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No.000207 Pitch feed mechanism

Mechanism to move carts down a line.

Related Category

Holder

Product name Side Mount/Flange Type/T Fixed
Part number HLRASW25
* Orange colored cells in the table below indicate the part numbers used in this example.

Selection criteria

Select a sturdy standard product with a long and compact design.

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Available sizes

■Holder, Side Mount, Flanged Type, T Size Fixed

Material Surface Treatment Surface Hardness
EN 1.1191 Equiv. Tufftride® 500HV ~
EN 1.4301 Equiv. Nitriding Treatment 1000HV ~
- -
Hard Chrome Plating 700HV ~

■Sizes and Dimensions

(Supporting connector part Dia.) Connector Part Keyway Length Connector Part Keyway Width (Supporting Joint Hex Size) Overall Depth (Overall Thickness) Overall Width Overall Height EN 1.1191 Equiv. EN 1.4301 Equiv.
Tufftride® Nitriding Treatment Not Treated Hard Chrome Plating
Ø4 4 4.5 6 8 30 10 - -
Ø6 6.5 8 34 13
Ø7 8 10 36 15
Ø8 6 9 12 10 42 18
Ø10 11 14 11 44 20
Ø13 8 14 17 13 52 24
Ø16 18 21 56 30
Ø18 12 20 23 17 66 34 -
Ø21 23 26 70 36
Ø25 15 27 30 21 84 43
Ø27 20 29 32 27 - -

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Accuracy Info

■Accuracy of Holder, Side Mount, Flange Type

Supporting Connector Part Dia. Tolerance: 0/-0.1

Connector Part Keyway Width Tolerance: +0.1/0

Connector Part Keyway Length Tolerance: 0/-0.05

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Linear Guide

Product name Linear Guides/Extra Super Heavy Load/With Resin Retainer
Part number SEWZ42-1000
Features With No Mutual Ball Contacts, Resin Retainer provides Low-Noise and Smooth Movements.
* Orange colored cells in the table below indicate the part numbers used in this example.

Selection criteria

A high priority is placed on linear motion performance over dust prevention because of the use inside of the booth.

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Risk info.

Dust protection facility is required depending on the ambient environment.

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Available sizes

■Linear Guides for Extra Super Heavy Load with Plastic Retainers, Interchangeable, Light Preload, Wide Block Through Hole

Material Hardness
Carbon Steel 58HRC-

■Sizes and Dimensions

Number of Blocks Block Width Block Length Overall Height Rail Length Range
1 63 91.8 30 220-1960
70 107 36
90 124.6 42 280-1960
2 63 91.8 x 2 pcs. 30 220-1960
70 107 x 2 pcs. 36
90 124.6 x 2pcs. 42 280-1960

* Please see the product pages for details of selectable sizes.

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Selection steps

■Linear guide selection steps

Determination on Operating Conditions
(Moving mass, feed rate, motion pattern, life)

Temporary selection of linear guide specifications
(Block type, overall height, rail length are temporarily selected according to the conditions of use.)

Basic safety check
  • ●Allowable Load
  • ●Operating Life
  • ●Preload

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Accuracy Info

■Preload and Accuracy Reference (Linear Guides for Extra Super Heavy Load with Plastic Retainers, Interchangeable, Light Preload)

(μm)

Radial Clearance H30 ・ H36 -5 ~ 0
H42 -7 ~ 0
H Dimension Tolerance ±20
Pair variation of H 15
Tolerance of dims. W2 ±30
Pair variation of W2 25

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Performance info.

■Rated Load of Linear Guide (Linear Guides for Extra Super Heavy Load with Plastic Retainers, Interchangeable, Light Preload)

Overall Height Basic Load Rating Allowable Static Moment
C (Dynamic) kN Co (Static) kN MA
N・m
MB
N・m
Mc
N・m
30 21.6 44.5 360 305 298
36 32.0 62.5 615 515 490
42 46.0 91.5 1000 885 870

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Technical Calculations

■Linear guide life calculations

●Life
When linear guides operate in linear motion while supporting loads, repeated stresses apply on the rolling elements (balls) and raceways (rails), eventually causing scale-like flaking due to material fatigue. The total run distance until this flaking appears is defined as linear guide's "Life".
●Rated Life
Rated life is a total distance 90% of linear guides reach without flaking when a group of the same guides are run under the same condition. The rated life can be calculated with basic dynamic load rating and the load applied on the guides as follows.
When using linear guides, load calculations are initially needed. It is not easy to calculate the loads during linear motion due to vibrations and shocks, as well as load distribution on the guides. Furthermore, operating environment temperature has large effect on life. When these conditions are taken in consideration, the calculations would be as follows.
  • L: Rated Life (Km)
  • fH: Hardness Factor (See Fig.1)
  • fT: Temperature Factor (See Fig.2)
  • fC: Contact Factor (See Table-1)
  • fW: Load Factor (See Table-2)
  • C: Basic Dynamic Load Rating (N)
  • P: Applied Load (N)
●Hardness factor (fH)

In using linear guides, the shaft that balls contact must have sufficient hardness, If adequate hardness cannot be obtained, load rating decreases and life will be reduced as a result.

●Temperature factor (fT)

When the temperature of linear guides exceed 100°C, hardness of blocks and rails will be reduced, causing reduction of life. Please compensate the life rating with temperature factor. 
* Please use linear guides within temperature shown on product pages.

●Contact factor (fC)

Table-1. Contact factor

Number of blocks installed on one rail and contact factor fC

1 1.00
2 0.81
3 0.72
4 0.66
5 0.61

In general, it is common to use 2 or more blocks on 1 rail. In such case, load applicable on each block would not be uniform due to machining variations. As the result, allowable load rating on each block would vary depending on the number of blocks used per rail. Please compensate the life rating with contact factor shown on Table-1.

●Load factor (fW)

Table-2. Load factor

Condition of Use fw
No external shocks or vibrations and
speed is low 15m/min or less
1.0-1.5
No significant shocks or vibration and
med. speed 60m/min or less
1.5-20
External shocks and vibrations exist
and the speed is high 60m/min or over
2.0-3.5

When calculating loads applicable on linear guides, other than the weight of the object, inertial force due to motion speeds, moment loads, and variations of each over time must also be obtained accurately. However, accurate calculation would be difficult due to repeated starts and stops and various shocks and vibrations. Therefore, the Load Factors shown in Table-2 are used to simplify the life calculations.

●Applied Load P Calculation Method
When moment loads apply a block, use the following formula to convert the moment load to applicable load.
  • P: Applied Load (N)
  • F: Downward load (N)
  • Co: Static load rating (N)
  • MA: Allowable Static Moment - Pitching Direction (N・m)
  • MC: Allowable Static Moment - Rolling Direction (N・m)
  • Lp: Load point distance (m) in pitching direction
  • Lr: Load point distance (m) in rolling direction

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Cable Carriers

Product name Cable Carriers/Slit Type
Part number SE08F-16-028-25
* Orange colored cells in the table below indicate the part numbers used in this example.

Selection criteria

To store the wiring/piping in a compact manner

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Available sizes

■Cable Carriers - Slit Type 08F

Type Material
Outer Radius Mount Special Plastics (Operating temp. -30 - 100°C) Flammability Standards UL94-V2 Equiv.
Inner Radius Mount

■Sizes and Overall Dimensions

Bending Radius Number of Links Mounting height (Required space height) (Arc + Allowance) Link Pitch
28 1 ~ 37 76 91 130 20
38 1 ~ 38 96 111 160
48 1 ~ 40 116 131 190

■Sizes and Link Cross Section Dimensions

Inner height Overall Height Inner width Overall Width Number of Comb Teeth
14.6 19.3 16 24.2 2
20 28.2 2
30 38.2 3
40 48.2 4
50 58.2 5

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IDEA NOTE Pitch feed mechanism with claw extrusion

The claw can slip between the work pieces and be returned to the home position by rotating and pulling with two separate cylinders.

  • 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.
    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.

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    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.

    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 CAD data consists of some sub-assemblies.
       Each sub-assembly unit can be used as it is or can be edited.

Application Overview

Purpose

  • An automatic mechanism in which a claw, through the use of cylinders, is extended toward a work piece and pulled a desired length.

Points for use

  • The claw portion, through the use of a large and small cylinder, is driven and rotated.
  • The small cylinder is used to rotate the claw to the inside of the path to grip the workpieces.
  • The large cylinder is used to extend the claw forward and backwards.
  • Each work piece is individually connected to the next to move multiple carts at a time.
  • The cart is automatically expelled outside of the device allowing workers to handle the carts safely.
  • In order to save time the carts can be connected before their use.

Target workpiece

  • Carts
  • External dimensions: W 680 x D 700 x H 814 mm
  • Work weight: 80 kg ( 20 kg x 4 connected carts)
  • Material: Steel

Design Specifications

Operating Conditions or Design Requirements

  • Workpiece pitch 660 mm.
  • Large cylinder 1 for pitch feed: Workpiece pitch 660 mm + play 40 mm = 700 mm
  • Small cylinder 2 for claw: 75 mm
  • Device external dimensions: W 990 x D 2585 x H 255 mm

Required Performance

  • Cylinder thrust for pitch feed 79 N or more.

Selection Criteria for Main Components

  • Large cylinder
    • One that satisfies required load and stroke.

Design Evaluation

Verification of main components

  • Verify the cylinder thrust for the load required to move the work pieces.
  • Cylinder for pitch feed
    • Conditional values:
      Load: F = mgμ
      Moving mass: m = 80 kg 
      Friction coefficient: μ = 0.1
    • Load applied to the cylinder: F = 80 x 9.8 x 0.1 = 78.4 N
    • Load factor: η = 0.7 (catalogue value)
    • Extrusion pressure receiving area: A1 = 1963 mm² (catalogue value)
    • Number of cylinders used: n = 2 pieces
    • Operation pressure: P = 0.5 MPa
    • Cylinder extrusion thrust: F1 = n x η x A1 x P Thus, we have the following: 
      F1 = 2 x 0.7 x 1963 x 0.5 = 1374.1 N
    • Safety factor: F1/F = 1374.1/78.4 = 17.5 times

Other Design Consideration

  • A mechanism in which separate workpieces are centered and pulled by a claw, reducing the time and cost required to accurately center them.
  • Wiring space is installed directly below the cable carriers.
  • Even though the unit is located close to the floor, through the use of a booth, no dust prevention is required resulting in a reduction of parts. When environmental resistance is required, dust prevention measures can be included.
  • Cart extrusion mounting parts are used as the stopper to protect the claw cylinder from the load of the cart.

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 Floating Joints FJRSS18-1.5-15 2
2 Floating Joints HLRASW25 2
3 Flow Rate Control Valves SPSNL6-1 4
4 Flow Rate Control Valves SPSNL8-3 4
5 Reamer Bolts SRMBR8-38 2
6 Oil Free Bushings SHBZ8-20 2
7 Linear Guides - Extra Super Heavy Load SEWZ42-1000 2
8 Cable Carrier SE08F-16-028-25 2
9 Collars KNCLM5-10-20 2
10 Socket Head Cap Screws-with Washer CBST5-12 4
11 Socket Head Cap Screws-with Washer CBST6-15 12
12 Socket Head Cap Screws-with Washer CBST6-20 20
13 Socket Head Cap Screws-with Washer CBST8-25 16
14 Socket Head Cap Screws-with Washer CBST8-30 16
  • 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).
  • You will find information on price and shipping days, in the Online Quote and 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.
    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 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.

    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.

    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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