Your Professional Cylindrical Gear Reducer Supplier
Founded in February 2023,Shandong Guode Transmission Equipment Co., Ltd. is a professional manufacturer specializing in transmission equipment and mining machinery solutions. Located in Boshan District, Zibo City, Shandong Province, our factory covers approximately 5,000 square meters and integrates R&D, production, assembly, warehousing, and office operations. Supported by an experienced technical and production team, we operate complete manufacturing lines for gear reducers, gearboxes, transmission cases, and mining machinery components. Our facility is equipped with machining, assembly, and testing equipment to ensure stable product quality and efficient production. With a focus on reliability, standardized manufacturing, and customer-oriented service, we are committed to providing dependable transmission solutions for global industrial customers.
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![ZQ Series Cylindrical Gear Reducers]()
ZQ Series Cylindrical Gear ReducersZQ Series cylindrical gear reducers are designed for heavy-duty power transmission with stable torque output and long service life. Featuring hardened gears and robust housing, they provide reliable -
![ZD Series Cylindrical Gear Reducers]()
ZD Series Cylindrical Gear ReducersZD Series cylindrical gear reducers are designed for stable power transmission, compact structure, and high efficiency. With precision-machined gears and a rigid housing, they deliver reliable torque -
![ZQH Series Cylindrical Gear Reducers]()
ZQH Series Cylindrical Gear ReducersZQ and ZQH cylindrical gear reducers are widely used in conveyor systems and heavy industrial transmission. While they share a similar structural concept, their performance characteristics and
Why choose us
Sales Market
Our products have been exported to over 20 countries and regions; leveraging our extensive experience in international trade and cross-border delivery, we are able to respond rapidly to the diverse needs of different markets.
Professional Technical Team
Our experienced engineering and production team is skilled in transmission equipment manufacturing and committed to providing reliable products and responsive technical support.
Strict Quality Control
All products are inspected according to national and industry standards before delivery, and each shipment is accompanied by inspection reports and related technical documentation.
Customized
We support customized production according to customer drawings, technical specifications, and application requirements, helping clients achieve suitable transmission solutions for different industries.
Cylindrical Gear Reducer
The ZQseries reducer is a cylindrical gear reducer and a two-stage cylindrical gear drive. Widely used in lifting machinery, mining machinery and general chemical industry, its working temperature is -40C ° ~ +45C °, the input speed is not higher than 1500 rpm, the gear drive peripheral speed must not exceed 4 m / s, It can be operated in both forward and reverse directions. The reducer being applied to right to and reverse direction 9 transmission ratio, 9 installing mode and 3 low-speed axle edge type.
|
Model |
ZQ250 |
ZQ350 |
ZQ400 |
ZQ500 |
ZQ650 |
ZQ750 |
ZQ850 |
ZQ1000 |
||
|
Center Distance(mm) |
A |
250 |
350 |
400 |
500 |
650 |
750 |
850 |
1000 |
|
|
a1 |
100 |
150 |
150 |
200 |
250 |
300 |
350 |
400 |
||
|
a2 |
150 |
200 |
250 |
300 |
400 |
450 |
500 |
600 |
||
|
Center High |
H0 |
160-1 |
20-1 |
250-1 |
300-1.5 |
320-1.5 |
320-1.5 |
400-1.5 |
400-1.5 |
|
|
Max Outsize Size |
L |
540 |
730 |
825 |
990 |
1280 |
1450 |
1630 |
1900 |
|
|
B |
230 |
290 |
310 |
350 |
470 |
510 |
580 |
660 |
||
|
H |
325 |
405 |
490 |
590 |
700 |
745 |
875 |
965 |
||
|
Axie End Size |
High speed shaft |
B1 |
200 |
260 |
270 |
330 |
430 |
450 |
510 |
550 |
|
Low speed shaft |
B2 |
220 |
250 |
300 |
325 |
430 |
450 |
525 |
605 |
|
|
B3 |
164.5 |
214 |
234 |
270 |
342 |
362 |
403 |
507 |
||
|
L1 |
345 |
470 |
490 |
620 |
830 |
1020 |
1100 |
1350 |
||
|
L2 |
100 |
130 |
135 |
150 |
185 |
210 |
235 |
260 |
||
|
L3 |
– |
– |
– |
– |
495 |
620 |
620 |
870 |
||
|
B4 |
– |
– |
– |
– |
318 |
362 |
418 |
478 |
||
|
H1 |
|
|
|
|
95 |
135 |
105 |
200 |
||
|
|
20 |
25 |
25 |
25 |
35 |
35 |
38 |
40 |
||
|
Assembling Size |
c |
60 |
100 |
110 |
130 |
160 |
155 |
155 |
200 |
|
|
c1 |
28 |
40 |
80 |
80 |
85 |
55 |
75 |
100 |
||
|
Hole Distance |
S1 |
235 |
310 |
370 |
240 |
215 |
275 |
300 |
350 |
|
|
S2 |
190 |
250 |
270 |
310 |
410 |
450 |
520 |
590 |
||
|
Hole Count n |
4 |
4 |
4 |
6 |
8 |
8 |
8 |
8 |
||
|
Aperture d |
17 |
17 |
17 |
17 |
25 |
25 |
32 |
32 |
||
|
Weight(kg) |
100 |
200 |
250 |
390 |
880 |
1100 |
1500 |
2230 |
||
Types of ZQ Series Cylindrical Gear Reducers
ZQ Cylindrical Spur Gear Reducer
Featuring straight-cut teeth aligned parallel to the shaft axis, this type uses a parallel-axis configuration for consistent and reliable power transmission.
ZQ Cylindrical Helical Gear Reducer
Utilizes gears with angled teeth that engage gradually, resulting in smoother meshing and reduced operational noise.
ZQ Two-Stage Cylindrical Gear Reducer
Incorporates two sets of gears in series to achieve a higher reduction ratio, enabling greater speed reduction and torque multiplication.
ZQ Conical Cylindrical Gear Box
Combines helical gears with bevel (conical) gears to change the direction of power transmission, typically by 90 degrees.
Features of ZQ Series Cylindrical Gear Reducers
High efficiency
A cylindrical gearbox typically features up to 96% operational efficiency. The gearbox structure minimizes power losses during transmission. Reduction in losses translates to effective energy use, thus ensuring that the system runs smoothly even in high-gear ratio conditions.
Compact structure
Cylindrical gear reducers are designed to occupy minimum space. This is especially advantageous when space in a machine is a limiting factor. For example, when used in electric motor drives, there is limited space within the system. Though compact, they maintain effective power transmission and torque with reduction capabilities.
Torque multiplication
One of the main roles of a cylindrical gearbox reducer is to decrease output speed while raising torque. Resultant higher torque allows motors and other drives to deliver more power for heavy operations such as lifting or moving large tons of mechanical structures. They are widely used in industrial machinery elevators and conveyor systems.
Smooth operation
The gear teeth of a cylindrical gear are designed in such a way that it enables a smooth shifting process. This allows for low noise and vibration during operations applicable to most industrial and automotive applications. Hypoid variants are especially designed with smooth operations since their teeth form features are better suited for low-noise applications.
Versatility
A cylindrical gearbox reducer can be integrated into many applications ranging from electric motors to complex industrial machineries. Various industries have made usage of this reducer with automotive, manufacturing, and material handling being prominent ones. Moreover, there exists a wide variable range for the reduction ratios to ensure functionality in diverse applications.
Applications of ZQ Series Cylindrical Gear Reducers
Material Handling Systems
ZQ cylindrical gearboxes are integral to conveyor systems in mining, manufacturing, warehousing, and logistics operations. These environments require consistent and reliable movement of heavy or bulky materials over extended periods. The ZQ reducer provides precise speed reduction and significant torque multiplication, enabling smooth acceleration and steady operation even under peak load conditions.
Agitation and Mixing Systems
In chemical processing, pharmaceutical production, food & beverage, and wastewater treatment, uniform mixing is essential for product quality and process consistency. ZQ cylindrical reducers deliver the controlled rotational speeds and high starting torque required for agitators and mixers to blend viscous or heterogeneous materials effectively.
Elevator and Hoisting Systems
Safety and precision are paramount in vertical lifting applications such as construction hoists, crane systems, mine elevators, and maintenance platforms. ZQ gear reducers provide the necessary mechanical advantage to lift heavy loads smoothly and lower them with controlled deceleration, reducing the risk of sudden drops or jerking movements.
Industrial Fan and Blower Systems
Effective ventilation, cooling, drying, and gas movement are critical in industries such as pulp and paper, agriculture, power generation, and wastewater management. ZQ cylindrical gearboxes drive large industrial fans and blowers by providing consistent torque at reduced speeds, ensuring optimal airflow without overloading the moto.
Textile and Lubrication Machinery
In textile manufacturing—including spinning, weaving, dyeing, and finishing—precise speed control and synchronization are essential for maintaining fabric quality and production throughput. ZQ gear reducers ensure accurate speed regulation across multiple machine sections, minimizing thread breakage and enhancing product uniformity.
Gear: The reducer contains multi-stage cylindrical gears, which realize power transmission and deceleration through precise meshing.
Bearing: Support the rotation of the gears to reduce friction and wear.
Housing: Protect the internal mechanical parts and provide necessary lubrication and cooling.
The input shaft and output shaft: Connect the power source and load respectively to realize power input and output.
Coupling: Used to connect the input shaft and the power source. Common ones include cylindrical shaft extension (Z type), gear shaft extension (CA type) and Euler coupling type (F type).
Safety First: Always disconnect power sources and relieve mechanical tension before beginning installation. Remove belts, couplings, or sprockets connected to the old gearbox.
Mounting Alignment: Carefully position the new ZQ cylindrical gearbox, aligning the input shaft with the motor or drive shaft. Ensure the output shaft orientation matches the driven equipment’s requirements (horizontal, vertical, or angled).
Secure Fastening: Use calibrated torque wrenches to tighten mounting bolts according to manufacturer specifications. Uneven tightening can distort the housing and misalign internal components.
Final Verification: Reconnect all linkages, couplings, and guards. Conduct a no-load test run to check for unusual noise, vibration, or binding. Confirm proper rotation direction before full operation.
Maintenance
Frequent checks
Regular inspection helps identify leaks, wear, and damage. Such proactive measures ensure the reducer operates effectively. Catching anomalies as early as possible will reduce chances of complete failure.
Lubrication
Lubrication is essential for minimizing friction between the gears. It helps in reducing heat and consequently wear and tear. Therefore, one should check the lubricant levels and types on a regular basis. Remember to change them frequently, especially in high-load or harsh environment operations.
Heat monitoring
Excessive heat is a common danger that can damage the gear. Moreover, it degrades lubricants, causing production downtime. Users should monitor temperatures and ensure the gearbox reducer operates within a specified range.
Prevention of contamination
Contamination such as dirt or metal particles can easily find its way into the gearbox and affect lubricants. Once the reducer is contaminated, it spells disaster due to increased wear and tear. To avoid further disasters, it is important to routinely examine seals and filters to prevent contaminants from getting in.
FAQ
We're well-known as one of the leading cylindrical gear reducer manufacturers in China, featured by quality products and good service. Please rest assured to buy customized cylindrical gear reducer made in China here from our factory. Thank you for your interest in our products.
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