Gearbox Introduction | What Is a Gearbox? | Types of Gearboxes

Types of Gearboxes

Gearbox Introduction

The Gearbox is called a ger transmission. It simply refers to the steps of the gear and their casing; these gearboxes are mostly found in automobiles/cars. Most motor car/truck engines conduct high idling speeds and high operating transmission, which allows the machine to operate efficiently.

It is mostly used in the automobile industry. These gearboxes are used to transfer the energy from one rotating power source to another, mostly used in the automobile industry.

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What Is a Gearbox?

What Is a Gearbox?

The Gearbox is the system that maintains the vehicle’s speed, and it is an essential part of the vehicle’s transmission system. The Gearbox is the device that increases the output torque and changes or decreases the speed of the vehicle motor.

The motor has a shaft connected with the end of the Gearbox and, throughout the configuration, internal to the gears of a gearbox which will provide a given output torque and speed, which is set by the gear ratio.

In simple language, Gearbox is a device whose gears decide the vehicle’s speed. The meaning of the Gearbox is hidden in itself. This is a method by which we can transfer energy from one device/machine to another, and generally, it is used to increase the speed or torque of the vehicle and reduce speed and torque.

Most of the mechanical devices used this method of the Gearbox, for example, tools of the machine, equipment in the industries, and power transmission to change the speed and the torque as per need.

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What Is the Purpose of Gearbox?

The Gearbox provides torque and speed conversion because of the internal combustion lamination. It also facilitates the direction changes for the output shaft to reverse. The main purpose of the Gearbox in the car is to decrease the load which is on the engine by controlling the torque and the speed of the vehicle.

Gearbox also has an option to select the different types of gear ratios. Once the engine crosses the speed limit on the first gear, it will advise to increase the gear and reduce the engine’s rpm, allowing it to pick the greater speed and acceleration and get better fuel economy.

Most vehicle gearboxes are used to increase the torque and reduce the speed of an output shaft, which generates a mechanical advantage. The automotive Gearbox also has a provisional to apply opposite that it will offer, increasing the speed of shaft output with the torque reduction.

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How Do They Work?

The hydraulic motor and electric motor are applied at one end of a Gearbox. On the other end, the energy is converted into low-speed drive torque. The material used in the box has a long life and long service life, which helps or supports the enormous strength.

Mechanism of gear shifting

  • The liver of the gear used to shift the gear is located on the steering or the steering column.
  • In cars, the mechanism of the gear shifter column is used, while on the other hand, the mechanism of the footboard is used in the commercial vehicle, vans, jeeps, and medium vehicles.
  • The gear shifting mechanism is used to change the gear easily in the car. I had a fork on the Gearbox to engage the slot of the Gearbox.
  • The tip is fitted on the gear shift lever at the top of the selector fork in the slot.
  • It offers free sideway movement in the neutral position. In case the column of the steering gear changes its arrangement, that free movement is in the down and the up direction.
  • The mechanism of the floor type shifting needs less maintenance cost.
  • It is easy to operate the column steering gear shifting mechanism because the driver doesn’t need to move his hand for a long distance. In this mechanism, the driver has to move his hand a short distance, and because of it, the car can provide/offer more cabin space.
  • But it is quite difficult to learn and operate this steering column shifting mechanism, which requires more maintenance and is costly.

Also, Read: What Is a Planetary Gearbox? | Why Is It Named a Planetary Gearbox | Possibilities of Planetary Gearboxes | Types of Planetary Gearbox

Types of Gearboxes

There are four main types of Gearbox

  • Parallel
  • Shaft Mount
  • Concentric
  • Right-angled

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#1. Parallel

In the parallel Gearbox, the low-speed and high-speed shafts are on the horizontal plane, which is the same and parallel. And its mounting is foot mounted.

#2. Shaft Mount

In the shaft gearbox, the Gearbox is directly mounted onto and supported with or by a driven shaft. And its mounting is shaft mounted.

#3. Concentric

In the concentric Gearbox, the high-speed and low-speed shafts are on the horizontal and vertical planes, which are the same. And its mounting is foot mounted.

#4. Right Angled

In the right-angled Gearbox, the high-speed and low-speed shafts have a relationship that is 90 degrees. And its mounting is foot mounted.

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Below There Is a List of Five Different Types of Industrial Gearboxes

  • Planetary Gearbox
  • Helical Gearbox Unique Point
  • Worm gearbox
  • Bevel Helical Gearbox

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#1. Planetary Gearbox

This Planetary Gearbox is known for its accuracy, durability, and distinctive functionality. By precise applications, it is characterized. Using a planetary gearbox in the car will extend your device’s life of service and improve the car’s performance.

The Planetary Gearbox is available in two types, either in the form of a solid hollow or with various mounting, including flange, foot, and shaft. The type of the industry depends on the gear. Gearboxes are designed in such a way that they simplify their mechanical function in various types of industries.

#2. Helical Gearbox Unique Point

The one point of the helical Gearbox is unique: it is angled and fixed, allowing the same direction in a similar direction as it gets a move. As a result, the contact remains constant for a certain time.

The helical gearing, which is an extruder, is also used when the strength torsional is optimally used, and it is also used for applications with low excitement. Applications include conveyors, steel, elevators, rolling mills, and the oil industry.

#3. Worm Gearbox

A large-diameter wheel worm is used in the worm gearbox. On the periphery of the Gearbox, the teeth get engaged by the worm or screw. Because of the crew-like movement, the worm gearbox causes the wheel to rotate similarly. The gear setup is designed in such a way that the setup can rotate the gear.

But it can’t rotate the worm. The screw angle is flat, so I used gear in their braking and emergency braking conveyor system. In pharmaceuticals, bottling plant conveyors and machines used in food industries and packaging machines in all these Gearboxes are used.

#4. Bevel Helical Gearbox

Bevel Helical Gearbox is the set of curved teeth that is on. The surface is conical near the edge of the machine. The bevel gear also creates the rotary motion between the non-parallel shaft. In mines, conveyor belts and also in mixers are involved.

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Steps to repair Gearbox

Below there are six steps that will help you in repairing the Gearbox.

  • Do Not Exceed the Quote
  • Assessment of Initial
  • Disassembly
  • As You Found Condition Report It
  • Re-Establish
  • Testing of Quality Assurance

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4.1. Do Not Exceed the Quote

Whenever you contact the service shop for the gear, the first thing which they should do is to provide you with a not Exceed quote. And assume that they are repairing the Gearbox that is familiar with cost. This describes the potential costs involved in the renewal of your drive.

And, of course, request the additional service for the fee, such as an inspection for magnetic particles. This service will ensure that any hairline crack in the unit is discovered before it begins.

4.2. Assessment of Initial

Whenever you receive this industrial Gearbox, do the basic visual assessment of an exterior which is carried out actually before the opening of the unit. In this, steps are involved which inspect the outer surface and check the overall functionality of that equipment, settings bearing, and backlash.

4.3. Disassembly

In this step of the gearbox repairing, the unit will be taken completely apart with the technician’s help. All the components of the machines, even the bearings, also get disassembled. It will make it capable or allow the technician to capture the Gearbox in which condition it is and its internal components arrive at the facility.

4.4. As You Found in Condition Report It

After the disassembly and the inspection have been conducted, the technician will provide you with a report known as an “As found condition” report.

In that report, they include the photos of your drive with any noticeable damage, and all the observations made by the technician makesill give the set of details to work and any recommendations for any component or part which may be needed to replace or service.

4.5. Re-Establish

Once your quote is approved for the drive re-establishment and the unit is disassembled, the re-establishing process will begin. Any information related to the part of the component that needs or doesn’t need replacement will be included in the condition report.

Parts/components needing replacement include pinions, gears, and the shaft. Shims, seals, and bearing will always be replaced with the tire one vendor components/part.

The further steps in the Re-establish process after the clean-up and inspection, which is done 2nd time for the remaining components and parts, are to reassemble the Gearbox and inspect the present repaired drive.

4.6. Testing of Quality Assurance

After the completion of the re-establishment of your drive by the specialists, all the parts get reassembled. At this point, it will produce or establish the gear’s clearance, and the no-load spin test will be conducted. These quality assurance measures will provide peace of mind and help ensure your drive’s longevity.

It will then be sent to the blasted and will be repainted with two types of layers of paint epoxy if it passes both of the tests, which are noise and vibration. This paint is designed to put up with the harsh condition to expose the Gearbox.

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Frequently Asked Questions (FAQ)

Gearbox Repair

National Gear Repair Offers Emergency Gearbox Repair and Rebuilds to the original Manufacturer’s Specifications on all Foreign and Domestic Gearboxes for industries such as Chemical, Cooling Towers, Food & Beverage, Mining, Oil Refining, Pharmaceutical, Plastic and Rubber, Power Generation, Pulp and Paper, Renewable Fuels, and More.

Gearbox Repair Services

Custom gearbox rebuilding & gear manufacturing services. All types of gearboxes. Inspect, analyze, repair, rebuild & test. CNC machining. Breakdown services.

Industrial Gearbox Repair

We rebuild gearboxes for a lot of different industries. We use only the highest quality bearings and hardware. 35 years of experience gets the job done fast.

Gearbox Introduction

The gearbox ( Gearbox ) is a mechanical device used to increase the output torque or to change the speed (RPM) of a motor. The shaft of the motor is connected to one end of the gearbox and, through the internal configuration of gears of a gearbox, provides a given output torque and speed determined by the gear ratio.

What Is the Purpose of Gearbox?

The purpose of a gearbox is to increase or reduce speed. As a result, torque output will be the inverse of the speed function. If the enclosed drive is a speed reducer (speed output is less than speed input), the torque output will increase; if the drive increases speed, the torque output will decrease.

Types of Gearboxes

In general, there are three different types of gearboxes: concentric, parallel, and right angle. A fourth type called shaft mount is also used in situations where the applications are in a configuration where they cannot be mounted by foot.


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