Product Description
Charging drill electric screwdriver batch head multifunctional universal flexible shaft extension rod hose connection shaft
Applications:
1) Mechanical manufacturing.
2) Electronics
3) Furniture Products
4) Auto parts
5) Lights
6) Medical device
7) Toys
8) Digital products.
9) Buildings
10) Others
Advantages
1)Competitive price
2)Diversified rich experienced skilled workers( Over 18 years).
3)Continuance service and support.
4)Quality,reliability and long product life.
5)Mature,perfect and excellence,but simple design, OEM are available.
6)Serviced for: Foxconn Tec,Sanyo Electronics,Honeywell International,Kimball Furniture…etc
Business Conditions
| MOQ | Small quantity for testing are available |
| Terms | FOB HangZhou /CFR /CIF |
| Payment | T/T 30 % deposit, 70% balance payment before shipment |
| Lead Time | 7-25 working days,it is depand on the order quantity |
| Sample Availablity | Making sample within 7 days free of charge if we have existing tooling |
| Warranty | 3 Years |
FAQ
A. How to get the offer for products ?
Drawing or size details & Materials & Quantity info provided,then we will quote the best price for you.
B. How to Package ?
The items are placed in plastic bags,Then put into Hardened Carton box,Last is on the pallet. Or According to customers’ required.
C. When is the delivery time ?
Delivery will occur between 10-15 working days from order confirmed, Moved faster delivery time can be allowed if Urgently.
D.What is the MOQ ?
To start of our good business relationship, we will try our best to meet your demands. Welcome to small trial order for testing.
E.What is you payment method ?
Paypal, T/T,Westeern Union,Moneygram,or others.
Reproduction and Refund Policy
Potential Redund Issue
1. Products received do not match the picture or description.
a.return for exchange–Return the products and we will resend the order as soon as we receive confirmation that the products have shipped.
b. Return for Refund–We will refund the payment as soon as our company receives the products by return back.
2. Products do not meet quality expectations or have some other quality issues.
a.return for exchange–Customers do not need to send the products back, They can instead provide pictures that clearly shows the problems.
b. Return for refund- Customer do not need to send the products back,they can instead provide pictures that clearly shows the problems
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| Type: | Screwdriver |
|---|---|
| Transport Package: | Polybag for Inner, Carbon Box for Outer, or OEM |
| Specification: | OEM |
| Trademark: | GoodUse |
| Origin: | China |
| Samples: |
US$ 10/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
How do screw jacks contribute to the safety of tasks like vehicle maintenance?
Screw jacks play a crucial role in ensuring the safety of tasks like vehicle maintenance. They provide stability, lifting capabilities, and precise control, which are essential for safe and efficient maintenance operations. Here’s how screw jacks contribute to safety in vehicle maintenance:
- Stability and Load Capacity: Screw jacks are designed to provide high stability and support heavy loads. When used in vehicle maintenance, they offer a solid and secure platform for lifting and supporting the vehicle. This stability ensures that the vehicle remains steady during maintenance tasks, reducing the risk of accidents or injuries caused by uncontrolled movement or instability.
- Precise Height Adjustment: Screw jacks allow for precise height adjustment, enabling mechanics to position the vehicle at the desired working height. This precise control ensures that the vehicle is at an optimal height for accessing various components, performing inspections, or conducting repairs. It helps maintain a comfortable working posture for mechanics, minimizing the risk of strain or injury.
- Locking Mechanisms: Screw jacks often incorporate locking mechanisms to securely hold the lifted load in position. These locking mechanisms prevent accidental lowering of the vehicle during maintenance tasks, providing an additional layer of safety. Even in the event of power loss or system failure, the locking mechanism ensures that the vehicle remains elevated, reducing the risk of injury or damage.
- Even Weight Distribution: When multiple screw jacks are used in a synchronized system, they distribute the load evenly, ensuring balanced support. This even weight distribution minimizes stress on individual components and prevents overloading, reducing the risk of equipment failure or accidents caused by imbalanced loads.
- Integration with Safety Systems: Screw jacks can be integrated with safety systems to enhance overall safety during vehicle maintenance tasks. For example, limit switches or proximity sensors can be used to prevent the screw jacks from exceeding their maximum or minimum height limits. Emergency stop buttons or safety interlocks can be integrated into the control system, allowing immediate halting of the lifting operation in case of emergencies or hazardous situations.
The combination of stability, precise control, locking mechanisms, even weight distribution, and integration with safety systems makes screw jacks a reliable and safe solution for vehicle maintenance tasks. They provide mechanics with a secure working platform, reduce the risk of accidents, and contribute to the overall safety and efficiency of vehicle maintenance operations.
How do screw jacks ensure smooth and controlled linear movement of loads?
Screw jacks are designed to ensure smooth and controlled linear movement of loads. They employ several mechanisms and features that contribute to this capability. Here are some ways in which screw jacks achieve smooth and controlled linear movement:
- Threaded Screw and Nut Mechanism: Screw jacks consist of a threaded screw and a matching nut. The screw is rotated using a handle or a motor, causing it to move linearly through the nut. The thread geometry allows for smooth and controlled movement as the screw advances or retracts. The precision of the screw thread ensures that the load moves linearly without jerks or sudden changes in speed.
- Low Friction and High Efficiency: Screw jacks are designed to minimize friction and maximize efficiency. The components of the screw jack, such as the screw, nut, and bearing surfaces, are manufactured with smooth and precise finishes. This reduces frictional forces and minimizes energy losses during operation. The low friction characteristics enable smooth movement and ensure that a significant portion of the input force is translated into lifting or lowering the load.
- Load Distribution and Stability: Screw jacks are designed to distribute the load evenly across the screw thread and nut. This ensures that the load is supported and guided in a stable manner during linear movement. The load-bearing components of the screw jack, such as the housing and base, are constructed to provide adequate strength and rigidity, minimizing deflection and maintaining stability throughout the lifting or lowering process.
- Anti-Backlash Mechanisms: Backlash refers to the slight axial movement or play that can occur between the screw and the nut in a screw jack. To minimize backlash and ensure precise control, screw jacks often incorporate anti-backlash mechanisms. These mechanisms, such as preloading springs or adjustable backlash nuts, reduce or eliminate any free movement, allowing for more accurate and controlled linear motion of the load.
- Overload Protection: Screw jacks may include overload protection features to prevent damage or failure in the event of excessive loads or unexpected conditions. These features can include mechanical stops, shear pins, or overload clutches that disengage or limit the load-carrying capacity of the screw jack when predetermined limits are exceeded. Overload protection mechanisms contribute to the safe and controlled movement of loads.
By employing a threaded screw and nut mechanism, minimizing friction, ensuring load distribution and stability, incorporating anti-backlash mechanisms, and providing overload protection, screw jacks enable smooth and controlled linear movement of loads. These features make screw jacks suitable for a wide range of applications where precise positioning, lifting, or lowering with controlled speed and stability is required.
How do screw jacks convert rotary motion into linear motion?
Screw jacks convert rotary motion into linear motion through the interaction between 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 along its threads, resulting in linear displacement. Here are the key steps that explain how screw jacks convert rotary motion into linear motion:
- 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.
- 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.
- Rotary Motion: To convert rotary motion into linear motion, an external force is applied to rotate the screw. This force can be generated manually by turning a handle, using an electric motor, or employing hydraulic or pneumatic systems.
- Linear Displacement: 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: Screw jacks provide a mechanical advantage due to the pitch of the screw. The pitch 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: One important characteristic of screw jacks is their self-locking ability. The friction between the screw and the nut helps to maintain the position of the load once the rotational force is removed. This means that screw jacks can hold loads in position without requiring continuous power or external braking mechanisms.
In summary, screw jacks convert rotary motion into linear motion by rotating a threaded screw, which in turn moves a nut linearly along the screw’s threads. The pitch of the screw determines the linear displacement achieved per revolution, and the self-locking nature of the screw and nut interface helps maintain the position of the load without the need for additional mechanisms.
editor by CX 2024-01-23