Ball screws.

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1 all screws

2 Your Partner in Automation Solutions Item Aluminiumprofiles D30 Tube System Work ench System elt Conveyer System Palette Conveyer System ean Production System Item News Every Year all ushings Rack and Pinion System Compact Rail inear Guides all Screws Easy Rail eavy Telescopic Rail ight Telescopic Rail Servo Motors inear Modules Complete Solutions 2

3 all Screws Index all screws SFS DIN standard ball screw size SFV eavy ball screw for press applications size SFU efthanded ball screw size SFK Miniature ball screw size page Standard support unit K Fixed rectangular type for ball screw size F Support rectangular type for ball screw size FK Fixed round type for ball screw size FF Support round type for ball screw size EK Miniature fixed rectangular type for ball screw size EF Miniature support rectangular type for ball screw size eavy support unit K-F Fixed rectangular type for ball screw size K- Support rectangular type for ball screw size WK Fixed Round type for ball screw size Product accessories MA Standard motorflange for SFK and SFS ball screw size M Standard motorflange for SFS ball screw size MGD Nut bracket for ball screw size Complete ball screw package configurator standard...19 Complete ball screw package configurator heavy...20 Product facts Critical lap speed...21 all screw shaft end machining...22 Articel numbers on products...26 Axial play and clearance on ball screw nut (P0 and P1)...27 ubrication advice...28 all screw mounting metods...28 ead and accurany on ball screw...29 ife time calculation...30 Torque on ball screw shaft

4 all screws SFS Singel nut with flange DIN Form The SFS Serie of ball screw is a DIN standard flange nut in diameter mm, in Grade C7. A standard ball screw with low noise and adjustable seal system. A perfect ball screw for normal automation applications. Q Oil hole 22,5 45 Q Oil hole ØA ØW d D 6-X thr 8-X thr Technical Product Specification Axial play in ballnut quality P0: Varies from no play to max mm of play Axial play in ballnut quality P1: No play (added cost) Accuracy on shaft grade C7: 50µm/300mm Max speed: See critical lap speed, page 21 Max acceleration: 10 m/s 2 Max temp: 80 Celsius Max recommended load: See in max. recommended load column below Dimension technical Description d: Diameter of ball screw n: Number of circuts Ca: asic dynamic rating load (N) l: lead on ball screw K: Stiffness (N/um) Coa: asic static rating load (N) Da: all diameter Max length: Max length on ball screw shaft (mm) Max rec. load: Max. recommended dyn. load (N) d I Da D A W X Q n Ca Coa K Max length Max rec. load SFS x SFS M6 3.8x SFS M6 2.8x SFS M6 1.8x SFS M6 3.8x SFS M6 3.8x SFS M6 1.8x SFS M6 3.8x SFS M6 3.8x SFS M6 1.8x SFS M6 3.8x SFS M6 3.8x SFS M6 2.8x SFS M6 2.8x SFS M8 3.8x SFS M8 3.8x SFS M8 2.8x

5 all screws SFV Singel nut with flange The SFV Serie of ball screw has a single flange nut. It is made in Grade C7. This type of ball screw is suitable for pressing applications or heavy load movements. Q Oil hole Z W ØA d D Y X Technical Product Specification Axial play in ballnut quality P0: Varies from no play to max mm of play Axial play in ballnut quality P1: No play (added cost) Accuracy on shaft grade C7: 50µm/300mm Max speed: See critical lap speed, page 21 Max acceleration: 10 m/s 2 Max temp: 80 Celsius Max recommended load: See in max. recommended load column below technical Description d: Diameter of ball screw n: Number of circuts Ca: asic dynamic rating load (N) l: ead on ball screw K: Stiffness (N/um) Coa: asic static rating load (N) Da: all diameter Max length: Max length on ball screw shaft (mm) Max rec. load: Max. recommended dyn. load (N) Dimension d I Da D A W X Y Z Q n Ca Coa K Max. ength Max. Rec.oad SFV M8 4.8x SFV M8 4.8x

6 all screws SFU Singel nut with flange DIN Form efthanded The SFU Serie of ballscrew is a efthanded DIN standard flange nut in diameter mm. Made in Grade C7. This type of ball screw is used for making left and right handed applications. Use this SFU type togheter with the SFS serie when you build a left and right handed application. Q Oil hole 22,5 45 A W d D 6-X thr. Technical Product Specification Axial play in ballnut quality P0: Varies from no play to max mm of play Axial play in ballnut quality P1: No play (added cost) Accuracy on shaft grade C7: 50µm/300mm Max speed: See critical lap speed, page 21 Max acceleration: 10 m/s 2 Max temp: 80 Celsius Max recommended load: See in max. recommended load column below technical Description d: Diameter of ball screw n: Number of circuts Ca: asic dynamic rating load (N) l: ead on ball screw K: Stiffness (N/um) Coa: asic static rating load (N) Da: all diameter Max length: Max length on ball screw shaft (mm) Max rec. load: Max. recommended dyn. load (N) Dimension d I Da D A W X Q n Ca Coa K Max. ength Max Rec. oad SFU M6 1x SFU M6 1x SFU M6 1x

7 all screws SFK Miniature ball screw with flange The SFK Serie of ball screw is a Miniature all screw serie with flange nut in diameter 8 10mm, in Grade C7. This ball screw serie is always P1 clearance quality, with no axial play. SFK00801, SFK00802, SFK01002 SFK Q Oil hole Z D W ØA d D W A d D Y X 4-X thr. (SFK00801) (SFK00802) (SFK01002) (SFK01004) 4-X Technical Product Specification Axial play in ballnut quality P0: Always in P1 quality Axial play in ballnut quality P1: No play Accuracy on shaft grade C7: 50µm/300mm Max speed: See critical lap speed, page 21 Max acceleration: 5 m/s 2 Max temp: 80 Celsius Max recommended load: See in max. recommended load column below technical Description d: Diameter of ball screw n: Number of circuts Ca: asic dynamic rating load (N) l: ead on ball screw K: Stiffness (N/um) Coa: asic static rating load (N) Da: all diameter Max length: Max length on ball screw shaft (mm) Max rec. load: Max. recommended dyn. load (N) Dimension d I Da D A W X Y Z Q n Ca Coa K Max. ength Max Rec.oad SFK x SFK x SFK x SFK M6 1x

8 Standard support unit K Fixed side rectangular type The K- support unit is our standard rectangular fixed support unit for our SFS-serie of ball screws. It has one fixed axial radial bearing inside and includes locking nut and spacer, for complete mounting on the ball screw. 4-ØX drill ØY counter bore depth Z T d1 1 4-Ød2 E 4 h C1 C2 P b Part No. Part name Qty 1 ousing 1 2 earing 2 3 olding lid 1 4 Spacer 2 5 Seal 2 6 ock nut 1 7 (M) exagon socket-head setscrew 1 Static load Capacity (N) Max.Axial Dynamic. oad (N) Max. Recommended Axial Dyn. oad (N) K K K K K K K Model No. all screw size Shaft Ø d1 1 2 b h +/ / E P C1 C2 d2 X Y Z M T Weight (Kg) K M K M K M K M K M K M K M

9 Standard support unit F Support side rectangular type The F- support unit is our standard rectangular support unit for our SFS-serie of ball screws. It has one radial bearing inside. It is only to be used on the support side of the ball screw. The snapring is included for complete mounting on the ball screw ØX drill ØY counter bore depth Z 1 d1 3 4-Ød2 h 1 E d1 = = P b Part No. Part name Qty 1 ousing 1 2 earing 1 3 Snap ring 1 Model No. all screw size Shaft Ø d1 b h +/ / E P d2 X Y Z earing Snap ring Weight (Kg) F ZZ S F ZZ S F ZZ S F ZZ S F ZZ S F ZZ S F ZZ S

10 Standard support unit FK Fixed side round type The FK-support unit is our standard round fixed support unit for our SFS-serie and SFK-serie of ball screws. It has two fixed axial radial bearing inside and includes locking nut and spacer, for complete mounting on the ball screw. 1 F 4 X drill Y counter bore depth Z T d1 D g6 A PCD Part No. Part name Qty 1 ousing 1 2 earing 2 3 olding lid 1 4 Spacer 2 5 Seal 2 6 ock nut 1 7 (M) exagon socket-head setscrew 1 Static load Capacity (N) Max.Axial Dynamic. oad (N) Max.Recommended Axial Dyn. oad (N) FK FK FK FK FK FK FK FK all screw size Shaft Ø d1 FK F Dg6 A PCD 1 X Y Z M T Weight (Kg) M FK M FK M FK M FK M FK M FK M FK M

11 Standard support unit FF Support side round type The FF-support unit is our standard round support unit for our SFS-serie and SFK-serie of ball screws. It has one radial bearing inside. It is only to be used on the support side of the ball screw. Includes the snapring for complete mounting on the ball screw X drill Y counter bore depth Z 3 d1 D g6 A F PCD Part No. Part name Qty 1 ousing 1 2 earing 1 3 Snap ring 1 all screw size Shaft Ø d1 FF06 8/ FF FF FF FF FF FF F Dg6 A PCD X Y Z earing Snap ring Weight (Kg) ZZ S ZZ S ZZ S ZZ S ZZ S ZZ S ZZ S

12 Standard support unit EK-Miniature Fixed side rectangular type The EK-support unit is our Miniature rectangular fixed support unit for our SFK-serie of ball screws. It has one fixed axial radial bearing inside and includes locking nut and spacer, for complete mounting on the ball screw ØX drill 2-ØY counter bore depth Z T 1 A 2-M h 1 d1 1 = = 1 b P A Part No. Part name Qty 1 ousing 1 2 earing 2 3 olding lid 1 4 Spacer 2 5 Seal 2 6 ock nut 1 7 (M) exagon socket-head setscrew 1 Static load Capacity (N) Max. Axial Dynamic. oad (N) Max. Recommended Axial Dyn. oad (N) EK EK all screw size Shaft Ø d1 1 b h +/ / P X Y Z M T EK M EK M Weight (Kg) 12

13 Standard support unit EF-Miniature Support side rectangular type The EF-support unit is our Miniature rectangular support unit for our SFK-serie of ball screws. It has only one radial bearing inside. It is only to be used on the support side of the ball screw. The snapring is included for complete mounting on the ball screw ØX drill ØY counter bore depth Z 1 d1 h 1 d1 = = P b Part No. Part name Qty 1 ousing 1 2 earing 1 3 Snap ring 1 all screw size Shaft Ø d1 b+/ h+/ P X Y Z earing Snap ring EF ZZ S EF ZZ S Weight (Kg) 13

14 heavy support unit K-F-eavy, fixed side rectangular type The K-F-support unit is our eavy rectangular fixed support unit for our SFS-serie of ball screws. It has one fixed axial radial bearing inside and includes lock nut, for complete mounting on the ball screw. This support unit is used when you would like to attach the motorflange and coupling on the support unit. You will find other accessories to this supportuniton page 20. -F M12 V1 T3 M 4 D D1 D x M11 M S1 S V2 12 M13 ocknut 4 D1 M K-F25 RN M4 K-F32 RN M4 K-F40 RN30W M6 Static load Capacity (N) Max. Axial Dynamic. oad (N) Max. Recommended Axial Dyn. oad (N) K-F K-F K-F Model No. all screw size K-F ZKF1762-2RS K-F ZKF2068-2RS K-F ZKF3080-2RS D earing D M11 +/ M12 M / S1 S2 T3 V1 V M M M

15 eavy support unit K--eavy, support side rectangular type The K--support unit is our eavy rectangular support unit for our SFS-serie of ball screws. It has two radial bearings inside. It is only to be used on the support side of the ball screw. Snapring is included for complete mounting on the ball screw. M12 2 x M11 M D d S1 M13 Model No. all screw size d D earing Snap ring M11 11 M12 M13 +/ / S1 K RS S , K RS S , K RS S

16 eavy support unit WK-eavy, fixed side round type The WK- support unit is our eavy round fixed support unit for our SFV-serie of ball screws. It has one fixed axial radial bearing inside and includes locking nut and spacer, for complete mounting on the ball screw. WK-support unit is mostly used for heavy load or pressing applications D g6 d1 d M D3 d1 D2 D1 3 4-P dp Q PCD ØV 4-P dp Q PCD ØV I I 1 2 A 6-ØX drill ØY counter bore depth Z PCD ØW A 8-ØX drill ØY counter bore depth Z PCD ØW all screw size Shaft Ø d D D1 D2 1 2 A W X Y Z d1 I V P Q WK25DFF M6 12 WK30DFF M6 12 WK35DFF M6 12 WK40DFF M6 12 Max. Axial Dyn. oad (N) Max. Recommended Axial Dyn. oad (N) Preload (N) Axial Rigidity (N/µm) Starting Torque (Nm) ock nut M D3 3 Support earing Weight (kg) WK25DFF M25x FF WK30DFF M30x FF WK35DFF M35x RS 5 WK40DFF M40x RS 5 16

17 Product accessories MA and M Motorflange for ball screws The MA/M- serie of motorflanges are easy to use to your ball screw application. The MA/M motorflange is included in a complete ball screw package. For more details look at page 19. MA A 4-Y 0, S drill 4- Q counter bore depth Z D1 7 D 7 W1 E E1 F SECTION A-A A T P D1 W1 Y D Weight P T S Q Z E E1 F +/-0.02 (Kg) MA M MA10-D M MA12-D M MA15-D M MA20-E M M 0,02 A 4-Y 4-ØS drill 4-ØQ counter bore depth Z D1 7 D 7 W1 E E1 1 7 SECTION A-A A T P D1 W1 Y D 1 Weight P T S Q Z E E1 +/-0.02 (Kg) M25-G M M M

18 Product accessories MGD all screw nut bracket The MGD Nut bracket unit suits our SFS-serie of ball screws. The Nut bracket is made out of steel, and it is possible to screw from the top and from the bottom. S1 S 2X S2 T T2 N E2 A D1 D6 E all screw size D1 E1 E2 +/-0.1 D6 A +/-0.1 +/ /-0.1 +/-0.1 N S S1 T1 S2 T2 Type MGD M10 15 M M MGD M10 15 M M MGD M10 15 M M MGD M16 20 M M MGD M18 25 M M Screw Thru Weight (Kg) 18

19 Product accessories Complete ball screw package, standard (MA/M) Our complete ball screw package MA/ M-complete are easy to use. The package includes one ball screw and one ball screw nut, two support units, one ball screw nut bracket MGD and motorflange MA/M. The motorflange MA/M is standard made to fit Mitsubishi servo motors which you can get completly mounted from us, or use an adapter plate to fit on all kind of servomotors. Motor flange all screw nut all screw Fixed bearing Coupling Servo motor Support bearing Nut bracket Complete article number One complete ball screw package standard These articles are included in article number MA/Mxx-x-Comp Motorflange Fixed earing Support earing Coupling all screw model/size all screw nut bracket Additional Servo motor (Mitsubishi) MA8--Comp MA8- FKA08 EF08 SGS27C 6/8 SFK10 - F-KP053/13 MA10-D-Comp MA10-D FK10 F10 SGS34C 8/14 SFS12 - F-KP23/43 MA12-D-Comp MA12-D FK12 F12 SGS34C 10/14 SFS16 MGD16 F-KP23/43 MA15-D-Comp MA15-D FK15 F15 SGS34C 12/14 SFS20 MGD20 F-KP23/43 MA20-E-Comp MA20-E FKA20 F20 SGS45C 17/19 SFS25 MGD25 F-KP73 M25-G-Comp M25-G FK25 F25 SG65C 20/24 SFS32 MGD32 F-SP524/1524 M30--Comp M30- WK30DF F30 SAP94C 25/35 SFS40 MGD40 F-SP2024/7024 on fixed bearing Static oad Capacity (N) Max. Axial Dynamic. oad (N) Max. Recommended Axial Dyn. oad (N) MA8--Comp MA10-D-Comp MA12-D-Comp MA15-D-Comp MA20-E-Comp M25-G-Comp M30--Comp Coupling Rec. Rated torque on Coupling (Nm) Max. Rated torque on Coupling (Nm) Tightening torque of the fastening screw (Nm) SGS27C 6/ SGS34C 8/ SGS34C 10/ SGS34C 12/ SGS45C 17/ SG65C 20/ SAP94C 25/ (4 bolts) 19

20 Product accessories Complete ball screw package, heavy (K-F) Our complete ball screw package heavy K-XX-complete is suitable for heavy applications with bigger loads or pressing applications. The package includes ball screw and ball screw nut, two support units, ball screw nut bracket MGD and a motorflange. Our motorflange is standard made to fit Mitsubishi servo motors which you can get completely mounted from us, or use an adapter plate to fit on all kind of servomotors. Coupling and Motor flange Servo motor all screw all screw nut Support bearing Nut bracket Fixed bearing Complete article number One complete ball screw package heavy These articles are included in article number K-xx-Comp Motorflange Fixed earing Support earing Coupling all screw model/size all screw nut bracket Additional Servo Motor (Mitsubishi) K-25-Comp MF K-F25-F-KP43 K-F25 K-25 K-15 14/15 SFS25 MGD25 F-KP23/43 K-32-Comp MF K-F32-F-KP73 K-F32 K-32 K-30 16/19 SFS32 MGD32 F-KP73 K-40-Comp MF K-F40-F-SP0524 K-F40 K-40 K-60 24/25 SFS40 MGD40 F-SP0524/1524 on fixed bearing Static oad Capacity (N) Max. Axial Dynamic. oad (N) Max. Recommended Axial Dyn. oad (N) K-25-Comp K-32-Comp K-40-Comp Coupling Rec. Rated torque on Coupling (Nm) Max. Rated torque on Coupling (Nm) Tightening torque of the fastening screw (Nm) K-15 14/ K-30 16/ K-60 24/

21 Product facts Critical lap speed It is necessary to check if the ball screw rotation speed is lower than the critical lap speed. We recommend 80% or less of the critical lap speed as rotation speed. The diagram below summarizes the allowable rotation speed. Select the allowable speed according to the method of supporting the ball screw Critical lap speed on ball screw (RPM) Fixed 10 0 Simple 70 Simple 20 0,2 0,3 0,4 0,5 0,6 0, Free ength on ball screw ls (M) l s Fixed Fixed (Std.) Simple Fixed 21

22 Product facts End journals for K and K-F support units (fixed-side) We are processing all of our ball screws after our customers request. Please specify the end journals on your order with help from our end journal code, in the below table. D h7 M d F S E all screw size Shaft support portion Ø Metric Screw thread E F Type K Type K-F d D M S K K K K K K K K-F K-F K-F Aluflex End Journal Code M10x1 12 C M12x1 12 C M15x1 12 C M20x1 15 C M25x C M30x C M40x C M17x M20x M30x

23 Product facts End journals for FK and EK support units (fixed-side) We are processing all of our ball screws after our customers request. Please specify the end journals on your order with help from our end journal code, in the below table. D h7 M d F S E all screw size Shaft support portion Ø Metric Screw thread E F Type FK Type EK Type WK d D M S FK06 EK FK08 EK FK FK FK FK FK FK WK- 25DFF WK- 30DFF WK- 35DFF WK- 40DFF Aluflex End Journal Code M6x A M8x1 10 A M10x1 12 A M12x1 12 A M15x1 13 A M20x1 16 A M25x A M30x A M25x D M30x D M35x D M40x D1 23

24 Product facts End journals for F and K- support units (support side) We are processing all of our ball screws after our customers request. Please specify the end journals on your order with help from our end journal code, in the below table. F K- + 0,0-0,2 + 0,00-0,20 G + 0,14-0,00 G + 0,14-0,00 G + 0,14-0,00 D d D d G + 0,14-0,00 E F + 0,2-0,0 F + 0,00-0,20 E + 0,00-0,20 F + 0,00-0,20 all screw size Shaft support portion Ø Type F Type K-F d D E F G Aluflex End Journal Code F F F F F F F K K K M M M M M M M E E E

25 Product facts End journals for FF and EF support units (support side) We are processing all of our ball screws after our customers request. Please specify the end journals on your order with help from our end journal code, in the below table. D d + 0,0-0,2 G + 0,14-0,00 E F + 0,2-0,0 Type FF all screw size Shaft support portion Ø Type EF oose earing FF06 EF FF06 EF FF FF FF FF FF FF RS RS d D E F G Aluflex End Journal Code S S S S S S S S N N 25

26 Product facts Article number all screw configuration, the chart below describes how to configure the ball screw. Use the complete code when ordering. Code for complete ball screw with ballnut and end journal SFS R C 1 D F C D P0 M C1 Nut type codes: SFS, SFV, SFU, SFK Direction of helix: R:right, : left all screw size (mm) ead (mm) No. of Turn (circuits) or Turn x Row: Turn: T:1, A:1.5 (or 1.7/1.8), :2.5/2.8, C:3.8, D:4.8 ex: (2.5 x 2 =2) Flange type: D: Double cutting Produce code: F: Rolled Accuracy grade code: C7 Overall length of shaft (mm) Position on ball nut flange: D: Flange point to fixed side S: Flange point to support side Axial clearence and preload code: P0, P1 Aluflex end journal code support side (see page 24-25) Aluflex end journal code fixed side (see page 22-23) 26

27 Product facts Axial play and clearence A standard ball screw (P0) has an axial play between 0 and maximium 0,12 mm. If this is suitable for your application you choose our standard ball screw P0 Quality. If you need a ball screw with zero play you choose our P1 Quality on your ball screw. P1 quality includes additional costs on your order. Different grade on ball screws Quality P0 P1 Axial Play Yes No Preload No No Combination of Accuracy grade and Axial play all screw diameter Rolled ball screw clearance in the axial direction Quality P0 Quality P miniature ball screw - 0 Play (Standard) medium size ball screw Play big size ball screw Play 27

28 Product facts ubrication advice ubrication interval for ball screw The table below shows the recommended lubrication interval for AluFlex ball screw. When contradictive, always choose the biggest load or highest RPM. Temperature C Rotation speed under 600 rpm over 600 rpm all screw size oad oad 8, 10, 12, 15 and 16 up to 15 kg over 15 kg 20 up to 60 kg over 60 kg 25 and 32 up to 100 kg over 100 kg 40 and 50 up to 250 kg over 250 kg 63 up to 400 kg over 400 kg ubrication interval every 1000 hours 750 hours Amount of lubricant for ball screw The amount of lubricant in grams each time regreasing takes place. Keep in mind to not exceed the lubrication. It can cause problems. Size Amount of lubricant 8, 10, 12, 15 and 16 4 gm 20 7 gm 25 9 gm gm gm gm gm Service The ball screw lubricates through one of the grease nipples in the the ball nut. Use ball bearing grease as lubricant. Keep in mind that it must not contain graphite or molybdenum disulphide. all screw mounting method The most common mounting of ball screws are shown in figure below. 28

29 Product facts ead and accuracy ead accuracy of our ball screws (grade C7) is specified in 4 basic terms (E, e, e 300, e 2π ). The terms are defined in the table below. Tolerance of deviation (+-E) and variation (e) of accumulated reference travel are shown in the figure below. Accumulated travel deviations for grade C7 are specified only by the allowable value per 300 mm, measured within any portion of the thread length. For C7 it is 0.05 mm. Travel variation on ball screw grade C7 Grade on ball screw Unit: µm C7 e 50 Definition of terms for lead accuracy Terms Reference Definition Travel compensation Actual travel Mean travel T Travel compensation is the difference between specified and nominal travel within useful travel. A slightly smaller value compared to the nominal travel is often selected by the costumer to compensate for an expected elongation caused by temperature rise or external load. Therefore T is usually a negative value. Note: If no compensation is needed, specified travel is the same as nominal travel. Actual travel is the axial displacement of the nut relative to the screw shaft. Mean travel is the linear best fit line of actual. This could be obtained by the least squares method. This line represents the tendency of actual travel. Mean travel deviation E Mean travel deviation is the difference between mean travel and specified travel within travel length. Travel variations e e 300 e 2 π Travel variations is the band of 2 lines drawn parallel to the mean travel, on the plus and minus side. Maximum width of variation over the travel length. Actual width of variation for the length of 300 mm taken anywhere within the travel length. Wobble error, actual width of variation for one revolution (2 π radian). 29

30 Product facts ifetime calculation The lifetime of a ball screw is generally expressed by the total number of revolutions. The rotation hours or total travel distance may also be used to express lifetime. See calculation below. = t = S = 3 ( ) x 10 6 Ca Pa x fw 60 n x l 10 6 : Rated lifetime in revolutions on ball screw S : ife in travel distance (Km) Pa: Axial load (N) Fw: oad factor (factor depending on operation conditions) t: ife in hours (h) Ca: asic dynamic load rating (N) n: Rotation speed (rpm) l : ead on ball screw (mm) Factor of safety, dynamic load (fsd) oad factor fsd Smooth operation without impact 1.0 ~ 1.2 Normal operation 1.2 ~ 1.5 Operation with impact and vibration 1.5 ~ 3.0 asic dynamic load rating Ca = Average load x fsd Factor of safety, static load (fss) Usage Operation fss Normal Frequent Normal operation 1.0 ~ 1.3 Operation with impact and vibration 2.0 ~ 3.0 Normal operation 1.0 ~ 1.5 Operation with impact and vibration 2.5 ~ 7.0 asic static load rating Coa = Max load x fss 30

31 Product facts Torque on ball screw shaft To calculate the torque on the ball screw shaft, we recommend you to use the below calculation. F x l = (T) Torque on ball screw shaft (Nm) x π x 0.9 F = Axial load on ball screw (N) l = lead on ball screw (mm) (exampel: all screw SFS2010, l = 10) (T) Torque on ball screw shaft (Nm) 31

32 Your Partner in Automation Solutions grafisk form Item Aluminiumprofiles D30 Tube System Work ench System elt Conveyer System Palette Conveyer System ean Production System Item News Every Year all ushings Rack and Pinion System Compact Rail inear Guides all Screws Easy Rail eavy Telescopic Rail ight Telescopic Rail Servo Motors inear Modules Complete Solutions AluFlex A illa Garnisonsgatan elsingborg Tel Fax orders@aluflex.se inearmodul A/S Sivlandvænget Odense S Tel Fax orders@linearmodul.dk AluFlex System AS Energivegen 14 Postboks Jessheim Tlf Faks orders@aluflex.no item prof iili oy Sienitie elsinki Puh Fax orders@itemprof iili.fi iili.fi With reservation for printing errors.