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JDLB Series: Precision Dual Lead Worm Gear Reducer

Because the JDLB precision dual lead worm gear reducer is an ideal substitute for the precision planetary reducer,

industrial automation, and other related fields can drastically reduce the application cost of using the precision planetary reducer. Besides, rotating the reducer 90 degrees to install the servo system becomes a reality. And the worm input can be driven in series by a servo motor to achieve the synchronic output of multiple worm gears. This product can be used with the processing equipment of electronic, communication, and other industries.

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JDLB Series: Precision Dual Lead Worm Gear Reducer

Backlash can reach 1 arc minute

The JDLB reducer is an ideal substitute for the precision planetary reducer,

so equipment manufacturers can drastically reduce the application cost of using the precision planetary reducer.

Application Scenarios

High-precision rotary motion

Reduce the vibration and noise caused by the load changes and cutting force changes。

Reduce the impact and noise caused by the forward and reverse rotation.

Reduce the aggravated wear of the worm gear caused by the above situation.

Increase the response speed of the worm gear output.
Precision Indexing Device

CNC machine tools, assembly lines, cutting machines, conveyor lines, etc.

Occasions that require accurate movement, such as indexing devices and reading devices
Speed changes

Reduce the impact and noise caused by the speed changes.

Reduce the aggravated wear of the worm gear caused by speed changes.

Features

The JDLB series precision dual lead worm gear reducer has six sizes: 45, 50, 55, 63, 75, 90. The left and right tooth flanks of the worm have different lead angles resulting in a gradual change in the thickness of the teeth so that the adjustment of the meshing gap is possible by moving the worm

-The worm gear backlash can be adjusted to less than 1 arc minute

-The meshing gap can be readjusted after the reducer is used

-The shaft coupling is used for the input: reliable and no backlash

-The tapered clamping ring coupling is used for output: reliable and backlash-free

JDLB Features

Servo worm gear units have six types 45 - 50 - 55 - 63 - 75 — 90 ,with dual lead womi drive Left and nght flank of worm shaft using different lead angle causing tooth thickness gradual changeSo that you can move worm shaft and adjust backlash。

Features：

-Worm gear gyration backlash can be adjusted to less than 1 arc。

-Reducer can be re-adjusted the gap after using。

-Inpul with coupling reliable without backlash。

-Output using conical clamping nng couplings: reliable without backlash。

The output ways of the JDLB series precision dual lead worm gear reducer

The JDLB reducer is an ideal substitute for the precision planetary reducer,

so equipment manufacturers can drastically reduce the application cost of using the precision planetary reducer.

Core Selling Points

Because the JDLB reducer is an ideal substitute for the precision planetary reducer,

equipment manufacturers can drastically reduce the application cost of using the precision planetary reducer.

Optimized contact surface

*The Advanced processing technology and precise assembly ensure the gear teeth properly mesh and the reduction of contact stress

*The specially developed copper alloy worm gears make the gear teeth have high strength and wear resistance

*The high-ratio contact of gear teeth assures the worm gear is not easy to wear and can keep the backlash lock for a long time
Maintenance-free

*The Lubricating oil is high-performance fully synthetic

*Fully enclosed structure& no need to change the lubricating oil
Optimized adjustment structure

* The backlash can be quickly set

* Good rigidity& High precision

* Patent structure design
Servo motors can be installed quickly

* High-rigidity and low-inertia shaft couplings for servo motors

* Various flanges mathced with servo motors
The worm gear is an enlarged tapered roller bearing

* Can withstand large axial loads

* Bearing preload installation provides higher rigidity support
The worm is an tapereed roller bearing

* Two tapered roller bearings mounted on one end for longer endurance

* Eliminate errors caused by thermal elongation of the worm

* Bearing preload installation provides higher rigidity support
Two types of output backlash

* Super precision: 1 arc minute for the high requirement occasion

* Precision: 2~4 arc minutes for the compromise between quality and price
The gearbox is formed by gravity casting

* It is cast from high strength aluminum alloy and then heat-treated

* Strong Rigidity&Light Weight

* Beautiful appearance and strong weather resistance

Application Scenarios

Selection Guides

The following information contains the principles of selecting reducers and the correct way to use them. For the specific value, please refer to the corresponding chapter

Output Torque

1.1 Rated Torque

The value is obtained when the torque acts on the smoothly running reducer and the working coefficient (fs) is equal to 1.

1.2 Actual Torque

Based on the actual needs, this value may be equal to or less than the rated torque (Mn2) of the reducer.

1.3 Torque Calculation

The Calculation of the formula below requires the actual torque(Mr2) and the working coefficient(fs). It is useful when selecting the reducer model.

Power

2.1 Rated Input Power

The power (kW) of the reducer in safe operation is listed in the parameter table. They are obtained when the speed is equal to n1, and the working coefficient (fs) is equal to 1.
2.2 Rated Output Power

The formula below can be used to calculate the output power of the reducer

Working Coefficient

3.1 Rated Torque

The working coefficient (fs) of the reducer mainly depends on its operating conditions. The following factors are significant to find the most suitable combination of the working environment coefficient

1.Load Classification:A-B-C

2. Running times: hours/day)

3.Boot frequency: times/hour

A:Balanced load

B:Moderate shock load

C:Heavy-duty load

f_a=J_e/J_m

Je(kgm²): Moment of Inertia decaying on the drive shaft

Jm(kgm²): Motor Inertia

If fa>10, please contact the technical service department系
A-Lightweight Screw Conveyor, Fan, Assembly Line, Lightweight Belt Conveyor, Small Mixer, Hoist, Cleaning Machine, Filling Machine, Controller。

B-winding device, woodworking machinery, cargo hoist, balancer, screw machine, substrate mixer, belt conveyors for heavy material, winch, automatic sliding door, scraper conveyor, packaging machine, concrete mixer, crane, grinding machine, coils machine, gear pump。

C-heavy material mixer, shearing machine, press machine, centrifuge, rotating support, heavy material winch and hoist, grinding machin, stone, elevator, drilling machine, hammer mill, cam press, folding machine, Conveyor belt, dump truck, vibrator, shredder

Joint the world, Drive the future

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JDLB Series: Precision Dual Lead Worm Gear Reducer

Because the JDLB precision dual lead worm gear reducer is an ideal substitute for the precision planetary reducer,

JDLB Series: Precision Dual Lead Worm Gear Reducer

Backlash can reach 1 arc minute

The JDLB reducer is an ideal substitute for the precision planetary reducer,

so equipment manufacturers can drastically reduce the application cost of using the precision planetary reducer.

High-precision rotary motion

Reduce the vibration and noise caused by the load changes and cutting force changes。

Reduce the impact and noise caused by the forward and reverse rotation.

Reduce the aggravated wear of the worm gear caused by the above situation.

Increase the response speed of the worm gear output.

Precision Indexing Device

CNC machine tools, assembly lines, cutting machines, conveyor lines, etc.

Occasions that require accurate movement, such as indexing devices and reading devices

Speed changes

Reduce the impact and noise caused by the speed changes.

Reduce the aggravated wear of the worm gear caused by speed changes.

The JDLB series precision dual lead worm gear reducer has six sizes: 45, 50, 55, 63, 75, 90. The left and right tooth flanks of the worm have different lead angles resulting in a gradual change in the thickness of the teeth so that the adjustment of the meshing gap is possible by moving the worm

-The worm gear backlash can be adjusted to less than 1 arc minute -The meshing gap can be readjusted after the reducer is used -The shaft coupling is used for the input: reliable and no backlash -The tapered clamping ring coupling is used for output: reliable and backlash-free

The following information contains the principles of selecting reducers and the correct way to use them. For the specific value, please refer to the corresponding chapter

Output Torque

1.1 Rated Torque

The value is obtained when the torque acts on the smoothly running reducer and the working coefficient (fs) is equal to 1.

1.2 Actual Torque

Based on the actual needs, this value may be equal to or less than the rated torque (Mn2) of the reducer.

1.3 Torque Calculation

The Calculation of the formula below requires the actual torque(Mr2) and the working coefficient(fs). It is useful when selecting the reducer model.

Power

2.1 Rated Input Power

The power (kW) of the reducer in safe operation is listed in the parameter table. They are obtained when the speed is equal to n1, and the working coefficient (fs) is equal to 1.

2.2 Rated Output Power

The formula below can be used to calculate the output power of the reducer

Working Coefficient

3.1 Rated Torque

The working coefficient (fs) of the reducer mainly depends on its operating conditions. The following factors are significant to find the most suitable combination of the working environment coefficient

1.Load Classification:A-B-C 2. Running times: hours/day) 3.Boot frequency: times/hour A:Balanced load B:Moderate shock load C:Heavy-duty load

fa=Je/Jm Je(kgm²): Moment of Inertia decaying on the drive shaft Jm(kgm²): Motor Inertia If fa>10, please contact the technical service department系

-The worm gear backlash can be adjusted to less than 1 arc minute

-The meshing gap can be readjusted after the reducer is used

-The shaft coupling is used for the input: reliable and no backlash

-The tapered clamping ring coupling is used for output: reliable and backlash-free

1.Load Classification:A-B-C

2. Running times: hours/day)

3.Boot frequency: times/hour

A:Balanced load

B:Moderate shock load

C:Heavy-duty load

f_a=J_e/J_m

Je(kgm²): Moment of Inertia decaying on the drive shaft

Jm(kgm²): Motor Inertia

If fa>10, please contact the technical service department系