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    collected from dozens of industries!

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No.000308 Sheet Forming Machine

Simplified bending/forming machine

Relevant category

Shaft Supports

Product name Shaft Supports - Flanged Mount with 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

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
1045 Carbon Steel Black Oxide
Electroless Nickel Plating
304 Stainless Steel -
6061 Aluminum Alloy 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

Product name Stopper Bolts With Urethane- Standard, Straight Shape
Part number SUST8-50
* Orange colored cells in the table below indicate the part numbers used in this example.

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 4137 Alloy Steel 10.9 Trivalent Chromate 1018 Carbon Steel Trivalent Chromate
304 Stainless Steel - - 304 Stainless Steel -
Low Repulsion Urethane
(Gray)
Shore A70 4137 Alloy Steel 10.9 Bright Chromate Plating 1018 Carbon Steel Trivalent Chromate
Polyacetal
(White)
- 4137 Alloy Steel 10.9 Trivalent Chromate 1018 Carbon Steel Trivalent Chromate
304 Stainless Steel - - 304 Stainless Steel -
Silicon
(Light Gray)
Shore A70 4137 Alloy Steel 10.9 Trivalent Chromate 1018 Carbon Steel Trivalent Chromate
304 Stainless Steel - - 304 Stainless Steel -

■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

Product name Support Units - Fixed Side, Round
Part number BRW12-SET
* Orange colored cells in the table below indicate the part numbers used in this example.

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
1045 Carbon Steel 1018 Carbon Steel 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 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.

    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.

    4. The Data for fabricated parts is based on easy-to-edit dimensions and shapes in sketches and histories.
    5. 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

  • 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 = LF/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
(click the Part Number below for details)
Quantity
1 Shaft Supports Flanged Mount - Standard - Standard Through/Tapped Mounting Holes / Long Sleeve STHR20 4
2 Linear Shafts-Straight Type - One End Threaded with Undercut SFJ20-720 2
3 Urethane Washers URWH40-20-10 4
4 Nuts for Lead Screws/Compact/Round Flanged MTSFR18 1
5 Deep Groove Ball Bearing with Retaining Rings/Double Shielded B6901ZZNR 4
6 Stopper Bolts - Shoulder Type SUST8-50 2
7 Rails for Switches and Sensors - L Configurable, No Hole (Shape A, B and C) SENC5-200 1
8 Stopper Bolts - Hex Socket Head - Cap Screw Type PSCB5-20 4
9 Lead Screws/Both Ends Double Stepped MTSBRX18-755-F13-V10-T28-G4-Q12-S17-E10-AC14 1
10 Disc Couplings - Standard Torque, Set Screw MCGL32-10-12 1
11 Hex Posts - One End Threaded One End Tapped, Thread Length & Dia. Configurable SLSBH6-15-F10-M3-N3 4
12 Support Units/Round/Fixed Side BRW12-SET 1
13 Flanged Linear Bushings - Double, Opposite Counterbored Hole LHFRW20 2
14 Cable Carriers-Slit Type SE045F-16-018-27 1
15 One End Chamfered/One End Radiused MSC5-20 4
16 Hex Socket Set Screws - Flat End MSSFS4-6 2
17 Socket Head Cap Screws/with Standard Washer Set SCBS3-12 4
18 Socket Head Cap Screws/with Standard Washer Set SCBS4-10 10
19 Socket Head Cap Screws/with Standard Washer Set SCBS5-16 2
20 Socket Head Cap Screws/with Standard Washer Set SCBS5-20 22
21 Socket Head Cap Screws/with Standard Washer Set SCBS6-25 18
22 Socket Head Cap Screws/with Standard Washer Set SCBS5-25 12
23 Socket Head Cap Screws/with Standard Washer Set SCBS8-25 10
24 Socket Head Cap Screws/with Standard Washer Set SCBS8-30 4
25 Disc Couplings - Standard Torque, Set Screw MCGL40-12-RDC15 1
  • 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.

    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.

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

    Page top

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