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No.000308 Sheet Forming Machine
Good IDEA!
79

Simplified bending/forming machine

Related Category

Shaft Supports

Shaft Supports
Product name Shaft Supports/Flanged Mount/Thick Sleeve
Part number STHR20
Features Tapped Mounting Hole Type recommended
when mounting the supports to thin plates
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria | Available sizes | Accuracy Info

Selection criteria

Select the long sleeve to support a long shaft.

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Available sizes

■Shaft Supports - Flanged Mount with Thick Sleeve

Material Surface Treatment
EN 1.1191 Equiv. Black Oxide
Electroless Nickel Plating
EN 1.4301 Equiv. -
EN AW-6061 Equiv. Clear Anodize

■Sizes and Dimensions

Shaft Bore Dia. Overall Length Guide O.D. Flange O.D.
3 10 8 22
4 10 9 24
5 12 10 25
6 15 12 28
8 16 12 28
10 20 14 30
12 24 16 36
13 18 38
15 30 20 40
16 32 22 42
18 28 50
20 28 50
25 38 33 55
30 38 66
35 50 45 80
40 60 90
50 70 100

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Accuracy Info

■Accuracy of Shaft Supports

Shaft Bore Dia. Tolerance (H7)
3 +0.010
  0
4 +0.012
  0
5
6
8 +0.015
  0
10
12 +0.018
  0
13
14
15
16
18
20 +0.021
  0
25
30
35 +0.025
  0
40
50

Perpendicularity of the Mounting Surface and the Shaft Bore: 0.02

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Stopper Bolts with Urethane

Stopper Bolts with Urethane
Product name Stopper Bolts with Bumpers/Standard/Straight Shape
Part number SUST8-50
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria | Available sizes

Selection criteria

Selected to avoid shocks when stopping the rotation tip of the rotary actuator.

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Available sizes

■Stopper Bolts With Urethane- Standard, Straight Shape

Stopper Hex Screw Accessory (Hex Nut)
Material Hardness Material Strength Class Surface Treatment Material Surface Treatment
Urethane
(Black) 		Shore A90 EN 1.7220 Equiv. 10.9 Trivalent Chromate EN 1.0038 Equiv. Trivalent Chromate
EN 1.4301 Equiv. - - EN 1.4301 Equiv. -
Low Repulsion Urethane
(Gray) 		Shore A70 EN 1.7220 Equiv. 10.9 Bright Chromate Plating EN 1.0038 Equiv. Trivalent Chromate
Polyacetal
(White) 		- EN 1.7220 Equiv. 10.9 Trivalent Chromate EN 1.0038 Equiv. Trivalent Chromate
EN 1.4301 Equiv. - - EN 1.4301 Equiv. -
Silicon
(Light Gray) 		Shore A70 EN 1.7220 Equiv. 10.9 Trivalent Chromate EN 1.0038 Equiv. Trivalent Chromate
EN 1.4301 Equiv. - - EN 1.4301 Equiv. -

■Sizes and Dimensions

Screw Dia. (Coarse) Threaded Section Length (Length under Head)
M3 15 - 40 (Increments of 5)
M4 15 - 40 (Increments of 5)
M5 15 - 50 (Increments of 5)
M6 20 - 50 (Increments of 5), 60
M8 20 - 50 (Increments of 5), 60
M10 20 - 50 (Increments of 5), 60, 70
M12 30 - 70 (Increments of 10)

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Support Units

Support Units
Product name Support Units/Round/Fixed Side
Part number BRW12-SET
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria | Available sizes

Selection criteria

Use for ball screws on the fixed side / support side set to shorten the design time.

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Available sizes

■Support Units - Fixed Side, Round

Material Surface Treatment
Bearing Housing
Cover 		Collar
Bearing Nut 		Bearing Housing
Cover
Collar
Bearing Nut
EN 1.1191 Equiv. EN 1.0038 Equiv. Black Oxide
Electroless Nickel Plating
Low Temp. Black Plating

■Sizes and Dimensions

Bearing I.D. Fixed Side Length Flange Dimension
6 20 □28
8 23 □35
10 29 □42
12 □44
15 32 □52
20 52 □68
25 57 □79

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IDEA NOTE Sheet bending driven by a rotary actuator

A sheet in a positioning clamp state is pressed against the upper surface of the datum plane (clamper) by the roll bar. The pressing angle is adjusted as the adjustable rotary actuator is rotated at a low speed and stopped by the stopper.

  • 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.
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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 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.
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    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.
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    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

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    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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  • * 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

  • To roll the end portion of a resin sheet into a U shape.

Points for use

  • After the operator sets a resin sheet on the machining table, pressing the start button (1) clamps the resin sheet, (2) rotates the roll bar by 180° (bending the resin sheet into a U shape), (3) starts leftward travel of the heater at 120mm/2.3 sec, (4) activates the heater ON timer, (5) moves the heater to the right end of the resin sheet, (6) performs heating travel on the resin sheet at 260mm/4.9 sec, (7) makes the heater travel at 20mm/0.4 sec, (8) stops the heater at the left end (stroke end), (9) starts rightward travel of the heater, (10) performs heating travel on the resin sheet, (11) turns the heater OFF (by timer operation), and (12) stops the heater at the right end. Optimum conditions such as heating and air blow performed in combination, heater stop during rightward travel, and air blow travel should be determined through trial and error.

Target workpiece

  • Shape: resin film
  • Size: 260 x 45 x t0.7mm

Design Specifications

Operating Conditions or Design Requirements

  • Sheet clamp stroke: 100mm
  • Sheet rotation angle: 180°
  • Heater: 1kw
  • Heater travel unit stroke: 474mm
  • Travel time: 7.5sec (variable speed)
  • Outer dimensions: W987 x D455 x H514mm

Required Performance

  • Positioning accuracy: ±0.2mm

Selection Criteria for Main Components

  • Selection of heater
    • Heating temperature of 250°±30° adjustment by room-temperature compressed air blow (through trials and errors)
      The hot air blow ON/OFF timing is determined by the timer activated during travel.
      Heating time 15sec (in reciprocating operation)

Design Evaluation

Verification of main components

  • A motor with a torque that can withstand the load is selected.
    • Load of table unit: M = 7kg
      Lead of lead screw: L = 0.004m
      Drive section efficiency: η = 0.26
      Friction coefficient of guide: μ = 0.15
      Motor startup torque TM = 0.28N･m
      Rotation speed range of speed controller motor: n = 90 to 1400rpm
      Motor rotation speed: N = 60 x V/L
      = 60 x 53/4
      ≒ 800rpm
      Load: F = μ x M x 9.8
      = 0.15 x 7 x 9.8
      = 10.3N
      Load torque: T = FL/2πη
      = 10.3 x 0.004/2 x 3.14 x 0.26
      = 0.026N･m
      Therefore, T < TM

Other Design Consideration

  • A cylinder with a guide is used for sheet clamping to reduce cost.
  • For sheet rotation, a stopper is provided on the rotary actuator to make the bending amount adjustable.
  • The heater is fixed with screw clamps for facilitating replacement, and as its traveling accuracy and stopping accuracy specifications are rough, lead screws and a small-size speed controller motor are used.
  • The temperature of hot air is 450°C at the heater air blow port. To adjust the temperature, it is also equipped with an air blow nozzle.
  • The heating time should be determined through trial and error. The heating time is around 15 seconds (reciprocation).

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 Shaft Supports STHR20 4
2 Linear Shaft SFJ20-720 2
3 Soft Urethanee URWH40-20-10 4
4 Lead Screw Nuts MTSFR18 1
5 Ball Bearing B6901ZZNR 4
6 Stopper Bolts SUST8-50 2
7 Sensor Bracket SENC5-200 1
8 Stopper Bolts With Urethanee PSCB5-20 4
9 Lead Screws MTSBRX18-755-F13-V10-T28-G4-Q12-S17-E10-AC14 1
10 Couplings MCGL32-10-12 1
11 Hex Posts SLSBH6-15-F10-M3-N3 4
12 Support Units for Ball Screw BRW12-SET 1
13 Linear Bushings LHFRW20 2
14 Cable Carrier SE045F-16-018-27 1
15 Dowel Pins MSC5-20 4
16 Set Screws Flat Type MSSFS4-6 2
17 Socket Head Cap Screws-with Washer SCBS3-12 4
18 Socket Head Cap Screws-with Washer SCBS4-10 10
19 Socket Head Cap Screws-with Washer SCBS5-16 2
20 Socket Head Cap Screws-with Washer SCBS5-20 22
21 Socket Head Cap Screws-with Washer SCBS6-25 18
22 Socket Head Cap Screws-with Washer SCBS5-25 12
23 Socket Head Cap Screws-with Washer SCBS8-25 10
24 Socket Head Cap Screws-with Washer SCBS8-30 4
25 Couplings MCGL40-12-RDC15 1
  • 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;
    (3)Displaying links to the Website related to the Data on their own websites, etc., without consent of MISUMI or its affiliates;
    (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 consent of MISUMI or its affiliates;
    (7)Altering the content, reverse engineering, decompiling, disassembling, or analyzing the Data;
    (8)Publicly disclosing or exhibiting the Data without consent of MISUMI or its affiliates;
    (9)Using the Data for the purpose of providing products and services identical or similar to those of MISUMI or its affiliates;
    (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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