The offered jacks are available with us in various sizes, shapes, designs and other related specifications.Ī.Adjustable: the length could be from 100-1000MMī.One-stop: there are all related parts in our factoryĬ.Safe: with various size, our jack base could load from 8-23tons and even moreĭ.Widely application in propping system such as construction, plantsĮ. A team of our skilled professionals, with a wide experience manufacture the offered jacks using high grade raw material and modish technology. Owing to features like durability and easy installation, the offered range is extensively demanded in various industries. It is a device that can be used to level the structure of the scaffolding on uneven ground, act as a support for scaffold planking, or move a scaffold up or down.īased on the skills of our adroit professionals and creative workers, we bring forth an extensive range of Base Jack. The scaffolding jack base is used at the bottom of the scaffold to provide stability by adjusting the height of the scaffold. Pitch: The distance from a point on a screw thread to a corresponding point on the next thread, measured axially.Q235 Hollow Jack Base Screw Scaffolding Jack Base Adjustable Scaffolding Lead: The distance traveled axially in one rotation of the lifting screw. Screw Torque: Torque required to resist screw rotation (Translating Design Jacks) and traveling nut rotation (Keyed for Traveling Nut Design Jacks). NOTE: If your actual input RPM is 20% higher or lower than the listed RPM, please refer to our JAX program to determine actual torque values at your RPM. Operating Torque: Torque required to continuously raise a given load at the input RPM listed. Starting Torque: Torque value required to start moving a given load (dissipates to operating torque values once the load begins moving). (This value must be added to starting torque or operating torque values.) We believe strongly in understanding the needs of the trade professional and our business is developed specifically to meet those demands - massive stocks. Screw Jacks are mechanical transmission devices used to convert rotational motion into linear motion for wide range of industrial applications. Tare Torque: Initial torque to overcome seal and normal assembly drag. Brake motors or external locking systems are recommended. founded in 2002, which is a group company of World Plaza Engineering Limited (Hongkong). Material: Seamless pipes, Q235 welded pipes, round bar, etc. Adjustable Solid Galvanized Screw Base Jack and U head jack Gainford Equipment ( Dongguan ) Ltd. Surface Treatment: Hot Dipped Galvanized, Electro-galvanized, painted, etc. Important Note: Series DWJ double lead screw jacks are not self-locking. EN74 Standard Adjustable Solid Screw Base Jack. The other end has a traditional RJ45 plug that connects to Ethernet equipment, such as computers, IO modules, and programmable. To send high-speed data in tough, rugged environments, these cords have an M12 connector on one end that threads onto switches, sensors, and other devices prone to vibration. If the motor frequency will be varied to provide a "soft" start an inverter duty motor may be required. Ethernet Cords with M12 and RJ45 Connectors.Brake motors (M2) are recommended for jacks that are not self-locking, and jacks with double lead screws.Refer to the "Additional Options" chart on the preceding page as needed.Specify the appropriate motor size from the chart on the right. *Optional IP65 rating available Encoders and Electronic Liit SwitchesĮLS6=6 Position Electronic Switch Motor for Systems and Direct Drives Note: Contact Joyce/Dayton for availability and options. When boots are added to machine screw jacks, the closed height of the jack may be increased. Machine screw jack: The worm wheel acts directly on the lead screw. In both cases, the rotation of the worm screw acting on the lead screw via the worm wheel converts rotation in to linear motion. When specified, the closed height of the jack and/or the protection tube length may be increased. A screw jack may incorporate a machine cut lead screw or a rolled or ground ball screw in order to transfer rotational energy in to linear energy. Other Special sizes can be made to order. It is used as a levelling solution for all types of scaffolding system such as Ringlock Scaffolding, Cuplock Scaffolding and Kwikstage Scaffolding. 4.Packing: put inside frames to save space, or on steel pallet. 2.It is used to fit together with heavy duty shoring frame scaffold. Designed to fit inside a Standard / Vertical pole to support the load from a standard is 150mm square x 8.0mm thick base plate. The Base Jack is a heavy-duty adjustable base jack that is manufactured from high tensile steel and fitted with a Double Podger collar. Scaffold screw jack 1.Scaffold screw jack without base plate, 36 long, is made of 48×4.5mm seamless tube, assembled with big casting handle. Screw stops are optional on machine screw jacks. ructure, the adjustable solid base jack has a 34mm diameter x 650mm long threaded bar with Cast nut it has an adjustment capability of 500mm. Optional Shaft Codes Screw Stops and Boots
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