Product Description
Product Description
| Name | Spare Parts Fastener Fitting Blade Spindle Shaft Replacement for Murray 774091 94129 | ||
| Â | Cold Heading | Transport Package | Plastic Bag, Carton Package, Pallet Package |
| Specialty | OEM, ODM | Production Capacity | 10 Million Per Month |
| Sample | Free Sample If in Store | QC Control | Inspect 30mins in Production and Before Delivery |
| Heat Treatment | Hot-Working | QC Equipment | Salt Spray Machine, Hardness Testor, Caliper |
| Delivery time | 15-30 Days | Service | Quickly response |
| Application | Machinery, Chemical Industry, Environmental, Building | Brand | Linork |
| Applied Area | Building, Machinery, Auto, Car Wheel | Origin | HangZhou |
Detailed Photos
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Company Profile
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Packaging & Shipping
•If the quantity of order is not very big,we could send them to you by express delivery,such as TNT,DHL,UPS OR EMS etc.
•If order is big ,we will advise you use Air Shipping or Sea Shipping through your nominated forwarder agent.Our long-term cooperated agent also available.
FAQ
Q1: What are your main products?
A: At present, the company produces more than 1000 kinds of different fasteners, such as automobile standard parts, automobile non-standard parts, automobile lamps and fittings, automobile non-standard nuts (grade 8, 10, 12), automobile interior parts, low-voltage electrical components, stamping parts, high-strength screws (grade 8.8, 9.8, 10.9, 12.9), etc. And plastic parts, rubber rings, die casting more than 100 different products.
Q2: When will I know the price?
A: We usually offer within 12 hours, not more than 24 hours. In case of emergency, please contact us directly by phone or email.
Q3: Do you have enough capacity?
A: The current production capacity of the company is about 45,000 tons of steel, including 30,000 tons of wire and 15,000 tons of plate.
Q4: I’m not sure what screws to use, I need a little engineering help. Do you offer any help?
A: We have A complete engineering department that can provide you with the most suitable screws according to your product.
Q5: I need custom screws, but there are no screws listed on your website. What should I do?
A: Our professional engineers can design professional drawings according to your requirements, and can also produce according to the drawings you provide
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| Material: | Carbon Steel |
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| Load: | Revolution Axis |
| Stiffness & Flexibility: | Stiffness / Rigid Axle |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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How do screw jacks handle challenges like load imbalance or uneven surfaces?
Screw jacks are designed to handle challenges such as load imbalance or uneven surfaces through various mechanisms and features. Here’s how screw jacks address these challenges:
- Load Imbalance: Screw jacks can handle load imbalance by distributing the load evenly across multiple screw jacks. In applications where there is a significant load imbalance, multiple screw jacks can be used in a synchronized system. The synchronization ensures that each screw jack shares the load proportionally, preventing excessive stress on any individual screw jack.
- Self-Locking: Screw jacks have a self-locking feature that allows them to hold their position without the need for continuous power or external braking mechanisms. This self-locking capability helps maintain stability and prevents the load from shifting even in the absence of power or during power loss.
- Anti-Backlash Mechanism: To handle challenges related to backlash or unwanted movement caused by load imbalance or vibration, some screw jacks are equipped with anti-backlash mechanisms. These mechanisms minimize or eliminate the clearance between the screw and the nut, reducing the potential for backlash and ensuring precise positioning and stability.
- Flexible Mounting Options: Screw jacks offer flexible mounting options, which allow for proper alignment and compensation on uneven surfaces. Mounting brackets or couplings can be used to adapt the screw jacks to different orientations or to compensate for variations in the mounting surface. This flexibility ensures that the screw jacks can be securely installed and adjusted to accommodate uneven surfaces.
- Guidance Systems: In some cases, screw jacks may incorporate guidance systems to improve stability and alignment. These guidance systems can include linear guides or rails that guide the movement of the screw, ensuring smooth and accurate operation even when dealing with load imbalance or uneven surfaces.
By employing these mechanisms and features, screw jacks can effectively handle challenges related to load imbalance or uneven surfaces. They provide stability, precise positioning, and the ability to distribute loads evenly, making them suitable for a wide range of applications even in demanding environments.
Can screw jacks be used for both light-duty and heavy-duty applications?
Yes, screw jacks are versatile mechanical devices that can be used for both light-duty and heavy-duty applications. Their design and construction allow them to handle a wide range of loads, making them suitable for various industrial, commercial, and residential tasks. Here’s how screw jacks are used in both light-duty and heavy-duty applications:
- Light-Duty Applications: Screw jacks find application in numerous light-duty tasks where precise positioning, lifting, or adjustment is required. Examples of light-duty applications include:
- Workbenches and assembly stations: Screw jacks can be employed to adjust the height of workbenches or assembly stations, allowing operators to work at comfortable levels.
- Stage and theater equipment: Screw jacks are used to raise or lower stage platforms, lighting fixtures, or props, allowing for easy setup and adjustments during performances.
- Medical and healthcare equipment: Screw jacks are utilized in medical beds, examination tables, or dental chairs to enable height adjustments for patient comfort and medical procedures.
- Optical and laboratory equipment: Screw jacks provide precise vertical positioning in optical systems, microscopes, or laboratory setups, ensuring accurate alignment and focus.
- Residential applications: Screw jacks can be used in home applications, such as adjustable tables, ergonomic furniture, or lifting mechanisms for storage units.
- Heavy-Duty Applications: Screw jacks are also capable of handling heavy-duty applications that involve substantial loads and demanding conditions. Examples of heavy-duty applications include:
- Industrial machinery: Screw jacks are utilized in various industrial machinery, including presses, injection molding machines, or material handling equipment, to provide precise control and lifting capabilities.
- Construction and infrastructure projects: Screw jacks are employed in construction tasks, such as formwork systems, scaffolding, or temporary structures, for lifting, leveling, or supporting heavy loads.
- Transportation and automotive: Screw jacks find application in automotive lifts, vehicle maintenance equipment, or cargo handling systems, enabling the lifting and positioning of heavy vehicles or loads.
- Shipbuilding and offshore industries: Screw jacks are used in shipbuilding and offshore applications for tasks such as aligning sections, adjusting propeller pitch, or lifting heavy components during construction or maintenance.
- Mining and heavy equipment: Screw jacks are utilized in mining machinery, cranes, or heavy equipment for load positioning, maintenance, or stabilization.
It’s important to note that the specific design, size, and load capacity of the screw jack should be matched to the requirements of the application. Manufacturers provide a wide range of screw jack models with varying load capacities, travel distances, and configurations to accommodate both light-duty and heavy-duty applications. Proper selection and installation of the screw jack ensure optimal performance and safety in diverse tasks.
How do screw jacks ensure stable and controlled movement of loads?
Screw jacks are designed to ensure stable and controlled movement of loads through various mechanisms and features. These mechanisms work together to provide stability, precision, and safety during load handling. Here’s how screw jacks achieve stable and controlled movement:
- Self-Locking Mechanism: Screw jacks are equipped with self-locking mechanisms that prevent the load from lowering or descending when the screw is not being rotated. This mechanism ensures that the load remains stable and stationary even in the absence of an external driving force. The self-locking feature is achieved through the thread design and the friction between the screw and the nut. It provides inherent stability and eliminates the need for additional braking or locking mechanisms.
- High Mechanical Advantage: Screw jacks offer a high mechanical advantage, allowing for controlled movement of heavy loads with relatively low input force. The mechanical advantage is determined by the pitch of the screw and the size of the input device. By increasing the pitch or using a larger input device, the mechanical advantage can be enhanced, enabling precise and controlled movement even with substantial loads.
- Precision Thread Design: The threads of the screw and the nut in screw jacks are precision-designed to minimize backlash and play, ensuring smooth and accurate movement. The thread design influences the amount of axial movement achieved per rotation of the screw, directly impacting the precision of load positioning. By using high-quality threads and incorporating anti-backlash features, screw jacks maintain stability and control during load movement.
- Limit Switches and Position Sensors: Screw jacks can be equipped with limit switches or position sensors to provide accurate position feedback and prevent overtravel or exceedance of specified limits. These devices ensure that the load stops at the desired position and prevent any unsafe or unintended movement. Limit switches and position sensors enhance the control and safety of screw jack systems.
- Additional Safety Features: Screw jacks may incorporate additional safety features to ensure stable and controlled movement. These features can include overload protection mechanisms that prevent excessive loads from damaging the screw jack or the load-bearing structure. Emergency stop options or mechanical brakes may also be included to halt the movement in case of emergencies or power failure.
- Sturdy Construction: Screw jacks are built with robust materials and construction to withstand heavy loads and provide stability during operation. The components are designed to handle the forces exerted during load movement and maintain structural integrity. Sturdy construction ensures that the screw jack can reliably handle the load without compromising stability or control.
By incorporating self-locking mechanisms, high mechanical advantage, precision thread design, limit switches, position sensors, additional safety features, and sturdy construction, screw jacks ensure stable and controlled movement of loads. These features work together to provide precise positioning, prevent unintended movement, and enhance the safety of load handling operations.
editor by CX 2024-04-10