Product Description

GEXIN NMRV SERIES REDUCER/GEAR BOX

Gexin Electromechanical Co.,Ltd.is a company specializing in the production and processing of asynchronous motors.
Its products mainly include Y, Y2 and IE2 series three phase Asynchronous motors, MS aluminum shell motors, YD series multi-speed motors, YCT series electromagnetic variable-speed motors, YVP variable-frequency and variable speed motors, YEJ electromagnetic braking three-phase asynchronous motors, YC/YCL and YL single-phase series motors, JY single-phase asynchronous motors and MY/ML aluminum shell single-phase asynchronous motors. It has a strong R&D team, and the motor produced by the company is brand new, with national standard stator and rotor and all copper. Product 3c certification, strict technology, each processed part has passed the incoming QC, and the manufacturing process inspection. With rich production experience and advanced production equipment, the company has established long-term cooperative relations with many enterprises with strong strength, reasonable price and high-quality service. Business is sincere, and being the first person in business is our aim.
 

Product Description

Type	Worm Gear Speed Reducer/ gearbox
Model	WMRV 25/30/40/50/63/75/90/110/130/150/185
Ratio	7.5,10,15,20,25,30,40,50,60,80,100.
Color	Blue(RAL5571)/Silver grey (K9149) Or On Customer Request
Material	Housing: Aluminum alloy(size 25~90) / Cast iron(size 110~185)
	Worm wheel: Aluminum Bronze or Tin Bronze
	Worm shaft: 20CrMn Ti
	Output Shaft: steel-45#
Packing	Carton, Honey Comb Carton, Wooden Case with wooden pallet
Warranty	1 Year
Input Power	0.09kw,0.18kw,1.1KW,1.5KW,2.2KW,3KW,4KW,5.5KW,7.5KW,11Kw and so on.
Usages	Industrial Machine: Food Stuff, Ceramics, CHEMICAL, Packing, Dyeing,Wood working, Glass.
IEC Flange	IEC standard flange or on customer request
Lubricant	Synthetic oil or worm gear oil
Protection Class	IP55

Exploded View

 

Product Parameters

 

 

 

 

Motor Flange						The Hole Diameter of Shaft
PAM IEC	N	M	P	E	F	Transmission Ratio
						7.5	10	15	20	25	30	40	50	60	80	100
NMRV571	56B14	50	65	80	3	10.4	9				–	9				–
NMRV030	63B5	95	115	140	4	12.8	11								–
	63B14	60	75	90
	56B5	80	100	120	3	10.4	9										–
	56B14	50	65	80
NMRV040	71B5	110	130	160	5	16.3	14							–
	71B14	70	85	105
	63B5	95	115	140	4	12.8	11
	63B14	60	75	90
	56B5	80	100	120	3	10.4	–							9
NMRV050	80B5	130	165	200	6	21.8	19						–
	80B14	80	100	120
	71B5	110	130	160	5	16.3	14										–
	71B14	70	85	105
	63B5	95	115	140	4	12.8	–						11
NMRV063	90B5	130	165	200	8	27.3	24						–
	90B14	95	115	140
	80B5	130	165	200	6	21.8	19									–
	80B14	80	100	120
	71B5	110	130	160	5	16.3	–						14
	71B14	70	85	105
NMRV075	100/112B5	180	215	250	8	31.3	28			–
	100/112B14	110	130	160
	90B5	130	165	200	8	27.3	24							–
	90B14	95	115	140
	80B5	130	165	200	6	21.8	–			19
	80B14	80	100	120
NMRV090	100/112B5	180	215	250	8	31.3	28						–
	100/112B14	110	130	160
	90B5	130	165	200	8	27.3	24									–
	90B14	95	115	140
	80B5	130	165	200	6	21.8	–						19
	80B14	80	100	120
NMRV110	132B5	230	265	300	10	41.1	38				–
	100/112B5	180	215	250	8	31.3	28									–
	90B5	130	165	200	8	27.3	–				24
NMRV130	132B5	230	265	300	10	41.1	38							–
	100/112B5	180	215	250	8	31.3	–				28
NMRV150	160B5	250	300	350	12	45.3	42
	132B5	230	265	300	10	41.3	–			38							–
	100/112B5	180	215	250	8	31.3	–								28

 

Installation Instructions

 

Detailed Photos

 

 

Advantage

* 100% Copper wire,100%  Power Output;
* 100% test after each process and final test before packing.
* 20Years Manufacture Experience;
*  Single Phase Motors are with centrifugal switch ,which are suitable for high start torque application like     air compressor,fans,pumps and so on;
* Energy saving;
* Superior Life;
* Quiet Operation;
* Easy maintance;
* Be made of selected quality materals.latest design in entirety;
*OEM Service 
*CE/ISO Approved 
*20-30days lead time
Quality Assurance:
1 year quality warranty and fast after-sales service.

 

 

 

Gexin Electromechanical Co., Ltd., 
^{We have 150 employees, an annual output value of $1800w and an area of 26000sqm.}

 

Foreign Exhibition

FAQ

1: Are you a factory or just a trading company?

A1: Manufacturer,and we focus on the development and production of electric motors for more than 20 years.

 

Q2: Is customized service available?

A2: Of course, OEM & ODM both are available.

 

Q3: How can I get the quotation?

A3: Leave us message with your purchase requirements and we will reply you within 1 hour on working time. And you may contact us directly by Trade Manager.

 

Q4:Can I buy 1 as sample?

A4: Yes, of course.

 

Q5: How about your quality control?

A5: Our professional QC will check the quality during the production and do the quality test before shipment.

Q6: What is your payment term?

A6: 30% T/T in advance, 70% balance when receiving B/L copy Or 100% irrevocable L/C at sight.
 

Q7: What is your lead time?

A7: About 20-30 days after receiving advance deposit or original L/C.
 

Q8: What certificates do you have?

A8: We have CE, ISO. And we can apply for specific certificate for different country such as SONCAP for Nigeria, COI for Iran, SASO for Saudi Arabia, etc.
 

Q9: What warranty do you provide?

A9: One year, during the guarantee period, we will supply freely of the easy damaged parts for the possible problems except for the incorrect operation. After expiration, we supply cost spare parts for alternator maintenance.

 

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Calculating Gear Ratio in a Worm Reducer

The gear ratio in a worm reducer is determined by the number of teeth on the worm wheel (also known as the worm gear) and the number of threads on the worm shaft. The gear ratio formula for a worm reducer is:

Gear Ratio = Number of Teeth on Worm Wheel / Number of Threads on Worm Shaft

For example, if the worm wheel has 60 teeth and the worm shaft has a single thread, the gear ratio would be 60:1.

It’s important to note that worm reducers have an inherent self-locking property due to the angle of the worm threads. As a result, the gear ratio also affects the mechanical advantage and the system’s ability to resist backdriving.

When calculating the gear ratio, ensure that the worm reducer is properly designed and that the gear ratio aligns with the desired mechanical characteristics for your application. Additionally, consider factors such as efficiency, load capacity, and speed limitations when selecting a gear ratio for a worm reducer.

Materials Used for Worm Gears

Worm gears are manufactured using a variety of materials to meet different application requirements. Some commonly used materials for worm gears include:

• Steel: Steel is a popular choice for worm gears due to its strength, durability, and wear resistance. It can handle heavy loads and is often used in industrial applications.
• Bronze: Bronze offers good lubricity and is commonly used for the worm gear (worm) component. It provides effective wear resistance and works well in applications where quiet operation is essential.
• Cast Iron: Cast iron is known for its high strength and durability. It’s often used for worm gears in applications where shock loads or heavy-duty conditions are expected.
• Aluminum: Aluminum worm gears are lightweight and corrosion-resistant, making them suitable for applications where weight reduction is important.
• Plastic: Some worm gears are made from plastic materials such as nylon or acetal. These materials are often chosen for their self-lubricating properties and quiet operation.
• Composite Materials: Composite materials can offer a combination of properties, such as lightweight construction and corrosion resistance. They can be suitable for specific applications.

The choice of material depends on factors such as the application’s load, speed, operating environment, and required performance characteristics. It’s important to consider these factors when selecting the appropriate material for worm gears to ensure optimal performance and longevity.

How to Select the Right Worm Gearbox for Your Application

Selecting the right worm gearbox for your application involves careful consideration of various factors:

• Load Requirements: Determine the torque and load requirements of your application to ensure the selected gearbox can handle the load without compromising performance.
• Speed Reduction: Calculate the required gear reduction ratio to achieve the desired output speed. Worm gearboxes are known for high reduction ratios.
• Efficiency: Consider the gearbox’s efficiency, as worm gearboxes typically have lower efficiency due to the sliding action. Evaluate whether the efficiency meets your application’s needs.
• Space Constraints: Assess the available space for the gearbox. Worm gearboxes have a compact design, making them suitable for applications with limited space.
• Mounting Options: Determine the mounting orientation and configuration that best suits your application.
• Operating Environment: Consider factors such as temperature, humidity, and exposure to contaminants. Choose a gearbox with appropriate seals and materials to withstand the environment.
• Backlash: Evaluate the acceptable level of backlash in your application. Worm gearboxes may exhibit more backlash compared to other gear types.
• Self-Locking: If self-locking capability is required, confirm that the selected gearbox can prevent reverse motion without the need for external braking mechanisms.
• Maintenance: Consider the maintenance requirements of the gearbox. Some worm gearboxes require periodic lubrication and maintenance to ensure proper functioning.
• Cost: Balance the features and performance of the gearbox with the overall cost to ensure it aligns with your budget.

Consult with gearbox manufacturers or experts to get recommendations tailored to your specific application. Testing and simulations can also help validate the suitability of a particular gearbox for your needs.

editor by lmc 2024-11-28