Project Report for Motorized Screw Jack Manufacturing
Motorized screw jacks are manufactured for use in automobile workshops, factories, and building sites throughout India. Consistent industrial demand indicates robust PMEGP and MSME loan feasibility. Sharda Associates creates CA-certified Project Reports, which are trusted by over 45,500 organizations and approved by credit committees. Starting at Rs.2,999 and delivered in 24 to 48 hours.
Get free Sample
What Is a Motorized Screw Jack
A motorized screw jack, also known as an electric screw jack or electromechanical linear actuator, is a mechanical device that translates an electric motor’s rotating motion into accurate linear motion via a screw-and-nut mechanism. The motor drives a worm gear or bevel gear assembly, which rotates the screw shaft. As the shaft rotates, a travelling nut or lifting platform slides along the screw, elevating or lowering the load attached to it.
What distinguishes a motorized screw jack from a manual screw jack is the absence of human effort. A manual screw jack requires the operator to physically spin the handle, which limits both the force that can be delivered and the precision with which the load may be positioned. A motorized screw jack uses an electric motor to power the same mechanism, allowing much heavier loads to be lifted, held in precise positions for long periods of time, and controlled remotely or automatically.
Where Motorized Screw Jacks Are Actually Used in India
This is not a theoretical market — it is a working one. Here is where motorized screw jacks go after leaving a manufacturing unit:
- Automobile workshops and garages use vehicle lifts to hoist cars for underbody work. India has over 35 crore registered vehicles, with thousands of new garages sprouting each year in Tier 2 and Tier 3 cities. Every professional automotive service center requires motorized lifting equipment.
- Printing and packaging equipment employ motorized screw jacks to raise and lower platen beds, regulate impression pressure, and position paper stacks. With the rise of FMCG and e-commerce, India’s printing industry—packaging, labels, and commercial printing—is fast rising.
- Motorized jacks are used in food processing and pharmaceutical factories to raise and lower mixing tanks, alter conveyor heights, and position filling heads. FSSAI-compliant stainless steel variants are used in clean-room food and pharmaceutical applications.
- Solar panel installation: Motorized screw jacks are used in the tracking system of solar panel arrays on rooftops and ground-mounted farms to change the panel angle with the sun. India’s annual solar capacity expansion of more than 20 GW provides a significant demand for these components.
- building and infrastructure: Motorized jacks are used in formwork systems for concrete slab building to raise and lower shutters with precision. Used in bridge construction for incremental launching, as well as in building construction to elevate precast pieces.
- Motorized screw jacks are used in CNC shops, tool rooms, and precision engineering units to modify the height and angle of machine beds, worktables, and fixtures.
Types of Motorized Screw Jacks a Manufacturing Unit Can Produce
- Machine Screw Jack (Travelling Screw Type): The screw rotates while the nut is fixed. The screw rotates up and down, raising the load attached to its top end. Simple and small design. Used for loads of up to 25 tons. Most common in workshops and light industrial settings.
- Ball Screw Jack: Uses a ball screw instead of a typical Acme or square thread screw, which reduces friction and allows for higher speeds and more efficiency. Machine tools, solar trackers, and medical equipment are all examples of applications that require accurate positioning and repeatability.
- Bevel Gear Screw Jack: Drives the screw using a bevel gear set rather than a worm gear. Higher efficiency (60-70%) over worm gear (30-50%). Suitable for applications requiring a higher duty cycle and lower heat generation.
- Worm Gear Screw Jack (the most common): The screw is driven by a worm and a worm wheel. The self-locking feature – the load cannot back-drive the jack under gravity — makes it suitable for holding loads without a brake. The most commonly manufactured and utilized type in India.
- Stainless Steel Screw Jack: The same mechanism as a regular screw jack, but made completely of stainless steel (SS 304 or SS 316) for food, pharmaceutical, and chemical industrial applications where hygiene and corrosion resistance are critical.
Project Cost for Motorized Screw Jack Manufacturing Unit
Cost Component | Small Unit (₹) | Medium Unit (₹) |
Lathe + milling machine (screw and gear machining) | 3,00,000–6,00,000 | 7,00,000–14,00,000 |
Gear hobbing machine (worm gear production) | 2,00,000–4,00,000 | 5,00,000–10,00,000 |
Grinding machine (screw thread precision) | 1,00,000–2,00,000 | 2,00,000–4,00,000 |
Raw material — alloy steel, CI castings, motors (3 months) | 2,00,000–4,00,000 | 4,00,000–8,00,000 |
Assembly tooling + testing fixtures | 50,000–1,00,000 | 1,00,000–2,00,000 |
Work shed + working capital | 1,50,000–2,50,000 | 2,50,000–5,00,000 |
Total Project Cost | ₹10–19.50 lakh | ₹22.50–43 lakh |
PMEGP eligibility: Manufacturing projects up to ₹50 lakh → 15–35% capital subsidy.
Manufacturing Process — What Actually Happens on the Shop Floor
Making a motorized screw jack requires precise machining. The ultimate product’s performance—load capacity, efficiency, backlash, and service life—is nearly entirely determined by the quality of the machining, not the assembly. This is important for the project report since the bank’s technical appraiser will determine whether the machinery investment is suitable for the precision required.
Screw shaft production: A precise lathe is used to turn the lead screw from alloy steel rod (usually C45 or EN8). The thread — Acme, trapezoidal (TR), or square — is cut at the proper pitch and lead angle. Thread accuracy directly affects the jack’s positioning precision and load capacity.
Worm and worm wheel: manufacture involves turning the worm shaft and cutting the worm thread on a milling or hobbing machine. The worm wheel is made of cast iron or bronze and hobbed with a specialized gear hobbing machine. The mechanical advantage is determined by the gear ratio between the worm and the wheel (a greater ratio means more force and slower speed).
The jack housing (body): whether cast in CI or manufactured from MS, is machined on a milling machine to generate precise bores for the bearings and screw. Bearing bore alignment is crucial; misalignment leads to premature bearing failure under load.
Bearings are pressed: Into the housing, the worm shaft and worm wheel are assembled with the proper mesh and backlash, the lead screw is fitted with a traveling nut, and the motor is connected by flange or coupler.
Testing: Each jack was loaded to its rated capacity, the efficiency was assessed, and the screw travel range was validated.
What Our Motorized Screw Jack Project Report Covers
- Product range — worm gear type, bevel gear type, ball screw type, load capacity range
- Manufacturing process — screw machining, gear hobbing, housing machining, assembly, testing
- Machinery list with supplier quotation references — lathe, milling, hobbing machine specifications
- Raw material sourcing — alloy steel (for screws), CI castings (for housing), worm wheels (bronze or CI), electric motors, bearings
- Make vs buy decision — worm gear set and motor sourcing vs in-house production
- Production capacity — jacks per month at different load ratings
- CMA data — all 7 RBI-prescribed statements
- DSCR verified above 1.25 in every repayment year
- PMEGP employment generation section — correctly prepared
- Break-even analysis and repayment schedule
Why Choose Sharda Associates
- More than 45,500 project reports were supplied, covering mechanical equipment manufacturing, precision engineering, and PMEGP applications for industrial product makers.
- Gear hobbing machine cost is accurately included — most general project reports for screw jack manufacturing omit the hobbing machine as a separate line item. Banks have flagged this. We included it.
- Worm gear set outsourced vs. in-house hobbing is a vital decision that greatly affects project cost and capacity.
- Our revenue projections are CA-certified and accepted by SBI, PNB, Bank of Baroda, Canara Bank, SIDBI, and KVIC. We ensure that the load rating and market match accurately.
- Starting at ₹2,999. 24–48 working hours
📞 +91 89899 77769 | Documents on WhatsApp → Report by email → All India service
Frequently Asked Questions
A motorized screw jack uses a screw-and-nut mechanism to transform an electric motor's spin into linear lifting motion, generally via a worm gear drive. Standard industrial screw jacks have load capacities ranging from 1 to more than 100 tons. For MSME production, the most commercially viable weight range is 2 to 25 tonnes, which includes auto workshop lifts, industrial machine placement, printing press beds, and solar tracking equipment.
Yes. For projects up to ₹50 lakh, industrial machinery and mechanical equipment manufacturing can receive a 15-35% capital subsidy under PMEGP. CA-certified KVIC-format project report with employment generating section required. Sharda Associates offers PMEGP project reports beginning from ₹2,999.
The lead screw shaft is made of alloy steel C45 or EN8, which is finely turned and threaded. Worm wheel: phosphor bronze (for increased wear resistance) or grey cast iron (for cost-effectiveness). Worm shaft material: case-hardened alloy steel. Housing options include grey cast iron (machined) or MS fabrication. Bearings are angular contact or deep groove ball bearings. Electric motor: single or three-phase AC induction motor (0.25 to 2 HP, generally). Couplings, seals, and hardware.
Core machinery includes a precision lathe (for screw shaft and housing bores), a milling machine (for housing flat surfaces and keyways), a gear hobbing machine (for worm wheel production—essential for in-house gear manufacturing), a surface grinding machine, a cylindrical grinding machine (for screw thread precision), and a drill press. The gear hobbing machine is the most specific and costly machine — often the deciding factor for in-house vs outsourced worm gear production.
The shape of a worm gear, notably the low lead angle of the worm thread, inhibits back-driving: gravity cannot cause the load to revolve the worm wheel backward. This means that when the motor stops, a worm gear screw jack maintains its position without the use of brakes. This self-locking feature makes worm gear screw jacks suitable for holding loads at height, which is essential for vehicle lifts, machine positions, and stage platforms where gravity-driven drop would be harmful.
A screw jack employs a mechanical screw, which has a lower power density, slower action, but no oil leakage, is easier to maintain, has superior positional precision, and is self-locking in the worm gear variation. Screw jacks are preferred for precision placement in clean areas (food, pharmaceuticals). Hydraulics may be preferred for high-speed, high-force applications (e.g., vehicle lifts in busy garages).
Automobile workshops and car service centers (vehicle lifts), printing and packaging machinery manufacturers, solar panel mounting and tracking system manufacturers, food processing equipment builders, pharmaceutical plant equipment manufacturers, construction equipment and formwork companies, machine tool builders (worktable height adjustment), and industrial equipment dealers stocking standard sizes for various end-user applications.
A small-capacity worm gear screw jack (2 tonne, 100 mm travel) with motor and mounting flange retails for ₹8,000-15,000. A medium capacity unit (10 tonnes, 200 mm travel) costs ₹25,000-45,000. A heavy-duty unit (25 tonne, 300 mm travel) costs ₹60,000-1,000,000. Custom and stainless steel units attract a 40-80% premium over ordinary carbon steel models.
Yes, but the decision to create or buy worm gear sets is crucial. A small unit that outsources the worm and worm wheel to a gear manufacturer in Rajkot or Ludhiana and focuses its machining on the screw shaft, housing, and assembly can produce competitive screw jacks for 15-25% less than established brands while maintaining acceptable quality margins. Sharda Associates accurately assesses this in the project report's production economics section.