9 - LINEAR MOTION • LEAD SCREWS I - SDP/SI - …

1 IR12345678910111213T141516 PHONE: FAX: 9 - LINEAR MOTION LEAD SCREWSAnti-Backlash Acme Nuts pg. 9-8 Anti-Backlash Acme Nuts pgs. 9-6 & 9-7 Thread Mount Acme Nuts pgs. 9-10 & 9-11 Thread Mount Acme Nutspg. 9-9 Acme Lead Screwspg. 9-2 Advanced Anti-Backlash Acme Nutspg. 9-4 Advanced Anti-Backlash Acme Nutspg. 9-5 Advanced Anti-Backlash Acme Nuts pg. 9-3 Flange Mount Acme Nutspg. 9-12 Mounting Flanges pg. 9-14 Flange Mount Acme Nuts pg. 9-13 BALL & ACME LEAD screw TECHNICAL INFORMATIONBall and Acme screw Drive Mechanisms - pg.

2 9-15 Force Calculations - pg. 9-16 Torque Calculations - pg. 9-16 Selecting and Sizing screw Drive Systems - pg. 9-17 Travel Rate vs. Length - pg. 9-18 Compression Load vs. Length - pg. 9-20 Critical Speed & Load - pg. 9-22 Life Expectancy - pg. 9-24 Lead screw Formulas and Sample Calculations - pg. 9-259-1 REV: KTIR12345678910111213T141516 PHONE: FAX: 01 InchCENTERLESS GROUND AND STANDARD ROLLED2G THREADFORM MATERIAL: 300 Series Stainless Steel FEATURES: Low cost alternative to ball screw assemblies Ideal in corrosive environments Well suited for vertical MOTION applications SPECIFICATIONS: Lead accuracy: inches per foot Straightness.

3 Inches per footACME LEAD SCREWSINCH COMPONENTCATALOG NUMBERA B 1 1 S A - ScrewSizeCodeLengthin Feet1, 31, 3, 62, 4, 61242stub451241212412stub121 ScrewSize *25201*25161310823108431122*3708137084 37055 37045*371013710237114*3712137122*3716143 08243084*5010150102*62081*6210162102*750 61*75081* 5/16-85/16-12 3/8-83/8-53/8-4 3/8-103/8-11 3/8-123/8-16 7/16-8 1/2-105/8-8 5/8-10 3/4-63/4-83/4-101-51-81-10*Left-hand threads available on special order. Fast lead high helix lead : KTIR12345678910111213T141516 PHONE: FAX: AB250F-075AB250F-100 25125175250350 CCatalog Number(Ref.)

4 THUse withFlangeDesignLoadlbfDragTorqueoz. * To be discontinued when present stock is depleted.. Number*INCH COMPONENTN umberof MATERIAL: Acetal with PTFE TEMPERATURE RANGE: 32 F to 180 F FEATURES: Reduced dragFor use with Acme Lead ANTI-BACKLASH ACME NUTS9-3 REV: KTIR12345678910111213T141516 PHONE: FAX: 01 InchADVANCED ANTI-BACKLASH ACME NUTS .64 .. < .050 .500 ..125 .500 .100 .200 .375 .083 .167 .063 .250 .500 .125 .20041806582537949657544603665764051 Catalog NumberCatalog Number(Ref.)INCH COMPONENTN umberof Torqueoz.

5 E AND 5/8 SCREWS E D5/16 AND 3/8 SCREWS D E screw A DFLANGED MATERIAL: Acetal with PTFE TEMPERATURE RANGE: 32 F to 180 F FEATURES: Reduced dragFor use with Acme Lead : KTIR12345678910111213T141516 PHONE: FAX: 01 InchFLANGED MATERIAL: Acetal with PTFE TEMPERATURE RANGE: 32 F to 180 F FEATURES: Low cost Low friction Non-corrosive Reduced drag Self-lubricatingFor use with Acme Lead ANTI-BACKLASH ACME NUTS* To be discontinued when present stock is depleted. ScrewSize3/8-43/8-83/8-113 .125.

6 364 .083 .1678253754460102-5 Catalog Number*INCH COMPONENTN umberof LoadlbfDragTorqueoz..20 ..779-5 REV: KTIR12345678910111213T141516 PHONE: FAX: on the next MATERIAL: Acetal with PTFE TEMPERATURE RANGE: 32 F to 180 FFor use with Acme Lead ACME NUTSS crewSizeC1/4-161/4-20 5/16-85/16-12 3/8-8 3/8-103/8-11 3 NumberCatalog Number(Ref.)INCH COMPONENTN umberof StartsTHUse Torqueoz. : KTIR12345678910111213T141516 PHONE: FAX: 500 750 80015002000AB250F-050AB250F-1003-55-87-1 015-20100150160300400 MATERIAL: Acetal with PTFE TEMPERATURE RANGE: 32 F to 180 FFor use with Acme Lead ACME NUTSS crewSizeC7/16-81/2-4 1/2-10 5/8-103/4-63/4-83/4-101-81-1021212 NumberCatalog Number(Ref.)

7 INCH COMPONENTN umberof StartsTHUse Torqueoz. from the previous page9-7 REV: KTIR12345678910111213T141516 PHONE: FAX: 01 InchFLANGED MATERIAL: Turcite X (Acetal, PTFE & Silicone filled) TEMPERATURE RANGE: 32 F to 160 F FEATURES: Lightweight Low cost Low friction Self-lubricating Up to 75,000,000 inches of travelFor use with Acme Lead ACME NUTS * To be discontinued when present stock is depleted. 4 ScrewSize5/16-85/16-123/8-43/8-83/8-103/ 8-123/8-162425stub121 .250 .500 ..125 .100 .167.

8 Number*INCH COMPONENTN umberof atMax. Preloadoz. Loadfor .005 .. MIN. 9-8 REV: KTIR12345678910111213T141516 PHONE: FAX: .625 . 55015003100430015009500AB250F-025AB250F- 037AB250F-050AB250F-075 110 300 620 86015001900 .625 ..41 .67 .64 .61 .. NumberCatalog Number(Ref.)INCH COMPONENTN umberof StartsTHUse toRaise 1 MATERIAL: Bronze SAE 660 TEMPERATURE RANGE: -65 F to 250 F SPECIFICATIONS: Friction Coefficient: .2 to .3 Lubrication is recommendedFor use with Acme Lead MOUNT ACME NUTS9-9 REV: KTIR12345678910111213T141516 PHONE: FAX: 01 Inch MATERIAL: Acetal with PTFE TEMPERATURE RANGE: 32 F to 180 FFor use with Acme Lead MOUNT ACME on the next page45 5/16-85/16-12 3/8-8 3/8-103/8-11 3/8-123 NumberCatalog Number(Ref.)

9 INCH COMPONENTN umberof StartsTHUse : KTIR12345678910111213T141516 PHONE: FAX: 01 Inch MATERIAL: Acetal with PTFE TEMPERATURE RANGE: 32 F to 180 FFor use with Acme Lead MOUNT ACME 500 750 80015002000AB250F-050AB250F-075100150160 300400 ScrewSizeC7/16-81/2-4 1/2-10 5/8-103/4-63/4-83 NumberCatalog Number(Ref.)INCH COMPONENTN umberof StartsTHUse from the previous page15/16-161-3/8-169-11 REV: KTIR12345678910111213T141516 PHONE: FAX: 01 InchCatalog NumberINCH COMPONENTv MATERIAL: Turcite X (Acetal, PTFE & Silicone Filled) TEMPERATURE RANGE: 32 F to 160 F FEATURES: Lightweight Low cost Low friction Self-lubricating Up to 75,000,000 inches of travelLeft-hand threads available on special orderFor use with Acme Lead MOUNT ACME NUTS* Nut has ribbed body shape within the.

10 710 dimensions above.** Reduce load by 90% for continuous load is a registered trademark of Trelleborg Sealing Solutions , Inc..40 ..79 ..64 ..61 .83 ..050 .063 .250 .500 .167 .125 ..100 .200 .375 .083 .167 .063 .250 .500 .100 .200 Numberof LoadlbfDynamic Load**lbfTorque toProduce1 lbfoz..005 R.. AB23FT-25201AB23FT-25161AB23FT-31082AB23 FT-31084AB23FT-31122AB23FT-37081*AB23FT- 37084*AB23FT-37055AB23FT-37045AB23FT-371 01AB23FT-37102AB23FT-37114AB23FT-37121AB 23FT-37122AB23FT-37161AB23FT-43082AB23FT -43084AB23FT-50042AB23FT-50101AB23FT-501 021/4-201/4-165/16-85/16-123/8-83/8-53/8 -43/8-103/8-113/8-123/8-163/8-81/2-41/2- 102550701252503509-12 REV: KTIR12345678910111213T141516 PHONE: FAX: 01 Inch MATERIAL: Acetal with PTFE TEMPERATURE RANGE.