Manufacturer of worm gearbox, bevel helical gearbox, helical gear boxes, bevel helical gearbox, smsr, planetary gearbox, worm gear motor, inline helical geared motor, bevel helical geared motors, hoists
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Agro Engineers
(ISO 9001:2008 Enterprise)
E-3, Industrial Estate,
Kota - 324007, Rajasthan, INDIA.
Tel:+91-744-2363799. Fax:2360835.

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Worm Shaft and Worm Gears, Spur, Helical, Double Helical, Internal Helical and Internal Spur Gears and Pinions

Gear and Pinions in Stock
 

 

Worm Shaft
Spur Gears and Pinions
Helical Gears and Pinions

Worm gears
Internal Spur and Internal Helical Gears and Pinions
Herringbone (Double Helical) Gears and Pinions

Spur, Helical, Double Helical (Herringbone), Internal Gears, Pinions, Worm Shafts and Worm Gears for Worm Gear Boxes
 

Hardened and Ground GearsHardened and Profile Ground Spur, Helical Gears and Pinions

  • upto 10 Module/2.5 DP
  • Outer Diameter upto 540 mm/21"
  • Face Widths upto 200 mm/8"
  • Pinions are generally made from EN 353 case Hardening Steel and Gears are generally made from SAE 8620 Case Hardening Steel. Other metals like 20Mn5Cr5, EN 36 or EN 24, EN 19 full hardening steel can be taken for good quantities
  • They are case carburised, Hardened and Tempered to HRC 55-60.
  • They are then accurately ground. Teeth Flanks are ground on Teeth Profile Grinding Machine
  • for Automobiles and Industries
  • Custom made as per Specifications, Drawing or Sample

Internal Helical GearsInternal Spur and Internal Helical Gears and Pinions

  • Upto 10 Module/2.5 D.P.
  • Outer Diameter Upto 1000mm/39"
  • Face Widths upto 200 mm/8"
  • In Mild Steel, Stainless Steel, Alloy Steel, Hardened and Tempered Steels, Case Hardened Steels, Cast Iron, or other materials like Hylam as specified
  • for Automobiles and Industries
  • Custom made as per Specifications, Drawing or Sample
  • used in industrial sectors such as Cement Plants, Sugar Mills, Sponge Iron Plants Fertilizer plants, Thermal Power Station, Mineral Plants, Chemical Plants, Paper Mills, Mining Industry, Steel Rolling Plants.

Worm Shafts

  • Upto 10 Module/3 D.P.

  • Outer Diameter Upto 300 mm/12"

  • Face Widths upto 500 mm/19"

  • In Single or multi starts

  • Worm Shafts and Worm Gear sets for Worm Gear BoxCenter Distance from 25mm/1" to 500mm/20"

  • Generally Worm Shafts are made from EN 353, Case Carburised, Hardened and Tempered upto 55-60 HRC.

  • They are then accurately ground. Tooth Flank are ground on Worm Profile Grinder

  • Also offered in other metals with or without hardening like in Mild Steel, EN8, EN 19, EN 24, Cast Iron or as specified

  • standard and custom made as per Specifications, Drawing or Sample

  • Worm shafts like for Worm Gear Boxes (most of the makes) of C.D. 50, 60, 75, 85, 100 mm, Ratio 30:1 or 40:1 are usually available Ex-Stock (Subject to conformation).

  • For Automobiles and Industrial uses

  • Worm Shaft and Worm Wheel Pairs are suitable for power transmission in right angle

  • Reverse engineering of Gear sets and Gear Boxes

Worm Gears

  • Upto 20 Module/1.5 D.P.
  • Outer Diameter Upto 2100mm/80"
  • Face Widths upto 800 mm/31"
  • In Single or multi starts
  • Center Distance from 25mm/1" to 500mm/20"
  • In Cast Iron, Bronze (PB2S), or as specified
  • Optionally available Custom made as per Specifications, Drawing or Sample
  • Worm Gears are available on very tight delivery schedules, some Worm Wheel & Worm shafts Pairs like for Worm Gear Boxes (most of the makes) of C.D. 50, 60, 75, 85, 100 mm, Ratio 30:1 or 40:1 are usually available Ready-Stock. Other ratios are also available within One day of placing Order or on short notice (subject to conformation).
  • Gear Box Overhauling and Rebuilding Services

Large Gears

Spur, Helical Gears and Pinions

  • Upto 20 Module/1.5 D.P.
    Outer Diameter Upto 2500 mm/100" in spur gear and Pinion
  • Outer Diameter Upto 1250 mm/50" in Helical gears and Pinions
    Face Widths upto 800 mm/31"

  • Required information for quotation:

    Material of Construction - steel, EN 8, EN 24, EN 353, SAE 8620 etc
  • Teeth Specification - pitch in Module or DP, Helix Angle
    Outer Diameter
    Bore size
    Key way size
    Hub size if any
    Any other requirement 


Herringbone (Double Helical) Gears and Pinions

  • Upto 20 Module/1.5 D.P. in 2 pieces bolted togather

  • Uptto 10 Module/2.5 D.P. in single pieces

  • Outer Diameter Upto 1250 mm/50"

  • Face Widths upto 200 mm/8"

  • Required information for quotation:
    Material of Construction - steel, EN 8, EN 24, EN 353, SAE 8620 etc

  • Heat Treatment required - hardening and tempering, Case Carburizing and Case Hardening and Tempering

  • Required information for quotation:

  • Teeth Specification - pitch in Module or DP, Helix Angle

  • Outer Diameter

  • Bore size

  • Key way size

  • Hub size if any

  • Any other requirement 

Worm Shaft Teeth Profile Grinding
Worm Shaft Teeth Profile Grinding

Teeth Cutting of Worm Gear on Gear Hobbing machine
Teeth Generation  of Worm Gear on Gear Hobbing machine

Helical Gear Profile Grinding
Spur and Helical Gear Profile Grinding

Worm gear and worm shaft pair speed reducers are right angle speed reducers used in applications usually involving low horsepower. Worm gear set maintain high gear ratios, low or nearly nil gear play or backlash, high shock tolerance, and compact design.

A worm gear is used when a large speed reduction ratio is required between crossed axis shafts which do not intersect. A worm drive consists of a large diameter worm wheel with a worm screw meshing with teeth on the periphery of the worm wheel. The worm is similar to a screw and the worm wheel is similar to a section of a nut. As the worm is rotated the worm wheel is caused to rotate due to the screw like action of the worm. The size of the worm gear set is generally based on the centre distance between the worm and the worm wheel.

Worm gears
provide a normal single reduction range of 5:1 to 100-1 and can go easily upto 127:1 or more under rare circumstances. The pitch line velocity is ideally up to 30 m/s. The efficiency of a worm gear ranges from 98% for the lowest ratios to 20% for the highest ratios. As the frictional heat generation is generally high the worm box is designed disperse heat to the surroundings and lubrication is and essential requirement. Worm gears are quiet in operation. Worm gears at the higher ratios are inherently self locking - the worm can drive the gear but the gear cannot drive the worm. A worm gear can provide a 50:1 speed reduction but not a 1:50 speed increase. In practice a worm should not be used a braking device for safety linked systems e.g. hoists.

Spur gear
contain gears which have teeth that are straight and run parallel to the axis of revolution. These are used primarily for use in parallel shafts.
 

Turning of 2020 mm Steel Gear
Turning of 2020 mm Gear dia 20 Module
Gear Cutting of 2020 mm Gear dia 20 Module
Spur Gear Teeth Cutting of 2020 mm Gear Diameter, 20 Module
Spur Ring Gear
1224 mm Gear dia Spur Ring Gear
Turning of Steel Ring Gear
Turning of 1224 mm Gear dia 12 Module
Gear Teeth cutting
Gear Teeth Generation of 1224 mm Diameter Steel Ring Gear 12 Module
Key way slotting of Worm Gear on Slotter
Key way slotting of Worm Gear on Slotter
The Gear Cutting Shop Floor
The Gear Cutting Shop Floor
Gear Blank Turning
Gear Blank Turning
Gear teeth generation on Gear Hobbing Machine
Gear teeth generation on Gear Hobbing Machine
 

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Industries we serves include Sugar, Cement, Paper, Solvent Extraction, Rubber, Steel Industry, Power Plants, Mines and Minerals, Chemical, Elevator, Textile, Plastic & leather, Waste water treatment, Food & tobacco.

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