Tag Archives: worm gearbox

China Standard Declutchable Manual Override Worm Gearbox for Pneumatic Actuator Hand Operation Manual Side Handwheel gearbox engine

Product Description

Declutchable Manual Override Worm Gearbox For Pneumatic Actuator Hand Operation Manual Side Handwheel

Features

Compact and light weight
ISO 5211 mounting pattern
Machined gear teeth provide smoothest operation and longer life
High cycle life with low friction of all moving and sliding surfaces
Modular design provide the most efficient and effective solution to a full range of manual overriding requirements.
Protection grade IP65

Product Specification

Product Details Show

Product Processing Show

Product Packing

Product Application

Product Test Machine

Certificate

Contact Us

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Certification:	ISO, CE
Power Supply:	Manual
Power Source:	Manual
Temperature:	Ordinary Temperature
Connection:	Flange
Material:	Cast Iron

Samples:	US$ 50/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

gearbox

Common Problems with Gearboxes and How to Troubleshoot Them

Gearboxes can encounter various issues over time. Here are some common problems and troubleshooting steps:

Noise and Vibration: Excessive noise or vibration may indicate misalignment, worn gears, or insufficient lubrication. Check alignment, inspect gears for wear, and ensure proper lubrication.
Overheating: Overheating can be caused by high friction, inadequate lubrication, or overloading. Verify lubrication levels, reduce loads, and ensure proper ventilation.
Leakage: Oil leaks may result from worn seals or gaskets. Inspect and replace damaged seals, and ensure proper sealing.
Reduced Performance: Decreased performance could be due to worn gears, damaged bearings, or misalignment. Inspect components, replace damaged parts, and realign as needed.
Gear Wear and Tooth Damage: Wear on gear teeth can result from excessive loads or poor lubrication. Replace worn gears and ensure proper lubrication.
Shaft Misalignment: Shaft misalignment can lead to increased wear and noise. Realign shafts using precision measurement tools.
Lubrication Issues: Inadequate or contaminated lubrication can cause premature wear. Regularly check and replace lubricant, and use the correct type for your gearbox.
Bearing Failure: Bearing failure may result from overload, misalignment, or inadequate lubrication. Replace worn bearings and address underlying issues.
Seal Damage: Damaged seals can lead to leaks and contamination. Replace seals and ensure proper installation.
Gearbox Lockup: Gearbox lockup may occur due to foreign objects or damaged components. Disassemble and inspect the gearbox, removing any obstructions and replacing damaged parts.

Regular maintenance, proper lubrication, and timely troubleshooting are key to addressing gearbox problems and ensuring smooth operation.

China Standard Declutchable Manual Override Worm Gearbox for Pneumatic Actuator Hand Operation Manual Side Handwheel gearbox engine
editor by CX 2024-04-03

China Best Sales New Type Best Quality Nmrv Series Worm Gearbox with Good quality

Product Description

NEW NMRV REDUCTION WORM GEARBOX

TECHNICAL DATA AND FEATURE

1.Die cast aluminum housing,cubic structure,beautiful in appearance,samll valume,fine heat loss and fiexible mounting

2.The worm gear and the worm shaft adopt precision process and meshing to ensure the stable transmission,low temperature,low noise level,high efficiency and long service life.

3.Input and output parts are treated by smooth,and dustproof to increase the quality and its service life

4.high quality bergings and seals to prevent from oil leakage

Product Parameters

Model	NMRV SERIES
Single Stage	RV25-RV150
Ratio	7.5-100
Input Power	0.06KW-15KW
Output Speed	14-280rpm
Output Torque	5-1800Nm
Core parts	worm wheel,worm shaft
Core parts material	worm shaft:20 Cr Mn Ti,worm wheel:Nodular cast iron interal,9-4 copper external
Lubrication	RV30-90:synthetic oil, RV110-150:GN460-W mineral oil
Bearings	C&U

3.Applications:
Products are widely used in ceramic, glass, food, metallurgy, beer & drink, printing and dyeing, textile, petrochemical engineering, warehouse logistics, wood-working machine, environmental protection equipment, printing and packaging, pharmacy, and leather.

Our Advantages

HangZhouda Motors Factory Advantages.

Prompt Quotation.
Competitive Price
Guaranteed Quality
Timely Delivery.
100% Tested.
Sincere and Professional Service.
Outstanding Finishing Surface.
Strictly and Perfect Management is guaranteed for Production.
Specialized in Manufacturing and Supplying a wide range of Electric Motors since year 2002.
Have Rich Experience and Strong ability to Develop New Products.
Have Ability to Design the Products Based on Your Original Samples.

WHAT WE DO AT HangZhouDA
Stamping of lamination
Rotor die-casting
Winding and inserting -both manual and semi-automatically
Vacuum varnishing
Machining shaft, housing, end shields, etc^
Rotor balancing
Motor assembly
Painting – both wet paint and powder coating
Packing
Inspecting spare parts every processing
100% test after each process and final test before packing.
WHAT HangZhouDA CAN DO FOR CUSTOMERS
HangZhouda supplies standard products to customers.
HangZhouda supplies standard products under customers’ brands and packaging, etc
HangZhouda R&D department develops any new products together with the customers.
We Promise you all the time after you working with us for CHINAMFG Business.
Prompt Reply to Your Inquiry within 24 Hs during Working Days.
Long Life Time Products
Products One Year Guarantee from the Date of Sales.
Professional Service in Handling Your Goods in Daily Communications
Deliver Time about 15-20 days for Normal Models.
Deliver Time about 30 days for New Models CHINAMFG Receiving the New Samples.

Company Profile

HangZhouda Technology Co., Ltd. is a modern enterprise that integrates scientific research, production, sales, and service. The company has advanced production equipment, first-class testing equipment, professional R&D personnel, and an excellent management team. Multiple products have been patented. And it has 3 subsidiaries: HangZhouda Motor, HangZhouda Welding Machine, and HangZhouda Welding Materials.

The company’s motor products mainly include various series of products such as YBX3, YBX4, YE3, YE4, YBBP, YVF, YBF3, YSF3 three-phase motors, etc. The products have passed 3C certification, CE certification, IS09000-2015 quality management system certification, and have obtained QS production license, EX explosion-proof certificate, export product quality license, etc. The products are exported to both domestic and foreign markets.

The company implements a sustainable development strategy, upholds the business philosophy of “integrity, pragmatism, efficiency, and innovation”, always adheres to the policy of “people-oriented, quality wins”, and establishes a good corporate image with advanced equipment, scientific management, meticulous design, exquisite craftsmanship, and high-quality service. The company is based in the industry and dedicated to society with high standard product quality, discounted prices, and comprehensive and thoughtful services.

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Application:	Motor
Hardness:	Soft Tooth Surface
Installation:	Vertical Type
Layout:	Shunting
Gear Shape:	Conical – Cylindrical Gear
Step:	Single-Step

Customization:	Available \| Customized Request

gearbox

How to Choose the Right Gearbox for Your Machinery

Selecting the appropriate gearbox for your machinery involves careful consideration of several key factors. Here’s a step-by-step guide to help you make the right choice:

Identify Application Requirements: Understand the specific requirements of your machinery, including torque, speed, load, direction of rotation, and duty cycle.
Choose Gear Type: Determine the type of gears that best suit your needs, such as spur, helical, bevel, planetary, or others, based on factors like efficiency, noise level, and space constraints.
Calculate Gear Ratio: Calculate the required gear ratio to achieve the desired output speed and torque. Consider factors like input and output shaft speeds.
Select Gear Material: Choose appropriate gear materials based on factors like durability, wear resistance, and corrosion resistance. Common materials include steel, cast iron, and various alloys.
Consider Efficiency: Evaluate the gearbox’s efficiency and select one that meets your energy efficiency requirements.
Account for Load Conditions: Analyze the load conditions, such as constant or intermittent loads, shock loads, and starting and stopping frequencies.
Check Lubrication Requirements: Consider the lubrication needs of the gearbox and ensure proper lubrication for smooth operation and longevity.
Factor in Space Constraints: Consider the available space for installing the gearbox and choose a size that fits within your machinery.
Assess Environmental Conditions: Evaluate the operating environment, including temperature, humidity, and exposure to dust or corrosive substances.
Review Mounting Options: Determine the mounting options that work best for your machinery, such as foot-mounted, flange-mounted, or shaft-mounted gearboxes.
Consult with Experts: Seek advice from gearbox manufacturers or engineers to ensure you make an informed decision.

Choosing the right gearbox is crucial for achieving optimal machinery performance, longevity, and reliability.

China Best Sales New Type Best Quality Nmrv Series Worm Gearbox with Good quality
editor by CX 2024-03-10

China manufacturer China High Quality Gear Reducer Motor Nmrv Worm Gearbox manufacturer

Product Description

Why Choose Us

Product Details

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

Company Profile

Exhibition

Customized Service

Certificate&Honor

Customer Comments

FAQ

1. How to choose a gearbox which meets our requirement?
You can refer to our catalogue to choose the gearbox or we can help to choose when you provide
the technical information of required output torque, output speed and motor parameter etc.

2. What information shall we give before placing a purchase order?
a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor information etc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.

3. What industries are your gearboxes being used?
Our gearboxes are widely used in the areas of textile, food processing, beverage, chemical industry,
escalator,automatic storage equipment, metallurgy, tabacco, environmental protection, logistics and etc.

4. Do you sell motors?
We have stable motor suppliers who have been cooperating with us for a long-time. They can provide motors
with high quality.

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Application:	Motor, Machinery, Agricultural Machinery
Hardness:	Hardened Tooth Surface
Installation:	90 Degree
Layout:	Coaxial
Gear Shape:	Worm
Step:	Double-Step

Samples:	US$ 25/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

gearbox

Different Types of Gearboxes and Their Applications

There are several types of gearboxes, each designed for specific applications based on their characteristics and capabilities. Here are some common types and their applications:

Spur Gearbox: Spur gearboxes consist of parallel-shaft gears with straight teeth. They are simple and economical, suitable for low-speed and low-torque applications such as conveyors, machine tools, and clocks.
Helical Gearbox: Helical gearboxes have helical teeth that provide smoother and quieter operation compared to spur gears. They are used in various industries, including automotive, construction, and mining equipment.
Bevel Gearbox: Bevel gearboxes transmit power between non-parallel shafts. They are commonly used in vehicles, marine applications, and heavy machinery where changing the direction of motion is necessary.
Planetary Gearbox: Planetary gearboxes offer high torque density and compact size. They are used in robotics, automation, and precision machinery due to their efficiency and versatility.
Worm Gearbox: Worm gearboxes have a worm screw meshing with a gear wheel. They provide high reduction ratios and are used in applications like conveyor systems, elevators, and packaging equipment.
Cycloidal Gearbox: Cycloidal gearboxes use cams and pins for motion transmission, making them highly durable and shock-resistant. They find use in industrial machinery and robotics.
Spiral Bevel Gearbox: Spiral bevel gearboxes combine the advantages of bevel and helical gears, providing high efficiency and smooth operation. They are employed in vehicles, aircraft, and machine tools.

Each type of gearbox offers specific advantages suited to its application, enabling efficient power transmission and control in various industries.

China manufacturer China High Quality Gear Reducer Motor Nmrv Worm Gearbox manufacturer
editor by CX 2023-12-26

China Custom Good Quality Nmrv 075 090 110 Worm Gearbox best automatic gearbox

Product Description

Introduction of Worm Gearbox

1. Made of high-quality aluminum alloy or stainless steel, light in weight and non-rusting

2. Smooth in running and low in noise, can work long time in dreadful conditions

3. High in radiating efficiency

4. Good-looking in appearance, durable in service life and small in volume

5. Suitable for omni-bearing installation

6. Inch size and metric size are both available

Worm Gearbox Main Materials

1. Housing: Die-cast aluminum alloy(frame size 571-090); cast iron(frame size 110-150 )

2. Worm shaft: 20CrMnTi, carbonize heat treatment make the hardness of gear’s surface up to 56-62 HRC. Retain carburization layer’s thickness between 0.3 and 0.5mm after precise grinding

3. Worm wheel: Wearable tin bronze alloy
Detailed Specification

Type	Worm Gear Speed Reducer
Model	NMRV571-150
Ratio	5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100
Color	Blue/Silver or on customer request
Material	Housing: Aluminium alloy or cost iron
	Worm Gear: Copper-10-3#
	Worm: 20CrMn Ti with carburizing and quenching, surface harness is 56-62HRC
	Shaft: Chromium steel-45#
Lubricant	Synthetic&Mineral
Bearing	C&U bearing
Seal	KSK&SKF
Temperature	-3040ºC
IEC Flange	B5/B14
Rated Power	0.06KW~15KW
Application	Metallurgical machinery, food machinery, stage machinery,
	welding machinery, road machinery, amusement machines,
	packaging machinery, rubber and plastic machinery,
	environmental protection machinery, engineering machinery,
	construction machinery, machine tool industry,
	automotive industry, logistics and transportation and so on.

Mounting Method

NMRV	PAM	N	M	P	D
NMRV	IEC	N	M	P	5	7.5	10	15	20	25	30	40	50	60	80	100
571	56B14	50	65	80	9	9	9	9	9	–	9	9	9	9	–	–
030	63B5	95	115	140	11	11	11	11	11	11	11	11	11	–	–	–
	63B14	60	75	90
	56B5	80	100	120	9	9	9	9	9	9	9	9	9	9	9	–
	56B14	50	65	80
040	71B5	110	130	160	14	14	14	14	14	14	14	14	–	–	–	–
	71B14	70	85	105
	63B5	95	115	140	11	11	11	11	11	11	11	11	11	11	11	11
	63B14	60	75	90
	56B5	80	100	120	–	–	–	–	–	–	–	–		9	9	9
050	80B5	130	165	200	19	19	19	19	19	19	19	–	–	–	–	–
	80B14	80	100	120
	71B5	110	130	160	14	14	14	14	14	14	14	14	14	14	14	–
	71B14	70	85	105
	63B5	95	115	140	–	–	–	–	–	–	–	11	11	11	11	11
063	90B5	130	165	200	–	24	24	24	24	24	24	–	–	–	–	–
	90B14	95	115	140
	80B5	130	165	200	–	19	19	19	19	19	19	19	19	19	–	–
	80B14	80	100	120
	71B5	110	130	160	–	–	–	–	–	–	–	14	14	14	14	14
	71B14	70	85	105
075	100/112B5	180	215	250	–	28	28	28	–	–	–	–	–	–	–	–
	100/112B14	110	130	160
	90B5	130	165	200	–	24	24	24	24	24	24	24	–	–	–	–
	90B14	95	115	140
	80B5	130	165	200	–	–	–	–	19	19	19	19	19	19	19	19
	80B14	80	100	120
	71B5	110	130	160	–	–	–	–	–	–	–	–	14	14	14	14
090	100/112B5	180	215	250	–	28	28	28	28	28	28	–	–	–	–	–
	100/112B14	110	130	160
	90B5	130	165	200	–	24	24	24	24	24	24	24	24	24	–	–
	90B14	95	115	140
	80B5	130	165	200	–	–	–	–	–	–	–	19	19	19	19	19
	80B14	80	100	120
110	132B5	230	265	300	–	38	38	38	38	–	–	–	–	–	–	–
	100/112B5	180	215	250	–	28	28	28	28	28	28	28	28	28	–	–
	90B5	130	165	200	–	–	–	–	–	24	24	24	24	24	24	24
	80B5	130	165	200	–	–	–	–	–	–	–	–	–	–	19	19
130	132B5	230	265	300	–	38	38	38	38	38	38	38	–	–	–	–
	100/112B5	180	215	250	–	–	–	–	–	28	28	28	28	28	28	28
	90B5	130	165	200	–	–	–	–	–	–	–	–	–	–	24	24
150	160B5	250	300	350	–	42	42	42	42	42	–	–	–	–	–	–
	132B5	230	265	300	–	–	–	–	38	38	38	38	38	38	38	38
	100/112B5	180	215	250	–	–	–	–	–	–	–	–	–	28	28	28

FAQ

1 Q: What’s your MOQ for the gearbox?
A: 1unit is ok for sample testing

2 Q: What about your warranty for the gearbox?
A: One year.

3 Q: Do you provide OEM service with a customized logo?
A: Yes, we could do OEM orders, but we mainly focus on our own brand.

4 Q: How about your payment terms?
A: TT, western union, and PayPal. 100% payment in advance for orders less than $5,000. 30% deposit and balance before delivery for orders over $5,000.

5 Q: How about your packing?
A: Carton, Plywood case. If you need more, we can pack all goods with a pallet.

6 Q: What information should be given, if I buy from you?
A: Rated power, gearbox ratio, input speed, mounting position. More details, better!

7 Q: How do you deliver the gearbox?
A: We will compare and choose the most suitable ways of delivery by sea, air or express courier.

We hope you will enjoy cooperating with us.

Power Source:	AC DC Motor
Starting Mode:	Split-phase Single Phase Asynchronous Motor
Speed:	Low Speed
Function:	Change Drive Torque, Speed Changing, Speed Reducti
Model No.:	Nmrv075 090 110
Gear Ratio:	5~100

Samples:	US$ 15/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

gearbox

How to Choose the Right Gearbox for Your Machinery

Selecting the appropriate gearbox for your machinery involves careful consideration of several key factors. Here’s a step-by-step guide to help you make the right choice:

Identify Application Requirements: Understand the specific requirements of your machinery, including torque, speed, load, direction of rotation, and duty cycle.
Choose Gear Type: Determine the type of gears that best suit your needs, such as spur, helical, bevel, planetary, or others, based on factors like efficiency, noise level, and space constraints.
Calculate Gear Ratio: Calculate the required gear ratio to achieve the desired output speed and torque. Consider factors like input and output shaft speeds.
Select Gear Material: Choose appropriate gear materials based on factors like durability, wear resistance, and corrosion resistance. Common materials include steel, cast iron, and various alloys.
Consider Efficiency: Evaluate the gearbox’s efficiency and select one that meets your energy efficiency requirements.
Account for Load Conditions: Analyze the load conditions, such as constant or intermittent loads, shock loads, and starting and stopping frequencies.
Check Lubrication Requirements: Consider the lubrication needs of the gearbox and ensure proper lubrication for smooth operation and longevity.
Factor in Space Constraints: Consider the available space for installing the gearbox and choose a size that fits within your machinery.
Assess Environmental Conditions: Evaluate the operating environment, including temperature, humidity, and exposure to dust or corrosive substances.
Review Mounting Options: Determine the mounting options that work best for your machinery, such as foot-mounted, flange-mounted, or shaft-mounted gearboxes.
Consult with Experts: Seek advice from gearbox manufacturers or engineers to ensure you make an informed decision.

Choosing the right gearbox is crucial for achieving optimal machinery performance, longevity, and reliability.

China Custom Good Quality Nmrv 075 090 110 Worm Gearbox best automatic gearbox
editor by CX 2023-11-02

China OEM Aluminum Alloy Housing RV Series Worm Gearbox wholesaler

Product Description

Technical data list:

Type:	Worm Gear Speed Reducer
Model:	NMRV571–150
Ratio:	1:7.5,10,15,20,25,30,40,50,60,80,100
Color:	Blue/Silver Or On Customer Request
Material	Housing: Blue-Coloured Cast-Iron Worm Gear-Copper-10-3# Worm-20CrMn Ti with carburizing and quenching, surface harness is 56-62HRC Shaft-chromium steel-45#
Lubricant:	Synthetic&Mineral
Bearing:	C&U Bearing
Seal:	NAK SKF
Warranty:	-30-40°C
ICE FLANGE	80B5,90B5,100B5,112B5,132B5,160B5
Rated power:	0.06KW,0.12KW,0.25KW,0.75KW,1.5KW,3KW,5.5KW,7.5KW
Application	Metallurgical machinery, food machinery, stage machinery, welding machinery, road machinery, amusement machines, packaging machinery, Rubber and plastic machinery, environmental protection machinery ,engineering machinery, construction machinery, machine tool industry, automotive industry, logistics and transportation and so on

NMRV	PAM	N	M	P	D
	ICE				5	7.5	10	15	20	25	30	40	50	60	80	100
25	56B14	50	65	80	9	9	9	9	9		9	9	9	9
30	63B5	95	115	140	11	11	11	11	11	11	11	11	11
	63B14	60	75	90
	56B5	80	100	120	9	9	9	9	9	9	9	9	9	9	9
	56B14	50	65	80
40	71B5	110	130	160	14	14	14	14	14	14	14	14
	71B14	70	85	105
	63B5	95	115	140	11	11	11	11	11	11	11	11	11	11	11	11
	63B14	60	75	90
	56B5	80	100	120									9	9	9	9
50	80B5	130	165	200	19	19	19	19	19	19	19
	80B14	80	100	120
	71B5	110	130	160	14	14	14	14	14	14	14	14	14	14	14
	71B14	70	85	105
	63B5	95	115	140								11	11	11	11	11
63	90B5	130	165	200		24	24	24	24	24	24
	90B14	95	115	140
	80B5	130	165	200		19	19	19	19	19	19	19	19	19
	80B14	80	100	120
	71B5	110	130	160								14	14	14	14	14
	71B14	70	85	105
75	100/112B5	180	215	250		28	28	28
	100/112B14	110	130	150
	90B5	130	165	200		24	24	24	24	24	24	24
	90B14	95	115	140
	80B5	130	165	200					19	19	19	19	19	19	19	19
	80B14	80	100	120
	71B5	110	130	160									14	14	14	14
90	100/112B5	190	215	250		28	28	28	28	28	28
	100/112B14	110	130	160
	90B5	130	165	200		24	24	24	24	24	24	24	24	24
	90B14	95	115	140
	80B5	130	165	200								19	19	19	19	19
	80B14	80	100	120
110	132B5	230	265	300		38	38	38	38
	100/112B5	180	215	250		28	28	28	28	28	28	28	28	28
	90B5	130	165	200						24	24	24	24	24	24	24
	80B5	130	165	200											19	19
130	132B5	230	265	300		38	38	38	38	38	38	38
	100/112B5	180	215	250						28	28	28	28	28	28	28
	90B5	130	165	200											24	24
150	160B5	250	300	350		42	42	42	42	42
	132B5	230	265	250					38	38	38	38	38	38
	100/112B5	180	215	200									28	28	28	28

Components:

1. Housing: Die-cast Aluminum Alloy Gearbox (RV571~RV090)
Cast Iron Gearbox (RV110~RV150)
2. Worm Wheel: Wearable Tin Bronze Alloy, Aluminum Bronze Alloy
3. Worm Shaft: 20Cr Steel, carburizing, quenching, grinding, surface hardness 56-62HRC, 0.3-0.5mm remaining carburized layer after precise grinding
4. Input Configurations:
Equipped with Electric Motors (AC Motor, Brake Motor, DC Motor, Servo Motor)
IEC-normalized Motor Flange
Solid Shaft Input
Worm Shaft Tail Extension Input

5. Output Configurations: Keyed Hollow Shaft Output
Hollow Shaft with Output Flange
Plug-in CHINAMFG Shaft Output
6. Spare Parts: Worm Shaft Tail Extension, Single Output Shaft, Double Output Shaft, Output Flange, Torque Arm, Dust Cover
7. Gearbox Painting:
Aluminum Alloy Gearbox:
After Shot Blasting, Anticorrosion Treatment and Phosphating, Paint with the Color of RAL 5571 Gentian Blue or RAL 7035 Light Grey
Cast Iron Gearbox:
After Painting with Red Antirust Paint, Paint with the Color of RAL 5571 Gentian Blue

Workshop show

FAQ

Q1. What is your terms of packing?
A: Generally, we pack our goods in single color box. If you have special request about packing, pls negotiate with us in advance, we can pack the goods as your request.

Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages
before you pay the balance. Other payments terms, pls negotiate with us in advance, we can discuss.

Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF.

Q4. How about your delivery time?
A: Generally, it will take 25 to 30 days after receiving your advance payment. The specific delivery time depends
on the items and the quantity of your order.

Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and
the courier cost.We welcome sample order.

Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery

Q8: How do you make our business long-term and good relationship?
1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them,
no matter where they come from.

Application:	Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery
Function:	Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout:	Coaxial
Hardness:	Hardened Tooth Surface
Installation:	Torque Arm Type
Step:	Single-Step

Samples:	US$ 20/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

gearbox

Benefits of Regular Gearbox Maintenance

Regular maintenance of gearboxes offers numerous advantages:

Extended Lifespan: Proper maintenance helps prevent premature wear and breakdown, increasing the gearbox’s overall lifespan.
Reduced Downtime: Regular inspections and maintenance can identify issues early, minimizing unplanned downtime for repairs.
Improved Efficiency: Well-maintained gearboxes operate more efficiently, leading to energy savings and optimized performance.
Cost Savings: Routine maintenance reduces the need for costly major repairs or replacements.
Enhanced Safety: Regular maintenance ensures safe operation by addressing potential hazards and malfunctions.
Optimal Performance: Properly maintained gearboxes deliver consistent and reliable performance for machinery and equipment.
Preserved Functionality: Maintenance prevents issues that could lead to reduced functionality or complete failure.
Reduced Environmental Impact: Well-maintained gearboxes consume less energy and minimize waste, contributing to sustainability efforts.
Compliance: Regular maintenance helps meet industry regulations and standards for equipment safety and performance.

Implementing a proactive maintenance plan can provide these benefits and contribute to the overall success of your machinery and operations.

China OEM Aluminum Alloy Housing RV Series Worm Gearbox wholesaler
editor by CX 2023-10-25

China best Quick Response Warm Nmrv 030 Worm Wheel 1: 100 Ratio Reduction Gear Motor Gearbox bevel gearbox

Product Description

Specification

Type	Worm Gearbox/Worm Gear Speed Reducer
Model	NMRV:571,030,040,050,063,075,090,110,130,150
Center distance	25-150mm
Ratio	5,7.5,10,15,20,25,30,40,50,60,80,100
Torque	1.8-1800Nm
Motor	2 pole, 4 pole, 6 pole
Mounting position	Omnidirectional
Color	Blue/Silver grey Or On request
Material	NMRV571~090:Aluminum alloy; NMRV110~150 Cast iron

Product Description

Worm Gear Speed Reducer.

Worm gear speed reducers are popular for their flexibility and efficiency, because they can show the best deceleration capacity in the smallest space and are typically applied in transmissions with low speed and high torque.
The worm speed reducer can also be easily mounted with various accessories like torque arms, different types of flanges, shafts and so on.
We attach much importance to the details of the products. The housing of our worm gearbox is made of aluminum alloy or cast iron,the worm is made of carburized 20Cr, and the suppliers of raw materials are rigorously screened, thus to ensure our products are of high quality, long service life and low noise.
Sihai is a professional manufacturer of speed reducers that can provide you with both single-stage worm gear reducer and two-stage worm gear reducer, as well as customized gearboxes according to your requirement.

Details

Multiple inputs and outputs

00:00

FAQ

Q1.How to choose a gearbox which meets our requirement?

A1. You can provide the technical information of output speed,motor power,motor parameter,output torque,equipment connection mode etc.Or,you can refer to our catalogue and confirm with me.

Q2. How is your price? Can you offer any discount?
A2: We will give the best price we can base on your needs and the quantities.

Q3. Do you offer any visiting?
A3: Yes! Welcome!Notify me in advance.

Q4. When is the best time to contact you?
A4: Any time, we will reply you as soon as possible.

Q5. How long will it take for the lead time?
A5: At the time we agreed

Application:	Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car, Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car, Motor, Machinery, Marine, Agricultural Machinery, Building Material Shops
Function:	Speed Changing, Speed Reduction, Speed Changing, Speed Reduction
Layout:	Gearbox, Gearbox
Hardness:	Gearbox, Gearbox
Installation:	Gearbox, Gearbox
Step:	Gearbox, Gearbox

Customization:	Available \| Customized Request

gearbox

Benefits of Regular Gearbox Maintenance

Regular maintenance of gearboxes offers numerous advantages:

Extended Lifespan: Proper maintenance helps prevent premature wear and breakdown, increasing the gearbox’s overall lifespan.
Reduced Downtime: Regular inspections and maintenance can identify issues early, minimizing unplanned downtime for repairs.
Improved Efficiency: Well-maintained gearboxes operate more efficiently, leading to energy savings and optimized performance.
Cost Savings: Routine maintenance reduces the need for costly major repairs or replacements.
Enhanced Safety: Regular maintenance ensures safe operation by addressing potential hazards and malfunctions.
Optimal Performance: Properly maintained gearboxes deliver consistent and reliable performance for machinery and equipment.
Preserved Functionality: Maintenance prevents issues that could lead to reduced functionality or complete failure.
Reduced Environmental Impact: Well-maintained gearboxes consume less energy and minimize waste, contributing to sustainability efforts.
Compliance: Regular maintenance helps meet industry regulations and standards for equipment safety and performance.

Implementing a proactive maintenance plan can provide these benefits and contribute to the overall success of your machinery and operations.

China best Quick Response Warm Nmrv 030 Worm Wheel 1: 100 Ratio Reduction Gear Motor Gearbox bevel gearbox
editor by CX 2023-10-25

China manufacturer Made in China IP67 Waterproof Worm Gearbox with Indicator with Hot selling

Product Description

Description

This is a right-angle rotating gear driver, using aluminum alloy precision die-casting shell, suitable for the cock of ball valve and butterfly valve, it is driven by worm gear and has self-locking function, and adopts tapered roller bearing to make The operation of the gearbox is more convenient and efficient. The stem nut can be made into a CHINAMFG or separate structure according to customer requirements, and the mounting flange adopts the ISO5211 international standard, so it can be more easily installed with the valve. The overall protection level can reach IP67, and for some special environments, it canalso be made into IP68 level.

NO.	Item	Material
1	Bolt	SS304
2	Pointer	ABS resin
3	Cover	Aluminium
4	O-Ring	NBR70
5	Pin	Steel black
6	Wom gear	Ductile iron
7	Rear seal	NBR 70
8	Body	Aluminium
9	Adjusting bolt	Steel black
10	Adjusting bolt gasket	SS304
11	Adjusting nut	SS304
12	Adjusting nut sheath	NBR 70
13	Bearing	Powder metallurgy
14	Worm	Carbon steel 45#
15	Front seal	NBR70
16	Rotating shaft	SS304
17	Hand wheel	Carbon steel polyster coating
18	Pin	Steel black

Model		HAM1(19070)	HAM2(19092)	HAM3(19102)	HAM4(19125)	HAM5(19140)
Technical-parameters
Ratio		40:01:00	37:01:00	36:01:00	36:01:00	50:01:00
Oitput torque(N.m)		180	300	540	675	1500
Stemdia,d(mm)		30	32	43	43	54
Mid-B-vaive(EPDM)DN		DN32-100	DN100-200	DN200-250	DN250-350	DN350-400
D-eccentric-B-valve(EPDM)DN
Weight(Kg)		1.2	2	2.8	4.8	11
Connection-size
Flange dia-D(mm)		80	100	120	142	175
PCD	D1(ISO5211)	50/70	70/90	70/102	102/125	102/125/140
PCD	D1(ISO5211)	4-M6X10/4-M8X12	4-M8X12/4-M10X12	4-M8X10/4-M10X15	4-M8X10/4-M12X18	4-M8X10/4-M16X24
S		8/9/11/14/17	9/1l/14/17	17/19/22	19/22/24	22/24/27
2-b		—	—	—	—	—
R(deep)		—	—	—	—	—
Appearance-size
L		115	130	150	180	220
L1		50	58	65	80	95
L2		42	50	60	60	78
H		48	58	58	74	84
H1		19	18	18	21	51
Handwheel	d1	20	20	20	20	25
	L3	160	160	215	225	325
	W	140	200	250	300	400

1. Question:What is your main products?

Answer:Our main products are Pneumatic Actuators, Electric Actuators, Actuated Valves And Valve actuators Accessories..

2. Question:Are you a trader or manufacturer ?

Answer: We are the pneumatic actuators and electric actuators manufacturer , we have ability to do the customization products with experienced team, And we have own factory and production line.

3. Question:How do your make the quality guarantee for actuators?

Answer:We have our own quality control system for incoming and outgoing of the materials, every product will be under controlled and tested before delivery to our customer , and we also provide 18 months guarantee ,beside we provide technical supporting .

4. Question:When can I receive the Price of valve actuators ?

Answer:We will give the Quotation Within 24 hours after we get your inquiry .Or Your can call or message us if it’s quite urgently.

5. Question:How to order our pneumatic actuators and electric actuators ?

Answer:Please send us your inquiry by Email, , etc. we need to know the following informations before giving the formal Quotation.
1) Product information in details, Quantity, Other requirements
2) Delivery time required

6. Question:How can I get a sample to check your quality?

Answer:Contact with our sales expert to arrange the sample delivery. Please send us the details of the sample before placing the order.

7. Question:Shall we pay the sample cost and transportation cost ?

Answer:We will provide the sample by free of charge. Your will bear the freight cost.

8. Question:How long to prepare the sample ?

Answer:Most of our products are under regular production and some of them we keep in stocks.

9. Question:How to delivery the sample to our place?

Answer:Your can provide your forwarders contacts if any, or we will arrange it for you.

10. Question:What about the delivery date if we place the formal order ?

Answer:Usually it takes 15~20days on the production .We know that on-time delivery is very crucial to our customers to meet dead-lines.
We monitor and expedite our supply chain to ensure that we delivery our products to our customers on-time all the time.

Application:	Motor
Function:	Change Drive Direction, Speed Changing
Layout:	Coaxial
Hardness:	Soft Tooth Surface
Installation:	Torque Arm Type
Step:	Double-Step

Samples:	US$ 50/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

gearbox

Steps to Replace a Faulty Gearbox in an Automobile

Replacing a faulty gearbox in an automobile is a complex task that requires proper tools, skills, and safety precautions. Here are the general steps involved in the process:

Prepare the Vehicle: Park the vehicle on a flat surface and engage the parking brake. Disconnect the battery to ensure safety during the procedure.
Drain Fluids: Drain the transmission fluid from the old gearbox into a suitable container.
Disconnect Components: Remove any components obstructing access to the gearbox, such as the driveshaft, exhaust system, and linkage.
Suspend the Engine: If necessary, use an engine hoist or support to suspend the engine safely.
Support the Gearbox: Use a transmission jack to support the weight of the gearbox.
Remove Gearbox: Detach the gearbox from the engine by removing bolts and disconnecting the clutch or torque converter.
Install New Gearbox: Position the new gearbox onto the engine and secure it in place with bolts.
Reconnect Components: Reattach the driveshaft, exhaust system, and linkage that were disconnected earlier.
Refill Fluids: Fill the new gearbox with the appropriate transmission fluid according to the manufacturer’s specifications.
Lower Engine: Carefully lower the engine back into its original position if it was suspended.
Test and Adjust: Start the vehicle and test the new gearbox for proper operation. Check for any leaks, unusual noises, or gear shifting issues.
Final Check: Double-check all connections and ensure that all components are properly secured.
Dispose of Old Fluid: Dispose of the old transmission fluid safely and responsibly.
Dispose of Old Gearbox: Properly dispose of the old gearbox according to local regulations.

It’s important to note that gearbox replacement can vary significantly depending on the vehicle’s make and model. It’s recommended to consult the vehicle’s service manual or seek professional assistance if you’re not experienced in automotive repair.

China manufacturer Made in China IP67 Waterproof Worm Gearbox with Indicator with Hot selling
editor by CX 2023-10-24

China Custom High-Efficiency Worm Gear Reducer Gearbox to Slow Down Construction Hoist Speed gearbox adjustment

Product Description

Worm gear and worm reducer is a kind of compact structure, large transmission ratio, under certain conditions has self-locking function of mechanical transmission.

Reducer:

We adopt advanced circle-arc tooth in worm and gear, which means load capacity is excellent and transmission efficiency is high.
We also adopt high-quality seal and take air test before delivery to ensure great sealing performance.
In the meantime, every reducer will be made a experiment of running in to make sure that they run smoothly with low noise.
The worm’s machining accuracy is high and has passed quality test by German Klingelnberg detector.

(Tell us transmission rate and type when ordering)

Reducing speed ratio (i)	Distance bctwccn two shafts(mm)	Input Speed (r/min)	Input efficicncy (KW)	Target input Torque (NM)	General Transmission efficiency(%)
8.25	125	1500	17.6	895	91
8.25	144	1500	25.6	1185	89
10	125	1500	14.9	890	90
10	144	1500	19.7	1130	88.3
12	125	1500	12.4	1068	89
12	144	1500	17.1	1088	88
14	125	1500	11.72	895	89.4
14	144	1500	16.33	1180	87
16	125	1500	11.6	1000	88
16	144	1500	15.56	1296	86
20	125	1500	9	1571	87
20	144	1500	12.46	1296	85
25	125	1500	6.9	930	84
25	144	1500	9.44	1234	83.5

The hollow shaft type worm gear reducer is not only has the characteristics above, and convenient installation and reasonable structure, get more and more widely used.

It is in the worm gear and worm reducer input with a helical gear reducer, consisting of multistage speed reducer can obtain very low output speed, than the single-stage worm gear deceleration machine has higher efficiency, and little vibration, low noise and energy consumption.

Our gearbox

1 larger loading capacity and compact dimension and higher efficiency and smoother and quieter functioning.

2.Longer service life.

3. higher strength and lighter weight

Loading capacity and efficiency

Application:	Motor, Machinery, Agricultural Machinery
Hardness:	Hardened Tooth Surface
Installation:	Vertical Type
Layout:	Expansion
Gear Shape:	Conical – Cylindrical Gear
Step:	Three-Step

Samples:	US$ 1/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

gearbox

How to Calculate Gear Ratio in a Gearbox

Gear ratio is a fundamental parameter in a gearbox that represents the ratio of the number of teeth between two gears. It determines how much the output gear rotates in relation to the input gear. The formula to calculate gear ratio is:

Gear Ratio (GR) = Number of Teeth on Output Gear / Number of Teeth on Input Gear

Here’s a step-by-step guide on how to calculate gear ratio:

Identify the input and output gears in the gearbox.
Count the number of teeth on the output gear (the gear connected to the output shaft).
Count the number of teeth on the input gear (the gear connected to the input shaft).
Plug the values into the gear ratio formula: GR = Number of Teeth on Output Gear / Number of Teeth on Input Gear.
Calculate the gear ratio by performing the division.

The gear ratio provides insight into how much the input gear needs to rotate to achieve a certain rotation of the output gear. It influences torque, speed, and direction of rotation in the gearbox.

China Custom High-Efficiency Worm Gear Reducer Gearbox to Slow Down Construction Hoist Speed gearbox adjustment
editor by CX 2023-10-23

China Custom De-Clutchable Worm Gear Box Manual Override Worm Gearbox Hdm Series gearbox drive shaft

Product Description

Description

^{HDM De-clutchable wormgear offers simple and reliable manual positioning of the valves, dampers and other quarter-turn devices when overriding existing pneumatic, electric or hydraulic quarter-turn actuators. All unit are suitable for both indoor and outdoor installation. The modular design is to provide the most efficient and effective solution to a full range of manual overriding requirements.}

Main Product features

To engage manual operation, first pull out the lock handle and then rotate the clutch lever in anti-clockwise direction until engagement takes place. To return to automatic mode, first pull out the lock handle and then rotate the clutch lever in clockwise.

Remark:The bottom center of the HDM-4 is either F10/F14 or F10/F12

New Manual Override

Countershaft

Valve Connection

Actuator Connection

4-M1

4-M2

4-Φ1

4-Φ2

HDM-1

Φ50

4-M6

Φ70

4-M8

70*70

Φ50

4-Φ6.5

Φ70

4-Φ8.5

HDM-2

Φ70

4-M8

Φ102

4-M10

95*95

Φ70

4-Φ8.5

Φ102

4-Φ10.5

HDM-3

Φ102

4-M10

Φ125

4-M12

114*114

Φ102

4-Φ10.5

Φ125

4-Φ12.5

HDM-4

Φ102

4-M10

Φ125

4-M12

129*129

Φ125

4-Φ12.5

Φ140

4-Φ16.5

HDM-5

Φ140

4-M16

156*156

Φ140

4-Φ17

Φ165

4-Φ21

HDM-6

Φ165

4-M20

160*160

Φ165

4-Φ22

New Manual Override	A	B	ΦC	F	T	Y	H	S	K	Ratio	Rated Input	Rated Onput
HDM-1	90	55	Φ88	115	44	145	120	53	10	26:1	Nm	250Nm
HDM-2	125	64	Φ110	135	62.5	178	133	56.5	13	28:1	Nm	450Nm
HDM-3	140	71	Φ129	166	70	212	180	68.7	12.5	38:1	Nm	700Nm
HDM-4	188.5	93	Φ174	202	94	280	195	84	15	54:1	Nm	1200Nm
HDM-5	222	110	Φ205	245	110	315	225	92	15	80:1	Nm	2000Nm
HDM-6	252	120	Φ275	280	125	320	252	102	15	78:1	Nm	3000Nm