Lead Screw

From Teamnumber1

Revision as of 20:01, 20 April 2007 (view source) Martin (Talk | contribs) ← Previous diff		Current revision as of 19:25, 1 May 2007 (view source) Amazumda (Talk | contribs) (→Lead Screw Specs)
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-	Lead Screw Specs:	+	== Lead Screw Specs ==
-		+	Changed by Martin to an English spec.
-	Part Number:  90435A197	+	*Part Number:  98957A612
-	$2.59 Each	+	*$8.93 Each
-	Material Type	+	*Material Type - Steel
-	Steel	+	*Finish - Plain
-	Finish	+	*Grade/Class - Grade B7
-	Plain	+	*Type - Fully Threaded Rods and Studs
-	Grade/Class	+	*Steel Type - General Purpose Steel
-	Class 4.6	+	*Thread Direction - Right Hand Thread
-	Type	+	*Inch Thread Size - 9/16"-12
-	Fully Threaded Rods and Studs	+	*Overall Length - 36"
-	Steel Type	+	*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
-	General Purpose Steel	+
-	Thread Direction	+
-	Right Hand Thread	+
-	Metric Thread Size	+	[http://web.mit.edu/mmcbrien/Public/2-72/Lead_Screw/lead_screw.xmcd Stress, twist, torque and fatigue calculations for lead screw.]
-	M16	+
-	Metric Thread Pitch	+	==Lead Screw Sleeve==
-	2.5 mm	+	part files can be found at http://web.mit.edu/amazumda/Public/2.72/Lead%20Screw%20Sleeve/
-	Overall Length	+
-	100 mm	+	==Stand-Off Specs==
-	Specifications Met	+
-	Not Rated	+	*Part Number:  92510A832
-	Rockwell Hardness	+	*1-9 Each $12.49 Each
-	Not Rated	+	*10 or more $10.61 Each
-	Minimum Tensile Strength	+	*Type - Female Unthreaded Round
-	58,000 psi	+	*Material Type - Aluminum
-	Thread Fit	+	*Finish - Plain
-	Class 6g	+	*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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Current revision as of 19:25, 1 May 2007

Contents 1 Lead Screw Specs 2 Lead Screw Sleeve 3 Stand-Off Specs 4 Lead Screw Bearing Constraint

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