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ActionJac™ Worm Gear Jack systems 2016

WORM GEAR SCREW JACK ActionJac™ Worm Gear Jack systems are ruggedly designed and produced in Standard models with load handling capacities from ¼ ton to 100 tons.

ActionJac™ Worm Gear Jack systems 2016

total horsepower required depends on horsepower per jack number of jacks the efficiency of the gear boxes and the efficiency of the ... for the arrangement horsepower arrangement hp per jack × number of jacks arrangement efficiency × gearbox efficiency n where n ... to the first jack must be considered it is recommended that the number of jacks driven through a single jack input be limited to a maximum of three

ActionJac™ Worm Gear Jack systems 2016

introduction worm gear screw jacks jack models actionjac™ worm gear screw jack systems are ruggedly ... are no “standard” travel lengths and each worm gear screw jack is built to specification the jack housings are made of ductile iron ... and proportioned to support the rated capacity of the unit mj 1⁄4 ton and 1⁄2 ton models have aluminum

ActionJac™ Worm Gear Jack systems 2016

the lifting screw thread to be controlled by adjusting the top cover of the jack the anti-backlash jack design has an upper drive sleeve and a lower ... the input torque is the rotary force required at the input of the jack to generate an output force at the lift shaft the product ... is the required input torque travel vs input revolutions the number of turns of the worm required to move one inch is a function of the worm gear

ActionJac™ Worm Gear Jack systems 2016

information must be collected load capacity the load capacity of the jack is limited by the physical constraints of its components drive sleeve ... etc all anticipated loads should be within the rated capacity of the jack loads on the jack in most applications include static loads dynamic ... loads for shock loads the peak load must not exceed the rated capacity of the jack and an appropriate design factor should be applied that is

ActionJac™ Worm Gear Jack systems 2016

column strength reference number system ball screw jacks inch ball screw jacks if the lift shaft is in tension only the screw ... jack travel is limited by the available screw material or by the critical ... speed of the screw for critical speed limitations contact nook engineering if ... column strength the chart below is used to determine the required jack size in applications where the lift shaft is loaded in compression to

ActionJac™ Worm Gear Jack systems 2016

column strength machine screw jacks reference number system machine screw jacks machine screw jacks to ... maximum length “l” intersects the maximum load be sure the jack selected is above and to the right of that point if the lift shaft is ... in tension only the screw jack travel is limited by the available screw material or by the critical ... speed of the screw refer to the acme screw technical section for critical

ActionJac™ Worm Gear Jack systems 2016

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 ... length of the lifting screw a matching key is fastened to the cover of the jack which will eliminate lift shaft rotation the keyway in the screw ... double clevis jacks double clevis jacks are used when it is necessary to ... machine screw and ball screw jacks from 1 ton to 15 ton capacities

ActionJac™ Worm Gear Jack systems 2016

compression and in mounting condition d based on the load and number of jacks the 2.5-msj jack or larger could be used linkjacâ„¢line shafting ... worm gear screw jacks application examples in-line arrangement column ... strength the jacks will be loaded in compression and in mounting ... d based on the load and number the 2.5-msj jack or larger could be used linkjacâ„¢line

ActionJac™ Worm Gear Jack systems 2016

stainless steel machine screw jacks column strength reference number system stainless steel jacks ... stainless steel jacks if the lift shaft is in tension only the screw jack travel is limited by the available screw material or by the critical ... speed of the screw refer to the acme screw technical section for critical ... column strength the chart below is used to determine the required jack size in applications where the lift shaft is loaded in compression

ActionJac™ Worm Gear Jack systems 2016

metric trapezoidal screw jacks column strength reference number system metric trapezoidal screw ... jacks metric trapezoidal screw jacks column strength is the ability of the lift shaft to hold compressive loads without buckling with longer ... screw lengths column strength may be substantially lower than nominal jack capacity find a point at which the maximum length “l”

ActionJac™ Worm Gear Jack systems 2016

quick reference model 0.5c-bsj 0.5chl-bsj 1c-bsj 1chl-bsj metric cubic jacks screw lead in turns of max input root dia worm for torque in 1” ... are not exceeded 2 input torque is shown as torque to lift one pound of load starting torque is 100 greater than torque shown for machine ... screw jacks and 50 greater than torque shown for ball screw jacks tare drag torque should be added for all loads 3 maximum allowable

ActionJac™ Worm Gear Jack systems 2016

column strength cubic jacks column strength cubic inch machine and ball screw jacks cubic metric ... machine and ball screw jacks if the lift shaft is in tension only the screw jack travel is limited ... by the available screw material or by the critical speed of the screw refer to the ball screw technical section for critical ... column strength the chart below is used to determine the required jack size in applications where the lift shaft is loaded in compression to

ActionJac™ Worm Gear Jack systems 2016

be fully loaded in both the retracted and extended position because of the retrofit condition it is not possible to have a support bearing on the lift ... worm gear screw jacks application examples u arrangement speed ... and horsepower the extension travel rate of 1” in 2 seconds is 30”/min the ... retraction travel rate of 6” in 6 seconds equates to 60”/min

ActionJac™ Worm Gear Jack systems 2016

column strength reference number system metric ball screw jacks metric ball screw jacks if the lift shaft is in tension only the ... screw jack travel is limited by the available screw material or by the critical ... speed of the screw refer to the ball screw technical section for critical ... maximum length “l” intersects the maximum load be sure the jack selected is above and to the right of that point caution chart does

ActionJac™ Worm Gear Jack systems 2016

machine screw jacks machine screw jacks acme screw technical information straightness poweracâ„¢ acme ... the relative axial movement between a screw and nut without rotation of the screw or nut the axial movement between a new poweracâ„¢ acme ... that tends to rotate the nut radially around the longitudinal axis of the screw see fig 2 fig 1 side load a load that is applied radially

ActionJac™ Worm Gear Jack systems 2016

jack accessories lubricants paint lubrication actionjacâ„¢ worm gear ... screw jacks require lubrication to operate efficiently and with maximum life ... for alternative lubricants ball screw models need only a light film of lubricant on the lift shaft for most applications nook e-900 ball ... lubricant may be applied with a cloth or spray operating a ball screw jack lift shaft without lubrication will result in a ninety percent

ActionJac™ Worm Gear Jack systems 2016

ball screw jacks ball screw jacks nook ball screw jacks are fitted with nook’s own powertrac™ ball screws and ... 004 in/ft 0.375” 6.000” screw lengths to up to 24 life a jack assembly uses rolling elements to carry a load similar to an anti- ... is predictable and is determined by calculating the fatigue failure of the components proper lubrication regular maintenance and operation

ActionJac™ Worm Gear Jack systems 2016

aluminum casted housing the reducer mounts directly to the input side of the jack motors mount quill-style to a standard nema c-face the high ... − measured in in/min 1,725 rpm full nominal static capacity of jack is retained ⁄2 27.24 18.16 10:1 10hl-bsj-8:1 1 5:1 7.5:1 r10 ... worm gear reducer that reduces speed and increases torque to the input of the jack if motor clearance is an issue a right angle reducer may be added to

ActionJac™ Worm Gear Jack systems 2016

jack accessories handwheels actionjacâ„¢ worm gear screw jacks can be supplied with industrial quality brake motors include a spring ... released braking mechanism which will hold a load when the power is off in normal operation power is applied and removed to the motor ... and single phase motors are rated for 50 duty wash down and explosion proof motors are rated for continuous duty if it is desired to operate the

ActionJac™ Worm Gear Jack systems 2016

assemblies gear ratio 1:1 and 2:1 illustrated below are two examples of jacks with stepper/servo motor adaptors manufactured by nook industries ... and gear boxes to simultaneously transmit power to the input shafts of the jacks nook industries provides gearboxes for use with jacks make certain ... jack accessories servo/stepper motors ... coupling and motor servo or stepper jacks can be delivered as a complete