Product Description

HangZhou CHINAMFG Precision Industry Co.,Ltd

 

The company has owned IS0 9001 (International Quality Management) system certification, ISO14001 (International Environmental Management) system certification, IATF16949 (International Automotive Task Force) system certification and EN15085-2 (Railway applications-Welding of railway vehicles and components) system certification. We have an experienced management team and a group of high-quality talents. 

 

Our advantages are as below.

  1. Core Value: Integrity + Quality;
  2. Rich Experience: Since the year of 2001;
  3. Technical Engineer: 36 Staffs;
  4. Quality Engineer: 18 Staffs;
  5. Company Certificate: ISO 9001, ISO14001, ITAF 16949, EN 15085-2;
  6. Strong Capacity: Up to 100k pieces per day;

 

Factory Description and Service Content
PRODUCTION LINE:  Metal stamping, Laser cutting, Sheet metal, Welding, Spraying, Electrophoresis, Assembly.
MATERIAL:  Carbon steel, Stainless steel, Aluminum, Copper, Brass, Bronze, Customized.
PROCEDURES:  Blanking, Punching, Bending, Cutting, Milling, Dilling, Tapping, Riveting, Welding, Assembling, Packing.
TOLERANCE:  +/- 0.01mm
FINISH:  Powder, Spraying, Sand Blasting, Electroplating, Electrophoresis, Anodizing, Passivating, Customized.
COLOR:  Natural, Conversonial, Silver, Grey, Black, White, Red, Blue, Green, Yellow, Matte, Glossy, Customized.
SYSTEM CERTIFICATION:  ISO 9001, ISO 14001, ITAF 16949, EN 15085-2.
APPLICATION:  Automobile, Communication, Electrical, Electronics, Rail transit, Equipment manufacturing etc.
MOQ:  1,000 Pcs ~ 5,000 Pcs
MOULD COST:  500 USD ~ 5,000 USD
UNIT PRICE:  0.05 USD ~ 5.00 USD
PACKING:  Paper Bag, Plastic Bag, PE Bag, Carton Board, Carton Box, Plywood case, Wooden Case, Pallet.
MPQ:  50 Pcs ~ 200 Pcs
LEAD TIME:  15 Work Days ~ 25 Work Days
TRADE TERM:  EXW, FOB, CFR, CIF, DDU, DDP.
PAYMENT METHOD:  T/T, L/C, Western Union, Money Gram, PayPal, Ali Pay.

 

Workshop Inner View

System Certificate

 

Production Line View 

Metalworking products are very important component in industrial field, It is widely accepted for its stable performance and affordable price.
Especially in the field of Automobile, Communication, Electrical, Electronics, IT, Equipment Manufacturing, Rail Transit and Construction etc.

We committed to provide our customers with excellent products and cater to their demand solutions with lower costs and highly efficiency. Please feel free to contact us, we are looking CHINAMFG to our further cooperation. We treat every customer sincerely and take every project seriously.

 

 

FAQ:

1. Why business with CHINAMFG Precision Co., Ltd?
Our mission is to provide unparalleled product quality with very best prices for customer to be more competitive in their market, and to enhance their business growth.

2. Are the products available for selling from your Product Display Area?
All Products displayed were made before for other customers with their copy right. We only supply parts according to customer’s specific requirements or with samples offered other than prompt goods.

3. How to get your quotation?
Please provide your 2D / 3D drawings to us to evaluate for our exclusive price. All Products are manufactured to custom requirements and specifications.

4. What’s your production leadtime?
The delivery time is usually 15 ~ 25 days, but the actually time needs to be determined according to the drawings / samples provided.

5. How to guarantee the products quality?
We are ISO certified and will comply any quality level requirement for specific items. Additionally, our in-house team inspect and test random samples prior to shipment. Quality certification is available CHINAMFG request to our customers.

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Application: Fastener, Auto and Motorcycle Accessory, Hardware Tool, Machinery Accessory
Standard: GB, EN, API650, China GB Code, JIS Code, TEMA, ASME
Surface Treatment: Powder Coated Anodizing Spray Paint Passivating
Production Type: Mass Production
Machining Method: CNC Machining Turning Milling Stamping Extrusion
Material: Steel, Brass, Alloy, Copper, Aluminum, Iron
Samples:
US$ 90/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

China Hot selling Custom Precision Machining Fabrication Machinery Parts Core Air Shaft Gear Pin Coupling

pin coupling

What Are the Maintenance Requirements for Pin Couplings?

Pin couplings are known for their simplicity and ease of maintenance. Regular maintenance helps ensure the longevity and optimal performance of pin couplings in various mechanical systems. Here are the key maintenance requirements for pin couplings:

  • Lubrication: Most pin couplings require periodic lubrication to reduce friction between the pins and the coupling hubs. Lubrication helps prevent wear and corrosion, ensuring smooth operation.
  • Inspection: Regular visual inspections are essential to identify any signs of wear, misalignment, or damage. Inspecting the pins, coupling hubs, and surrounding components can help detect potential issues early on.
  • Torque Check: It is crucial to periodically check and retighten the bolts or screws that secure the coupling to the shafts. Loose fasteners can lead to misalignment and coupling failure.
  • Alignment: Proper shaft alignment is critical for the effective functioning of pin couplings. Regularly check and adjust the alignment if necessary to minimize wear and vibrations.
  • Environmental Protection: In harsh environments or corrosive conditions, take measures to protect the pin coupling from contaminants or chemicals that could cause damage.
  • Replacement of Worn Components: When any of the coupling components, such as pins or hubs, show signs of significant wear, they should be replaced promptly to prevent further damage.

It is important to follow the manufacturer’s maintenance guidelines and recommendations for the specific type of pin coupling used in the application. Regular maintenance not only ensures the smooth operation of the coupling but also helps prevent unexpected breakdowns and reduces the risk of costly downtime. Proper maintenance can extend the service life of pin couplings and contribute to the overall reliability of the connected equipment.

pin coupling

Usage of Pin Couplings in Applications with Varying Operating Temperatures

Pin couplings are versatile and can be used in a wide range of operating conditions, including applications with varying temperatures. The performance of pin couplings at different temperature levels depends on the materials used in their construction and the specific design features. Here’s how pin couplings handle varying operating temperatures:

1. Material Selection: Pin couplings can be manufactured using different materials, including steel, stainless steel, alloy steel, and various heat-treated materials. The choice of material depends on the application requirements and the temperature range the coupling will be subjected to. Some materials are suitable for high-temperature applications, while others are more suitable for low-temperature conditions.

2. Heat Dissipation: The simple and open design of pin couplings allows for efficient heat dissipation. As the coupling operates, any heat generated due to friction or other factors can easily dissipate into the surrounding environment. This helps in maintaining a stable operating temperature and prevents overheating of the coupling and connected equipment.

3. Lubrication: Proper lubrication is essential for the smooth operation of pin couplings, especially in applications with high temperatures. Lubricants help reduce friction and wear between the mating surfaces, ensuring that the coupling functions optimally even in elevated temperature conditions.

4. Thermal Expansion Considerations: Pin couplings must be designed with thermal expansion in mind. When the operating temperature increases, the materials may expand, and the coupling should have sufficient clearance or play to accommodate this expansion without causing binding or interference.

5. Temperature Limits: While pin couplings can handle a wide range of temperatures, there are limits to the extremes they can tolerate. Excessive heat can lead to degradation of the coupling material, premature wear, or reduced performance. It’s essential to choose a pin coupling that is rated for the specific temperature range of the application.

6. Insulation: In certain cases, pin couplings may need additional insulation to protect against extreme temperature variations or to prevent heat transfer to sensitive components nearby. Insulation can be achieved using materials with low thermal conductivity or by incorporating insulating coatings or barriers.

When selecting a pin coupling for an application with varying operating temperatures, it’s crucial to consider the specific temperature range, the type of materials used in the coupling’s construction, and any additional factors that may impact its performance. Following the manufacturer’s guidelines and ensuring proper maintenance will help ensure the pin coupling operates effectively and reliably across the expected temperature range.

pin coupling

Types of Pin Coupling Designs

Pin couplings, also known as shear pin couplings, come in various designs to suit different application requirements. The main types of pin coupling designs are as follows:

  1. 1. Single Pin Coupling: In this design, a single shear pin is used to connect the two shafts. The pin is placed in a hole that runs through both coupling halves. Under excessive torque or shock loads, the pin shears off, disconnecting the shafts and protecting the equipment from damage. Single pin couplings are commonly used in light to moderate-duty applications.
  2. 2. Double Pin Coupling: Double pin couplings use two shear pins that are positioned 180 degrees apart. This design provides increased torque capacity and improved balance compared to the single pin design. Double pin couplings are suitable for applications with higher torque requirements.
  3. 3. Triangular Pin Coupling: Triangular pin couplings use three pins arranged in a triangular pattern around the circumference of the coupling. This design offers even higher torque capacity and improved torsional stiffness. Triangular pin couplings are ideal for heavy-duty applications where higher torque and misalignment tolerance are essential.
  4. 4. Splined Pin Coupling: Splined pin couplings use splines instead of solid pins to transmit torque between the shafts. The splines provide a more secure connection and better torque transmission compared to solid pins. Splined pin couplings are commonly used in precision motion control applications.
  5. 5. Taper Pin Coupling: Taper pin couplings use tapered pins that wedge tightly into matching tapered holes in the coupling halves. This design offers excellent torque transmission and alignment capabilities. Taper pin couplings are often used in heavy machinery and power transmission systems.

Each type of pin coupling design has its advantages and limitations, and the selection depends on factors such as the application’s torque requirements, misalignment tolerance, and environmental conditions. It is essential to choose the right type of pin coupling to ensure optimal performance, reliability, and safety in the mechanical system.

China Hot selling Custom Precision Machining Fabrication Machinery Parts Core Air Shaft Gear Pin Coupling  China Hot selling Custom Precision Machining Fabrication Machinery Parts Core Air Shaft Gear Pin Coupling
editor by CX 2024-02-12