B E V E L G E a R S C R E W J a C

Version 1.02.03

www.nookindustries.com BEVEL GEAR JACKS BEVEL GEAR SCREW JACK SYSTEMS JACK MODELS JACK CONFIGURATIONS

Nook Bevel Gear Screw Jack systems are ruggedly designed using MACHINE SCREW JACKS TRANSLATING JACKS a ground spiral bevel gear and produced in standard models with Bevel Gear Machine Screw Jacks incorporate the use of a trapezoidal A translating jack has a lifting shaft that moves through the gear box. load handling capacities from 12.3kN to 117kN. They may be used screw. The acme screw conforms to DIN 103 standard with a low A nut is integrated with the bevel gear such that the bevel gear and individually or in multiple arrangements. There are no “standard” backlash between the nut and screw. nut rotate together. When the lift shaft is held to prevent rotation, the travel lengths and each bevel gear screw jack is built to specification. lift shaft will move linearly through the gear box to move the load. All bevel gear screw jacks are equipped with hardened and sharpened BALL SCREW JACKS ROTATING JACKS spiral toothed bevel gear transmissions for high lifting speed and Bevel Gear Ball Screw Jacks use a ball screw and nut made from hardened A rotating jack has a lift shaft that moves a nut as it turns. The greater duty cycle. alloy steel with hardened bearing balls carrying the load between the nut lift shaft is fixed to the bevel gear. This causes the load, which is The Bevel Gear Screw jack housings are made from AISI Class 30 and the screw permitting smooth and efficient movement of the load. attached to the travel nut, to move along the lift shaft. gray cast iron. The input shafts are either AISI 5210 alloy steel for the Because of the greater efficiency and rolling action, the ball screw can 2:1 ratios, or AISI 1045 alloy steel for the 3:1 ratios. The lift shafts are operate at higher speeds or increased duty cycle when compared with KEYED JACKS made from AISI 1055 alloy steel. The bevel jacks are shipped with a the Machine Screw Jack. The addition of a high efficiency ball screw and The lift shaft of a translating style jack must be attached to something zinc phosphate coating and can be painted upon request. nut reduces the required input torque to approximately one-third the which prevents the lift shaft from rotating. If it is not, the lift shaft torque required for the Machine Screw Jack. (and the load) will turn and not translate. A feature can be added to a machine screw jack to prevent lift shaft rotation. This type of jack is referred to as a “keyed jack” and is available in translating models. Anti-rotation is accomplished by a square guide attached to the screw translating inside a square stem cover attached to the jack. The square stem tube is supplied with lube fittings.

TRANSLATING

ROTATING KEYED

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TRAVEL LENGTH Duty cycle is the ratio of run time to total cycle time. Some of the BALL SCREW VS. MACHINE SCREW JACK KILOWATT RATINGS Jacks are not pre-assembled or stocked with standard length mechanical energy input to a Bevel Gear screw jack is converted The decision to use a ball screw jack or a machine screw jack is based The kilowatt limit of the jack is a result of the ability to dissipate the screws. Each jack is made to order based on travel length. Nook into heat caused by friction. The duty cycle is limited by the ability on the application. For many applications, a ball screw model is the heat generated from the inefficiencies of its components. Kilowatt is Industries has the capability to manufacture long screws for special of the Bevel Gear screw jack to dissipate heat. An increase in best choice. Ball screw jacks are more efficient and therefore require calculated by using the following formula: applications, limited only by the availability of raw materials. Rotating temperature can affect the properties of some components resulting less power than a machine screw jack in the same application. screw jacks may be assembled with a larger diameter lift screw for in accelerated wear, damage and possible unexpected failure. Torque to Number Tare For low duty cycle applications, for hand-operated applications, or if + Drag x RPM kW raise one x of kN greater column strength. Consult pages 8 and 9 for efficiency speed/load graph to best kN(N •m) to be raised Torque back driving is not acceptable consider a machine screw jack. per jack = INPUT TORQUE determine the proper duty cycle for your given application. Bevel Gear Ball Screw Jacks are preferred for: 9,549 The input torque is the rotary force required at the input of the jack SELF-LOCKING AND BRAKES The product specification pages show the “torque to raise one kN” • Long travel lengths to generate an output force at the lift shaft. The product specification Self-locking occurs when system efficiencies are low enough that • Long, predictable life value for each jack. pages show the torque necessary to raise per one kN. This number the force on the lifting shaft cannot cause the drive system to • High duty cycles Kilowatt values are influenced by many application specific variables multiplied by the load is the required input torque. reverse direction. All bevel screw jacks can back drive and require • Oscillating motion including mounting, environment, duty cycle and lubrication. The some means of holding the load, such as a brake on the motor. The Due to static friction, starting or “breakaway” torque can be as Bevel Gear Machine Screw Jacks are preferred for: best way to determine whether performance is within kilowatt limits product specification pages show holding torque values. Holding much as two to three times running torque. If the load is moved • Vibration environments is to measure the jack temperature. The temperature of the housing torque represents the amount of input torque required to restrain horizontally, the force required to move the load will be lessened in • Manual operation near the input shaft must not exceed 90°C. proportion to the coefficient of friction of the surface along which the load. • High static loads COLUMN STRENGTH the load is moved. In addition, the force needed to start, stop and In addition to back driving, system inertia usually results in some Column strength is the ability of the lift shaft to hold compressive hold the load (inertia loading) is provided by the jack. Jack sizing over travel when the motor is switched off. The inertia of the system JACK SIZING CONSIDERATIONS loads without buckling. With longer screw lengths, column strength should consider all these forces. If an application calls for several should be considered when determining the brake size required to Jacks are limited by multiple constraints: load capacity, duty can be substantially lower than nominal jack capacity. jacks to be driven together in series, the first jack should be limited stop a dynamic load. cycle, kilowatt, column strength, critical speed, type of guidance, to three times the rated Maximum Input Torque, as listed in the Jack TEMPERATURE brakemotor size, and ball screw life. To size a screw jack for these If the lift shaft is in tension only, the screw jack travel is limited by Selection chart for the particular selected jack. For multiple high lead constraints, application information must be collected. the available screw material or by the critical speed of the screw. All Bevel Gear Screw Jacks are suitable for operation within the ball screw jacks or belt/chain driven jacks contact Nook Industries for Refer to the acme screw and ball screw technical sections for critical specified limits provided that the housing temperature is not LOAD CAPACITY allowable input torque values. Multiple jacks driven in a series may speed limitations. If there is any possibility for the lift shaft to go into lower than 0°C or higher than 90°C. For higher or lower operating The load capacity of the jack is limited by the physical constraints of require operation at reduced load. compression, the application should be sized for sufficient column temperature ranges contact Nook Industries. its components (drive sleeve, lift shaft, bearings, etc.). All anticipated TARE DRAG TORQUE strength. loads should be within the rated capacity of the jack. Loads on the Housing temperature should be monitored and kept below 90°C The gear box components (bearings, seals and oil) in a jack add “tare jack in most applications include: static loads, dynamic or moving Charts are provided to determine the required jack size in applications maximum. Continuous or heavy duty operation is possible by de- drag”. The product specification pages show the tare drag torque. Tare loads, cutting forces or other reaction forces and acceleration/ where the lift shaft is loaded in compression. To use the charts (pages rating the jack capacity, external cooling of the unit or through the drag should be considered when calculating total torque required. deceleration loads. 6 and 7, find a point at which the maximum length “L” intersects the use of a recirculating lubrication system. maximum load. Be sure the jack selected is above and to the right INPUT SPEED For shock loads, the peak load must not exceed the rated capacity TRAVEL STOPS of that point. of the jack, and an appropriate design factor should be applied that is Bevel Gear Screw Jacks are rated for up to 3,000 rpm input speed, Travel stops are not standard. A limit switch and a brake should be commensurate with the severity of the shock. Maximum Length – The maximum length includes travel, housing provided kilowatt and temperature ratings are not exceeded. A used to stop the motor. Mechanical stops can cause damage to the length, starting/stopping distance, extra length for boots and length speed-factor must be applied when input speeds are greater than Total Load - The total load includes static loads, dynamic loads and jacks because most electric motors will deliver stall torques much to accommodate attachment of the load. 1500 rpm. (see page 8) Contact Nook Industries engineers if higher higher than their rated torques and motor inertia can cause severe inertia loads from acceleration and deceleration. Also consider input speeds are required. shock loads. For hand operation, mechanical stops can be provided. reaction forces received from the load such as drilling or cutting If column strength is exceeded for the jack selected, consider the following options: DUTY CYCLE forces when using a jack to move a machine tool. For multiple jack systems, load distribution should be considered. • Change the jack configuration to put the lift shaft in tension System stiffness, center of gravity, drive shaft windup and lead • Increase size of jack. variation in the lift shafts may result in unequal load distribution. • Add a bearing mount (like the EZZE-MOUNT™) for rotating Number of Jacks - The number of jacks used depends on physical size jacks. and design of the equipment. Stiffness of the equipment structure • Change the lift shaft mounting condition (e.g. from clevis to and guide system will determine the appropriate number of jacks top plate). required. Fewer jacks are easier to drive, align and synchronize. CAUTION: Chart does not include design factors. The charts assume proper jack alignment with no bending loads on the screw. Effects from side loading are not included in this chart. Jacks operating horizontally with long lift shafts can experience bending from the weight of the screw.

4 NOOK BEVEL GEAR JACKS nookindustries.com

Column strength is the ability of the lift shaft to hold compressive To use this chart: Find a point at which the maximum length “L” Column strength is the ability of the lift shaft to hold compressive To use this chart: Find a point at which the maximum length “L” loads without buckling. With longer screw lengths, column strength intersects the maximum load. Be sure the jack selected is above and loads without buckling. With longer screw lengths, column strength intersects the maximum load. Be sure the jack selected is above and may be substantially lower than nominal jack capacity. to the right of that point. may be substantially lower than nominal jack capacity. to the right of that point. If the lift shaft is in tension only, the screw jack travel is limited by CAUTION: Chart does not include a design factor. If the lift shaft is in tension only, the screw jack travel is limited by the CAUTION: chart does not include a design factor. the available screw material or by the critical speed of the screw. available screw material or by the critical speed of the screw. Refer to The chart assumes proper jack alignment with no bending loads on The chart assumes proper jack alignment with no bending loads on Refer to the ball screw technical section for critical speed limitations. the trapezoidal screw technical section for critical speed limitations. the screw. Effects from side loading are not included in this chart. the screw. Effects from side loading are not included in this chart. If there is any possibility for the lift shaft to go into compression, the If there is any possibility for the lift shaft to go into compression, the Jacks operating horizontally with long lift shafts can experience Jacks operating horizontally with long lift shafts can experience application should be sized for sufficient column strength. application should be sized for sufficient column strength. bending from the weight of the screw. Consult Nook Industries if bending from the weight of the screw. Consult Nook Industries if The chart below is used to determine the required jack size in side thrust is anticipated, operating horizontally, or maximum raise is The chart below is used to determine the required jack size in side thrust is anticipated, operating horizontally, or maximum raise is applications where the lift shaft is loaded in compression. greater than 30 times the screw diameter. applications where the lift shaft is loaded in compression. greater than 30 times the screw diameter.

1,000 1,000

700 MOUNTING CONDITIONS 700 MOUNTING CONDITIONS

500 500 A L A L 300 ONE END FIXED 300 ONE END FIXED ONE END FREE ONE END FREE 200 200

G3 100 100 G3 70 C 70 C 50 50 G2 ONE END FIXED, ONE END FIXED, G2HL 30 ONE END L 30 ONE END L SUPPORTED SUPPORTED G2 (CLEVIS (CLEVIS 20 20 G1 Load (kN) Load (kN) G1 ATTACHED TO ATTACHED TO GUIDE STRUCTURE) GUIDE STRUCTURE)

10 ONE END FIXED, 10 ONE END FIXED, ONE END ONE END L L 7 SUPPORTED 7 SUPPORTED (RADIAL BEARING)) (RADIAL BEARING)) 5 5

3 3

2 2 D D 1 1 BOTH ENDS FIXED BOTH ENDS FIXED A 50 100 150 250 350 500 1,000 1,500 A 50 100 150 250 350 500 1,000 1,500 (TOP PLATE L (TOP PLATE L C 150 300 450 750 1,050 1,500 3,000 4,500 ATTACHED TO C 150 300 450 750 1,050 1,500 3,000 4,500 ATTACHED TO GUIDED GUIDED D 200 400 600 1,000 1,400 2,000 4,000 6,000 STRUCTURE) D 200 400 600 1,000 1,400 2,000 4,000 6,000 STRUCTURE) “L” (mm) “L” (mm) Bevel Ball Screw Jacks Bevel Machine Screw Jacks

6 NOOK BEVEL GEAR JACKS nookindustries.com

100 100

90 90

80 80

70 70

60 60

G1-BSJ-UR-3:1 50 50 DUTY CYCLE (%) @ 1500 rpm* CYCLE DUTY DUTY CYCLE (%) @ 1500 rpm* CYCLE DUTY 40 40 G2-BSJ-UR-3:1 G1-BSJ-UR-2:1

G3-BSJ-UR-3:1 G1-MSJ-UR-3:1 30 G1-BSJ-U-3:1 30 G2-MSJ-UR-3:1 G2-BSJ-UR-2:1 G3-MSJ-UR-3:1 G2-BSJ-U-3:1 G3-BSJ-UR-2:1 G1-MSJ-UR-2:1 20 G1-BSJ-U-2:1 20 G2HL-BSJ-UR-3:1 G2-MSJ-UR-2:1 G2-BSJ-U-2:1 G3-BSJ-U-3:1 G3-MSJ-UR-2:1 G2HL-BSJ-UR-2:1 10 G3-BSJ-U-2:1 10 G2HL-BSJ-U-3:1 G2-MSJ-U-3:1 G2HL-BSJ-U-2:1 G1-MSJ-U-3:1 G3-MSJ-U-3:1 G1-MSJ-U-2:1 G2-MSJ-U-2:1 G3-MSJ-U-2:1 0 0 0.5 10 20 30 40 50 60 70 0.5 10 20 30 40 50 60 70 80 90 100 LOAD (kN) LOAD (kN) *Chart is based on 20°C Ambient Temp. *Chart is based on 20°C Ambient Temp. To calculate the operating time for other speeds and

To calculate the operating time for other speeds and temperatures, multiply the duty cycle in % by fn and ft. temperatures, multiply the duty cycle in % by fn and ft. SPEED AMBIENT TEMP If different speeds determine the average of speed: SPEED AMBIENT TEMP If different speeds determine the average of speed: SPEED FACTOR fn TEMP (C) FACTOR ft SPEED FACTOR fn TEMP (C) FACTOR ft (nm = n1*q1 + n2*q2 + …ni*qi)/100 (n = n *q + n *q + …n*q)/100 3000 0.5 0° 1. 5 3000 0.5 0° 1. 5 m 1 1 2 2 i i 2500 0.6 10° 1. 2 n1, n2, …= Each incremental speed movement in rpm 2500 0.6 10° 1. 2 n1, n2, …= Each incremental speed movement in rpm 2000 0.75 20° 1. 0 q , q , …= Percentage of move time 2000 0.75 20° 1. 0 1 2 q1, q2, …= Percentage of move time 1000 1. 5 30° 0.8 n = Average speed in rpm 1000 1. 5 30° 0.8 m nm = Average speed in rpm 750 2 40° 0.6 750 2 40° 0.6 500 3 50° 0.4 500 3 50° 0.4 250 6 60° 0.2 250 6 60° 0.2

Max temp 70°C at Gear Box Max temp 70°C at Gear Box

8 NOOK BEVEL GEAR JACKS nookindustries.com

CRITICAL SPEED REQUIRED APPLICATION DATA DEFINITIONS - The dynamic load ratings shown on the product OPERATION CONDITION f (FATIGUE FACTOR) specification pages indicate the load that can be carried for 1 million w The speed that excites the natural frequency of the screw is referred Load No External Vibration 1.0 - 1.2 revolutions based on 90% reliability. to as the critical speed. Resonance at the natural frequency of the • Total Maximum Thrust Load on Jacks Indirect Vibration 1.2 - 1.5 screw will occur regardless of the screw orientation or configurations The charts on pages 11 relate life to load. In applications where the • Total Maximum Thrust Load on any one Jack Direct Vibration OR High Cyclical Impact 1.5 – 2.5 of the jack (vertical, horizontal, translating, rotating, etc.). The critical load and rotational speed is relatively constant over the entire stroke, Direct Vibration AND High Cyclical Impact 2.5– 3.5 speed will vary with the diameter, unsupported length, end fixity • Number of Jacks use the highest load in selecting a ball screw to provide a factor of and rpm of the screw. Since critical speed can also be affected by Travel extra life. For applications where the loads and/or rotational speed the shaft straightness and assembly alignment, it is recommended vary significantly, an equivalent load can be calculated using the • Length in millimeters INDIRECT VIBRATION - Any vibration associated near the screw following formula: that the maximum speed be limited to 80% of the calculated critical mounting which influences the stability of the assembly. • Orientation (vertical, horizontal, arc, diagonal, etc.) speed. n 3 nj qj DIRECT VIBRATION - Any vibration directly linked to the screw • Travel Rate 3 Because of the nature of most screw jack applications, critical speed Fm = Fj × × ∑ nm 100 assembly which influences the stability of the assembly. is often overlooked. However, with longer travels, critical speed • Optimal Speed j=1 HIGH CYCLICAL IMPACT - Any repetitive impact or high deceleration should be a major factor in determining the appropriate size jack. • Minimal Acceptable Speed WHERE: Refer to Nook Industries Precision Screw Assemblies Design Guide of the ball screw assembly. • Maximum Acceptable Speed Fm = equivalent axial l0ad (N) to best determine the appropriate critical speed for a particular jack F = each increment of axial l0ad (N) selection. Duty Cycle j q = percent of stroke at l0ad F LIFE (ADJUST TO RELIABILITY) • Distance Per Cycle j j TRAVEL RATE If operation reliability higher than 90% is required, then the nj = rotational speed at l0ad Fj (rpm) Establishing a travel rate allows for evaluation of critical speed • Number of cycles per time period theoretical life must be corrected by using a reliability factor (far) nm = equivalent rotational speed (rpm) and is given by the and kilowatt limits. Acceleration/deceleration time needs to be • Maximum Distance Traveled in any Year following equation: according to the table. considered when determining maximum required travel rate. • Life Desired n Lar = L × far qj TYPE OF GUIDANCE n = × n Configuration m ∑ 100 j Linear motion systems require both thrust and guidance. Jacks are j=1 • Tension, Compression, or both designed to provide thrust only and provide insufficient guidance RELIABILITY (%) far support. The guidance system must be designed to absorb all loads • Driven by Hand, Motor, or Other LIFE (REVS) 90 1 other than thrust. • Translating, Rotating The life required in revolutions is determined by multiplying the total 95 0.62 stroke in millimeters by the total number of strokes required for the Nook Industries can provide either hardened ground round shafting For dimension information, please refer to the guides online at www. 96 0.53 or square profile rail to support and guide linear motion systems. designed life of the equipment and then dividing by the lead of the nookindustries.com. 97 0.44 ball nut. Ball nut life is greatly influenced by the operating condition, BRAKEMOTOR SIZING including speed and vibration the assembly may see. A fatigue 98 0.33 Safety is the most important consideration. A brake motor is factor must be considered when calculating life. To calculate the life 99 0.21 recommended for all Bevel Gear products where there is a possibility for a ball nut use the following formula: of injury. 3

Ca LIFE (HOURS) The kilowatt requirements determine the size of the motor. Upon L = × 106 F f If total time is needed, the following equation can be used to find the selecting a brake motor, verify that the standard brake has sufficient ( m × w ( life measured in hours: torque to both hold the load and stop the load. WHERE: L L = L = Life measured in revolutions h CAUTION: High lead ball screw jacks may require larger nonstandard 60 × nm

brakes to stop the load. An appropriately sized brake will insure Ca = Basic Dynamic Load Rating against excessive “drift” when stopping for both the Ball Screw and Fm = equivalent axial load (N) Machine Screw Jacks. fw = Fatigue Factor

10 NOOK BEVEL GEAR JACKS nookindustries.com

The specifications and data in this publication are believed to be accurate and reliable. However, it is the responsibility of the product user to determine the suitability of Nook Industries products for a specific application. While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement. 11 QUICK REFERENCE BEVEL GEAR JACKS BALL SCREW BEVEL GEAR JACKS Back Drive INPUT ROTATION Raise for One Torque to Holding Tare Drag Dynamic The input shafts can either rotate CW or CCW with respect to Gear Lifting Screw Screw lead Turn of Worm Max Input Raise 1 kN Torque Torque Load Ca extending the lift shaft. Care must be taken when using multiple Ratio Capacity (kN) Dia (mm) (mm) (mm) Torque (N·m) (N·m) (N·m) (N·m) (kN) jack arrangements. Bevel Jacks with two input shafts will rotate in G1 2:1 15 25 5 2.5 50 0.53 2.68 1. 8 2.3 opposing direction with respect to their common axis. See page XXX 3:1 15 25 5 1. 6 50 0.34 1. 16 1. 7 2.3 for multiple jack arrangements. G2 2:1 50 40 5 2.5 175 0.53 9.64 2.3 23.8 3:1 50 40 5 1. 6 175 0.34 5.44 2.2 23.8 U Z G2-HL 2:1 50 32 10 5 175 1.06 21.57 2.3 33.4 3:1 50 32 10 3.33 175 0.71 13.70 2.2 33.4 G3 2:1 90 63 10 5 1600 1.06 38.57 4.4 76.0 PORT LOCATION D 3:1 90 63 10 3.33 1600 0.71 31.47 25.51 76.0 F The bevel jacks are oil filled and are fitted with an oil vent. The bevel jacks come with four port plugs located on the same surface. When MACHINE SCREW BEVEL GEAR JACKS E ordering, specify which surface the ports are to be located. After D Raise for One Torque to Back Drive Tare Drag installation, replace the upper most port plug with the supplied oil Gear Lifting Screw Screw lead Turn of Worm Max Input Raise 1 kN Holding Torque Torque vent. The oil level is half the volume of the gear box housing. The Ratio Capacity (kN) Dia (mm) (mm) (mm) Torque (N·m) (N·m) (N·m) (N·m) oil vent needs to be located in the port that is above the oil line F G1 2:1 20.6 24 5 2.5 50 0.88 1.06 1. 8 to prevent leakage. If the vent is not properly installed excessive 3:1 20.6 24 5 1. 6 50 0.57 0.13 1. 7 pressure will build in the gearbox housing and leakage can occur. C G2 2:1 44.5 40 7 3.5 175 1.39 6.61 2.3 3:1 44.5 40 7 2.3 175 0.93 3.73 2.2 C G3 2:1 117 60 9 4.5 1600 2.05 13.65 4.4 SSE-1/000-2 3:1 117 60 9 3 1600 1.36 7.73 4.3

REFERENCE NUMBER SYSTEM SSE-1/SSE-2 BEVEL GEAR JACKS LUBRICATION G2-BSJ- U 2:1 / SSE-1 / 000-2 / UD/ FT / 580 / BS Unlike standard worm screw jacks, Nook bevel screw jacks are half SSE-1/SSX-2 filled with oil. This requires venting to relieve pressure that can build JACK MODEL up during the operation of the jack. The bevel jacks come with four HOUSING port locations on a common face, which is typically located opposite Model # G1-BSJ G1-MSJ CONFIGURATION the input shaft. The jacks will be shipping oil filled with one oil vent G2-BSJ G2-MSJ F = Standard Flange Base and four oil plugs. Once installed remove the upper most port and G2HL-BSJ G3-MSJ T = Trunion G3-BSJ replace with the supplied vent. SCREW CONFIGURATION CONFIGURATION TRANSLATING - U and UK Models U = Upright T = Standard Threaded End UR = Upright Rotating C = Clevis End D = Female Clevis End UK = Upright Keyed P = Top Plate R = Rodeye Clevis OIL GAUGE 32 OIL VENT ROTATING - UR Models GEAR RATIO A = Travel Nut Position A Refer to product pages for available ratios. B = Travel Nut Position B 50 Travel Nuts shown in X SHAFT ORDER CODE position A. SSE-1/000-2 = ONE Shaft Input SSE-1/SSE-2 = TWO Shaft Inputs (180˚) TRAVEL SSE-1/SSX-2 = TWO Shaft Inputs (90˚) For Translating Screw Models (U, UK) use actual travel in mm. For additional input shafts, contact Nook Engineering. For Rotating Screw Models (UR) use "L" dimension in mm. OIL PLUG 9

INPUT ROTATION MODEL X U = Input(s) CW, Extends Lifting Shaft MODIFIER LIST X Z = Input(s) CCW, Extends Lifting Shaft G1 50 B = Optional Bellows Boots (Must calculate retracted and extended boot length.) G2 90 PORT LOCATION C-F See page 13. S or M Required G3 180 S = Standard, no additional description required M = Modified, additional description required

12 NOOK BEVEL GEAR JACKS nookindustries.com

For multiple jack arrangements, total kilowatts required depends on If the application duty cycle exceeds the allowable duty cycle as SSE-1 / 000-2 horsepower per jack, number of jacks, the efficiency of the gear illustrated on pages 8 and 9 for the jack selected, several solutions Input Rotation U box(es) and the efficiency of the arrangement. are possible. SSE-1 / SSE-2 Arrangement efficiency – • Use a larger jack model to increase the maximum allowable Input Rotation Z horsepower. • Two jacks = 95% • Use a Ball Screw Jack to reduce the power required to do • Three jacks = 90% Miter Gear Box the same work. • Four jacks = 85% Type D • Operate at a lower input speed. • Six to eight jacks = 80% • Use a right angle reducer to bring the power requirement The efficiency of each miter gearbox is 90%. Therefore, motor within acceptable limits. kilowatts requirement for the arrangement: T ARRANGEMENT SSE-1 / 000-2 Input Rotation U When utilizing multiple jack arrangements, the input torque to the kW Number Kilowatts × per jack of jacks first jack must be considered. It is recommended that the number Arrangement = of jacks driven through a single jack input be limited to a maximum SSE-1 / 000-2 Arrangement N Gearbox Input Rotation U Miter Gear Box Eﬃciency × ( Eﬃciency) of three jacks. Consult Nook Application Engineers for arrangements Type D where more than three jacks will be driven through a single jack input. where N = Number of gearboxes. INPUT ROTATION The input shafts can either rotate CW or CCW with respect to extending the lift shaft. Care must be taken when using multiple jack arrangements. Bevel Jacks with two input shafts will rotate in Miter Gear Box SSE-1 / 000-2 Input Rotation Z opposing direction with respect to their common axis. Type D

U ARRANGEMENT SSE-1 / 000-2 Input Rotation U

SSE-1 / SSE-2 Input Rotation U

SSE-1 / SSX-2 SSE-1 / 000-2 Input Rotation Z Input Rotation Z H ARRANGEMENT

SSE-1 / SSX-2 Input Rotation U SSE-1 / 000-2 Input Rotation U

Miter Gear Box Type D

SSE-1 / 000-2 Input Rotation U Miter Gear Box Type D SSE-1 / 000-2 Input Rotation Z

Miter Gear Box Type D

SSE-1 / 000-2 Input Rotation Z

14 NOOK BEVEL GEAR JACKS nookindustries.com

G1-BSJ TOP VIEW (2:1 GEAR RATIO) G1-BSJ-U G1-BSJ-UR G1-BSJ-UK UPRIGHT UPRIGHT ROTATING KEYED For ordering, specify “L” dimension Counter- 24 clockwise L(min) = Travel + 249 M20 rotation 20 raises load 10 90 35 2 22 25 50 23 39 18 90 Ball nut position A 6 25 Specify position B 60 for opposite 90 M10 72 140 M8 87 122 L 75 G1-BSJ TOP VIEW (3:1 GEAR RATIO)

Travel + 35 42 Sq

12 5 42

Backdrive Capacity Raise for One Turn of Max Input Torque holding torque Torque to raise 1 kN Tare Drag Torque Dynamic Load MODEL Gear Ratio (kN) Worm (mm) (N·m) (N·m) (N·m) (N·m) Ca (kN) G1-BSJ 2:1 15 2.5 50 2.68 0.53 1.80 2.30

3:1 15 1. 6 50 1. 16 0.34 1.70 2.30

MALE CLEVIS TOP PLATE G1-BSJ BALL NUT AND FLANGE 35h10 67 M20 45 Ø90 Ø46 25 78 38 Ø16 h8 46 Screw Specs: 10 Screw Dia: 25 mm 14 Ø11 4 Holes 23 Ø45 Lead: 5 mm 50 M20 62 7 Start torque = 1.5 × Running Torque 1 2 3 4 Approximate weight (kg) FEMALE CLEVIS ROD-EYE CLEVIS “0” Travel: 7.7 TRUNIONA PLATE Per inch travel: 0.32 10 20 10 25 Grease: 0.22 90 Ø20 56 50 24.3 18 17 10,6 11

B 20 15°

25 40 105 102 80

28 77 Caution: Jack is self-lowering. Lifting screw must be secured to prevent rotation for non-keyed units. 33 30 C M8 34 M20×1.5 49.1 M20 Ø34

94 130

D 16 NOOK BEVEL GEAR JACKS nookindustries.com

-0,3 +0,5 -0,5 +0,3

1:3

1 1 BEVEL GEAR JACKS G2 BSJ

G2-BSJ TOP VIEW G2-BSJ-U G2-BSJ-UR G2-BSJ-UK UPRIGHT UPRIGHT ROTATING INVERTED KEYED For ordering, specify “L” dimension L(min) = Travel + 331 25 Counter- 40 clockwise M30 30 rotation 13 140 raises load 113 29 50 2 65 32 60 32 113 140 Ball nut position A M10 10 45 Specify position B for opposite M12 130 190 110 Sq. L 180

Travel + 45 65 Sq

5 65

Capacity Raise for One Turn of Max Input Torque Backdrive Torque to raise 1 kN Tare Drag Torque Dynamic Load MODEL Gear Ratio (kN) Worm (mm) (N·m) holding torque (N·m) (N·m) (N·m) Ca (kN) G2-BSJ 2:1 50 2.5 175 9.64 0.53 2.30 23.8

3:1 50 1. 6 175 5.44 0.34 2.20 23.8

Screw Specs: G2-BSJ BALL NUT AND FLANGE MALE CLEVIS TOP PLATE Screw Dia: 40 mm 35 h10 Lead: 5 mm 85 M30 Start torque = 1.5 × Running Torque Approximate weight (kg) 60 Ø 110 Ø60 30 100 “0” Travel: 15.9 Ø20 h8 53 Per 100mm travel: 0.81 59 15 30 Grease: 0.45 16 Ø13 - 4 Holes Ø60 80 68 M30 7 1 2 3 4 MALE CLEVIS ROD-EYE CLEVIS A Caution: Jack is self-lowering. Lifting screw must be secured to prevent rotation for non-keyed units. TRUNION PLATE 37 15 30 15 140 70 25 95 34.8

20 12,6 Ø30 13,5

B 30 15°

35 60 145 160 120 110 38 51 43 C 50 M30×2 M8 41 M30 Ø52

144 200

D 18 NOOK BEVEL GEAR JACKS nookindustries.com

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1 1 BEVEL GEAR JACKS G2HL BSJ

G2-BSJ & G2HL-BSJ TOP VIEW G2-BSJ-U & G2HL-BSJ-U G2-BSJ-UR & G2HL-BSJ-UR G2-BSJ-IK & G2L-BSJ-IK UPRIGHT UPRIGHT OR INVERTED ROTATING INVERTED KEYED For ordering, specify “L” dimension L(min) = Travel + 331 25 40 30 M30

Counter- 29 clockwise 80 13 140 rotation 15 60 113 raises load Ø78 Ball nut position A 50 2 47 Specify position B M10 for opposite 32 113 140

10 45 L 190 110 Sq.

M12 130 180

Travel + 45 63 Sq

5 63

Capacity Raise for One Turn of Max Input Torque Backdrive Torque to raise 1 kN Tare Drag Torque Dynamic Load MODEL Gear Ratio (kN) Worm (mm) (N·m) holding torque (N·m) (N·m) (N·m) Ca (kN)

G2HL-BSJ 2:1 50 5 175 21.57 1.06 2.30 33.4

3:1 50 3.33 175 13.70 0.71 2.20 33.4

Screw Specs: G2-BSJ-UR & G2HL-BSJ-UR BALL NUT AND MALE CLEVIS TOP PLATE Screw Dia: 32 mm FLANGE 35 h10 Lead: 10 mm 85 Start torque = 1.5 × Running Torque M30 Approximate weight (kg) 53 60 Ø 110 59 Ø60 “0” Travel: 15.9 30 100 16 Ø20 h8 Per 100mm travel: 0.81 15 80 68 Grease: 0.45 30 7 Ø13 - 4 Holes Ø60 M30

1 2 3 4

A ROD-EYE CLEVIS TRUNION PLATE FEMALE CLEVIS Caution: Jack is self-lowering. Lifting screw must be secured to prevent rotation for non-keyed units. 37 140 15 30 15 95 70 34.8 25

20 12,6 Ø30 13,5

B 30 15°

35 60 145 160 120 110 38 51 43 C 50 M30×2 M8 41 M30 Ø52

144 200

D 20 NOOK BEVEL GEAR JACKS nookindustries.com

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1 1 BEVEL GEAR JACKS G3 BSJ

G3-BSJ TOP VIEW (2:1 GEAR RATIO)

Counter- clockwise rotation raises load 17.5 230 G3-BSJ-U G3-BSJ-UR G3-BSJ-UK 90 2 UPRIGHT UPRIGHT ROTATING KEYED For ordering, specify “L” dimension 60 55 230 L(min) = Travel + 514 M48 16 80 48 45 95 150 55 Ø225 h7 M20 100 40 90 215 305 M16 Ball nut position A

295 Specify position B for opposite G3-BSJ TOP VIEW (3:1 GEAR RATIO) 180

310 80 230 L

Travel + 60 90 40 5 90 12 63

120

3:1 90 3.33 1600 31.47 0.71 4.3 76.0

MALE CLEVIS TOP PLATE

60 h10 130 M48×2

G3-BSJ BALL NUT AND FLANGE 90 Ø170 Ø90 45 120 Ø20 h8 Screw Specs: 25 Screw Dia: 63 mm Ø21 - 4 Holes 50 Lead: 10 mm Ø90 M48 × 2 Start torque = 1.5 × Running Torque 85 99 Approximate weight (kg) 20 FEMALE CLEVIS ROD-EYE CLEVIS “0” Travel: 36.3 125 105 Per 100mm travel: 2.12 11 122 Grease: 1 60 1 2 3 4 115 23 50 23 96 116 55.9 45 TRUNIONA PLATE Caution: Jack is self-lowering. Lifting screw must be secured to prevent rotation for non-keyed units. 50 28° 230 Ø50 218 130

33 20,6 160 22 65

50 96 78 M48×2 265 65

56 192

C 73

M 48×2 Ø82 234 324

D 22 NOOK BEVEL GEAR JACKS nookindustries.com

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1 1 BEVEL GEAR JACKS G1- M S J

G1-MSJ-U G1-MSJ-UR G1-MSJ-UK G1-MSJ TOP VIEW (2:1 GEAR RATIO) UPRIGHT UPRIGHT ROTATING KEYED Counter- For ordering, specify “L” dimension clockwise rotation 24 L(min) = travel + 249 10 90 raises load M18 15 35 2 20 22 50 90 18 23 39 Travel nut position A 6 25 Specify position B 60 for opposite 90 M10 72 87 140 M8 122 L G1-MSJ TOP VIEW (3:1 GEAR RATIO) 75

Travel + 35 42 Sq 12 5 42

Capacity Raise for One Turn of Max Input Torque Backdrive Torque to raise 1 kN Tare Drag Torque MODEL Gear Ratio (kN) Worm (mm) (N·m) holding torque (N·m) (N·m) (N·m) G1-MSJ 2:1 20.6 2.5 50 1.06 0.88 1.80

3:1 20.6 1. 6 50 0.13 0.57 1.70

MALE CLEVIS TOP PLATE G1-MSJ TRAVEL NUT AND FLANGE

35h10 67 M20

32 Ø90 Ø46 44 45 25 78 Screw Specs: 12 Ø16 h8 Screw Dia: 24 mm 45 10 55 7 Ø11 4 Holes 23 Lead: 5 mm Ø45 Start torque = 1.5 × Running Torque 1 2 3 4 M20 Approximate weight (kg) “0” Travel: 7.7 TRUNIONA PLATE FEMALE CLEVIS ROD-EYE CLEVIS Per inch travel: 0.32 10 20 10 25 90 Ø20 Grease: 0.22 56 50 24.3 18

17 10,6 11

B 20 15° 40 25 105 102 80 77

28 33 30 34 C M8 M20×1.5 49.1 M20 Ø34

94 130

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1 1 BEVEL GEAR JACKS G2 MSJ

G2-MSJ TOP VIEW G2-MSJ-U G2-MSJ-UR G2-MSJ-UK UPRIGHT UPRIGHT ROTATING INVERTED KEYED For ordering, specify “L” dimension Counter- L(min) = travel + 331 25 clockwise rotation 40 30 Counter- raises load M20 clockwise Counter- rotation clockwise 29 raises load rotation 13 140 65 113 raises load 32 60 50 2 Travel nut position A Specify position B M10 for opposite 32 113 140

10 45 190 110 Sq. L

M12 130 180

Travel + 45

5 65 65 Sq

Capacity Raise for One Turn of Max Input Torque Backdrive Torque to raise 1 kN Tare Drag Torque MODEL Gear Ratio (kN) Worm (mm) (N·m) holding torque (N·m) (N·m) (N·m) G2-MSJ 2:1 44.5 3.5 175 6.61 1.39 2.30

3:1 44.5 2.3 175 3.73 0.93 2.20

Screw Specs: G2-MSJ TRAVEL NUT AND FLANGE MALE CLEVIS TOP PLATE Screw Dia: 40 mm Lead: 7 mm 35 h10 85 Start torque = 1.5 × Running Torque M30 Approximate weight (kg) 63 73 60 Ø 110 Ø60 “0” Travel: 15.9 30 100 Per 100mm travel: 0.81 16 Ø20 h8 95 Grease: 0.45 75 15 9 30 Ø13 - 4 Holes Ø60 M30 1 2 3 4

A ROD-EYE CLEVIS TRUNION PLATE MALE CLEVIS 37 140 15 30 15 95 70 34.8 25 20 12,6 Ø30 13,5

B 30 15°

35 60 145 160 110

38 120 51 43 C 50 M30×2 M8 41 M30 Ø52

144 200

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1 1 BEVEL GEAR JACKS G3 MSJ

G3-MSJ TOP VIEW (2:1 GEAR RATIO) Counter- clockwise rotation raises load 17.5 230 90 2 G3-MSJ-U G3-MSJ-UR G3-BSJ-UK UPRIGHT UPRIGHT ROTATING KEYED For ordering, specify “L” dimension 230 55 60 L(min) = travel + 514 45 16 80 M48 55

150 48 Ø225 h7 M20 100 95 215 40 90 Travel nut position A 305 Specify position B M16 for opposite G3-MSJ TOP VIEW (3:1 GEAR RATIO) 295

180 L 310 80 230

40 Travel + 60 90 12 63 5 90 120

Capacity Raise for One Turn of Max Input Torque Backdrive Torque to raise 1 kN Tare Drag Torque MODEL Gear Ratio (kN) Worm (mm) (N·m) holding torque (N·m) (N·m) (N·m) G3-MSJ 2:1 117 4.5 1600 13.65 2.05 4.40

3:1 117 3 1600 7.73 1.36 4.30

MALE CLEVIS TOP PLATE G3-MSJ TRAVEL NUT AND FLANGE

60 h10 130 M48×2

90 Ø170 Ø90 85 45 99 120 Ø20 h8 Screw Specs: 20 25 125 105 50 Screw Dia: 63 mm 11 Ø21 - 4 Holes Lead: 10 mm Ø90 M48 × 2 Start torque = 1.5 × Running Torque Approximate weight (kg) “0” Travel: 36.3 1 2 3 4 Per 100mm travel: 2.12 FEMALE CLEVIS ROD-EYE CLEVIS Grease: 1 TRUNIONA PLATE 122 230 115 60 130 33 20,6 116 45 22 23 50 23 96 55.9

B 50 28° 50 Ø50 218

56 160 65

C 96 78 M48×2 265 65 192 234 324 73 D 28 NOOK BEVEL GEAR JACKS nookindustries.com M 48×2 Ø82 The specifications and data in this publication are believed to be accurate and reliable. However, it is the responsibility of the product user to determine the suitability of Nook Industries products for a specific application. While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement. 29 Baugröße: L1 L2 L5 L6 D f8 D1 D2 D3 D4 E 25 56 28 11 144 35 38 324 234 56 22 33

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1 1 BEVEL GEAR JACKS

UNIT CONVERSION LUBRICANTS

ENGLISH TO METRIC METRIC TO ENGLISH LUBRICATION ActionJac™ Bevel Gear Screw Jacks require lubrication to operate be applied with a cloth or spray. Operating a Ball Screw Jack lift Length Torque Length Torque efficiently and with maximum life. shaft without lubrication will result in a ninety percent reduction in life. 1 ft = 304.8 mm 1 lb-ft = .001356 kN·m 1 mm = .00328 ft 1 kN·m = 737.3 lb-ft Lubricants containing additives such as molydisulfide or graphite 1 ft = .3048 m 1 lb-ft = 1.356 N·m 1 m = 3.28 ft 1 N·m = .737 lb-ft should not be used. Lubrication intervals for the lift shaft of Machine Screw models are determined by the application. Proper lubrication with E-100 spray Bevel gear screw jack housings use a synthetic oil ISO VG 220 or 1 ft = .0003048 km 1 lb-ft = 135.6 N-cm 1 km = 3821 ft 1 N-cm = .00737 lb-ft lube or PAG-1 grease must be provided to achieve satisfactory equivalent. 1 in = 25400 m 1 lb-ft = 1356 N·mm 1 m = .0000394 in 1 N·mm = .000737 lb-ft service life. It is required that screw assemblies are lubricated Ball Screw models need only a light film of lubricant on the lift often enough to maintain a film of lubricant on the screw. 1 in = 25.4 mm 1 lb-ft = .1383 kgf-m 1 mm = .03937 in 1 kgf-m = 7.23 lb-ft shaft for most applications. Nook E-900 Ball Screw Lubricant may 1 in = .0254 m 1 lb-in = .000113 k-m 1 m = 39.37 in 1 kN·m = 8847.2 lb-in 1 in = .0000254 km 1 lb-in = .113 N·m 1 km = 39370 in 1N·m = 8.847 in-ft MACHINE SCREW JACK LIFT SHAFT LUBRICANT 1 lb-in = .01152 kgf-m 1 kgf-m = 86.8 lb-in LIFT SHAFT NLGI GRADE GELLING TEMP. NET CONTENTS NET LUBRICANT USAGE NUMBER AGENT RANGE PER UNIT PART NO. WEIGHT

Acme Screws 15°F to 1 NLU-1001 16 oz PAG-1 Grease 2 Calcium Weight/Force Rail Weight Weight/Force Rail Weight and Nuts 400°F Case of 12 NLU-2001 —

1 lb = .454 kg 1 lb/in = 17.9 kg/m 1 kg = 2.205 lb 1 kg/m = .056 lb/in Acme Screws 15°F to 1 NLU-1002 12 oz E-100 Spray 2 Calcium 1 lb = .454 kgf 1 lb/ft = 1.49 kg/m 1 kgf = 2.205 lb 1 kg/m = .672 lb/ft and Nuts 400°F Case of 12 NLU-2002 — 1 lb = 4.45 N 1 N = .225 lb 1 lb = .00445 kN 1 kN = 224.8 lb BALL SCREW JACK LIFT SHAFT LUBRICANT

Speed Speed LIFT SHAFT NLGI GRADE GELLING TEMP. NET CONTENTS NET LUBRICANT USAGE NUMBER AGENT RANGE PER UNIT PART NO. WEIGHT 1 ft/sec = .3048 m/sec 1 m/sec = 3.28 ft/sec Ball Screws -65ºF to 1 NLU-1003 12 oz E-900 Spray N/A N/A 1 in/sec = .0254 m/sec 1 m/sec = 39.37 in/sec and Nuts 350ºF Case of 12 NLU-2003 —

Ball Screws -65ºF to 1 NLU-1004 32 oz E-900L Oil N/A N/A and Nuts 350ºF Case of 12 NLU-2004 —

30 NOOK BEVEL GEAR JACKS nookindustries.com