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Torque Multilier

Your Professional Torque Multilier Supplier!

Shandong Shengdingxin Precision Technology Co., Ltd. Isa professional fastening tool manufacturer in China with over 20 years experiences in this field. With profound technical expertise, rigorous quality control, and professional service, we have earned widespread recognition in the market and customers' trust. Our products include Electric Wrench, Hand Wrench, Rebar Processing Tools, Torque Multilier, Measuring Equipment Calibration,etc.

Why Choose Us

Wide Application
Our products are widely used in a variety of industries, including steel structure installation, equipment installation, power construction, metallurgical construction, bridge construction, railway construction, industrial plants, high-rise civil engineering, tower structures, and automotive assembly, demonstrating excellent adaptability and practicality.

Sales Market
Our products have been exported to countries and regions including India, the United States, Brazil, Pakistan, Nigeria, Bangladesh, Russia, Mexico, Japan, the Philippines, Ethiopia, Egypt, Vietnam, Germany, France, and Italy, covering a wide market and demonstrating strong international competitiveness.

Advanced Equipment
We have advanced production equipment, including high-precision CNC machine tools, automated production lines, and rigorous quality control equipment. This production equipment ensures that our products high precision, stability, and excellent durability.

Rich Experience
Our products have passed EU CE certification and multiple industry certifications, ensuring that the quality and performance of our products reach international advanced levels.

Flat Type Portable Torque Multipliers

Flat Type Portable Torque Multipliers are suitable for loading and unloading nuts and bolts in small spaces but with large torque values. The operator only needs to apply a small torque to obtain a

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FLAT TORQUE MULTIPLIER

1. It adopts a high-efficiency planetary speed change mechanism as the main transmission, which is small in size and light in weight. Due to the large speed ratio, a small input force can produce a

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Angular Torque Multiplier

1. It adopts a high-efficiency planetary speed change mechanism as the main drive, which is small in size and light in weight. Due to the large speed ratio, a small input force can generate a large

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Flat Type Hand Torque Multiplier

1. High Torque Amplification Capability:Utilizing an efficient planetary gear system, the torque wrench multiplier can significantly amplify the input torque, effortlessly handling large-sized bolts

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Specification

Model	Max torque [N.m]	Gear ratio	Input driver [in]	Output driver [in]	Size(ABC) mm	Adaptble bolts dia	Nut across flats	Weight [Kg]
SDX-200CT-01	1500	1:4	1/2"	1"	8297(76.7-127.3)	M20-30	S30-46	2.4
SDX-200CT-02	2000	1:13	1/2"	1"	82120(92.7-129.3)	M22-35	S32-55	3.5
SDX-200CT-03	3500	1:16	1/2"	1"	98128(102.7-145.3)	M30-45	S46-70	5
SDX-200CT-04	5500	1:21	1/2"	1-1/2"	115157(134.05-165.95)	M38-52	S55-80	8.7
SDX-200CT-05	7500	1:23	1/2"	1-1/2"	127168(139.05-190.95)	M42-60	S65-90	11.7
SDX-200CT-06	10000	1:28	1/2"	1-1/2"	141186(144.05-215.95)	M52-72	S80-105	15.2
SDX-200CT-07	15000	1:50	1/2"	2-1/2"	156246(155.25-244.75)	M60-85	S80-120	24.1

Benefits of a Torque Multiplier

Enhanced Worker Safety: Compared to using excessive force or extender handles, torque multiplier lessens the chances of accidents and injuries.
Improved Productivity: By multiplying the torque input, the worker’s required time and energy are lessened, the project lead time has been reduced.
Better Accuracy: The risk is eliminated through torque multipliers, which allow torque application to be accurate within the range required. This makes certain that fasteners are appropriately tightened, thereby minimizing the likelihood of any components getting damaged or failing as a result of either under-torquing or over-torquing.

Application of Torque Multilier

● Vehicle Lug Nut Tightening
● Putting Together Large Machinery
● Construction Bolting
● Installation of Pipelines
● Maintenance of Wind Turbines
● Agricultural Equipment
● Maintenance of Mining Equipment
● Ship and Boat Upkeep
● Vehicle Maintenance
● Assembly and Production Lines
● Installing Renewable Energy Sources
● Construction and Upkeep of Bridges
● Heavy Machinery Repair

The Basic Principle Of Torque Multilier

Torque multiliers incorporate an "epicyclic" or "planetary" gear train having one or more stages. Each stage of gearing increases the torque applied by a factor of 5, allowing to offer multipliers in ratios of 5:1, 25:1 and 125:1. In the planetary gear system, torque is applied to the input gear or 'sun' gear. Three or four planet gears whose teeth are engaged with the sun gear and therefore rotate.
The outside casing of the multiplier, or 'annulus' is also engaged with the planet gear teeth, and would normally rotate in the opposite direction to the sun gear. A reaction arm prevents the annulus from rotating, and this causes the planet gears to orbit around the sun.
The planet gears are held between input and output plate which also holds the output square drive. Therefore as the planetary gears orbit around the sun gear,output plate the and so the square drive turns. Without the reaction arm to keep the annulus stationary, the output square will not apply torque.

How to Use a Torque Multiplier

To use a manual torque multiplier, follow these steps:

Review the torque multiplication factor for the individual model of torque multiplier, then set the wrench based on these specifications. For example, if the desired torque output is 400 lbf.ft and the multiplication factor for the multiplier is 4:1, then you would set the wrench to a torque input of 100 lbf.ft. Make sure you don't exceed the maximum input torque.

Assemble the socket, "O" ring, and retaining pin.

Do not use an extra long extension or socket.

Place the multiplier on the fastener.

Make sure the multiplier rotates in the required direction.

Check to ensure the wrench also rotates in the correct direction, then place it on the multiplier.

Choose a suitable reaction point.

Tighten the multiplier until you hear a "click." This indicates the multiplier is now locked on and ready for use.

Don't strike the anti-wind-up ratchet.

To release the wind-up, follow this sequence.

Replace the wrench.

Load the torque wrench.

Reverse the direction of the anti-wind-up ratchet.

Be sure to release the wind-up in a safe and controlled manner.

Types Of Torque Multiplier

1. Planetary Torque Multiplier
This model is one of the most common, as it uses a set of internal gears that distribute force evenly. It ensures high efficiency and is ideal for applications with high torque and continuous professional use.
2. Single-Stage Torque Multiplier
It has only one reduction ratio and is more compact. It is suitable for fast work requiring moderate force. It is commonly used in light maintenance services and commercial vehicles.
3. Multi-Stage Torque Multiplier
Uses two or more consecutive reductions to generate much higher torque. It is more robust and voluminous, suitable for large nuts and demanding tightening applications in trucks, agricultural or industrial machinery.
4. Angular Or Right Angle Torque Multiplier
It has gears that allow the angle of force application to be changed, facilitating access to tight spaces or areas with obstacles. It is very useful in motors and compartments with limited space.
5. Wheel Torque Multiplier Wrench
This is a specific type of gear reducer used with wheel wrenches for heavy vehicles. It has extension arms and connections adapted for wheel hubs.
6. Clutch Torque Multiplier
This is a specialized tool for hydraulic or mechanical systems to facilitate the assembly and disassembly of clutch components. It allows controlled torque to be applied without excessive effort.

Safety Considerations When Using a Torque Multiplier

Safety is of primary importance when using a torque multiplier and it's essential that users familiarise themselves with the safety precautions of the tool. To stay safe, you should do the following:

01/

Always read the operator's manual before use and be sure to wear eye protection, steel toe boots and gloves when operating the torque multiplier tool.

02/

Regularly inspect all parts for damage or deterioration.
Ensure all connections are secure, check bolt size, ensure appropriate nuts and washers are used, and ensure that there is an appropriate working angle in relation to the tolerance range provided by your torque multiplier manufacturer.

03/

Do not overload – Check that you do not go pass the tools stated capacity for input torque.

04/

Pay special attention to any warning signs on your torque multiplier during operation and cease work immediately if you notice heat, smell gas or fumes, hear abnormal noises or experience out of balance vibration.

05/

If damage is noted, reach out to your manufacturer's service or technical support department for further advice.

06/

By following these tips you can ensure that your torque multiplier will function properly and safely every time.

Our Factory

Shandong Shengdingxin Precision Technology Co., Ltd. Isa professional fastening tool manufacturer in China with over 20 years experiences in this field. We have evolved from a small startup enterprise into a leader in China's fastening tool industry. With profound technical expertise, rigorous quality control, and professional service, we have earned widespread recognition in the market and customers' trust.

Our factory is located in the Jinan city, Shandong Province, occupying a vast area and equipped with modern production workshops and advanced manufacturing equipment. We have a strict production management system within the factory to ensure that every product meets the highest quality standards. Additionally, we have a team of highly skilled and experienced production team who could promise our quality and provide professional tech support.

Our factory has different product lines, such as electric& battery rebar connecting wrenches, right-angle torque wrenches, electric torque& shear wrenches, manual torque & shear wrenches, torque multipliers, and torque wrench calibrators. These products could meet the needs of different industries and customers.

FAQ

Q: What is torque multilier?

A: A torque multiplier is a tool used to provide a mechanical advantage in applying torque to turn bolts, nuts or other items designed to be actuated by application of torque, particularly where there are relatively high torque requirements.

Q: Why use a torque multiplier?

A: • Safety: Use of long levers can be dangerous.Torque multipliers mean a reduction in the lever length or operator effort by a factor of 5, 25 or 125.
• Space limitation: The use of a long lever may be impossible due to the available space.
• Accuracy: Torque will be applied most accurately when it is applied smoothly and slowly.
Torque multipliers enable this by removing much of the physical effort from the tightening task.

Q: How to calculate a torque multiplier?

A: Divide the required torque by the 'multiplication factor' of the multiplier as stated on the calibration certificate inclu- ded with the multiplier. This gives the input torque. Note: Calibrated multipliers come with a unique calibration certificate which highlights the multipliers unique 'multiplication ratio.

Q: How to use 4 to 1 torque multiplier?

A: Review the torque multiplication factor for the individual model of torque multiplier, then set the wrench based on these specifications. For example, if the desired torque output is 400 lbf. ft and the multiplication factor for the multiplier is 4:1, then you would set the wrench to a torque input of 100 lbf.

Q: Can you use a torque multiplier to tighten?

A: Torque multipliers can reduce the lever length needed to loosen or tighten fasteners by a factor of 5, 25, or even 125 depending on the type of multiplier. Are especially useful for loosening stubborn bolts.

Q: Can you use a torque multiplier to loosen bolts?

A: A manual torque multiplier is designed to loosen and tighten things like large industrial bolts and other heavy-duty fasteners. It is hand operated and typically lightweight. A manual torque multiplier is especially useful on job sites where there is no power or electricity.

Q: How is torque multiplication achieved?

A: The multiplication factor is based on the speed difference between the turbine and impeller. At stall speed, the impeller is spinning at engine rpm and the turbine is stopped. This creates the greatest speed difference between the turbine and the impeller and therefore the maximum torque multiplication.

Q: Is a torque converter a torque multiplier?

A: A torque converter is a fluid-coupling device that also acts as a torque multiplier during initial acceleration. The torque converter consist of four primary components. Cover: The cover (also referred to as a front) is the outside half of the housing towards the engine side from the weld line.

Q: Can you use a drill on a torque multiplier?

A: Drill adapters are required for any use of non-impact power drills with an digital torque multiplier to prevent internal gear damage and maintain accuracy. Each kit comes with a drill adapter and 5/8 socket.

Q: How to calibrate a torque multiplier?

A: To calibrate torque multiplier, the laboratory has to apply known torque at the multiplier's input drive and measure the multiplied output torque at the multiplier's output drive as shown in schematic drawing in Fig.

Q: Why use a torque multiplier?

A: By reducing the amount of effort needed to tighten, a torque multiplier allows for slow and smooth application, ensuring more accurate torque levels, and preventing damage to sensitive components.

Q: What is the ratio of a torque multiplier?

A: Each stage of gearing increases the torque applied by a factor of 5, allowing to offer multipliers in ratios of 5:1, 25:1 and 125:1. In the planetary gear system, torque is applied to the input gear or 'Sun' gear. Three or four planet gears whose teeth are engaged with the sun gear and therefore rotate.

Q: How do you set a torque multiplier?

A: Read all instructions before use.
Maintain the tool according to the advice provided.
Refer to manual or specifications in order to obtain the required torque.
Set torque wrench to 1/25th of required torque.
Check the multiplier is rotating in required direction.
Choose a suitable reaction point.

Q: How does a 4:1 torque multiplier work?

A: Torque multipliers have a mechanical gear ratio which indicates the number of turns of the input tool to achieve one turn of the output. A so-called 4 to 1 multiplier, therefore, means that one turn of the input will result in 1/4 turn of the output; four input rotations will result in one output turn.

Q: How accurate is a torque multiplier?

A: All gears rotate on needle roller bearings about hardened and ground journal pins.As a result, can be relied upon to have a torque multiplication accuracy of ±4%, throughout the operating range, taking the uncertainty out of high torque tightening.

Q: What is the limit of accuracy of a torque wrench?

A: Every torque wrench operates within a given accuracy range, such as ±2-4% over 20% to 100% of full-scale. Imagine that a beam-type wrench has a 40-250 ft-lb range with an accuracy range of ±2-4% over 20% to 100% of full-scale.Mar 29, 2022

Q: What is the principle of torque multiplier?

A: Torque multipliers typically employ an epicyclic gear train having one or more stages. Each stage of gearing multiplies the torque applied. In epicyclic gear systems, torque is applied to the input gear or 'sun' gear. A number of planet gears are arranged around and engaged with this sun gear, and therefore rotate.

Q: What is the purpose of the torque multiplier?

A: A torque multiplier is a tool that provides mechanical assistance when loosening and tightening nuts. This tool is invaluable for seasoned professionals. It can be used for a wide variety of applications. Almost any item that can be moved through torque can be loosened with torque.

Q: Do torque multipliers require calibration?

A: Keeping your tools for torque control regularly calibrated means you have confidence in their output during a range of torque applications. Multipliers that are operating to specifications will contribute to operator efficiency and company productivity. This also means users expend less energy getting the job done.

Q: Are torque multipliers accurate?

A: Digital torque multipliers are available in various capacities as high as 40,000 ft·lbs (480,000 in·lbs) with accuracy of up to ±0.4% full-scale torque.

We're well-known as one of the leading torque multilier manufacturers and suppliers in China. Welcome to buy high quality torque multilier made in China here from our factory. For price consultation, contact us.