RACK JACK. Synchronous Lifting Systems

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RACK JACK Synchronous Lifting Systems

RACK JACK (ROUND RACK TYPE) Operation The Rack Jack from WMH Herion provides simple synchronous lifting motion. The system of rack and pinion transforms linear motion to rotation and vice versa. The force-locked connection between the lifters or drive components is achieved by shafts with round profiles. The rack jacks are available with one or two racks. In the double version, the racks move in opposite directions. This simple mechanical principle ensures a failure-free, durable and reliable operation of the product. Thanks to its compact construction in robust square housings, the lifters are particularly insensitive to external influences. Characteristics Simple and cost-effective lifting devices Robust design for long service life and continuous use High bending stiffness due to the large diameter and wide teeth on the rack Robust sliding guide for the rack Simple structure, high repeatability Average lifting speed, precise positioning in the lifting direction Complete range consisting of 6 sizes with 800 N (180 Lbs.) - 160,000 N (35,971 Lbs.) lifting force All sizes with same design principle and function Numerous mounting options incl. flange connection. 4 pinion shaft interface options for sizes 1-3. Size 4-6 have pinions customized to customer needs. Housing Aluminum (sizes 1-3) or fabricated steel (sizes 4-6) Application Areas Lifting of frames of all kinds Feed devices Feeding system for nozzels, suction devices, etc. Gripper movement / closing movement Sequential width adjustment Lifting columns for the raising and lowering of conveyor belts or other conveyor systems Height adjustment on pivoting devices Turning and tilting systems Lift tables for the lifting of car bodies in the automotive industry Lift tables with different structures, such as roller conveyors and clamping frames (used in automobile production) Centering and pushing together bottles on filling machines Pushing in / pushing forward packages in the packaging industry And many more... 1

RACK JACK (ROUND RACK TYPE) Performance Data - Rack Jack (Round Rack Type) Unit 1 2 3 4 5 6 Lifting force - F max (Lbs.) 180 450 1800 5620 15,735 35,971 N 800 2000 8000 25,000 70,000 160,000 Lifting Speed - V max (in/s) 24 24 24 24 24 24 m/s 0.6 0.6 0.6 0.6 0.6 0.6 Acceleration - a max (in/s 2 ) 1180 1180 1180 1180 1180 1180 m/s 2 30 30 30 30 30 30 Torque - M t max (Lb.In.) 71 354 2125 11070 49594 161533 Nm 8 40 240 1250 5600 18240 Pitch circle diameter - Ø d Ratio - Stroke mm 20 40 60 100 160 228 (in.) 0.79 1.57 2.36 3.94 6.30 8.98 mm/360 62.8318 125.6637 188.4955 314.1593 502.6548 716.2831 (in./rev.) 2.474 4.947 7.421 12.368 19.790 28.200 Configuration - Rack Jack (Round Rack Type) 541 - X X X - XXX Type 541 = Rack Jack (Round Rack Type) Size 1 2 3 4 5 6 Pinion Shaft Design 1 = Pinion shaft (spline profile) 2 = Pinion shaft (shaft end on one side) 3 = Pinion shaft (shaft end on both sides) 4 = Pinion shaft (hollow shaft with keyway) Number of Racks 1 = Version with 1 rack 2 = Version with 2 racks Length of Rack Please state here the desired total length of the rack by indicating the Number of teeth of the rack 2

TECHNICAL DATA - RACK JACK (ROUND RACK TYPE) SIZES 1-3 Gearbox dimensions Size A B E F G S x t X x t 1 80 70 38 20 26 M10 x 1 x 10 M4 x 6 2 110 80 61 15 47 M10 x 1 x 10 M4 x 8 3 180 130 99 15 72 M10 x 1 x 10 M4 x 8 G t S X Centering flange (when using gasket please remove) Depth dimension Lubrication hole Rack protection Mounting dimensions Size C D H R H7 x t T x t U x t (Ø **) V W 1 55 50 48 6 x 5 M6 x 12 M8 x 16 (Ø 6,8) 52 15 2 60 72 72 6 x 3 M8 x 12 M10 x 20 (Ø 8,5) 60 18 3 105 120 110 6 x 5 M10 x 20 M12 x 27 (Ø 10,2) 100 35 t Ø ** Depth dimension Value in brackets corresponds to the through hole below the thread Custom solutions available on request to meet installation space constraints - we offer the design and manufacturing of housings according to customer specifications. Please contact us to define the dimensional requirements. 3

TECHNICAL DATA - PINION SHAFTS SIZES 1-3 For sizes 1-3 of the rack jack, 4 pinion shaft designs for a variety of connection options are available. The pinion tooth geometry is identical in each size for all rack jack types. Customized pinion shafts are available on request. 1. Pinion shaft with spline profile - splined bore dimensions Spline profile DIN ISO 14 a: Number of splines (drawing shows size 3) Size a x d 1 x d 2 b 1 1 6 x 11 x 14 3 2 6 x 16 x 20 4 3 8 x 32 x 38 6 2. Pinion shaft with shaft end on one side - shaft extension dimensions 3. Pinion shaft with shaft end on both sides - shaft extension dimensions Keyway acc. to DIN 6885 P9 Size Ø D h7 L O P Q 1 14 32 30 2 25 2 25 47 45 5 36 3 42 62 60 5 50 4. Pinion shaft (hollow shaft) with keyway - bore dimensions Keyway acc. to DIN 6885 P9 Size Ø D h7 u t 1 10 3 11.4 2 20 6 22.8 3 35 10 38.3 4

TECHNICAL DATA - RACK JACK (ROUND RACK TYPE) SIZES 4-6 Gearbox dimensions Size A B E G X x t 4 300 176 150 120 M4 x 6 5 450 260 on request on request on request 6 550 320 on request on request on request G t X Centering flange (when using gasket please remove) Depth dimension Rack protection Mounting dimensions Size C H I J K T x t U x t 4 140 165 250 150 50 M16 x 32 M16 x 32 5 on request 6 on request t Depth dimension On request - for example in case of deviating available installation space or in the context of a complete custom-made solution - we offer to design and manufacture housings according to customer specifications. This applies particularly to size 5 and 6 housings. Please contact us to clarify individual production capabilities. Individual Solutions - Pinion Shafts Sizes 4 to 6 From size 4 on, the pinion shafts of the Rack Jack are manufactured exclusively to customer specifications and drawings. In advance, a detailed examination of the respective application and a corresponding design and construction of the pinion shaft takes place. Close coordination with the customer is a matter of course. 5

TECHNICAL DATA - ROUND RACKS In the rack jack, the racks transfer tension and compression forces; they do not accept transverse forces. Slide bushings are used to support the racks. Straight teeth Pressure angle 20 Toothing quality 8 h27 Outer diameter is ground h6 For Size Module d h6 M x t Material [kg/m] p L = z x p 1 1.0 25 M10 x 30 ETG 100 3.50 3.1416 2 2.5 32 M12 x 35 ETG 100 5.50 7.8540 3 2.5 60 M20 x 50 ETG 100 19.10 7.8540 4 5.0 80 M24 x 45 C45, hardened 33.90 15.7080 5 8.0 120 on request C45, hardened 76.70 25.1327 acc. to customer specifications, please state the required number of teeth in your request & order 6 12.0 150 on request C45, hardened 117.60 37.6991 z: Number of teeth p: Pitch ETG 100 is a high-quality alloy steel with a tensile strength of 960-1100 N/mm 2. The standard design of the rack includes a mounting thread (M x t, stated in the table) on both ends. Please inquire for custom machined rack ends according to application requirements and drawings. Protective Cover & Fastening Device For use in environments that are heavily contaminated with dust or metal abrasion, our rack jacks can be equipped with a protective cover. Bellows protect the racks from contamination and accumulation of dirt and dust and prevent damage to the rack jack by foreign particles. The protective cover is easy to use and is designed and customized for each rack jack. In case of need, please mention this in your inquiry. 6

RACK JACK (ROUND RACK TYPE) WITH DOUBLE SIDED TOOTHED RACK The concept of the classic Rack Jack is developed further in the Rack Jack with double sided toothed rack. Due to the design of the rack with double sided toothing, it is possible to transmit up to twice as high a load with the same rack diameter while keeping the moving mass of the rack comparatively low at the same time. This is particularly advantageous in applications with faster, shorter and dynamic strokes, since the moving mass is lower. DOUBLE RACK JACK In addition, a very balanced power ratio is achieved by the introduction of forces on two opposite sides of the rack. Thus, the load values that affect the sliding bearing of the round rack are reduced. The service life of the components and thus of the entire Rack Jack is thereby significantly increased. With Double Sided Toothed Rack Also in comparison with hydraulic cylinders, the Rack Jack with double sided toothed rack presents itself as an advantageous alternative: comparing the rack diameter with the piston diameter of the hydraulic cylinder, higher forces can be transmitted at normal pressures of the hydraulic cylinder. Manufactured acc. to customer specifications: Rack Jack with double sided toothed rack The Rack Jack with double sided toothed rack is available as a custom-made product according to customer requirements. In close coordination with the customer, a precise examination of the respective application and a corresponding design and construction of the Rack Jack takes place. The realization of the development takes place on request in prototype construction, in one-off production as well as series. We are looking forward to receiving your inquiry. 7

CUSTOMIZED RACK JACKS (ROUND RACK TYPE) In addition to our standard product range, we manufacture rack jacks according to your requirements. Please send us your inquiry with application details and we will advise regarding design, construction and manufacturing capabilities. Variations & Customization Technical design and complete manufacturing of customized rack jacks (in terms of performance, travel speeds, stroke, the connection of multiple rack jacks, etc.) Individual housing designs Pinion shafts, custom-made for different connection options, such as pinion shafts with different inner profiles or design of the shaft ends according to customer requirements and drawing Rack lengths and end machining according to customer requirements and drawing. Rack protection (individually, adapted to stroke length) Mechanical overall solution Service Calculation tool 3D-CAD data files can be provided upon request. 8

1705 Valley Road Wanamassa, NJ 07712 Phone: 800.713.6170 732.493.2812 Fax: 732.493.2949 E-mail: info@andantex.com www.andantex.com