Product Description

Large Aluminum Alloy Precision Machine Machinery Processing CNC Machining Parts
Features of CNC parts
1. Precision CNC parts strictly according to customers’ drawing,packing and quality request
2. Tolerance: Can be kept in +/-0.005mm
3. 100% inspection during production to ensure the quality
4. Experienced technology engineers and well trained workers
5. Fast and timely delivery. Speedy & professional service
6. Provide customer professional suggestion while in the process of customer designing to save cost.
7. Quality assurance in accordance with ISO9001

Material Stainless Steel SS201,SS303,SS304,SS316,SS416,SS420,17-4PH,SUS440C
Steel Q235,C20,C45(K1045),1214,1215
Brass C36000(C26800),C37700(HPb59),C38500(HPb58),C27200(CuZn37),C28000(CuZn40/H62),C3604
Bronze C51000, C52100, C54400,CuSn8
Aluminum AL2571,AL5754(Almg3),AL5083,AL6061,AL6063,AL5052,AL7075
Alloy Steel SCM435,10B21
Plastic PA6,PA66,PP,PC,POM,FR4,ABS,Acrylic
Others According to customers’ requirements

Processing CNC machining, CNC milling and turning, drilling, grinding, stamping, tapping,bending
Finish Anodizing ,Heat treatment, polishing, powder coating, galvanized, electroplating, spraying, and painting
Dimensions According to customer’s drawing
Tolerance ±0.005mm
Drawing Format PDF/JPEG/AI/PSD/CAD/Dwg/Step/LGS
MOQ Negotiable
QC Policy 100% inspection and random inspection before shipment, with QC passed label
Stardard Materials and surface treatment comply with RoHS/Reach Directives
Processing Equipments CNC machining center, CNC milling machine, Drilling machine,grinding machine, CNC machining Puncher,
Milling machine,CNC wire-cut machine,Charmfering machine;
Testing Equipments CMM, Projector, Pull Tester, Automatic Optical Inspector, Salt Spray Tester, Durometer, Tensile Machine
Calipers,
Application Automation machine, medical device, industrial machine, automobile, electric appliance, robot, computers, tele-communication,and other industries
Packaging PE bags or bubble bags, boxes, cartons, pallet or as per customers’ requirements
Trade Terms EXW, FOB, CIF, As per customers’ request
Payment Terms Paypal or Western Union for sample orders; Larger amount by T/T with 30% as deposit,70% before shipment
Delivery Time Within 15-20 working days after deposit or payment received
Shipping Ports FOB HangZhou

About us
HangZhou CHINAMFG Hardware Machinery Co., Ltd.specializes in machining all sorts of high precision machinery components, precision CNC metal and non-metal machining parts with various surface treatments, which apply to packaging machines, printing machines, assembly machinery, electronic packing facilities, metal processing facilities, food machinery and pharmaceutical industry, etc. We have been in CNC precision machining industry for over 10 years. We can manufacture all kinds of high precision machine parts with good quality and favorable prices.

The company has set up a special technology research and development department, and has an experienced and innovative technology research and development team. Provide professional services such as drawings, design, production samples, assembly and debugging for all customers. What makes CHINAMFG different, Machining Company is Qida, the label of excellent quality and high efficiency. Over the years, we have introduced a lot of high-tech equipment, such as four-axis CNC machining centers, which allow us to manufacture complex micro-machine precision parts faster than ever before.

Testing Equipment

1. Are you a direct manufacturer?
Yes, we are direct manufacturer. We have been in this domain since 2008. And if you want, we could chatting with you on video via Wechat/ Whatsapp/Messenger and any way you like to show you our plant.
2. How can you guarantee quality?
Always a pre-production sample before mass production;Always final Inspection before shipment;ALWAYS full-inspection we have.
3. What kind of service/products you provide?
1. Service of ODM&OEM/one -stop service/assembly; From mold design, mold making, machining, fabrication, welding, surface treatment, assembly, packing to shipping.
2. Automotive parts, bicycle parts, motorcycle parts, scooter parts, racing parts, audio products, medical equipment parts, electronic instruments parts, kitchen and bathroom products and other hardware parts.
3. Iron/stainless steel/aluminum/titanium/brass/bronze/steel alloys/hardened parts/any kind of precision parts you need.
4. Automatic lathe turning parts, milling parts, bending parts, welding parts, stamping parts. All kinds of hardware could be customized here, your precious contact is much welcomed!
4. Why should we buy from you not from other suppliers?

(1). We have own plant and 80% of staff(especially the technical staff) in our company have experience for over 20 years.

(2). We provide a competitive price.

(3). High precision, tolerance can be within + 0.005

(4). 10 years’ fabrication experience.

(5). Small order also is welcomed. M100

(6). We can also provide one-stop service, including mold and assembly.

(7). All your information is confidential, and we can CHINAMFG NDA as well.

5. How can I close my deal with you?
This is easy. Firstly, contact our consultant. our consultant will response you within 10 minutes. Secondly, you can provide drawings and the specification about your custom products to us. Thirdly, confirm the contract and pay, and we will start production. we will choose the best mode of transportation for you.
6.Are you available for customized design drawings?
Yes, DWG, DXF, DXW, IGES, STEP, PDF etc.
7. What’s the MOQ?
In general 100pcs, but can accept low quantity in special conditions.
8.What’s the leading time?
It depends on quantity, generally 7-20 days after order confirmation.
9. Can we know the production process without visiting the factory?
We will offer detailed production schedule and send weekly reports with digital pictures and videos which show the machining progress.

 

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sleeve coupling

Can Sleeve Couplings be Used in Corrosive or Harsh Environments without Compromising Performance?

Sleeve couplings can be used in corrosive or harsh environments, but their performance may be compromised if not properly selected or protected. The choice of materials and design features plays a crucial role in ensuring the coupling’s durability and performance in challenging conditions. Here’s how sleeve couplings can handle corrosive or harsh environments:

1. Material Selection: The selection of materials is crucial when considering sleeve couplings for corrosive environments. Stainless steel or corrosion-resistant alloys are commonly used to ensure the coupling’s resistance to corrosion. These materials have inherent properties that make them less susceptible to the damaging effects of chemicals, moisture, and harsh substances.

2. Coatings and Surface Treatments: Applying protective coatings or surface treatments to the coupling components can further enhance their resistance to corrosion. Coatings like zinc plating or special chemical treatments create a barrier that shields the coupling from corrosive agents.

3. Sealed and Enclosed Designs: In highly corrosive environments, sleeve couplings with sealed or enclosed designs can provide an additional layer of protection. Seals or covers prevent corrosive substances from reaching critical components, extending the coupling’s lifespan.

4. Regular Maintenance and Inspection: Performing regular maintenance and inspections are essential to ensure the coupling remains in optimal condition. Regular cleaning, lubrication, and inspection for signs of wear or corrosion help identify potential issues and prevent premature failure.

5. Custom Solutions: In some cases, custom-designed sleeve couplings may be necessary to address specific challenges posed by corrosive or harsh environments. Coupling manufacturers can work with engineers to develop tailored solutions that meet the application’s unique requirements.

It’s essential to consider the severity and duration of exposure to corrosive substances when choosing a sleeve coupling for harsh environments. In extremely aggressive conditions, special alloys or non-metallic materials may be required to ensure long-lasting performance.

In summary, sleeve couplings can be used in corrosive or harsh environments without compromising performance by selecting appropriate materials, using protective coatings, opting for sealed designs, performing regular maintenance, and considering custom solutions when necessary. Properly designed and maintained sleeve couplings can provide reliable and efficient power transmission in challenging industrial applications.

sleeve coupling

How do Sleeve Couplings Ensure Proper Torque Transmission and Minimize Power Loss?

Sleeve couplings ensure proper torque transmission and minimize power loss through their simple yet effective design. The key features that enable this are:

  • Frictional Grip: Sleeve couplings utilize frictional grip between the inner and outer sleeves to transmit torque. When the coupling is tightened around the shafts, the frictional forces ensure a solid connection, allowing torque to be efficiently transferred from one shaft to the other.
  • Tight Fit: Sleeve couplings are designed to have a tight fit around the shafts they connect. This close fit minimizes play or backlash, ensuring that the torque is transmitted accurately without any rotational lag.
  • Material Selection: The material used in the construction of sleeve couplings is chosen to optimize torque transmission and minimize power loss. Commonly used materials like steel or aluminum have excellent mechanical properties, providing high strength and rigidity, which contribute to efficient torque transfer.
  • Non-Slipping Design: The non-slipping design of sleeve couplings prevents relative movement between the shaft and the coupling during operation. This design feature ensures that the torque applied to one end of the coupling is instantaneously transferred to the other end without any energy loss due to slippage.
  • Torsional Flexibility: Sleeve couplings offer some degree of torsional flexibility, allowing them to accommodate small misalignments and angular deflections between the shafts. This flexibility helps prevent stress concentration and mechanical wear, further minimizing power losses.
  • Efficient Contact Area: The contact area between the shaft and the inner bore of the sleeve is maximized, providing an efficient torque transfer path. This ensures that the coupling can handle the rated torque without causing excessive stress on the shafts or coupling itself.

By combining these design features, sleeve couplings offer a reliable and efficient means of torque transmission. The absence of complex moving parts in sleeve couplings reduces friction and mechanical losses, resulting in minimal power loss during operation. Additionally, their simple design and ease of installation contribute to their overall efficiency and effectiveness in various mechanical power transmission applications.

sleeve coupling

Key Design Considerations for Using Sleeve Couplings in Motion Control Systems

When incorporating sleeve couplings into motion control systems, several important design considerations should be taken into account to ensure optimal performance and reliability:

  • Shaft Alignment: Proper shaft alignment is crucial for sleeve couplings to function effectively. Misalignment can lead to increased wear, vibration, and reduced efficiency. Ensuring the shafts are aligned within acceptable tolerances will maximize the coupling’s performance and lifespan.
  • Torque and Speed Ratings: Evaluate the motion control system’s torque and speed requirements to select a sleeve coupling that can handle the specified loads. Overloading the coupling can cause premature failure and compromise system performance.
  • Shaft Size and Fit: Ensure the sleeve coupling’s inner diameter matches the shafts’ outer diameter accurately. An improper fit may result in slippage or decreased torque transmission. The sleeve coupling’s size and fit should be carefully checked during installation.
  • Environmental Conditions: Consider the operating environment’s temperature, humidity, and exposure to dust or corrosive substances. Choose a sleeve coupling material that can withstand these conditions and resist degradation over time.
  • Dynamic Balance: Sleeve couplings should be dynamically balanced to minimize vibration during operation. Unbalanced couplings can lead to increased stress on connected equipment and may cause premature wear and failure.
  • Operating Speed: Be mindful of the motion control system’s operating speed. At high speeds, centrifugal forces may come into play, affecting the coupling’s performance. In such cases, using a flanged sleeve coupling or other high-speed coupling types may be more suitable.
  • Installation and Maintenance: Follow proper installation procedures to ensure the coupling is securely and accurately mounted on the shafts. Routine maintenance should also be performed to check for signs of wear, misalignment, or other issues that might affect the coupling’s performance.
  • Resonance and Damping: Consider the system’s natural frequencies and possible resonance points. Sleeve couplings offer some vibration damping characteristics, but additional measures like tuning and damping elements may be required to avoid resonance issues.
  • System Flexibility: Sleeve couplings offer flexibility to accommodate minor misalignments, but the system’s overall flexibility should be assessed to ensure the coupling’s compensation capabilities do not lead to excessive flexing or bending of other components.

By carefully addressing these design considerations, motion control systems can benefit from the advantages of sleeve couplings, such as simplicity, cost-effectiveness, and misalignment compensation. Ensuring proper selection, installation, and maintenance will contribute to smooth and efficient power transmission, leading to reliable and precise motion control performance.

China Standard CHINAMFG Customized High-Precision Stainless Steel 316 Machining Sleeve Coupling Spline Shaft Coupling  China Standard CHINAMFG Customized High-Precision Stainless Steel 316 Machining Sleeve Coupling Spline Shaft Coupling
editor by CX 2023-12-25