Lead Screw

From Teamnumber1

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(Lead Screw Specs)
 
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Lead Screw Specs:
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== Lead Screw Specs ==
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Changed by Martin to an English spec.
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*Part Number:  90435A197
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*Part Number:  98957A612
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*<nowiki>$2.59 Each</nowiki>
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*$8.93 Each
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*Material Type: Steel
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*Material Type - Steel
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*Finish Plain
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*Finish - Plain
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*Grade/Class: Class 4.6
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*Grade/Class - Grade B7
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*Type: Fully Threaded Rods and Studs
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*Type - Fully Threaded Rods and Studs
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*Steel Type: General Purpose Steel
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*Steel Type - General Purpose Steel
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*Thread Direction: Right Hand Thread
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*Thread Direction - Right Hand Thread
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*Metric Thread Size: M16
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*Inch Thread Size - 9/16"-12
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*Metric Thread Pitch: 2.5 mm
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*Overall Length - 36"
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*Overall Length 100 mm
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*Specifications Met - American Society for Testing and Materials (ASTM) ASTM Specification - ASTM A193 Rockwell Hardness - C24 Minimum *Tensile Strength - 125,000 psi Thread Fit - Class 2A
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*Minimum Tensile Strength 58,000 psi
 
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*Thread Fit: Class 6g
 
[http://web.mit.edu/mmcbrien/Public/2-72/Lead_Screw/lead_screw.xmcd Stress, twist, torque and fatigue calculations for lead screw.]
[http://web.mit.edu/mmcbrien/Public/2-72/Lead_Screw/lead_screw.xmcd Stress, twist, torque and fatigue calculations for lead screw.]
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==Lead Screw Sleeve==
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part files can be found at http://web.mit.edu/amazumda/Public/2.72/Lead%20Screw%20Sleeve/
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==Stand-Off Specs==
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*Part Number:  92510A832
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*1-9 Each $12.49 Each
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*10 or more $10.61 Each
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*Type - Female Unthreaded Round
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*Material Type - Aluminum
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*Finish - Plain
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*Body Length - 2"
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*Body Length Tolerance - ±.005"
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*Screw Size - 1/2"
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*Outside Diameter - 1"
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*Outside Diameter Tolerance - ±.003"
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*Inside Diameter - .505"
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*Inside Diameter Tolerance - +.010"/-.000"
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*Threading - Unthreaded
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*Rockwell Hardness - B60
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*Tensile Strength - 55,000 psi
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*Specifications Met - Not Rated
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==Lead Screw Bearing Constraint==
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Schematic, as discussed with Chris 4/26 - Martin & Ani
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[[Image:Picture 005.jpg]]

Current revision as of 19:25, 1 May 2007

Contents

Lead Screw Specs

Changed by Martin to an English spec.

  • Part Number: 98957A612
  • $8.93 Each
  • Material Type - Steel
  • Finish - Plain
  • Grade/Class - Grade B7
  • Type - Fully Threaded Rods and Studs
  • Steel Type - General Purpose Steel
  • Thread Direction - Right Hand Thread
  • Inch Thread Size - 9/16"-12
  • Overall Length - 36"
  • Specifications Met - American Society for Testing and Materials (ASTM) ASTM Specification - ASTM A193 Rockwell Hardness - C24 Minimum *Tensile Strength - 125,000 psi Thread Fit - Class 2A


Stress, twist, torque and fatigue calculations for lead screw.

Lead Screw Sleeve

part files can be found at http://web.mit.edu/amazumda/Public/2.72/Lead%20Screw%20Sleeve/

Stand-Off Specs

  • Part Number: 92510A832
  • 1-9 Each $12.49 Each
  • 10 or more $10.61 Each
  • Type - Female Unthreaded Round
  • Material Type - Aluminum
  • Finish - Plain
  • Body Length - 2"
  • Body Length Tolerance - ±.005"
  • Screw Size - 1/2"
  • Outside Diameter - 1"
  • Outside Diameter Tolerance - ±.003"
  • Inside Diameter - .505"
  • Inside Diameter Tolerance - +.010"/-.000"
  • Threading - Unthreaded
  • Rockwell Hardness - B60
  • Tensile Strength - 55,000 psi
  • Specifications Met - Not Rated

Lead Screw Bearing Constraint

Schematic, as discussed with Chris 4/26 - Martin & Ani

Image:Picture 005.jpg

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