Product Description
HangZhou CHINAMFG is IATF16949 certificated manufacturer ,located in HangZhou,China.We are specialized in manufacturing custom-made precision Machining Components. We offer a wide range of manufacturing solutions, including machining, and stamping Our engineering team has rich experience in working in this field for many years.
We have professional quality control team which is built up by rich experienced QC & QA. They will monitor each process of production. Each component or part will go through our QA for final inspection and testing. Make sure every product is under customer’s requirement before CZPT customers.
Our focus is to close the gap and provide lower cost manufacturing throughout the world. Sourcing your parts with CHINAMFG is the closest thing to running your own manufacturing facility in China. We offer extreme flexibility for you and your project needs.
HangZhou CHINAMFG will provide you with the following benefits and advantages:
·More saving on manufacturing cost.
·State-of-the-art manufacturing facilities.
·On site manufacturing supervision for quality control.
·Bilingual engineers reporting on your project.
·Reasonable short lead time.
Equipments: CNC machining center, CNC Lathe, milling machine, normal lathe, grinding machine, wire-cut machine, height gauge, projector, and other precise ones.
Materials: Aluminum, Alloy steel, Stainless Steel, brass, etc.
About 80% of FRIMAI’s business is exported, and 20% domestic. FRIMAhas very strict quality control request and system based on IATF16949 management system.
Any enquiries and orders together with drawing or sample as well as investments are extremely welcomed. We sincerely wish to cooperate with your company and create brilliance.
Feature of CNC parts
1. Precision Cnc stainless steel parts strictly according to customer’s drawing, packing, and quality request
2. Tolerance: Can be kept at +/-0.005mm
3. The most advanced CMM inspector to ensure the quality
4. Experienced technology engineers and well-trained workers
5. Fast and timely delivery. Speedily&professional service
6. Quality assurance in accordance with PPAP-3 level system inIATF16949Â
Â
| WMeasuring Facilties | Quadratic Element,Height Gauge,Micrometer,Gauge Block,Needle Gauge,Plug gauge,Caliper,Screw Thread Gauge | |||
| Machining Facilities | Machining Tolerance(mm) | Mchining Precision(mm) | Qty | Self-owned |
| CNC Machining Centre | 800×500 | 0.005-0.01 | 20pcs | Head Plant |
| CNC Machining Centre | 650×500 | 0.005-0.01 | 5pcs | Head Plant |
| CNC Turning | 750×40 | 0.015-0.005 | 20pcs | Head Plant |
| Turning | 750×250 | 0.01-0.02 | 10pcs | Head Plant |
| Milling | 1200×550 | 0.01-0.02 | 6pcs | Head Plant |
| Grinding | 160x360x280 | 0.005-0.01 | 4pcs | Head Plant |
| Grinding | 300×680 | 0.01 | 1pcs | Head Plant |
| Wire-cutting | 400×350 | 0.01-0.02 | 4pcs | Head Plant |
Material Available for CNC Turning Service
| Material | Stainless steel | SS201 SS303 SS304 SS316 17-4PH SUS440C |
| Steel | Q235 20#-45#  etc | |
| Brass | C36000(C26800)  C37700(HPb59) C38500(HP6 58) C27200(CuzN37)etc | |
| Iron | 1213 12L14 1215 etc | |
| Bronze | C51000 C52100 C5400etc | |
| Aluminum | Al6061 Al6063 Al7075 AL5052 etc | |
| Alloy | A2 D2 SKD11 DF2 XW/5 ASP-23 |
Terms and ConditionsÂ
| Our Processing | CNC machining, CNC milling and turning, drilling, grinding, stamping, tapping, |
| Surface finish | Hard Coating/Black Anodize/ Clear Anodize/ Hard Chrome /Clear Zinc/Plasma Niride |
| Tolerance | 0.005mm |
| QC System | 100% inspection before shipment |
| Drawing format | CAD /Â PDF/ DWG/ IGS/ STEP/So |
| Packaging | Standard package /Â Carton box or Pallet /Â As per customized specifications |
| Testing equipment | CMM (Coordinate Measuring Machine), Height gauge, Caliper, Hardness tester, Roughness tester, Projector machine, Pin/Angle/Block/Plug/Thickness/Thread/Radius gauge, etc. |
| Trade terms | EXW, FOB, CIF, As per the customer’s request |
| Shipment Terms | 1) 0-100kg: express &Â air freight priority 2) >100kg: sea freight priority 3) As per customized specifications |
| Note | All CNC machining parts are custom-made according to the customer’s drawings or samples, with no stock. If you have any CNC machining parts to be made, please feel free to send your kind drawings/samples to us anytime by email. |
| Surface Finish | Anodized/Zinc/Nickle/ZiNi plating |
Our advantage:
11 years one-stop customized metal products factory.
We will complete different processing designs based on customers’ processing needs and combine different processing techniques to
give customers the best solutions such as CNC machining turning milling stamping forging extrusion casting bending welding etc.
ODM/OEM rapid service
We can do it you only need to provide your project drawings and samples and we can customize and manufacture for you.
Provide high-quality products at a competitive price
Customized processing can be obtained within 5 working days to obtain prototypes and small batch production parts to provide customers with
high-quality and low-cost CNC processed products.
Â
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Automotive Industry |
|---|---|
| Certification: | IATF16949, RoHS, ISO9001 |
| Transport Package: | Each Pack by PE Bag, Then Pack in Carton |
| Specification: | SS316/S304, Brass, Aluminum |
| Trademark: | OEM |
| Origin: | Ningbo China |
| Customization: |
Available
| Customized Request |
|---|
Can screw jacks be adapted for use in both indoor and outdoor environments?
Yes, screw jacks can be adapted for use in both indoor and outdoor environments. They are versatile mechanical devices that can be designed and manufactured to withstand various environmental conditions. Here’s how screw jacks can be adapted for both indoor and outdoor use:
- Enclosure and Sealing: When screw jacks are intended for outdoor use, they can be equipped with enclosures and sealing mechanisms to protect the internal components from environmental factors such as moisture, dust, or debris. These enclosures are typically made from durable materials like stainless steel or corrosion-resistant coatings to ensure long-term protection.
- Corrosion Resistance: Outdoor environments often expose equipment to corrosive elements. To address this, screw jacks can be manufactured with corrosion-resistant materials or coatings. Stainless steel or zinc plating are commonly used to enhance the corrosion resistance of screw jacks, making them suitable for outdoor applications where exposure to moisture, humidity, or chemicals is expected.
- Weatherproofing: Screw jacks can be designed with weatherproofing features to resist environmental conditions such as rain, snow, or extreme temperatures. This may include seals, gaskets, or protective covers that prevent water or debris from entering the internal components, ensuring reliable operation in outdoor environments.
- UV Resistance: Outdoor applications often expose equipment to ultraviolet (UV) radiation from sunlight. Screw jacks can be manufactured using materials that are UV-resistant or incorporate UV-protective coatings. This helps prevent degradation or discoloration of the components due to prolonged exposure to sunlight.
- Temperature Considerations: Screw jacks can be designed to operate within a wide temperature range to accommodate diverse outdoor environments. Specialized lubricants and materials with high-temperature stability can be used to ensure proper functioning and prevent damage or degradation in extreme temperature conditions.
- IP Ratings: In certain applications, screw jacks may require specific Ingress Protection (IP) ratings to ensure their suitability for outdoor use. IP ratings indicate the level of protection against solids and liquids. Screw jacks can be manufactured with specific IP ratings to meet the environmental requirements of different outdoor applications.
By incorporating these adaptations, screw jacks can be effectively used in both indoor and outdoor environments. Whether it’s in manufacturing facilities, construction sites, or outdoor maintenance tasks, screw jacks provide reliable performance and can withstand the challenges posed by various environmental conditions.
What are the common signs of wear or issues that might require screw jack maintenance?
Regular maintenance is important for ensuring the proper functioning and longevity of screw jacks. It helps identify and address potential issues before they escalate into more significant problems. Here are some common signs of wear or issues that might indicate the need for screw jack maintenance:
- Unusual Noise: If a screw jack starts producing unusual noises during operation, such as grinding, squeaking, or knocking sounds, it could indicate a problem. These noises may be a result of worn or damaged components, inadequate lubrication, misalignment, or other mechanical issues. Prompt maintenance is necessary to diagnose and resolve the source of the noise.
- Increased Friction: If the movement of the screw jack becomes more difficult or requires excessive force, it could indicate increased friction within the mechanism. This may be caused by insufficient lubrication, contaminated lubricant, or worn components. Addressing the friction issue through maintenance, including lubrication and inspection of components, is important to prevent further damage and ensure smooth operation.
- Excessive Play or Backlash: Excessive play or backlash refers to unwanted movement or looseness in the screw jack assembly. It can occur due to worn or damaged components, improper assembly, or misalignment. Excessive play can negatively impact the precision, stability, and load-bearing capacity of the screw jack. Maintenance should be conducted to identify the cause of the play and rectify it to restore proper functionality.
- Irregular Movement: If the screw jack exhibits irregular or jerky movement instead of smooth and consistent operation, it may indicate issues with the drive mechanism, misalignment, or worn parts. Irregular movement can affect the performance and accuracy of the screw jack, potentially leading to safety hazards or reduced efficiency. Maintenance is necessary to diagnose and address the underlying causes of irregular movement.
- Leakage or Seal Damage: Screw jacks equipped with hydraulic or lubricant-filled systems may experience leakage or seal damage over time. Leakage can result in a loss of lubrication or hydraulic fluid, leading to inadequate lubrication, reduced performance, or system failure. Regular inspection and maintenance of seals, gaskets, and fluid levels are necessary to identify and rectify any leaks or seal damage.
- Visible Wear or Damage: Physical inspection of the screw jack is essential to identify visible signs of wear or damage. This may include worn threads, cracked or damaged housing, bent or misaligned components, or signs of corrosion. Any visible wear or damage should be addressed through maintenance to prevent further deterioration and ensure safe and reliable operation.
Regular inspection and maintenance are crucial to detect and address these signs of wear or issues promptly. It is recommended to follow the manufacturer’s guidelines for maintenance intervals and procedures to ensure the optimal performance and longevity of screw jacks.
Can you explain the basic principle behind the operation of a screw jack?
The basic principle behind the operation of a screw jack is the conversion of rotational motion into linear motion. A screw jack consists of a threaded shaft, known as the screw, and a nut that engages with the screw’s threads. When the screw is rotated, it moves the nut linearly along its threads, resulting in linear displacement. Here are some key points regarding the basic principle of operation for a screw jack:
- Rotational Motion: The operation of a screw jack begins with the application of rotational motion to the screw. This can be achieved through various means, such as manually turning a handle, using an electric motor, or employing hydraulic or pneumatic systems. The rotational motion is typically applied to the top end of the screw.
- Threaded Shaft: The screw in a screw jack is a threaded shaft with helical grooves running along its length. The threads can be either square or trapezoidal in shape. The pitch of the screw refers to the distance traveled along the screw’s axis for each complete revolution. The pitch determines the linear displacement achieved per rotation.
- Nut Engagement: The nut is a component that engages with the screw’s threads. It is typically a cylindrical or rectangular block with a threaded hole that matches the screw’s threads. The nut is free to move linearly along the screw’s length when the screw is rotated.
- Linear Motion: As the screw is rotated, the nut moves along the screw’s threads, causing linear displacement. The direction and magnitude of the displacement depend on the rotational direction and the pitch of the screw. Clockwise rotation typically results in upward linear displacement, while counterclockwise rotation leads to downward displacement.
- Mechanical Advantage: One of the advantages of a screw jack is its ability to provide a mechanical advantage. The pitch of the screw determines the distance traveled per revolution. By increasing the pitch or using multiple-start threads, the linear displacement achieved per rotation can be increased, allowing for the lifting or lowering of heavier loads with relatively less rotational effort.
- Self-Locking: The friction between the screw and the nut helps to maintain the position of the load once the rotational force is removed. This self-locking characteristic of screw jacks allows them to hold loads in position without requiring continuous power or external braking mechanisms.
In summary, the basic principle behind the operation of a screw jack involves the conversion of rotational motion into linear motion. By rotating the screw, the nut moves along the screw’s threads, resulting in linear displacement. The pitch of the screw determines the distance traveled per revolution, and the self-locking nature of the screw and nut interface helps maintain the position of the load.
editor by CX 2023-12-29