Screw jacks. Contents

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Esmond Berry
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Contents.5 SHE range dimension plans 67-80.5.1 Type 1 68-75.

5.1.4 Anti-turn device V 72.5.1.5 Anti-turn device

14) 74.5.1.8 Telescopic configuration 74.5.1.9 Swivelling configuration 75.

switches 75.5.2 Type 2 76-80.5.2.1 Standard 76-79.5.2.2 With short safety nut LFM-K 80.

1 Contents.5 SHE range dimension plans Type Standard nd Guide ring Sf With added-on limit switches Sm/Si Anti-turn device V Anti-turn device Vm/Vi with added-on limit switches With short safety nut SFM-O With long safety nut SFM-E / SFM-D (BGV C1 or VBG 14) Telescopic configuration Swivelling configuration Swivelling configuration with added-on limit switches Type Standard With short safety nut LFM-K With long safety nut LFM-E (BGV C1 or VBG 14)

2 .5 SHE range dimension plans.5.1 Configuration type Standard Head type I Head type II Head type III Head type IV Kopf I Kopf II Kopf III Kopf IV Design "A" Design "B" F + A S + A S F Size 1.1 and.1-size 5 Size 2 Size 0,5 F = Guide ring, S = protection tube 68

3 Size 0, Screw Tr 18x6 Tr 24x5 Tr 26x6,28 Tr 0x6 Tr 40x7 Tr 60x12 Tr 70x12 Tr 90x16 Tr 100x16 A B 105, ,5 150, B1 5, ,5 5, C , D 81, E F G Ø H Ø J k K ,2 45,2 56,2 66,8 72, K , , L 2, , L M , , N Ø O P 75, ,5 105, Q xx20 5x5x16 5x5x25 5x5x2 6x6x2 8x7x40 8x7x45 10x8x50 10x8x70 Ø R S , T 5,5 9 8,5 8,5 12 6, V Ø W ) Ø U Y ) Head type I Ø a k6 18h b c Head type II Ø d Ø e Ø f 4xø7 4xø9 4xø11 4xø14 4xø17 4xø21 4xø26 4xø27 4xø r s Ø x g Head type III h i M 18x1,5 M 16x1,5 M 18x1,5 M 22x1,5 M 0x2 M 40x M 56x M 70x M 80x k Head type IV l - 0, m n Ø o H p ø u v , v , only design B 69

4 .5 SHE range dimension plans Head type I Head type II Head type III Head type IV Size Design "A" Size 75 Design "B" + A F Sf + A Sf F Design "A" Size Size Design "B" + A F Sf + A Sf F F = Guide ring, S = protection tube 70

5 Size 50.1 Size 75 Size Size 150 and Size Screw Tr 120x16 Tr140x20 Tr 160x20 Tr 190x24 Tr220x28 A B B C D E E E F G Ø H 4xØ48 6xØ45 6xØ52 8xØ52 Ø J 40k6 60 m6 60 m6 70 m6 K K , L L M N Ø O P Q 12x8x80 18x11x100 18x11x90 20x12x90 S T T V Ø W Ø W Ø U Y Head type I Ø a k b c Head type II Ø d Ø e Ø f 4xØ5 6xØ45 6xØ52 8xØ52 r s Ø x g Head type III h i M 100x5 M 120x6 M 140x6 M 160x6 k Head type IV l 120-0, , , 180-0, m n Ø o H p Ø u v v

6 .5 SHE range dimension plans nd Guide ring Sf If no guides can be fitted on site and restoring forces produced by swivelling motion or lateral forces cannot be ruled out the SHE unit should be fitted with a 2nd guide ring. Sf.5.1. With added-on limit switches Sm/Si +A2 All sizes can be supplied with mechanical or inductive limit switches. +A2 Size A2 T2 ØW2 ØU 0,5 2 11, ) Standard design with nd guide ring ) only design A Size A4 B B1 C D T M ØU ØW2 X x ,5 ± x , ± x ,1 ± x ,9 ± x , ±10 Si Sm +D +A x ± x ,1 ± ; 150; 200.1; Anti-turn device V The screw must be prevented from twisting in order to ensure correct lin ear movement. This measure can be provided on site or by means of an anti-turn device fitted to the SHE unit using a square tube. +A +A1 V Size A T ØW A1 T1 ØW1 U1 0, x x x x x x x x x x x x x

7 .5 SHE range dimension plans Anti-turn device Vm/Vi with added-on limit switches Size A4 B B1 C D T M U1 X 0, x1 40x40x2 ± x1 50x50x2 ± x1 80x80x ± x1 90x90x6 ± x1 110x110x5 ± x1 140x140x6 ± x1 220x220x10 ± ; 150 ; Vi +D Vm +A4 Ind. proximity switch Vi Mechanical limit switch Vm See chapter on accessories for technical data and dimension plans All sizes can be supplied with mechanical or inductive limit switches With short safety nut SFM-O The short safety nut takes up the axial strain if the main nut breaks. This considerably increases the operating safety of the drive elements. The safety nut can also be used to precisely check for wear on the main nut, as the clearance between the two nuts changes according to the amount of wear. In the case of worm gear screw jacks with short safety nut, the direction of main stress (tensile or compression force) and the mounting position should be taken into account, as only a correctly fitted safety nut is capable of taking up the load. SHE type 1, compression force Size B C T 1) ØW ,5 162, ,5 165, , , ; 75; 100.1; 150 and Design "A" Design "B" SHE type 1, tensile force Size A T 1) ØU lift lift lift lift lift lift + 20, lift ; 75; 100.1; 150 and ) As new. If "T = 0", supporting and safety nut must be repaired. Design "A" Design "B" 7

8 .5 SHE range dimension plans With long safety nut SFM-E / SFM-D (BGV C1 or VBG 14) Worm gear screw jacks used on theatre stages (BGV C1, former VBG 70), lifting platforms (VBG 14) or lifting systems that might affect personal safety are designed according to current regulations, and include such items as anti-drop systems (self-locking screws and/or mechanical safety brakes as part of the drive system). The function of the synchronizing device is guaranteed, if required, by additional components. SHE type 1, compression force Design "A" ➊ ➋ ➊ ➋ Design "B" Size A B C D ØU , ,5 171,5 87, ; 50.1; 75; 100.1; 150 and SHE type 1, tensile force Design "A" ➊ ➋ ➋ ➊ Design "B" Size A B C D ØU Dimension plans available Ind. proximity switch ➋ Mechanical limit switch ➊ See chapter on accessories for technical data and dimension plans Telescopic configuration Worm gear screw jacks in telescopic configuration permit long lifting distances in reduced spaces. Design "A" 0,5x+A 0,5x+A Design "B" Size Screw A B C ØW T ØW2 T1.1/0,5 5.1/ /2 15.1/.1 20/5.1 25/ /10 Tr20x5LH Tr40x5RH Tr26x6LH Tr60x6RH ,5 Tr0x6LH Tr60x6RH ,5 Tr40x7LH Tr72x7RH , Tr55x8LH Tr90x8RH Tr60x12LH Tr110x12RH

9 .5 SHE range dimension plans Swivelling configuration In order to allow worm gear screw jacks to carry out swiv el ling and tipping movements, the drive elements must be secured at two points and permitted to move. This can be done using head IV on both screw ends or an articulated head. The bending moment resulting from the swivelling motion should be minimized as much as possible by means of low-friction articulations. With end-limit stop Pe/Qe Without end-limit stop P/Q Size D F D F lift + 90 lift + 252,5 lift + 70 lift + 22,5.1 lift lift + 275,5 lift + 90 lift + 255,5 5.1 lift lift + 49 lift lift lift lift lift lift lift lift lift + 15 lift lift lift lift lift ; 50.1; 75; Swivelling configuration with added-on limit switches +D1 All sizes can be supplied with mechanical or inductive limit switches +D1 Size B B1 C D D1 F M T X ,5 12x1 58 ± ,5 12x1 58 ± x1 58 ± 10 0,5; 1.1; 2; 20.1; 25; 5 ; 50.1; 75 and

10 .5 SHE range dimension plans.5.2 Configuration type Standard Screw ends Cross section A-A Head type III Head type I Design "A" Travelling nut LFM Design "B" Size 1.1 and.1 - Size 5 Size 2 Size 0,5 76

11 .5 SHE range dimension plans Size 0, Screw Tr 18x6 Tr 24x5 Tr 26x6,28 Tr 0x6 Tr 40x7 Tr 60x12 Tr 70x12 Tr 90x16 Tr 100x16 C , D 81, E F G ø H ø J k K ,2 45,2 56,2 66,8 72, K , , L 2, , L M , , N NL lift + 72 lift + 80 lift + 80 lift + 85 lift lift lift lift lift ø O Q xx20 5x5x16 5x5x25 5x5x2 6x6x2 8x7x40 8x7x45 10x8x50 10x8x70 ø R S , T 1 18, , T V ø W ø W Safety X Y Y Traveling nut LFM a b ø c h ø d Head I ø a k b Head III h i M 10 M 16x1,5 M 18x1,5 M 22x1,5 M 0x2 M 40x M 56x M 70x M 80x 77

12 .5 SHE range dimension plans Head type I Head type III Travelling nut LFM Design "A" Size Size 75 Design "B" Design "A" Size Size Design "B" 78

13 .5 SHE range dimension plans Size 50.1 Size 75 Size Size 150 and Size Screw Tr 120x16 Tr 140x20 Tr 160x20 Tr 190x24 Tr 220x28 C D E E E F G ø H ø J 40k6 60m6 60m6 70m6 K K , L L M N NL lift lift + 00 lift + 00 lift + 40 ØO Q 12x8x80 18x11x100 18x11x90 20x12x90 S T T V Ø W Ø W Safety X Y Y Travelling nut LFM a b ø c h ø d Head I ø a k b Head III h i M 100x5 M 120x6 M 140x6 M 160x6 79

14 .5 SHE range dimension plans With short safety nut LFM-K The short safety nut takes up the axial strain if the main nut breaks. This consid erably increases the operating safety of the drive elements. The safety nut can also be used to precisely check for wear on the main nut, as the clear ance between the two nuts changes according to the amount of wear. In the case of worm gear screw jacks with short safety nut, the direction of main stress (tensile or compression force) and the mounting position should be tak en into account, as only a correctly fitted safety nut is capable of taking up the load. SHE type 2, compression and tensile force Compression Tension Size a 1) b Øc NL lift lift lift lift lift lift lift lift lift lift lift With long safety nut LFM-E (BGV C1 or VBG 14) Worm gear screw jacks used on theatre stages (BGV C1, former VBG 70), lifting platforms (VBG 14) or lifting systems that might affect personal safety are designed according to current regulations, and include such items as anti-drop systems (self-locking screws and/or mechanical safety brakes as part of the drive system). The function of the synchronizing device is guaranteed, if required by, additional components. SHE type 2, compression and tensile force Fig. without limit switch Compression Tension See chapter.9 for details of further travelling nut configurations - Travelling nut with trunnion LWZ - Travelling nut with keyed surface LSF - Travelling nut with spherical support LSA - Ball screw (Ku) with single flange nut KGM Size a 1) b Øc NL lift lift lift lift lift lift lift lift lift lift lift ) As new. If "T = 0", supporting and safety nut must be repaired. Mechanical limit switch See chapter on accessories for technical data and dimension plans 80

15 Contents.6 MERKUR range dimension plans Type Standard nd Guide ring 2FR With added-on limit switches Sm/Si Anti-turn device V Anti-turn device Vm/Vi with added-on limit switches Mounting brackets Type Standard With short safety nut LFM-K With long safety nut LFM-E (BGV C1 or VBG 14)

16 .6 MERKUR range dimension plans.6.1 Type Standard Head Kopf type II II Head Kopf III type III Head Kopf type IV IV Head Kopf type GK GK +A Standard without thread holes; option with 6x60 thread holes. Lubricaton connection M10x1 82

17 Size M 0 M 1 M 2 M M 4 M 5 M 6 M 7 M 8 Screw Tr 14x4 Tr 18x4 Tr 20x4 Tr 0x6 Tr 40x7 Tr60x9 Tr80x10 Tr100x10 Tr120x14 Ball screw** Ku 16x05 Ku 20x05 Ku 25x05 Ku 40x05 Ku 50x10 - Ku 16x10 Ku 25x10 Ku 40x Ku 16x20 Ku 25x25 Ku 40x20 A/A* 25/55 25/55 5/65 40/75 45/100 55/90 60/110 65/ /145 B C , , , D E F G H M6 M8 M8 M10 M12 M20 M0 M6 M42 ø J k K K L L ,5 25, ,5 L N P Q xx14 xx18 5x5x20 5x5x6 6x6x6 8x7x56 8x7x56 10x8x56 14x9x90 T ø U ø W , Y Head II ø d ø e ø f 4xØ7 4xØ9 4xØ11 4xØ11 4xØ1 4xØ17 4xØ25 4xØ2 4xØ8 g s r ø x Head III h i M8 M12 M14 M20 M0 M6 M64x M72x M100x k Head IV l h m n ø o H p ø u v v Head GK l H m n ø o H p u ø u v v A* = Screw with run-out prevention system or screw for KGT-Version ** Dimensions for ball screws. 8

18 .6 MERKUR range dimension plans nd Guide ring 2FR With all sizes of the MERKUR standard range.6.1. With added-on limit switches Sm/Si All sizes can be supplied with mechanical Sm or inductive Si limit switches. Size A4 B B1 C D T M Ø W2 X +D +A4 Sm/Si Sm/Si M /8 12/24 50 M12x1 28 ±10 M /8 12/24 50 M12x1 2 ±10 M /8 16/28 50 M12x1 40 ±10 M /4 16/28 50 M12x1 50 ±10 M /52 20/2 50 M12x1 65 ±10 M /60 20/2 50 M12x1 90 ±10 M /60 25/7 50 M12x1 125 ±10 M /70 0/42 50 M12x1 150 ±10 M /80 0/42 50 M12x1 180 ± Anti-turn device V The screw must be prevented from twisting in order to ensure correct linear movement. This measure can be provided on site or by means of an anti-turn device fitted to the MERKUR unit using a square tube. +A Size A W4 M x5 M x40 M 80 50x50 M x70 M x90 M x125 M x150 M x Anti-turn device Vm/Vi with added-on stroke limit switches All sizes can be supplied with mechanical Vm or inductive Vi limit switches. +D +A4 Size A4 B B1 C D T M W4 X Vm/Vi Vm/Vi M /8 12/24 50 M12x1 5x5 ±10 M /8 16/28 50 M12x1 40x40 ±10 M /4 16/28 50 M12x1 50x50 ±10 M /52 20/2 50 M12x1 70x70 ±10 M /60 20/2 50 M12x1 90x90 ±10 M /60 25/7 50 M12x1 125x125 ±10 M /70 0/42 50 M12x1 150x150 ±10 M /80 0/42 50 M12x1 180x180 ±10 84

19 .6 MERKUR range dimension plans Mounting brackets Size L1 L2 L B1 B2 H1 H2 ØD1 ØD2 M ,6 11 M ,0 15 M ,0 15 M ,0 18 M ,5 20 M ,0 M 6 M 7 M

20 .6 MERKUR range dimension plans.6.2 Type Standard Head type I Travelling nut LFM* Standard without thread holes; option with 6x60 thread holes. Lubrication connection M10x1 * Further designs available - see chapter.9 86

21 .6 MERKUR range dimension plans Size M 0 M 1 M 2 M M 4 M 5 M 6 M 7 M 8 Screw Tr 14x4 Tr 18x4 Tr 20x4 Tr 0x6 Tr 40x7 Tr60x9 Tr80x10 Tr100x10 Tr120x14 C , , , D E F G H M 6 M 8 M 8 M 10 M 12 M 20 M 0 M 6 M 42 ø J k K K L L ,5 25, ,5 L N NL lift + 52 lift + 56 lift + 70 lift + 85 lift lift lift lift lift P Q xx14 xx18 5x5x20 5x5x6 6x6x6 8x7x56 8x7x56 10x8x56 14x9x90 T T1 1) ø W , ø W1 1) , Safety X Y Travelling nut LFM a b ø c h ø d Head I ø i j h ) For size M0 up to size M5 can the bearing neck be omitted. 87

22 .6 MERKUR range dimension plans With short safety nut LFM-K The short safety nut takes up the axial strain if the main nut breaks. This considerably increases the operating safety of the drive elements. The safety nut can also be used to precisely check for wear on the main nut, as the clearance between the two nuts changes according to the amount of wear. In the case of worm gear screw jacks with short safety nut, the direction of main stress (tensile and compression force) and the mounting position should be tak en into account, as only a correctly fitted safety nut is capable of taking up the load. MERKUR type 2, compression and tensile force Compression Size NL a 1) b Øc* M 0 M 1 M 2 lift M lift Tension M 4 lift M 5 lift M 6 lift M 7 lift M 8 * Diameter Øc for standard supplied travelling nut FMR With long safety nut LFM-E (BGV C1 or VBG 14) Worm gear screw jacks used on theatre stages (BGV C1, former VBG 70), lifting platforms (VBG 14) or lifting systems that might affect personal safety are de signed according to current regulations, and include such items as anti-drop systems (self-locking screws and/or mechanical safety brakes as part of the drive system). The function of the synchro nizing device is guaranteed, if re quired, by additional components. MERKUR type 2, compression and tensile force Compression Tension Size NL a 1) b Øc* M 0 M 1 M 2 lift M lift M 4 lift M 5 lift M 6 lift M 7 lift M 8 1) As new. * Diameter Øc for standard supplied travelling nut FMR. Fig. without limit switch See chapter.9 for details of further travelling nut configurations - Travelling nut with trunnion LWZ - Travelling nut EFM - Travelling nut with keyed surface LSF - Travelling nut with spherical support LSA - Ball screw (Ku) with single flange nut KGM 88

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