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  • Helpful application examples for mechanical engineers.

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No.000239 W Reversing Mechanism

Angled rack and pinion mechanism used to reverse a work piece.

Relevant category

Rack Gear

Product name Gear Racks - Pressure Angle 20Deg., Configurable L Dimension
Part number RGEAL1.5ST-100-A5-B45-C45
Features This enables to switch between rotating motion and linear motion. Length and mounting hole machining can be specified.
* Orange colored cells in the table below indicate the part numbers used in this example.

Selection criteria

Selected to achieve simultaneous rotation.

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Risk info.

Wear due to lack of teeth surface hardening.

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Available sizes

■Gear Racks - Pressure Angle 20Deg., Configurable L Dimension

Material Surface Treatment
1045 Carbon Steel Black Oxide Coating
Free-Cutting Brass Bar -
304 Stainless Steel -
MC Nylon -

■Sizes and Dimensions

Material Module Tooth width Overall Length
Configure in 1mm increments
1045 Carbon Steel 1.0 10 20-400
1.5 15
2.0 20
2.5 25
3.0 30
Free-Cutting Brass Bar 0.5 3 20-280
0.8 4
304 Stainless Steel 0.5 3 20-280
0.8 4
1.0 10 20-480
1.5 15
2.0 20
2.5 25
3.0 30
MC Nylon 0.5 3 20-280
0.8 4
1.0 10 20-480

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Accuracy Info

■Rack Gear (Accuracy Information)

Accuracy: Accumulated Total Pitch Error (Unit: µm).

Module Overall Length
100. or Less 101-300 301-500 501-1000 1001-1980
0.5-1.5 54(76) 65(92) 72(101) 100(117) 99(139)
2.0-3.0 62(86) 73(102) 80(112) 91(128) 105(148)

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Induction Hardened Flat Gear

Product name Induction Hardened Spur Gears - Pressure Angle 20Deg.
Part number GEAHBH1.5-32-15-A-20
Features Gears with hardened teeth which provides excellent strength, abrasion resistance and high precision
* Orange colored cells in the table below indicate the part numbers used in this example.

Selection criteria

Reduce wear to gear teeth.

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Available sizes

■Induction Hardened Spur Gears - Pressure Angle 20Deg.

Material Surface Treatment Hardness Accessory
1045 Carbon Steel Black Oxide Coating Tooth Induction Hardened
51 - 55 HRC (Depth 1mm or more)
Set screw
(4137 Alloy Steel Black Oxide Coating)

■Sizes and Dimensions

Module Number of Teeth Shaft Hole Diameter
(Specify 1mm Increment)
Straight Bore
Straight Bore + Tap
Straight Bore
Straight Bore + Tap
1.0 18 6-10
20 6-11 8・10
22 8-14 8-12
24
25
26
28
30 10-17 10-15
32
35
36
40 10-21 10-18
45
48
50 12-24 12-18
60 12-28 12-25
70
80 15-35 15-30
100
1.5 15 10-12 10
16 10-13 10・11
18 10-15 10-13
20 10-16 10-14
24 12-19 12-17
25 12-21 12-18
26 12-22 12-19
28 15-25 15-19
30 15-26 15-23
32 15-28 15-24
35 15-29 15-26
36 15-31 15-28
40 15-35 15-31
45 18-35 18-31
48
50 18-42 18-38
60 20-42 20-38
70
Gear specification Shaft Hole Specifications
Straight Bore Straight Bore + Tap Keyway Keyway
+ Tap
Without Boss
With Boss

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Accuracy Info

■Accuracy of Flat Gear

Accuracy of Tooth:  Previous JIS B 1702 Class 4 (New JIS B 1702-1 Class 8 Equivalent).
Shaft Hole Diameter Tolerance:  H7.

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Thrust Ball Bearing

Product name Thrust Ball Bearings
Part number B51102
* Orange colored cells in the table below indicate the part numbers used in this example.

Selection criteria

Selected for supporting thrust load of workpiece and components.

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Available sizes

■Thrust Ball Bearings

Material
Steel Type 52100 Bearing Steel
Stainless Steel Type 440C Stainless Steel

■Sizes and Dimensions

I.D. Track Plate O.D. Track Plate I.D. Thickness
10 24 11 9
26 12 11
12 26 13 9
28 14 11
15 28 16 9
32 17 12
17 30 18 9
35 19 12
20 35 21 10
40 22 14
25 42 26 11
47 27 15
30 32 11
52 32 16

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Performance info.

■Speed/Load of Thrust Ball Bearing (Load Information)

I.D. Track Plate
O.D.
Basic Load Rating Allowable Rotational Speed
rpm
Steel Type Stainless Steel Type
Ca (Dynamic) kN Coa (Static) kN Ca (Dynamic) kN Coa (Static) kN
10 24 10.1 14 5 6.96 6700
26 12.8 17.1 - - 6000
12 26 10.4 15.4 5.15 7.7 6700
28 13.3 19 - - 5600
15 28 10.6 16.8 5.25 8.38 6300
32 16.7 24.8 - - 5000
17 30 11.4 19.5 5.39 9.07 6000
35 17.3 27.3 - - 4800
20 35 15.1 26.6 7.11 12.36 5300
40 22.5 37.5 - - 4300
25 42 19.7 37 9.76 18.63 4800
47 28 50.5 - - 3800
30 20.6 42 10.2 21.08 4300
52 29.5 58 - - 3400

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IDEA NOTE Reversing at the desired angle on 2 axis simultaneously using a rack & pinion mechanism.

The unit is linearly driven with 2 racks fixed in parallel and can be reversed on the 2 axis simultaneously for any desired angle of the pinion gear.

IDEA NOTE Radial + thrust

Workpiece positioning and rotation are supported by a mechanism combining a radial bearing and a thrust bearing.

  • 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).
    5. Policy of Third Parties
    You may be required to separately agree to third party's policies if you use third party software to create or browse the Data or use a third party’s CAD data. In this case, the Company does not assume any responsibility for defects of such CAD data or the software of the third party or violation of their rights. Understand them before use.

    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 dimensions of the MISUMI parts in the Data, which can be specifed at 1mm intervals, can be edited under historical data.
    6. 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

  • One axis of the linear rack section is driven by a cylinder, the pinions on the other axis are then rotated simultaneously to reverse them to any desired angle. (90° in the example).

Points for use

  • The work piece is transferred in and out by the up and down motion of the chucking mechanism on the external unit.
  • The stroke is controlled by both the sensor of the cylinder, and a mechanical stopper to ensure the precise workpiece angle.

Target workpiece

  • Material: Resin
  • External Shape:φ9 x W41mm
  • Mass: 3g

Features

Operating specifications · Dimensions

  • Workpiece rotation angle: 90°
  • Pinion Gear: m1.5, z32, P.C.D. 48mm
  • Required Cylinder Stroke: 37.7mm
  • System External Shape: W 390 x D 300 x H 106mm

Required accuracy・Load

  • Cylinder Thrust: 6.83N or more

Selection criteria of main components

  • Cylinder
    • Adopted thin type cylinder for space saving.
  • Pinion Gear
    • A pinion gear with a tap hole is used affixed to workpiece jig, so the jig can be rotated.

Design point

Calculation processes for the main components

  • Whether the cylinder thrust force can handle the slide-way load and rotation section load is verified below.
  • Thrust of cylinder (φ20mm, ST 50mm)
    • Condition value: Slide way total weight m1 = 1.714kg, linear guide friction coefficient μ1 = 0.005 (from catalog), rotating section total weight m2 = 0.688kg, conversion factor to slide motion of rotating section μ2 = 1 (assumed as a slide with a friction coefficient of 1 for safe side), operating pressure of cylinder: 0.2MPa
    • Slide way load: F1 = m1 x g x μ1, thus, F1 = 1.714 x 9.8 x 0.005 = 0.084N
    • Rotating section load: F2 = m2 x g x μ2, thus, F2 = 0.688 x 9.8 x 1 = 6.742N
    • Total load: F = F1 + F2 = 0.084 + 6.742 = 6.83N
    • Pull side thrust of cylinder: F0 = 47N(from catalog)
    • Safety factor: F0/F = 47/6.83 ≒ 6.88

Structure elaboration and design key points.

  • This system is effective for a corner section, that requires the reversing of multiple parts on an automated line in single file.
  • The workpiece table has a slotted hole in the rotated direction in order to enable the adjustment of the work piece position during rotation.
  • Installing a sensor and mechanical stopper in parallel enables precise positioning and angle adjustment of the workpiece. It also reduces the generation of moments by stopping the transmission of cylinder thrust prior to hitting the mechanical stopper.

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 Air Cylinders MSCCA20-50 1
2 Brackets For Air Cylinders CFKPB20 2
3 Sensors for Air Cylinders ME33L1 2
4 Flow Rate Control Valves SPSNL6-M5 2
5 Floating Joints FJXL8-1.25 1
6 Linear Guides SE2B20-220 2
7 Rack Gears RGEAL1.5ST-100-A5-B45-C45 2
8 Super Gear GEAHBH1.5-32-15-A-20 2
9 Parallel Keys KEGH5-LC12 2
10 Thrust Ball Bearings B51102 2
11 Deep Groove Ball Bearings B6002ZZ 2
12 Shaft Collars PSCSBR12-15 2
13 Stopper Bolts UST6-35 2
14 Dowel Pins MS4-10 6
15 Socket Head Cap Screws-with Washer CBST4-10 8
16 Socket Head Cap Screws-with Washer CBST4-15 22
17 Socket Head Cap Screws-with Washer CBST5-20 8
18 Socket Head Cap Screws-with Washer CBST6-20 12
  • The part list above only contains MISUMI parts.
    Part list download (CSV) includes MISUMI and third party components used in this example.
  • For price and shipping date see the Web Order System.
  • 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).
    5. Policy of Third Parties
    You may be required to separately agree to third party's policies if you use third party software to create or browse the Data or use a third party’s CAD data. In this case, the Company does not assume any responsibility for defects of such CAD data or the software of the third party or violation of their rights. Understand them before use.

    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 dimensions of the MISUMI parts in the Data, which can be specifed at 1mm intervals, can be edited under historical data.
    6. The Data including the third-part components are made by the Company.

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