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No.000041 Pallet transfer anti-reversing mechanism
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34

Feed fingers prevent pallets from reverse flowing

Related Category

Cylinder with Guides

Cylinder with Guides
Product name Cylinders with Twin Guides
Part number MGCLF16-20
Features Cylinders having the guides on both ends for usability.
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria | Available sizes | Accuracy Info | Performance info.

Selection criteria

Compact size and allowable lateral load.

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Available sizes

■Cylinder with guides (Fixed stroke type)

Tube
I.D. 		Bearing Plain Bushing Linear Ball Bushing Cylinder
Width 		Overall length
(Below + St) 		Thickness
St 10 20 25 30 40 50 75 100 10 20 25 30 40 50 75 100
Ø12 ○ ○ - ○ ○ ○ ○ ○ ○ ○ - ○ ○ ○ ○ ○ 56 39 22
Ø16 ○ ○ - ○ ○ ○ ○ ○ ○ ○ - ○ ○ ○ ○ ○ 62 43 25
Ø20 - ○ - ○ ○ ○ ○ ○ - ○ - ○ ○ ○ ○ ○ 72 47 30
Ø25 - ○ - ○ ○ ○ ○ ○ - ○ - ○ ○ ○ ○ ○ 86 47.5 38
Ø32 - - ○ - - ○ ○ ○ - - ○ - - ○ ○ ○ 112 48
Ø50 - - ○ - - ○ - ○ - - - - - - - - 146 72 60

* Sensor sold separately

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Accuracy Info

■Non-Rotational Accuracy

Non-Rotational Accuracy: A deviation angle centered on the piston rod, expressing the backlash caused by the clearance between the guide rod and the bearing.

Tube
I.D. 		Non-rotating accuracy of tip link bar
Plain Bushing Linear Bushing
Ø12 ±0.12° ±0.06°
Ø16 ±0.10° ±0.06°
Ø20 ±0.09° ±0.05°
Ø25 ±0.08° ±0.05°
Ø32 ±0.06° ±0.04°
Ø50 ±0.05° -

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Performance info.

■Guided cylinder usage pressure range

Min. pressure(MPa) : 0.1
Max. pressure(MPa) : 1.0
Proof pressure(MPa) : 1.5

■Theoretical thrust

(N)

Tube
I.D. 		Actuating
direction 		Operating pressure (MPa)
0.4 0.5
Ø12 Push 45 57
Pull 34 42
Ø16 Push 80 101
Pull 60 75
Ø20 Push 126 157
Pull 94 118
Ø25 Push 196 245
Pull 151 189
Ø32 Push 322 402
Pull 241 302
Ø50 Push 785 982
Pull 660 825

■Allowable rotational torque

The following shows the dynamic allowable value with rotational torque T applied to the tips of the guide rods.

(N･m)

Tube
I.D. 		Bearing
type 		Stroke
10 20 25 30 40 50 75 100
Ø12 Plain Bushing 0.50 0.40 - 0.33 0.28 0.25 0.77 0.65
Linear bushing 0.41 0.31 - 0.25 0.69 0.59 0.40 0.32
Ø16 Plain Bushing 0.91 0.75 - 0.64 0.56 0.49 1.25 1.06
Linear bushing 0.76 0.60 - 0.49 1.14 1.02 0.79 0.65
Ø20 Plain Bushing - 1.43 - 1.23 1.08 0.96 1.51 1.27
Linear bushing - 1.12 - 0.93 2.12 1.90 1.50 1.24
Ø25 Plain Bushing - 2.26 - 1.94 1.71 1.52 2.38 2.00
Linear bushing - 1.98 - 1.65 3.75 3.37 2.68 2.22
Ø32 Plain Bushing - - 6.71 - - 5.24 4.30 3.64
Linear bushing - - 3.61 - - 2.55 6.48 5.41
Ø50 Plain Bushing - - 13.0 - - 10.8 - 10.6

■ Allowable lateral load

The following shows the dynamic allowable values with lateral load W (load perpendicular to the guide rod) applied to the tips of the guide rod.

(N)

Tube
I.D. 		Bearing
type 		Stroke
10 20 25 30 40 50 75 100
Ø12 Plain Bushing 24 19 - 16 14 12 37 31
Linear bushing 20 15 - 12 33 29 19 16
Ø16 Plain Bushing 40 33 - 28 24 21 55 46
Linear bushing 33 26 - 21 50 44 34 28
Ø20 Plain Bushing - 52 - 45 39 35 55 46
Linear bushing - 41 - 34 77 69 54 45
Ø25 Plain Bushing - 69 - 60 52 47 73 62
Linear bushing - 61 - 51 115 104 82 68
Ø32 Plain Bushing - - 166 - - 131 107 91
Linear bushing - - 90 - - 34 162 135
Ø50 Plain Bushing - - 296 - - 245 - 241

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Feed Finger

Feed Finger
Product name Feed Fingers
Part number ATBST10B-S-BTS
Features Applicable for Pallet Back-Feed Prevention of Carrier Line
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria | Risk info. | Available sizes | Mechanism Info. | Performance info.

Selection criteria

Suitable for approx. positioning of pallets

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Risk info.

Premature claw wear

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Available sizes

■Feed Fingers

●Claw specifications

Material Surface treatment Hardness Straight Round
Width 7 10 14 20 28 7 10 14 20 28
EN 1.0038 Equiv. Electroless nickel plating Carburizing (Depth 0.1) HV400 - 500 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
EN 1.4301 Equiv. - - - ○ - - - - ○ - - -
Tufftride Tufftride (Depth 0.01) HV1000 - ○ - - - - ○ - - -
MC Nylon - - ○ ○ ○ - - ○ ○ ○ - -

●Body ･ Pin specifications

Body Pin
Material Surface treatment Shape Claw width (Straight / Round) Material Surface treatment
7 10 14 20 28
EN 1.0038 Equiv. Electroless
nickel
plating 		Side holes
(Screw holes) 		○ ○ ○ - - EN 1.1191 Equiv. Electroless
nickel
plating
Side holes
(Through holes) 		- ○ ○ - -
Side holes
(Tapped) 		○ ○ ○ - -
Bottom
mount 		○ ○ ○ ○ ○
π shape ○ ○ ○ ○ ○
EN 1.4301 Equiv. - Side holes
(Bolt) 		- ○ - - - EN 1.4305 Equiv. -
Side holes
(Through holes) 		- ○ - - -
Side holes
(Tapped) 		- ○ - - -
Bottom
mount 		- ○ - - -
π shape - - - - -

●Spring specifications

Material Spring type
EN 1.4301 Equiv. Soft, Hard

■Dimensions

Claw material Claw width Claw shape Spring
Type 		Body shape Body width Overall height Body height Body length Stroke
Max. Min.
EN 1.0038 Equiv.,
MC Nylon 		7 Straight ･
Round 		Soft ･
Hard 		Side holes (Screw) 12 29 22.5 30
(Short) 		5 3
Side holes (Tapped)
Bottom mount
π shape 20.5 14
7 Side holes (Through holes) 12 38 31 40
(Standard) 		5 3
Side holes (Tapped)
Bottom mount
π shape
EN 1.0038 Equiv., EN 1.4301 Equiv., MC Nylon 10 Side holes (Through holes) 19 38 31 40 5 3
Side holes (Through holes)
Side holes (Tapped)
Bottom mount
π shape
14 Side holes (Through holes) 25 55.5 43 55 10 5
Side holes (Through holes)
Side holes (Tapped)
Bottom mount
π shape 66.5 54
EN 1.0038 Equiv. 20 Bottom mount 38 63 49 65 10 5
π shape 78 64
28 Bottom mount 50 83 64 80 12 7
π shape 101 82

* Please check with product pages for claw, body shape details, detailed dimensions, and material.

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Mechanism Info.

■Feed finger structural diagram

Key Name Qty.
(1) Claw 1
(2) Spring 1
(3) Body 1

It has a pivoted claw. When a pallet passes over the top, the claw returns by a spring, preventing reverse traveling of the pallet.

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Performance info.

■Spring load of Feed Finger (N)

Claw
(Straight / Round) 		Spring type Set Stroke3 Stroke5 (7) Stroke10 (12)
Width Body Spring
top section 		Claw tip Spring
top section 		Claw tip Spring
top section 		Claw tip Spring
top section 		Claw tip
7 Short Soft 0.4 0.3 1.1 0.7 1.5 1.0 - -
Hard 1.4 1.0 2.4 1.6 2.9 2.0 - -
7 Standard Soft 0.3 0.2 1.0 0.7 1.5 1.0 - -
Hard 1.7 1.1 2.6 1.7 3.1 2.1 - -
10 - Soft 0.3 0.2 1.0 0.7 1.5 1.0 - -
Hard 1.8 1.2 2.6 1.7 3.2 2.1 - -
14 - Soft 0.9 0.7 1.3 1.1 1.7 1.3 2.4 1.9
Hard 2.6 2.1 3.1 2.5 3.5 2.8 4.3 3.5
20 - Soft 2.3 1.8 - - 3.0 2.4 3.8 3.0
Hard 3.6 2.8 - - 4.5 3.5 5.5 4.3
28 - Soft 3.7 2.6 - - 5.2 4.0 6.3 4.8
Hard 4.9 3.4 - - 6.7 5.2 8.0 6.2

* Stroke 5･10 value for 28A, 28B will be stroke 7･12 respectively.

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IDEA NOTE Prevent pallet looseness.

By using a feed finger with a round claw, the feed finger and pallet can be placed closer to each other, minimizing play.

  • 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).
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       Each sub-assembly unit can be used as it is or can be edited.

Application Overview

Purpose

  • Prevent pallets from reverse flowing.

Target workpiece

  • Plastic case size: W120 x D220 x H20 mm
  • Pallet size: W218 x D300 x t12 mm (Aluminum)
  • Weight of transferred object: 2.3kg/pc.

Design Specifications

Operating Conditions or Design Requirements

  • Conveyor size: W283 x D1270 x H185 mm
  • Transfer speed: 150mm/s
  • Stopper cylinder stroke: 20 mm

Required Performance

  • Pallet positioning accuracy: ±0.5 mm

Selection Criteria for Main Components

  • Two row type conveyor is selected because the cylinder and the feed fingers are located below the transfer surface.

Design Evaluation

Verification of main components

  • Verify that the plastic chain conveyor can withstand the workpiece load.
  • Plastic chain conveyor
    • Transferred weight: 2.3kg x 3pcs. (max.) = 6.9kg
    • Transfer speed: 150mm/s = 9m/min
    • Based on conveyor transferability graph above conditions fall within the range for 25W conveyor.

Other Design Consideration

  • A stopper with a cylinder is placed at the fore direction of travel. Pallet reverse flowing is prevented by a feed finger located at the back.
  • In order to prevent scratches on the pallet, you can use feed fingers with nylon claws.

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 Kunststoffkettenförderer Doppelspur CVSPA-200-1200-25-S200-IM-25-D-B 1
2 Engineering Resin Rails NLBB5-15-1000-H4-P300-ZN4-LCC10 1
3 Extra Low Head Cap Screws CBSM4-10 8
4 Engineering Resin Rails NLBB5-15-1000-H4-P300-ZN4-RCC10 1
5 Air Cylinders With Twin Guides MGCLF16-20 2
6 Feed Fingers ATBST10B-S-BTS 2
7 Sensors for Air Cylinders MD13L1 2
8 Flow Rate Control Valves SPSNL6-M5 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 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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    Click the Good IDEA! button when this application example is helpful.


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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.

    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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