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Products/Services for manual screw jack
Lifting jacks are used for leveling or positioning heavy equipment, or for supporting structures. They use screw or cylinder-based actuators and are powered by hydraulic, mechanical, electric, or manual methods. Search by Specification | Learn More
Screws are fasteners that consist of a threaded shaft at one end and, typically, a head at the other. They are inserted into solid materials and secured via rotation. Search by Specification | Learn More
...is crucial. Lifts may be actuated by hand cranks, screw drives, foot pumping and ratcheting, pneumatic air cylinders and air motors, hydraulic cylinders and motors, or electrical motors. Lifts can be broken down into a number of specific types, based upon... Search by Specification | Learn More
Screw pumps are rotary, positive displacement pumps that have one or more screws to transfer fluids or materials along an axis. Search by Specification | Learn More
Ball screws, lead screws, and ACME screws are used to convert rotary motion or torque into thrust or linear motion. Search by Specification | Learn More
...walers. A trench cover is used to temporarily cover an open trench. A trench rail is a vertical support that is used with shores or jacks to keep plates spread apart. In this way, trench rails are used to maintain trench width. Trench walers serve... Search by Specification | Learn More
Shoulder screws are fasteners with an unthreaded shank. The unthreaded shank is long when compared to its threaded portion, which is located under the head. Shoulder screws can be used to attach one machine part to another, or as a plain bearing Search by Specification | Learn More
Captive screws are fasteners which remain attached to a panel or parent material, even after they are disengaged from the mating panel or part. They meld with the parent via cold forming, and then fuse with the panel or part into a single entity Search by Specification | Learn More
Pallet jacks are used to lift and transport pallets. Typically, they only lift a pallet high enough off the ground to allow the pallet to be transported. There are various drive and lift configurations options. Search by Specification | Learn More
Feed screws (feedscrews) are horizontally-oriented screws or augers placed in the bottom of a bin, silo, extruder, hopper, or molding machine to provide uniform flow. As the feed screw turns, process material is dispensed. Learn More
Conical and telescopic screw covers are used to protect ball, acme and lead screws from contaminants. Learn More
Material handling automation services provide single source automated equipment and systems solutions for the material handling process. Search by Specification | Learn More
Screw machine shops manufacture screws and other turned or threaded parts from barstock made of various materials. Search by Specification | Learn More
Timing screws are helical-screw devices used within automated equipment to advance product at a specific rate and interval of movement. Learn More
Ball screw repair services refurbish worn or damaged ball screws to their original condition. Learn More
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Machine Screw Jacks Joyce/Dayton Corp.
Computer-controlled hydraulics ENERPAC
Machine Screw ComDrive® Joyce/Dayton Corp.
Ball Screw ComDRIVE® Joyce/Dayton Corp.
Foot Operated Hydraulic Jacks Star Hydraulics, Inc.
Nuclear Waste Remote Handling System Joyce/Dayton Corp.
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Product News for manual screw jack
Self-leveling Screw Jack System
Self Leveling Programmable System, when used with a suitable assembly jig, assures close-tolerance repeatability despite subtle out-of-level changes caused by heavy workpiece loading/unloading, vibration, sound resonance‹even earthquake activity that disturbs a normal jig's tool-to-workpiece positioning.
Ideal wherever very tight tolerances are critical... (read more)
Worm Gear Screw Jacks
NOOK Industries ActionJac™ Screw Jacks are a worm gear driven mechanical actuator with load handling capacities from 1/4 ton to 100 ton and 5kN to 200kN. ActionJac Screw Jacks are available in ball screw and acme screw models with nine different configurations. (read more)
Ball Screw Jacks
Joyce Ball Screw Jacks feature a ball nut with integral ball bearings that recirculate along the surface of the ball screw. The significantly reduced friction between the ball nut and screw results in greater efficiency, with up to 2/3 less input torque required to move the load than a similarly rated machine screw jack. (read more)
Screw Jacks
Our Screw Jacks with their wide torque range and our extensive experience assembling complete packages ensures we can help you solve your difficult linear motion design challenges with our screw jacks solutions.
Screw Jacks are the ideal product to push, pull, lift, lower and position loads of anything from a couple of kilograms to hundreds of tonnes. (read more)
Metric Screw Jacks
Joyce Metric Machine Screw Jacks, series MWJ, are available in four common sizes 10, 25, 50, and 100kN. Joyce MWJ jacks include industry standard metric lifting screw diameters and pitches. All mounting hole locations, diameters, and fasteners are fully metric. (read more)
Machine Screw Jacks
Versatile Joyce Machine Screw Jacks lift and precisely position all kinds of loads from 250 lbs. to 250 tons. Upright or inverted, these precision jacks operate at full capacity whether the load is in tension or compression. WJ series single lead jacks are self locking under full lifting capacity, while DWJ double lead series jacks offer increased travel speed. (read more)
Worm Gear Screw Jacks by Joyce
Versatile Joyce Machine Screw Jacks lift and precisely position all kinds of loads from 250 lbs. to 250 tons. Upright or inverted, these precision jacks operate at full capacity whether the load is in tension or compression. WJ series single lead jacks are self locking under full lifting capacity, while DWJ double lead series jacks offer increased travel speed. Heat treated alloy steel worm sha... (read more)
Stainless Steel Jacks
Joyce/Dayton Stainless Steel Machine Screw Jack / Linear Actuators are specifically designed for positioning or lifting applications in corrosive or other potentially contaminated environments. All exposed surfaces and components feature 316 or 17-4 stainless steel construction and bronze bushings. Nitrile rubber seals protect all internal mechanisms. (read more)
Machine Screw ComDrive®
ComDRIVE is a self-contained actuator package that combines a machine screw jack, motor and gear reducer into a single compact unit. (read more)
Bevel Gear® Screw Jacks
Joyce Bevel Gear screw jacks offer higher efficiency and greater speed than other mechanical screw jacks. At the same time, Bevel Gear S Series jacks still provide the benefit of a self-locking screw-no special brake is required to prevent the jack from lowering under load. Spiral bevel gears increase strength for higher capacities. (read more)
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