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We manufacture Single Girder Overhead Cranes in SWLs ranging from 250kg to 20MT in different configurations.
» Beam ⁄ Box type main girders (dependent on spans).
» These cranes can be of fered either with an Electrically Operated Trolley (EOT) or a Hand Operated Trolley (HOT) depending on the client requirement.
The standard range of ELN Electric Wire Rope Hoists is used on these cranes. Precise control of the up ⁄ down motion and ⁄ or travel motion can be achieved by fitting Variable Frequency Drives in the panels (optional). Control can be either through a Pendant Push Button station or a Radio Remote Control (optional).
We manufacture Double Girder Overhead Cranes in SWLs ranging from 1000kg to more than 200MT. These cranes incorporate fully customised open winch type crabs.
Nirmal can supply fully customised Double Girder Cranes as per the client requirements for different duty cycles and for diverse range of applications. Double Girder Cranes can be given for a very large range of spans‚ a large range of heights of lift as well as a large range of speeds.
Double Girder Cranes can have only a main hoist or a combination of a main hoist as well as auxiliary hoists (use full especially for load tilting).
Double Girder Cranes can also be provided with multiple hoisting trolleys running on the same bridge. Precise control of the up ⁄ down motion and ⁄ or travel motion can be achieved by fitting Variable Frequency Drives in the panels (optional).
Control can be either through a Pendant Push Button station or a Radio Remote Control (optional) or through a Control Cabin (optional). We can also of offer Double Girder Overhead Cranes for the steel industry which are capable of withstanding extreme requirements of operating speeds and operating conditions.
These versatile cranes are used mainly for activities in steel stocky ards‚ pre-cast segment yards and other outdoor applications. These are self propelled cranes running on rails installed at the ground level and do not require any supporting structures.
These cranes can be supplied in Single Girder or Double Girder options depending on requirements of SWLs‚ speeds‚ heights of lift and other characteristics.
Hoisting for these cranes can be through a suitable model of standard electric wire rope hoist depending on the application requirement for a single girder configuration. For Double Girder Gantry cranes‚ the hoisting can either incorporate standard crabs or fully customised open winch type crabs (upto 250MT).
Power supply to these cranes is traditionally provided through a Cable Reeling Drum. These cranes can also be fitted with on-board generators depending on the site conditions.
Precise control of the up ⁄ down motion and ⁄ or travel motion can be achieved by fitting of Variable Frequency Drives in the panels (optional).
Control can be either through a Pendant Push Button station or a Radio Remote Control (optional) or through a Control Cabin (optional).
We can also provide different versions of these cranes to suit your requirement. For example –
» In workshops where part utilisation of the shop bay is required‚ a Semi-gantry crane can be provided.
» Cranes with overhangs on one ⁄ both sides.
» An auxiliary hoisting mechanism can also be fit ted on the main hoisting trolley.
» Multiple hoisting trolleys running on the same bridge.
Jib cranes assist the staff and multiply human efforts‚ handling loads up to 6300kg precisely and effortlessly. Jib cranes are useful especially for loading or unloading of workpieces on machine tools. These are also useful for loading or unloading of trucks. They can also become an inseparable part of a standalone workstation and machine assembly area.
Column mounted Jib Cranes are necessary when no other appropriate support near a workstation is available. Wall mounted Jib Cranes are ideal solutions for workstations located near walls or vertical structures.
We designs and manufactures such Jib Cranes to suit specific client requirements. ABUS Electric Wire Rope Hoists or Chain Hoists do the lifting and moving duty on these Jib Cranes.
We manufacture Single Girder as well as Double Girder cranes in the Underslung version. Such cranes find applications where the headrooms available are limited or the process requirements cannot allow any other means of supporting the crane except from the roof.
Majority of Underslung Overhead cranes are in the capacity range from 250kg to 10MT. However, higher capacity Underslung Cranes can also be manufactured as per the client requirements. Hoisting can be done using standard ABUS Electric Wire Rope hoists or through ABUS Electric Chain Hoists.
Precise control of the up ⁄ down motion and ⁄ or travel motion can be achieved by fitting Variable Frequency Drives in the panels (optional). Control can be either through a Pendant Push Button station or a Radio Remote Control (optional).
In a stationary installation‚ with push trolleys or electric trolleys‚ ABUS electric chain hoists prove to be extremely useful and user-friendly. The advantages include very low headroom requirement for optimum space utilization‚ a standard precision lifting speed for sensitive lifting and lowering operations and brake linings with a long service life.
The new generation of ABUS compact chain hoists feature a fresh new design and convincing technical solutions.
The 3 Phase 400 Volt hoist units are available in four different sizes to reliably handle loads from 80kg to 4000kg.
The motor and the gear unit are of modular design‚ allowing us to produce a wide variety of versions for lifting speeds up to 20m ⁄ min and FEM groups up to 4m. Some features are given below:
» Working temprature: 50° max.
» Hardened and ground planetary gearbox in MH.
» Hardened and ground helical gearbox in CT.
» Single phasing and phase sequence protection.
Cross Travel Motor (Squirrel cage induction motor).
» Standard 3 Phase‚ 415V (+ ⁄ – 10%) supply Optional 380V‚ 460V.
» Single speed cylindrical rotor motor.
» IP 54 protection‚ S4 duty motors.
» Inbuilt DC disc brake.
Hoisting Motor (Squirrel cage induction motor)
» Standard 3 Phase‚ 415V (+ ⁄ – 10%) supply Optional 380V‚ 460V.
» Single speed conical rotor changing motor ( 2 ⁄ 12 pole)
» Self acting taper brakes.
» IP 54 protection‚ S4 duty motors.
Wire Rope
» 6 X 37 construction.
» Steel core.
» UTS: 1670N ⁄ mm2.
Rope Guide
» Consists of pressure rollers to ensure positive reeving.
» Excellent design prevents free fall even on damage.
» No separate rope tightening device ensures lower maintenance.
Hook Assembly
» Special design to prevent friction between wire rope and pulley cover.
» 360° swivelling hook with thrust bearing.
» All pulleys with life lubricated bearings.
» Single shank forged ‘C’ hook.
Limit Switch
» Rotary cam limit switch‚ safe and reliable.
Nirmal offers standardized ABUS Wire Rope Hoists. With reputation for quality, reliability and affordability. ABUS Electric Wire Rope Hoists feature several advanced engineering concepts with special emphasis on safety and versatility.
ABUS Wire Rope Hoists are compact with low headroom dimensions and incorporate latest technical innovations. These hoists are produced using the most advanced technology available and continue to witness reliability, safety and durability year-after-year, from motor to rope, gearbox, brake and electronic systems. These units cover an extremely wide SWL range from 1MT to 100MT in both monorail and double girder configuration. Some features are given below:
» Compact and light weight design.
» Uses hardened and ground gears in both hoisting and cross travel motion to ensure quiet operation and longer working life.
» Provided with phase sequence protector to avoid reverse operation in case of phase sequence fault.
» Available with hook suspended or fixed mounted trolley design as per requirement.
» All motors are provided with D.C. disc brakes.
» Available with twin speed motion on request.
We offer a range of goods hoists with rated loads from 500kg upwards. Goods hoist is a equipment capable of transferring goods vertically from floor to floor, it just work like a passenger lift except not for human being. Our focus is on giving a well-manufactured goods hoist that ensures maximum safety and functional efficiency. They can be used in retail outlets, super markets, mining, warehousing, manufacturing and all other fields of industry.
As a leading supplier in the related markets, we provide excellent after sales services, catering for the needs of our customers throughout the region. We have an experienced engineering team in designing standard equipment or custom-made solutions for local markets. We are committed to provide immediate response towards solving all your material handling enquiries.
With increased cost of land and construction of built up area‚ industries requiring to stock substantial volumes of their products or inputs‚ especially if they are diverse and palletized‚ are looking into material handling systems which maximize utilization of warehouses by volume instead of by floor area‚ besides of course swift retrieval and stocking. This concept has become urgent in metros and mini metros‚ with spiraling cost of land and construction.
The above has been traditionally achieved by Fork Lifts‚ either battery or diesel operated‚ operating in conjunction with an appropriately designed racking system. This method has several disadvantages and imposes limitations on efficient use of space.
Nirmal can design and develop a suitable stacker crane for optimum space utilization and efficient warehousing operations.
Each and every industry has its own material handling requirements. Although most of the requirements are covered by the traditional bridge cranes and gantry cranes‚ there are many cases where an innovative solution is required.
Nirmal has developed a unique and cost-effective bulk material handling system for extraction and disposal of overburden generated during construction of tunnels. These systems can very efficiently remove overburden generated during construction of deep shafts with access tunnels as well as the overburden generated during the tunneling operations itself.
The typical heights of lift for such systems are in the range of 50m to 200m. The typical hoisting speeds are in the range of 30 m ⁄ min to 40 m ⁄ min. Several such systems designed‚ manufactured and commissioned by Nirmal are being used by several major construction companies and are operational at various construction sites across the country.
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