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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

options • change the jack configuration to put the lift shaft in tension • increase size of jack • add a bearing mount ... like the ezze-mount™ for rotating jacks • change the lift shaft mounting condition e.g from clevis to top plate caution chart does not ... considered when determining maximum required travel rate if the lift shaft is in tension only the screw jack travel is limited by the available screw

ActionJac™ Worm Gear Jack systems 2016

the jack input shaft and the linkjacâ„¢ line shaft or tubular shafting inside the coupling n torsional twist in degrees torsional twist how much ... torque will the shafts be transmitting n critical speed in revolutions per minute l length of shaft in ... varied to accommodate these requirements are l length of unsupported shaft in inches ct value list from table below cs value list from table below t

ActionJac™ Worm Gear Jack systems 2016

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 ... contact nook engineering if there is any possibility for the lift shaft to go into compression the application should be sized for sufficient column ... number system ball screw jacks inch ball screw jacks if the lift ... speed limitations contact nook engineering if there is any possibility for

ActionJac™ Worm Gear Jack systems 2016

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 ... critical speed limitations if there is any possibility for the lift shaft to go into compression the application should be sized for sufficient column ... stainless steel machine screw jacks column strength ... reference number system stainless steel jacks stainless steel jacks

ActionJac™ Worm Gear Jack systems 2016

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 ... critical speed limitations if there is any possibility for the lift shaft to go into compression the application should be sized for sufficient column ... column strength to use this chart find a point at which the maximum ... length “l” intersects the maximum load be sure the jack

ActionJac™ Worm Gear Jack systems 2016

is a significant distance apart resonance frequency can cause the lift shaft or link shaft to oscillate and whip shortening the life of the lift shaft or ... support bearings you can increase the effective speed of the lift shaft or link shafting there are two styles of radial support bearings flange mount and base ... provide radial support for the lift shaft on rotating style screw jacks as well as the

ActionJac™ Worm Gear Jack systems 2016

motors jacks may be used in multiple arrangements by connecting shafting couplings and gear boxes to simultaneously transmit power to the input shafts ... stepper/servo motor adaptors manufactured by nook industries custom motor adaptors are designed to ... accommodate any specified coupling and motor servo or stepper jacks can be ... delivered as a complete assembly including a vendor-specified motor contact nook industries

ActionJac™ Worm Gear Jack systems 2016

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 ... critical speed limitations if there is any possibility for the lift shaft to go into compression the application should be sized for sufficient column ... cubic jacks column strength cubic inch machine and ball screw jacks cubic

ActionJac™ Worm Gear Jack systems 2016

by the physical constraints of its components drive sleeve lift shaft bearings etc all anticipated loads should be within the rated capacity of the ... should be considered system stiffness center of gravity drive shaft windup and lead variation in the lift shafts may result in unequal load ... drag torque the gear box components bearings seals and grease in a jack add ... show the tare drag torque when loading actionjacâ„¢ worm gear screw

ActionJac™ Worm Gear Jack systems 2016

sensor to adjust the position sensors simply position the lift shaft in the correct position loosen the locking screw and then slide the ... multiple sensors to the same slot a travel movable sensor magnet lift shaft b locking screw movable sensor jack accessories max operating speed when using ... meet the need for low cost position sensing on worm-gear screw jacks it is ... the patented design allows users to install and adjust sensors on a single

ActionJac™ Worm Gear Jack systems 2016

metric trapezoidal screw jacks metric trapezoidal machine screw jacks actionjacâ„¢ metric trapezoidal screw jacks utilize ... the same rugged design as the actionjacâ„¢ machine screw jacks these true metric jacks include a lift shaft with a ... trapezoidal thread form this thread form has been created to stay within iso standards yet retains the centralizing feature of our 2c acme

ActionJac™ Worm Gear Jack systems 2016

machine screw jacks mj-xx top view 21 4 typ 3 4 mj-xx-u upright 11 8 ... 1 × 3 8 16 4 keyway typ 9 Ø32 2 holes 3 28 mj-xx-ur upright rotating mj-xx-ir inverted rotating for ordering specify “l” ... dimension lmin = trav el + 3 21 32 for ordering specify “l” dimension lmin travel 1 21 32 .313 Ø .

ActionJac™ Worm Gear Jack systems 2016

in-line encoder counters in-line encoder is installed between the motor adapter and motor for precise position sensing at ... the input shaft an actionjacâ„¢ inline encoder option may be factory installed between the motor and motor ... adapter or right-angle reducer this lowcost option requires minimal space leaving the extension shaft side of the jack free for clearance

ActionJac™ Worm Gear Jack systems 2016

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 ... critical speed limitations if there is any possibility for the lift shaft to go into compression the application should be sized for sufficient column ... code travel 10bt 1 l ccw position 1 3 5 7 cw position 2 4 6 8 ccw shaft l for translating screw models u and i use actual travel in inches for rotating screw

ActionJac™ Worm Gear Jack systems 2016

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 ... critical speed limitations if there is any possibility for the lift shaft to go into compression the application should be sized for sufficient column ... strength is the ability of the lift shaft to hold compressive loads without

ActionJac™ Worm Gear Jack systems 2016

of the jack is a precision-machined surface the worm shaft and lift shaft bearing bores are machined in tight relationship to the mounting flange ... jacks from closest to farthest point for rotating jacks with a lift shaft bearing support loosen the bearing support fasteners and re-tighten to ensure ... installation maintenance installation alignment of the jack or jacks

ActionJac™ Worm Gear Jack systems 2016

condition it is not possible to have a support bearing on the lift shaft using mounting condition a on the column strength chart located on page 68 ... 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 this would require using the 6:1 gear ratio when ... using a 1750 rpm ac motor during retraction and 720 rpm during extension using

ActionJac™ Worm Gear Jack systems 2016

information double clevis machine screw jack keyed jacks the lift shaft of a translating style jack must be attached to something which prevents the lift ... shaft from rotating if it is not the lift shaft and the load will turn and not translate ... move a load through an arc such as tracking antennas hinged doors or air ... dampers machine screw and ball screw jacks from 1

ActionJac™ Worm Gear Jack systems 2016

worm gear screw jacks application examples in-line arrangement column strength the jacks will be loaded in 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 the longest center to center distance between the jack and gearbox is ... 24 inches leaving a shaft length of 17 inches using the formula on page 193 based on torsional twist the proper line

ActionJac™ Worm Gear Jack systems 2016

with a grease fitting and pipe plug lubrication intervals for the lift shaft of machine screw models are determined by the application proper lubrication ... jack accessories lubricants paint lubrication actionjac™ worm gear screw ... efficiently and with maximum life lubricants containing additives such as molydisulfide or graphite ... for both high and low temperature application if operating conditions exceed 200°f or -20°f contact