Lead Screw

From Teamnumber1

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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