEB6-40 2
3 Indexing Plungers PMXYSB8 1
4 Long Knurled Head Screws  LRLBF3-A20-L6-D5 1
5 Dowel Pins MSC3-10 2
  • 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).
  • 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 provided by MISUMI Corporation (hereinafter referred to as "MISUMI") via www.misumi-europe.com operated by MISUMI Europa GmbH(hereinafter referred to as the "Website"). 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 quality, accuracy, functionality, safety, reliability, etc., 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 the 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;
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    (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 or the Terms, 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. Section 139 BGB (German Civil Code) shall not apply.
    10．Miscellaneous
    In the event that Customers violate the Terms, MISUMI and/or MISUMI Europa GmbH shall be entitled to claim the damages and expenses (including attorney's fees) incurred by such violation against the Customers.
    These Terms and any disputes arising in connection therewith shall be exclusively governed by and construed in accordance with the laws of the Federal Republic of Germany, without regard to its conflicts of law principles. The courts located in Frankfurt am Main/Germany shall have exclusive jurisdiction to adjudicate any dispute arising in connection with these Terms. By downloading the Data, you agree to submit to the exclusive and personal jurisdiction of the courts located in Frankfurt am Main/Germany.

    Revised: September 21, 2025

    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.

    Good IDEA!

    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.

    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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