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No.000028 Vertical Feed Mechanism

Vertical feed with a linear motion gearhead and motor

Flanged Linear Bushing

Product name Flanged Linear Bushings
Part number LHFRD16
Features Full Length is 1.5 times greater than the Single Length and has an Allowable Moment that is 4.3 times greater. Suitable when there is insufficient space for the Double Type
* Orange colored cells in the table below indicate the part numbers used in this example.

Selection criteria

Flanged type is suitable as a linear guide for this app. example.

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Available sizes

■Flanged Linear Bushings

Flange Shape Outer cylinder Ball Retainer Accessory Seal Operating ambient temperature
Material Hardness Surface treatment Material Material Material
Round flange
・Square flange
・Compact flange
52100 Bearing Steel 58HRC- - 52100 Bearing Steel Resin
(Duracon 90 equivalent)
Nitrile rubber -20~80℃
Electroless
nickel plating
440C Stainless Steel

■Sizes and Dimensions

(Shaft DIA.) Outer cylinder diameter Overall length Flange
Max. width Thickness
φ6 φ12 29 28 5
φ8 φ15 37 32
φ10 φ19 47 40 6
φ12 φ21 42
φ13 φ23 43
φ16 φ28 56 48
φ20 φ32 65 54 8
φ25 φ40 83 62
φ30 φ45 90 74 10

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Selection steps

■Linear bushing selection steps

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Accuracy Info

■Accuracy info. of flanged linear bushing

(Shaft DIA.) Outer cylinder DIA. Tolerance Overall length
tolerance
tolerance No surface treatment Surface treated
φ6 0/-0.010 φ12 0/-0.013 0/-0.018 ±0.3
φ8 φ15
φ10 φ19 0/-0.016 0/-0.021
φ12 φ21
φ13 φ23
φ16 φ28
φ20 0/-0.012 φ32 0/-0.019 0/-0.025
φ25 φ40
φ30 φ45

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Performance info.

■Load rating of flanged linear bushing

(Shaft DIA.) Basic load rating Allowable static moment
C (Dynamic) N C0 (Static) N (N・m)
φ6 226 310 1.42
φ8 310 452 2.12
φ10 508 718 4.37
φ12 634 814 6.2
φ13 640 826 6.2
φ16 1164 1448 13.1
φ20 1554 2068 18.3
φ25 1725 3068 25.3
φ30 2440 3974 42.7

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Technical calculations

■Life of Linear Bushing

When the linear systems are in motion with loads, rolling surfaces and races are subject to repeated stress and will show scale-flaking due to material fatigue. The total run distance until the flaking appear is the "Life" .

The rated life can be calculated with the following formula based on basic dynamic load rating and the load applied on the bushing.

  • L: Rated life (km)
  • fH: Hardness factor (See Fig.1)
  • fT: Temperature factor (See Fig. 2)
  • fC: Contact factor (See Table-3)
  • fW: Load factor (See table-4)
  • C: Basic dynamic load rating (N)
  • P: Applicable load (N)

Hardness factor (fH)

For linear systems, the shaft that the balls contact must have sufficient hardness,If the shaft does not have sufficient hardness, the load rating decreases and life will be reduced as a result.

Fig.-1. Hardness factor

Temperature factor (fT)

When the temperature of linear systems exceed 100℃, hardness will be reduced and as a result, the allowable loads and life will be reduced.

Fig.-2. Temperature factor

Contact factor (fC)

In general, it is common to use 2 linear systems are used for 1 shaft, in general. In these cases, the load on each linear system will vary depending on machining accuracies and will not have equally distributed loads. As a result, the allowable load per linear system will very depending on the number of linear systems used on one shaft.

Table-3. Contact factor

Number of bearings installed on one shaft. Contact factor fC
1 1
2 0.81
3 0.72
4 0.66
5 0.61

Load factor (fW)

To calculate load applied to the linear system, in addition to object weight, inertia force attributed to motion velocity, moment loads and variations of each over time must be obtained. However, for reciprocating motion applications, it is difficult to obtain accurate calculations due to the effects of vibrations and shocks. Therefor, use Table-2 below in order to simplify the Life Calculations.

Application conditions 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
1.5~2.0
External shocks and vibrations exist
and the speed is high 60m/min or over
2.0~3.5

Life in hours can be obtained by calculating travel distance per hour. When stroke length and stroke cycles are fixed, see the equation below.

  • Lh: Life (Hr)
  • L: Rated life (km)
  • Ls: Stroke length (m)
  • n1: Number of cycles per minute (cpm)

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Shaft

Product name Precision Linear Shafts - Straight Type
Part number PSFJ16-305
* Orange colored cells in the table below indicate the part numbers used in this example.

Selection criteria

An inexpensive option for a guide component

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Available sizes

■Precision Linear Shafts - Straight Type

Material Hardness Surface treatment O.D. tolerance
g6 h5 f8
52100 Bearing Steel Induction hardened 58HRC〜
440C Stainless Steel Induction hardened 56HRC〜
52100 Bearing Steel Induction hardened 58HRC〜 Hard chrome plating
Plating hardness HV750~
Plating thickness 5μ or more
440C Stainless Steel Induction hardened 56HRC〜
52100 Bearing Steel Induction hardened 58HRC〜 Low temperature black chrome plating
1045 Carbon Steel Hard chrome plating
Plating hardness HV750~
304 Stainless Steel Plating thickness 10μ or more

■Sizes

O.D. tolerance O.D. Length
(Configure in 1mm increments)
g6・h5 φ3 10〜 400
φ4
φ5
φ6 20〜 600
φ8 20〜 800
φ10
φ12 20〜1000
φ13 25〜1000
φ15
φ16 30〜1200
φ18
φ20
φ25 35〜1200
φ30 35〜1500
φ35
φ40 50〜1500
φ50 65〜1500
f8 φ6 20〜 600
φ8 20〜 800
φ10
φ12 20〜1000
φ13 25〜1000
φ15
φ16 30〜1200
φ18
φ20
φ25 35〜1200
φ30 35〜1500
φ35
φ40 50〜1500
φ50 65〜1500

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Accuracy Info

■O.D. tolerance table

O.D. O.D. tolerance
g6 h5 f8
φ3 -0.002
-0.008
0
-0.004
-
φ4 -0.004
-0.012
0
-0.005
φ5
φ6 -0.010
-0.028
φ8 -0.005
-0.014
0
-0.006
-0.013
-0.035
φ10
φ12 -0.006
-0.017
0
-0.008
-0.016
-0.043
φ13
φ15
φ16
φ18
φ20 -0.007
-0.020
0
-0.009
-0.020
-0.053
φ25
φ30
φ35 -0.009
-0.025
0
-0.011
-0.025
-0.064
φ40
φ50

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IDEA NOTE Up/down pitch feed with a linear motion gearhead and motor

Up/down pitch feed mechanism with a linear motion gearhead and motor take out equally spaced apart workpieces loaded on a tray.

  • 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).

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    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

  • Workpieces on platform can be raised to adjustable height.
  • Self-locking type motor prevents falling.

Target workpiece

  • Workpiece
    • External dims.: W147 x D167 x H12
    • Weight: 0.3kg
  • Tray
    • External dims.: W180 x D200 x H179
    • Weight: 0.6kg
  • Max. weight
    (5 workpieces + 5 Trays)
    (0.3 x 5) + (0.6 x 5) = 4.5kg

Design Specifications

Operating Conditions or Design Requirements

  • Slide stroke: 116mm (Pitch 29mm x 4)
  • External dims.: W480 x D350 x H537

Required Performance

  • Total transferred mass: 16 kg or less

Selection Criteria for Main Components

  • Motor
    • Load retaining type is selected to prevent falling due to own weight.
  • Linear motion gearhead
    • Vertical motion type is selected to move the workpieces up/down.
  • Sensor
    • 2 output type sensor is selected for pitch feeding.

Design Evaluation

Verification of main components

  • Verify the motor regarding required speed and load capacity.
  • Rack speed
    • Motor speed (Ns): 90~1600 r/min
    • Reduction ratio of linear motion gearhead (i): 35.36
    • Pitch circle DIA. of the pinion (Dp): 12mm
    • Rack speed (V)
      V = Ns × (1 / 60) × (1 / i) × π × Dp
    • Vmin = 90 × (1 / 60) × (1 / 35.36) × π × 12 = 1.6 mm/s
    • Vmax = 1600 × (1 / 60) × (1 / 35.36) × π × 12 = 28.43 mm/s
    • Assumed rack speed: 15mm/s, OK.
  • Max. payload
    • Motor torque Tm: 45N・m
    • Reduction ratio of linear motion gearhead (i): 35.36
    • Pitch circle DIA. of the pinion (Dp): 12mm
    • Transmission efficiency by reduction ratio (η1) : 0.66
    • Transmission efficiency of rack and pinion (η2): 0.9
    • The maximum allowable load capacity (W):
      W = Tm × I × η1 / (Dp / 2) × η2 / 9.8 = 45 × 35.36 × 0.66 / (12 / 2) × 0.9 / 9.8 = 16 kg
      Total elevating mass: Workpiece + Tray + Base + Rack + Others = 4.5 + 1.3 + 1 + 2 = 8.8 kg < 16 kg

Other Design Consideration

  • Pitch feeding is possible when using a photomicro sensor to detect the pitch.
  • The lower most tray and the upper most tray are detected by a photoelectric switch.
  • For detecting the lower most limit, another sensor and pitch detection plate are placed (Limit switch).
  • For detecting the upper most limit, another sensor and a sensor flag are placed (Limit switch)

Explore Similar Application Examples

Page - / -

Part List

No. Part Name Sample Picture MISUMI Part Number Quantity Unit Price*
($)
Days to Ship* Catalog Page Number
1 Aluminum Extrusion 5 Series/slot width 6/20x20mm HFS5-2020-200 2 Price check 2_529_2014
2 Aluminum Extrusion 6 Series/slot width 8/30x30mm HFS6-3030-290 4 Price check 2_597_2015
3 Aluminum Extrusion 6 Series/slot width 8/30x30mm HFS6-3030-320 4 Price check 2_597_2015
4 Aluminum Extrusion 6 Series/slot width 8/30x30mm HFS6-3030-420 4 Price check 2_597_2015
5 6 Series/Reversal Brackets with Tab HBLFSN6-SET 24 Price check 2_585_2014
6 For 5 Series (Slot Width 6mm) Aluminum Extrusions - Thick Brackets - For 1 Slot HBLTS5 6 Price check 2_539_2014
7 Flanged Linear Bushings - Medium Type LHFRD16 2 Price check 1_311_2014
8 Linear Shafts-Straight Type - One End Threaded with Undercut PSFJ16-305 2 Price check 1_145_2015
9 Shaft Collar (Clamp) - 2-Hole / 2-Tapped (Coarse) SCSW16-12 4 Price check 1_281_2014
10 Floating Joints -Extra Short Threaded Stud Mount/Threaded FJCMX5-0.8 1 Price check 2_1549_2014
11 5 Series/Extrusion End Caps/Screw Fixing Type HFCB5-2020-B 2 Price check 2_568_2014
12 5 Series/Pre-Assembly Insertion Nuts HNTT5-3 8 Price check 2_559_2014
13 Plate Centering Pins SCMPA-D9-P12-L8-B2.5 2 Price check 1_1654_2014
14 End-Washers for Linear Shafts WSF16 4 Price check 1_228_2014
15 Socket Head Cap Screws/with Standard Washer Set SCBS4-10 8 Price check 2_178_2014
16 Socket Head Cap Screws/with Standard Washer Set SCBS5-12 12 Price check 2_178_2014
17 Socket Head Cap Screws/with Spring Washer SCBZ5-15 2 Price check 2_178_2014
18 Socket Head Cap Screws/with Spring Washer SCBZ6-20 4 Price check 2_178_2014
19 5 Series/Pre-Assembly Insertion Nuts HNTT5-5 6 Price check 2_559_2014
20 Photomicrosensor Currently not available 3 Price check -
  • 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).

    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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