Lead Screw
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== Lead Screw Specs == | == Lead Screw Specs == | ||
| - | + | Changed by Martin to an English spec. | |
| - | *Part Number: | + | *Part Number: 98957A612 |
| - | * | + | *$8.93 Each |
| - | *Material Type | + | *Material Type - Steel |
| - | *Finish Plain | + | *Finish - Plain |
| - | *Grade/Class | + | *Grade/Class - Grade B7 |
| - | *Type | + | *Type - Fully Threaded Rods and Studs |
| - | *Steel Type | + | *Steel Type - General Purpose Steel |
| - | *Thread Direction | + | *Thread Direction - Right Hand Thread |
| - | * | + | *Inch Thread Size - 9/16"-12 |
| - | + | *Overall Length - 36" | |
| - | *Overall Length | + | *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 |
| - | |||
| - | |||
[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.] | ||
| + | |||
| + | ==Lead Screw Sleeve== | ||
| + | part files can be found at http://web.mit.edu/amazumda/Public/2.72/Lead%20Screw%20Sleeve/ | ||
==Stand-Off Specs== | ==Stand-Off Specs== | ||
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
