China Standard MOTORIZED MACHINE JACK 500KG Self-locking Lifting Electric CZPT Screw Jack,12v dc screw motor jack,dc motor operating screw jack near me shop

FeaturesMOTORIZED MACHINE JACK 500KG Self-locking Lifting Electric CZPT Screw Jack,12v dc screw motor jack,dc motor operating screw jackMotorized screw jack can also be called Electric screw jack, which includes a worm gear screw jack and an electric motor. The Motorized Jacks have higher efficiency than manual screw jack. There are 2 types worm gear screw jack for motorized screw jacks, they are self-locking machine screw jack or high precision ball screw jack. The motor can be a high-precision servomotor, stepping motor, geared motor, worm gear reducer, bevel helical gearmotor, worm helical gearmotor, three-phase motor, or single phase motor, and 12v, 24v, 48v Brush or Brushless DC motors and DC gear motors, etc. Note: If it is a electric ball screw jack, a brake motor or an external locking device is required to maintain the position. Electric screw jacks offer the most economic solutions for a wide range of industrial applications and the load capacity up to 100-ton as standard.

Three Structures (Connection) for Motorized Screw Jacks:
1. Structures 1 (Foot Mounted): input shafts(worm), coupling, and B3 foot mount motor.
2. Structures 2 (Flange Mounted): screw jack with motor flange, and B5, B14, or NEMA flange motor.
3. Structures 3 (Flange Mounted): screw jack with motor flange, coupling, and B5, B14, or NEMA flange motor.
Electric Screw jack lift Function: The Electric screw jack actuator is a basis jack-up part, accomplish the functions such as lifting, drop, push and inverting through worm gear drives screw, because it is driven by electric motor, it has higher efficiency than manual screw jack.

100kN motorized screw jacks with nut for electric jacking system. Cubic electric lifting screw jack load capacity 100 kN, self locking CZPT screw diameter 55mm, pitch 9mm, upright mount, rotating screw type, stroke 500mm, ratio 36:1 (one rpm input travel length 0.25mm), plain end, right shaft and left motor adapter, attached bronze lifting nut, double bellows boots, flange block bearing, and 4 kw brake motor with B14 motor flange.

50KN electric worm gear screw jacks lifting device with three-phase two-speed motor. Motorised screw jacks 50 KN load capacity with a compact and versatile cubic housing, self locking Trapezoidal screw diameter 40 mm, pitch(lead) 7mm, upright mount, travelling screw type, stroke 1500mm, ratio 7:1 (one rpm input travel length 1mm), threaded end and rod end bearing, left side motor flange and right input shaft(worm). Accessories include three-phase two-speed motor(Y100L-8P/4P-0.85KW/1.5KW, 480V/60HZ/3PH), protective pipe, rod end and proximity switches.

Modular and compact cubical design 2.5 ton motorized screw jack provides maximum adaptability to each specific application. For this motorized jack with dc 24v worm gear reducer features: short stroke 50mm, top plate(flange) end, vertical mount, translating design, slowest ratio 1/24, trapezoidal screw Tr 30 x 6, left input shaft(worm) and right motor adapter. Accessories: dc 24v motor attaches RV30 worm gearbox, motor flange, and protective tube.

Cubic design 25KN electric worm screw lift mechanism offers modern aesthetics and versatile mounting on 2 faces of the gearbox, while eliminating the need for upright and inverted variants. For this motorized jacks, upright mount, translating screw type, stroke 500mm, slowest gear ratio 24:1, self locking CZPT screw diameter 30 mm, pitch(lead) 6mm, thread end combines with rod end as one, left input shaft(worm) and right motor adapter. Accessories: dc 24v motor with vertical mount(motor flange), protection tube, bellows boots and rod ends.

10ton electric motor drive actuator worm jack reducer features: maximum static load capacity 10 tons, worm screw 58 mm diameter, pitch 12mm, stroke 75 mm, highest ratio 1/8, inverted type jack, no rotation keyed screw design. Accessories: 0.75kw worm gear motor reducer, motor flange, limit switches, protective tube, and plain end.

25 ton electric actuator features: The motor is parallel mount with spindle, suitable for limit space. Maximum static load capacity 25 tons, lifting screw 90 mm diameter, pitch 16mm, stroke 900 mm, slowest ratio 1/32, inverted type jack, translating screw design. Accessories: 4kw 3 phase 380V AC motor with gearbox, motor flange, clevis end, and protection tube.

25kn electric traveling nut screw jacks features: worm screw 26 mm diameter, pitch 5mm, stroke 1000 mm, slow gear ratio 1/24, vertical lifting, travelling nut rotating design, attached copper lifting nut, flange block bearing, motor flange, and 0.75 kw motor.

5 Ton Screw Jacks with Induction Motors Features: maximum static load capacity 5 tons, worm screw 40 mm diameter, pitch 7mm, stroke 150 mm, slowest ratio 1/6, upright, no rotation keyed screw design. Accessories: 1.1kw bevel-helical gear motor, incremental encoder, motor flange, limit switches, protective tube, and non standard top plate end.

2.5 ton 24vdc jack screw features: maximum static load capacity 2.5 tons, worm screw 30 mm diameter, pitch 6mm, stroke 900 mm, highest ratio 1/6, upright type jack, translating screw design, clevis end. Accessories: 24v gear motor, motor flange, dc motor controller and protective tube.

5 ton electric worm gear screw jack with lifting nut for heavy duty screw jack lift systems. Strong electrically screw jack load capacity 5 ton, self locking CZPT screw diameter 38mm, pitch 6mm, inverted mount, rotating screw design, stroke 900mm, The Best Quality Water Pump Kit With Pulley Car Water Pump For CZPT Ranger Bk3q-8a558-gd ratio 1/24 (one rpm input travel length 0.25mm), plain end, right input shaft and left motor adapter. Attached 3-phase electric motor with bevel-helical gearbox, and copper travel nut.

10 tonne 220v single phase motorized electric screw lift features: maximum static load capacity 10 tons, worm screw 58 mm diameter, pitch 12mm, stroke 1500 mm, highest ratio 1/8, inverted type jack, travelling screw design. Accessories: 1.5kw 220VAC single phase motor with bevel gear reducer, motor flange, rubber bellows, protective tube, and top plate end.

2.5 tonnes worm electric screw lift jacks (cubic design) are high quality engineering products for precise lifting, lowering and pivoting of loads, and are, under normal operation, maintenance free. This motor jack is in a trunnion mounting arrangement, the screw has a pivot on the end and the jack body is mounted on a large pivoting frame, or trunnion. This type of mounting is particularly common in the antenna industry. In practice, the pivot should be as close to the centerline of the internal nut as design permits. Its features cover CZPT lead screw Tr 30×6, stroke 600 mm, highest ratio 1/6, vertical lifting, travelling screw design, attached proximity switches, bellows boots, rod ends, protect covers, and trunnion mounting feets.

5 tonne 3 phases electric motor screw jack with rv worm gear reducer features: maximum static load capacity 5 tons, worm screw 40 mm diameter, pitch 7mm, stroke 75 mm, highest ratio 1/6, inverted type jack, no rotation keyed screw design. Accessories: 0.75kw motor with rv worm gear reducer, motor flange, limit switches, protective tube, and plain end.

Electric powered screw jack 20 tons(200 KN) load capacity with a compact and versatile cubic design gearbox, self locking CZPT screw diameter 70 mm, pitch(lead) 10mm, upright mount, travelling nut type, stroke 1200mm, ratio 10:1, plain end, right side motor flange. Accessories include 4kw AC motor 415V/50HZ/3PHASE, and bronze travelling nut.

2 ton motorized travel nut rotating screw lift jack for screw drive systems adjustment. Motorized screw drive jack load capacity 2tons, self locking CZPT screw diameter 26mm, pitch 5mm, upright mount, rotating screw design, stroke 900mm, ratio 20:1 (one rpm input travel length 0.25mm), plain end, left shaft and right motor adapter, attached copper travel nut, and DC 24V motor.

5ton motor operated screw jack for motorised power the lifting systems. Motorized screw lift load capacity 5 ton, self locking CZPT screw diameter 38mm, pitch 6mm, upright mount, travelling screw type, stroke 500mm, ratio 24:1 (one rpm input travel length 0.25mm), rod end, right side motor flange, attached 1.5 kw 3 phase motors with 90-B5 motor flange.

Electric screw jack 2.5t with worm gear reducer

Stainless Steel Motorized Screw Jack 5ton Inverted with Clevis End

5 ton Precision Screw Jack with Servo Motor

Electric operated screw jack 100KN load capacity with a compact and versatile cubic design gearbox, stroke 1500mm, ratio 36:1, self locking CZPT screw diameter 55 mm, pitch(lead) 9mm, upright mount, translating screw design, clevis end, right side motor flange and left side input shaft. Accessories include 1.5kw geared motor with USA 3-phase voltage, protective tube and screw bellows boots.

A screw jack is a device used to apply a force, push and pull, or move to a position and hold by mechanically converting rotary motion into linear motion.* Screw jacks (Mechanical actuators) capacities from 1/4 ton to 100 tons* Available in machine screw, ball screw, stainless steel machine screw actuators, micro-miniature actuators, motorized machine screw and ball screw actuators, electric cylinders and motor control systems* Accessories include miter gear boxes, c-face motor adapters, limit switches, transducers, visual and digital position indicators, couplings, ball screws and ball screw systems, and locking rings* Can be used as alternatives to hydraulic and pneumatic systems.
Worm gear screw jack or worm screw jack is a mechanical motion control device used for lifting heavy weight objects, push or pull an object. The key components of screw jacks are trapezoidal lifting screw, worm screw, worm gear and gear housing. Worm screw is rotated manually (manual screw jack) or by a motor (electric screw jack).
Motorised screw jack driven motor types include electric motor, gear motor, gear reducer, hydraulic motor, pneumatic motor, explosion proof motor. Motor means asynchronous/induction motor and above motor no brake, if need,marked in purchase order/invoice.Motorised screw jack suitable powers cover 1/8HP(90W), 1/6HP(120W), 1/4HP(180W), 1/3HP(250W), 1/2HP(370W), 3/4HP(550W), 1HP(750W), 1.5HP(1.1KW), 2HP(1.5KW), 3HP(2.2KW), 4HP(3KW), 5.5HP(4KW), 7.5HP(5.5KW), 10HP(7.5KW). Input power larger than 7.5KW contact CZPT sales/engineers.Motorised screw jack pole numbers include 4 poles and 6 poles. Under 4 poles motor, standard output 1500rpm-50hz, 1800rpm-60hz. Under 6 poles motor, standard output 1000rpm-50hz, 1200rpm-60hz. For gearmotor or gear reducer output RPM = electric motor output RPM / reduction gear ratio. Electric screw jack Lifting speed = final output RPM x travel length per full turn of input shaft.Motorised screw jack allowable voltage,phases and hertz includes 380V-3 Phases-50HZ, 220V-3 Phases-50HZ, 400V-3 Phases-50HZ, 415V-3 Phases-50HZ, 440V-3 Phases-50HZ, 480V-3 Phases-50HZ, 220V-3 Phases-60HZ, 240V-3 Phases-60HZ, 480V-3 Phases-60HZ, Go Kart Forward Reverse Gearbox Fits Manufacturer custom gearbox transmission 110V-Single Phase-60HZ, 120V-Single Phase-60HZ, 220V-Single Phase-50HZ, 230V-Single Phase-50HZ, 240V-Single Phase-50HZ. For special application, for example solar tracker industry, most of engineers or designers prefer to use 24V, 36V, 48V DC motor with gear reducer direct connected worm gear screw jack.Motorised screw jack mounting type includes b3 foot mounting, b5 flange mounting and b14 face mounting. Suitable IEC motor frame sizes 56, 63, 71, 80, 90S, 90L, 100L, 112M, 132S, 132M.
Screw Jack System is usually used for lifting heavy duty load or lifting platform. Screw Jack System mainly includes screw jack, bevel gearbox, electric motor, connecting rod coupling, gear reducer. Clients can choose 2 screw jacks system, 3 screw jacks system, 4 screw jacks system, 6 screw jacks system, 8 screw jacks system for your practical application. We can offer a complete screw jack system including electric motor, gear reducer and so on. Before clients place orders, our engineers provide 2D CAD or 3D drawings for final confirmation. Note: When the screw jacks travel stroke is too long, we advise the clients to use a CZPT post.
Packaging & ShippingShipping:1. CZPT freight: seaport to seaport, price terms CIF, FOB, EXW, CFR etc.2. Air freight: airport to airport, price terms EXW, CRF etc.3. Air courier: DHL, FEDEX, UPS, TNT door to door shipment, price terms DDU, CPT etc.Packing: 100% standard exporting plywood cases.
Note: International Exporting Standard Wooden Material with Free Fumigation.

Our Advantages* One of the biggest orders with 1750 units screw jacks.* Standard products with 2D Drawings(DXF, DWG, PDF) and 3D CAD Model(STEP).* 100% quality assured with double quality inspections. Original Inspection Reports, Operation Manual, and Book Catalogue are put into the packages. * 100% safety transportation with strong standard export plywood cases materials (free fumigation). * International standard materials for all standard products. * Custom design available, OEM service available, Free engineering advice and Customer label available.

Finished Projects1. Theatrical solutions stage and orchestra platform lifts projects. Customers are from France, Australia, Netherlands, United Kingdom, Spain and Canada. 2. Hydroelectric power station projects and water conservancy projects. Customers are from Vietnam, Australia, Malaysia, Belgium, United States and United Kingdom. 3. Aircraft maintenance platforms and docking systems projects. Customers are from Singapore. 4. Solar panel tracking system projects. Customers are from Spain, India and Canada. 5. Bolted steel storage tanks and silos lifting solutions. Customers are from South Africa, United States, Mexico and Vietnam. 6. Dish antenna elevation and azimuth positioning projects. Customers are from Singapore, Malaysia and United States. 7. Railway wagon projects. Customers are from South Africa. 8. Beverage can production lines. Customers are from Netherlands, United States, Thailand and Indonesia. 9. Steel factories production lines. Customers are from United States. 10. Continuous PU sandwich panel production lines. Customers are from Thailand and United Kingdom.
Other Products* Manual Screw Jacks.* Electric Screw Jacks.* Worm Gear Screw Jacks Series.* Bevel Gear Screw Jack Series.* Electric Cylinders Series.* Spiral Bevel Gearboxes Series.* Lifting Systems and Accessories.* Electric Linear Actuators Series.* Geared Motor and Gear Reducers Series.

Clients Countries1. American Countries: United States, Mexico, Canada, Chile.2. European Countries: Germany, France, United Kingdom, Italy, Spain, Poland, Romania, Netherlands, Belgium, Greece, Czech Republic, Portugal, Sweden, Hungary, Austria, Switzerland, Bulgaria, Denmark, Finland, Slovakia, Norway, Ireland, Georgia, Slovenia.3. Asian Countries: Malaysia, Indonesia, Singapore, Philippines, Vietnam, Thailand, India, Israel.4. Oceanian Countries: Australia, New Zealand.5. African Countries: South Africa, Egypt.

Contact InformationJACTON INDUSTRY Co., Ltd (VAT No.: 9144190007026567X3) is 1 of the leading companies in the field of Screw Jacks(Mechanical Actuators), Bevel Gearboxes, Lifting Systems, Linear Actuators, Gearmotors and Speed Reducers. We are an audited professional manufacturer and supplier by SGS (Serial NO.: QIP-ASI192186) and BV (Serial NO.: MIC-ASR257162) organizations. We have a strict quality system, with senior engineers, experienced skilled workers and practiced sales teams, and consistently provide the customers with the best engineered solution for precision linear actuation, power transmission and mechanical jacking systems. CZPT Industry guarantees quality, reliability, performance and value for today′s demanding industrial applications.

1. What type of payment methods do you accept?
We accept Wire transfer, Credit Card, Paypal, Alibaba Trade Assurance order, Western Union and L/C etc.
2. Can I get 1 sample to test?
Yes, sample can be at a normal price and welcomed. The transport fees are at your account.
3. How about the quality of your product?
Jacton industry is only focus on the field of Screw Jacks(Mechanical Actuators), Bevel Gearboxes, Lifting Systems, Linear Actuators, Gearmotors and Speed Reducers. 4. OEM/ODM Accepted?
Yes, Please send you new product drawings or sample to us if you have, and we can custom-made as your required. We will also provide professional advices of the products to make the design to be maximize the performance.
5. If you can not find the product on our website,how do you do?
Please send us inquiry with product pictures and drawings by email or other ways you prefer, we’ll check if we could produce.
6. Can I trust you?
Absolutely yes. Samples could be provided to test firstly, and we can use Alibaba trade assurance service to do business to guarantee both the seller and buyer’s benefit, and we are golden supplier for years.
7. What’s our products warranty?One year quality guarantee for the products from your purchase date, Vary diameters of flexible shaft except the human damage.

How to Determine the Quality of a Worm Shaft

There are many advantages of a worm shaft. It is easier to manufacture, as it does not require manual straightening. Among these benefits are ease of maintenance, reduced cost, and ease of installation. In addition, this type of shaft is much less prone to damage due to manual straightening. This article will discuss the different factors that determine the quality of a worm shaft. It also discusses the Dedendum, Root diameter, and Wear load capacity.
worm shaft

Root diameter

There are various options when choosing worm gearing. The selection depends on the transmission used and production possibilities. The basic profile parameters of worm gearing are described in the professional and firm literature and are used in geometry calculations. The selected variant is then transferred to the main calculation. However, you must take into account the strength parameters and the gear ratios for the calculation to be accurate. Here are some tips to choose the right worm gearing.
The root diameter of a worm gear is measured from the center of its pitch. Its pitch diameter is a standardized value that is determined from its pressure angle at the point of zero gearing correction. The worm gear pitch diameter is calculated by adding the worm’s dimension to the nominal center distance. When defining the worm gear pitch, you have to keep in mind that the root diameter of the worm shaft must be smaller than the pitch diameter.
Worm gearing requires teeth to evenly distribute the wear. For this, the tooth side of the worm must be convex in the normal and centre-line sections. The shape of the teeth, referred to as the evolvent profile, resembles a helical gear. Usually, the root diameter of a worm gear is more than a quarter inch. However, a half-inch difference is acceptable.
Another way to calculate the gearing efficiency of a worm shaft is by looking at the worm’s sacrificial wheel. A sacrificial wheel is softer than the worm, so most wear and tear will occur on the wheel. Oil analysis reports of worm gearing units almost always show a high copper and iron ratio, suggesting that the worm’s gearing is ineffective.


The dedendum of a worm shaft refers to the radial length of its tooth. The pitch diameter and the minor diameter determine the dedendum. In an imperial system, the pitch diameter is referred to as the diametral pitch. Other parameters include the face width and fillet radius. Face width describes the width of the gear wheel without hub projections. Fillet radius measures the radius on the tip of the cutter and forms a trochoidal curve.
The diameter of a hub is measured at its outer diameter, and its projection is the distance the hub extends beyond the gear face. There are two types of addendum teeth, one with short-addendum teeth and the other with long-addendum teeth. The gears themselves have a keyway (a groove machined into the shaft and bore). A key is fitted into the keyway, which fits into the shaft.
Worm gears transmit motion from two shafts that are not parallel, and have a line-toothed design. The pitch circle has two or more arcs, and the worm and sprocket are supported by anti-friction roller bearings. Worm gears have high friction and wear on the tooth teeth and restraining surfaces. If you’d like to know more about worm gears, take a look at the definitions below.
worm shaft

CZPT’s whirling process

Whirling process is a modern manufacturing method that is replacing thread milling and hobbing processes. It has been able to reduce manufacturing costs and lead times while producing precision gear worms. In addition, it has reduced the need for thread grinding and surface roughness. It also reduces thread rolling. Here’s more on how CZPT whirling process works.
The whirling process on the worm shaft can be used for producing a variety of screw types and worms. They can produce screw shafts with outer diameters of up to 2.5 inches. Unlike other whirling processes, the worm shaft is sacrificial, and the process does not require machining. A vortex tube is used to deliver chilled compressed air to the cutting point. If needed, oil is also added to the mix.
Another method for hardening a worm shaft is called induction hardening. The process is a high-frequency electrical process that induces eddy currents in metallic objects. The higher the frequency, the more surface heat it generates. With induction heating, you can program the heating process to harden only specific areas of the worm shaft. The length of the worm shaft is usually shortened.
Worm gears offer numerous advantages over standard gear sets. If used correctly, they are reliable and highly efficient. By following proper setup guidelines and lubrication guidelines, worm gears can deliver the same reliable service as any other type of gear set. The article by Ray Thibault, a mechanical engineer at the University of Virginia, is an excellent guide to lubrication on worm gears.

Wear load capacity

The wear load capacity of a worm shaft is a key parameter when determining the efficiency of a gearbox. Worms can be made with different gear ratios, and the design of the worm shaft should reflect this. To determine the wear load capacity of a worm, you can check its geometry. Worms are usually made with teeth ranging from one to four and up to twelve. Choosing the right number of teeth depends on several factors, including the optimisation requirements, such as efficiency, weight, and centre-line distance.
Worm gear tooth forces increase with increased power density, causing the worm shaft to deflect more. This reduces its wear load capacity, lowers efficiency, and increases NVH behavior. Advances in lubricants and bronze materials, combined with better manufacturing quality, have enabled the continuous increase in power density. Those three factors combined will determine the wear load capacity of your worm gear. It is critical to consider all three factors before choosing the right gear tooth profile.
The minimum number of gear teeth in a gear depends on the pressure angle at zero gearing correction. The worm diameter d1 is arbitrary and depends on a known module value, mx or mn. Worms and gears with different ratios can be interchanged. An involute helicoid ensures proper contact and shape, and provides higher accuracy and life. The involute helicoid worm is also a key component of a gear.
Worm gears are a form of ancient gear. A cylindrical worm engages with a toothed wheel to reduce rotational speed. Worm gears are also used as prime movers. If you’re looking for a gearbox, it may be a good option. If you’re considering a worm gear, be sure to check its load capacity and lubrication requirements.
worm shaft

NVH behavior

The NVH behavior of a worm shaft is determined using the finite element method. The simulation parameters are defined using the finite element method and experimental worm shafts are compared to the simulation results. The results show that a large deviation exists between the simulated and experimental values. In addition, the bending stiffness of the worm shaft is highly dependent on the geometry of the worm gear toothings. Hence, an adequate design for a worm gear toothing can help reduce the NVH (noise-vibration) behavior of the worm shaft.
To calculate the worm shaft’s NVH behavior, the main axes of moment of inertia are the diameter of the worm and the number of threads. This will influence the angle between the worm teeth and the effective distance of each tooth. The distance between the main axes of the worm shaft and the worm gear is the analytical equivalent bending diameter. The diameter of the worm gear is referred to as its effective diameter.
The increased power density of a worm gear results in increased forces acting on the corresponding worm gear tooth. This leads to a corresponding increase in deflection of the worm gear, which negatively affects its efficiency and wear load capacity. In addition, the increasing power density requires improved manufacturing quality. The continuous advancement in bronze materials and lubricants has also facilitated the continued increase in power density.
The toothing of the worm gears determines the worm shaft deflection. The bending stiffness of the worm gear toothing is also calculated by using a tooth-dependent bending stiffness. The deflection is then converted into a stiffness value by using the stiffness of the individual sections of the worm shaft. As shown in figure 5, a transverse section of a two-threaded worm is shown in the figure.

China Standard MOTORIZED MACHINE JACK 500KG Self-locking Lifting Electric CZPT Screw Jack,12v dc screw motor jack,dc motor operating screw jack  near me shop China Standard MOTORIZED MACHINE JACK 500KG Self-locking Lifting Electric CZPT Screw Jack,12v dc screw motor jack,dc motor operating screw jack  near me shop

worm wheel

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