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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| After-sales Service: | Permanently |
|---|---|
| Condition: | New |
| Certification: | ISO9001 |
| Standard: | DIN |
| Customized: | Customized |
| Material: | Metal |
| Samples: |
US$ 1.5/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
How do you calculate the efficiency of a spur gear?
Calculating the efficiency of a spur gear involves considering the power losses that occur during gear operation. Here’s a detailed explanation:
In a gear system, power is transmitted from the driving gear (input) to the driven gear (output). However, due to various factors such as friction, misalignment, and deformation, some power is lost as heat and other forms of energy. The efficiency of a spur gear represents the ratio of the output power to the input power, taking into account these power losses.
Formula for Calculating Gear Efficiency:
The efficiency (η) of a spur gear can be calculated using the following formula:
η = (Output Power / Input Power) × 100%
Where:
η is the efficiency of the gear system expressed as a percentage.
Output Power is the power delivered by the driven gear (output) in the gear system.
Input Power is the power supplied to the driving gear (input) in the gear system.
Factors Affecting Gear Efficiency:
The efficiency of a spur gear is influenced by several factors, including:
- Tooth Profile: The tooth profile of the gear affects the efficiency. Well-designed gear teeth with accurate involute profiles can minimize friction and power losses during meshing.
- Lubrication: Proper lubrication between the gear teeth reduces friction, wear, and heat generation, improving gear efficiency. Insufficient or inadequate lubrication can result in increased power losses and reduced efficiency.
- Gear Material: The selection of gear material affects efficiency. Materials with low friction coefficients and good wear resistance can help minimize power losses. Higher-quality materials and specialized gear coatings can improve efficiency.
- Gear Alignment and Meshing: Proper alignment and precise meshing of the gear teeth are essential for optimal efficiency. Misalignment or incorrect gear meshing can lead to increased friction, noise, and power losses.
- Bearing Friction: The efficiency of a gear system is influenced by the friction in the bearings supporting the gear shafts. High-quality bearings with low friction characteristics can contribute to improved gear efficiency.
- Load Distribution: Uneven load distribution across the gear teeth can result in localized power losses and reduced efficiency. Proper design and gear system configuration should ensure even load distribution.
Interpreting Gear Efficiency:
The calculated gear efficiency indicates the percentage of input power that is effectively transmitted to the output. For example, if a gear system has an efficiency of 90%, it means that 90% of the input power is converted into useful output power, while the remaining 10% is lost as various forms of power dissipation.
It’s important to note that gear efficiency is not constant and can vary with operating conditions, lubrication quality, gear wear, and other factors. The calculated efficiency serves as an estimate and can be influenced by specific system characteristics and design choices.
By considering the factors affecting gear efficiency and implementing proper design, lubrication, and maintenance practices, gear efficiency can be optimized to enhance overall gear system performance and minimize power losses.
How do you prevent backlash and gear play in a spur gear mechanism?
Preventing backlash and gear play is crucial for maintaining the accuracy, efficiency, and smooth operation of a spur gear mechanism. Here’s a detailed explanation of how to prevent backlash and gear play in a spur gear mechanism:
- Precision Gear Design: Ensure that the spur gears used in the mechanism are designed with precision and manufactured to tight tolerances. Accurate tooth profiles, proper tooth spacing, and correct gear meshing are essential to minimize backlash and gear play.
- Adequate Gear Tooth Contact: Optimize the gear meshing by ensuring sufficient tooth contact between the mating gears. This can be achieved by adjusting the center distance between the gears, selecting appropriate gear module or pitch, and ensuring proper gear alignment.
- Proper Gear Engagement Sequence: In multi-gear systems, ensure that the gears engage in a proper sequence to minimize backlash. This can be achieved by using idler gears or arranging the gears in a way that ensures sequential engagement, reducing the overall amount of play in the system.
- Backlash Compensation: Implement backlash compensation techniques such as preloading or using anti-backlash devices. Preloading involves applying a slight tension or compression force on the gears to minimize the free movement between the gear teeth. Anti-backlash devices, such as split gears or spring-loaded mechanisms, can also be used to reduce or eliminate backlash.
- Accurate Gear Alignment: Proper alignment of the gears is critical to minimize gear play. Ensure that the gears are aligned concentrically and parallel to their respective shafts. Misalignment can result in increased backlash and gear play.
- High-Quality Bearings: Use high-quality bearings that provide precise support and minimize axial and radial play. Proper bearing selection and installation can significantly reduce gear play and improve the overall performance of the gear mechanism.
- Appropriate Lubrication: Ensure that the gears are properly lubricated with the correct type and amount of lubricant. Adequate lubrication reduces friction and wear, helping to maintain gear meshing accuracy and minimize backlash.
- Maintain Proper Gear Clearances: Check and maintain the appropriate clearances between the gears and other components in the gear mechanism. Excessive clearances can lead to increased gear play and backlash. Regular inspections and adjustments are necessary to ensure optimal clearances.
- Regular Maintenance: Implement a regular maintenance schedule to inspect, clean, and lubricate the gear mechanism. This helps identify and rectify any issues that may contribute to backlash or gear play, ensuring the gear system operates at its best performance.
By following these practices, it is possible to minimize backlash and gear play in a spur gear mechanism, resulting in improved precision, efficiency, and reliability of the system.
It’s important to note that the specific techniques and approaches to prevent backlash and gear play may vary depending on the application, gear type, and design requirements. Consulting with gear manufacturers or specialists can provide further guidance on addressing backlash and gear play in specific gear mechanisms.
Can you explain the concept of straight-cut teeth in spur gears?
The concept of straight-cut teeth is fundamental to understanding the design and operation of spur gears. Straight-cut teeth, also known as straight teeth or parallel teeth, refer to the shape and arrangement of the teeth on a spur gear. Here’s a detailed explanation of the concept of straight-cut teeth in spur gears:
Spur gears have teeth that are cut straight and parallel to the gear axis. Each tooth has a uniform width and thickness, and the tooth profile is a straight line. The teeth are evenly spaced around the circumference of the gear, allowing them to mesh with other spur gears.
The key characteristics and concepts related to straight-cut teeth in spur gears include:
- Tooth Profile: The tooth profile of a spur gear with straight-cut teeth is a straight line that extends radially from the gear’s pitch circle. The profile is perpendicular to the gear axis and remains constant throughout the tooth’s height.
- Pitch Circle: The pitch circle is an imaginary circle that represents the theoretical point of contact between two meshing gears. For a spur gear, the pitch circle is located midway between the gear’s base circle (the bottom of the tooth profile) and the gear’s addendum circle (the top of the tooth profile).
- Pressure Angle: The pressure angle is the angle between the line tangent to the tooth profile at the pitch point and a line perpendicular to the gear axis. It determines the force distribution between the meshing teeth and affects the gear’s load-bearing capacity and efficiency. Common pressure angles for spur gears are 20 degrees and 14.5 degrees.
- Meshing: Straight-cut teeth in spur gears mesh directly with each other. The teeth engage and disengage along a line contact, creating a point or line contact between the contacting surfaces. This direct meshing arrangement allows for efficient power transmission and motion transfer.
- Advantages and Limitations: Straight-cut teeth offer several advantages in spur gears. They are relatively simple to manufacture, resulting in cost-effective production. Moreover, they provide efficient power transmission and are suitable for moderate to high-speed applications. However, straight-cut teeth can generate more noise and vibration compared to certain other tooth profiles, and they may experience higher stress concentrations under heavy loads.
In summary, straight-cut teeth in spur gears refer to the straight and parallel arrangement of the gear’s teeth. The teeth have a uniform profile with a constant width and thickness. Understanding the concept of straight-cut teeth is essential for designing and analyzing spur gears, considering factors such as tooth profile, pitch circle, pressure angle, meshing characteristics, and the trade-offs between simplicity, efficiency, and noise considerations.
editor by CX 2024-04-11