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A worm gear reducer is one type of reduction gear box which consists of a worm pinion input, an output worm gear, and features a right angle output orientation.

Bharat Bijlee is a public-listed electrical engineering company headquartered in Mumbai, India. Established in 1946, its primary business segments are ...

Available Colour:

• Blue

Available Colour:

• Blue

Overview:

An important feature of the Standard Worm is its high efficiency and load carrying capacities, combined with long life and reliable service.

Features:

• Self locking (ability to stop and hold load) and overhauling (ability to operate in reverse)
• Supports very high overhung and thrust loads
• Support shock loads
• Consistent size with increase in ratio
• Higher torque at low speeds

Also available with these specification:

• Single reduction ratio: Upto 70/1
• Double reduction ratio: Upto 4900/1
• Centre distance: Upto 3.37 inch
• Rated output torque: Upto 50000 nm

Bevel geared motors with the tried and tested UNICASE housing principle offer security, as they need little maintenance and have long life cycles. UNICASE bevel gear units are available in various versions and sizes, especially suitable for your application.

Features:

• High efficiency for low operating costs
• Robust design for long life and easy maintenance
• Cheap to run thanks to low maintenance
• Robust grey cast iron housing
• Various bearing concepts guarantee high axial and radial load capacities
• Application-specific versions

Versions:

• Solid and hollow shaft (key, GRIPMAXX™, shrink disc)
• Bolt-on-, flange- and foot-mounted versions
• Angled gear units

Available Power- Upto 200kW
Available Torque- Upto 50,000 Nm

Salient features of TEFC Standard Motors:

• BBL motors can be continuously overloaded by 10% or can be used up to ambient temperature of 55 DegreeC. Temperature rise will be as per Class F limits
• All motors are with degree of protection IP55
• All motors up to 280M frame are designed for 50 DegreeC ambient
• 2Z Bearings are standard up to 180L frame which are filled with high temperature grease suitable up to 140 DegreeC
• On line re greasing provided from frame 225 onwards
• SKF or equivalent make bearings are used and directly procured from the bearing manufacturers
• Terminal boxes are large and can be rotated in steps of 90
• Terminal Box location can be changed from RHS to LHS at site
• Rotors are dynamically balanced with half key
• All foot mounted motors are with integral cast feet
• Outer bearing covers are integral with end shield / flange
• V Rings are used in IP55 motors and no reduction in efficiencies as compared to IP44 motors
• Additional anti tracking protective coating of air drying varnish is applied on the winding overhangs
• Cooling fans are of aerodynamic design resulting in low noise and are bi-directional
• Standard Motors are suitable for mounting with any shaft orientation
• Frame size available upto 280m

NORD Bevel Geared Motors are the best choice wherever high speed ratios and torques are required. Our drive systems, consisting of an electric motor and a bevel 

NORD Geared Motors: powerful, quiet and flexible

Our electric motors with gear units achieve torques of up to 100,000 Nm and speed ratios of up to 14,340.31:1. The drive units run quietly and can be operated at various speeds with the aid of a variable speed drive.

NORD DRIVESYSTEMS produces geared motors which can be configured for almost any application. We work closely with our customers to find the optimum solution for their requirements. Millions of NORD geared motors are already in use throughout the world and provide ultimate performance in various industries every day.

Our geared motors not only have a high performance, they also have a high axial and radial load capacity. Thanks to our universal gear unit concept, users also benefit from rapid rebuilding times and simplified stocks.

The strength of our helical-worm gear units is their simple mechanical structure. This yields a higher efficiency than pure worm gear units. In addition, the S series gear units are quiet during operation.

The simple design makes for cost-effectiveness. The individual adjustment of torque and speed allows for space-saving installation of our helical-worm gear units. Use the S series gear units to implement simple tasks in your machine or plant applications.

The combination with a helical gear stage significantly increases the efficiency compared to pure helical-worm gear units. The linear power transmission makes the helical-worm gear units especially quiet in operation. Why? Power is transmitted via the worm shaft and the worm gear to the drive shaft. This dampens the torque impulses and reduces the noise.The torque ranges from 92 Nm to 4,000 Nm.

Only half the solution without a motor? Then use our modular concept and combine the gear units of the S series with an AC motor to an S..DR.. helical-worm gearmotor, or with a servomotor to an S..CMP servo helical-worm gearmotor of your choice. Or simply choose the separate AC motor or servomotor that meets your requirements.

Areas of Applications:

• Drives in theater applications
• Drives for infrequent speed variations
• Presses
• Rotary tables
• Corner transfer units

Features:

• Significantly more efficient than pure worm gear units due to helical-worm combinations
• Very low-noise operation
• Available variants:
  • Foot- or flange-mounted
  • B5 or B14 flange-mounted
  • Solid shaft or hollow shaft
  • Hollow shaft with keyed connection, shrink disk, splined hollow shaft, or TorqLOC

Available Size:

• 37 inch 
• 47 inch 
• 57 inch 
• 67 inch 
• 77 inch 
• 87 inch 
• 97 inch

Key Benefits:
- Minimized mounting space
- Reduced installation space and wide output  speed selection range
- Reduced standard backlash
- Highly dynamic, energy-saving solution
- Wide output speed selection range


Main Options:

• Surface protection up to C5
• Reinforced bearings
• Reduced backlash
• Torque arm
• Fluoroelastomer oil seals
• Double oil seasonal input
• Taconite seals

Output:

• Feet mounting
• Flange mounting

Motors:

• Input with solid shaft
• Input with e-motor coupling:BN, BE, BX [IEC asynchronous], BSR [IEC reluctance] & BS [IEC single phase]

Motor options:

• Thermistors and thermostat sensors
• Independent forced cooling
• Incremental, sin/cos absolute single/multi-turn encoders
• Tropicalization
• Anti-condensation heaters
• Backstop

Features:

• Universal mounting
• Forced ventilation for an easy thermal power dissipation
• Wide range of accessories and non-standard designs
• Worm wheels of A gear reducers and gearmotors made of nickel bronze with controlled phosphor content, in order to achieve improved performance, a higher load capacity, greater reliability and more wear resistance
• Higher worm efficiency

Benefits:

• Easy and functional shaft mounting
• High performance and reliability
• Long life
• Noiselessness, constant performance, also for the heaviest applications
• Lower power consumption

Available Size: Upto 250 inch
Available Powert: Upto 55 kW
Available Transmission Ratio: Upto 1600

The efficient bevel gearboxes are characterized by high permissible radial forces, closely stepped ratios and a low backlash.

They are available in a 2-, 3- and 4-stage design with a torque of up to 20,000 Nm and a ratio of up to i=2,950.

Your advantages:

• High-efficient right-angle gearbox in a compact design for space-saving installation
• Market standard shaft dimensions and standardized flanges for easy machine integration
• Little backlash and high torsional rigidity during positioning ensure exact results

Can be combined with the following motors:

• IE2 and IE3 three-phase AC motors m550-H, m550-P and m540-P according to the Ecodesign Directive in the power range from 0.12 to 55 kW
  With integrated 8400 motec frequency inverters, they cover the power range from 0.12 ... 7.5 kW.
• Inverter-optimized MF three-phase AC motors in the power range from 0.55 to 22 kW
• m300 Lenze Smart Motor, with a rated torque of 1.75 Nm or 5 Nm
• MCS and m850 synchronous servo motors in the power range from 0.25 to 15.8 kW
• MCA asynchronous servo motor in the power range from 0.8 to 20.3 kW

Zebra is our series of two-stage rotary vane vacuum pumps for medium vacuum. Busch also offers proven technology for higher vacuum levels: the Zebra series two-stage oil-lubricated rotary vane vacuum pumps for the fine vacuum sector.

Operationally reliable and cost-effective
Rotary vane technology has been continuously developed and optimised by Busch for 50 years. There has been a constant focus on both efficiency and operational reliability, resulting in highly efficient and economical products.

Application-orientated
Zebra vacuum pumps are characterized by high pumping speeds, even in low-pressure ranges, resulting in rapid evacuation times. The two-stage compression with circulating oil lubrication achieves ultimate pressures of 6, 7.10-3 hPa (mbar).

Easy to service
Apart from oil changes at the usual service intervals, additional maintenance is not required. Small flange connections allow simple and fast integration into the process.

Features:

• 2, 3 or 4 reduction stages for both coaxial and right angle shaft 
• Wide range of accessories and non-standard designs
• Modular design, with multi-optional executions   
• Very compact size and reduced mass of gearbox

 

Benefits:

• Easy and functional flange, foot, or shaft-mounting design
• High torque transmitted
• Extended range of transmission ratios and output speeds available