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Lead screw 2mm

(1058 products available)

About lead screw 2mm

Types of lead screw 2mm

Lead screws are manufactured in a variety of configurations to suit different applications. Here are a few examples:

  • Trapezoidal lead screws: They are the most common type of lead screws. They have a trapezoidal-shaped thread profile. The trapezoidal lead screws are used when there are not many restrictions on speed or precision. They are mostly used in low-speed applications that need high force, such as clamping, lifting, and 3D printing.
  • ACME lead screws: They are very similar to trapezoidal lead screws. The difference is that the thread angle is different. ACME lead screws have a 29° thread angle, while the trapezoidal lead screws have a 30° thread angle. ACME lead screws are used in applications such as CNC routers, cutting machines, and automation equipment.
  • Hiwin lead screws: They are high-precision lead screws. Hiwin lead screws have a very fine thread pitch. They can achieve high accuracy and smooth movement. Hiwin lead screws are used in applications that need precise positioning and repeatability, such as semiconductor manufacturing equipment, medical devices, and 3D printers.
  • ACME thread lead screws: They are similar to ACME lead screws. They are also used in applications such as CNC routers, cutting machines, and automation equipment. ACME thread lead screws have a smaller thread angle than the ACME lead screws. They offer more force and are easier to install.
  • Tr8 lead screws: They are short for trapezoidal 8mm lead screws. Tr8 lead screws are used in 3D printers and small CNC machines. They are a popular choice for makers and hobbyists. Tr8 lead screws are usually made of brass, steel, or stainless steel.
  • Lead screw with POM nut: POM (Polyoxymethylene) is a hard and rigid material. The POM nut has a low coefficient of friction and is self-lubricating. Therefore, POM nuts can reduce wear and extend the lifespan of the lead screws. POM nuts are suitable for applications that need clean, smooth, and quiet linear motion, such as medical equipment and optical devices.

Specification and maintenance of 2mm lead screws

Specification

  • Material

2mm lead screws are usually made of high-quality materials to ensure strength, durability, and performance. Typical materials include stainless steel, carbon steel, and alloy steel.

  • Size

The size of a 2mm lead screw is specified by its diameter and length. The total length of the lead screw includes the screw portion and the non-threaded end. The size of the lead screw is usually measured in millimeters.

  • Pitch

The pitch of a lead screw refers to the distance between adjacent threads. It is usually measured in millimeters. The pitch of a lead screw affects its linear travel speed and resolution. A lead screw with a smaller pitch offers higher speed, while one with a larger pitch provides better resolution.

  • Drive Type

2mm lead screws can employ different drive types to meet various application requirements. The drive type determines how the motion is transmitted along the screw. Common drive types include external threads, trapezoidal threads, and acme threads.

Maintenance

Maintaining the lead screw is very important for its performance and service life. Here are some general maintenance tips for 2mm lead screws:

  • Keep it clean: Regularly clean the surface of the lead screw to remove any dust, debris, or grease that may have accumulated. Use a mild solvent or degreaser and a clean cloth or brush to gently clean the screw. Wipe it dry after cleaning to prevent moisture buildup.
  • Lubrication: Apply lubricant to the threads of the lead screw to reduce friction and wear during operation. Select a lubricant specifically designed for lead screws, and apply it according to the manufacturer's recommendations. Avoid applying too much lubricant, as excess lubricant can attract dust and debris.
  • Inspection: Regularly inspect the lead screw for signs of wear, damage, or misalignment. Check the threads for burrs or deformation, and check the screw for straightness. If any issues are found, address them promptly to prevent further damage.
  • Avoid overload: Avoid overloading the lead screw, which can cause premature wear and damage. Operate the lead screw within its rated load and speed limits. If necessary, consider using additional support or a larger lead screw.

Scenarios of 2mm lead screws

2mm lead screws are used in various industries and applications, like robotics, medical devices, 3D printers, CNC machines, cameras, and automotive systems. Here's a closer look at how they function across different scenarios.

  • Robotics

2mm lead screws are used to control the movement of robot arms, grippers, and other components in robotics. The precision and repeatability qualities of the screws enhance the performance and accuracy of the robots in different applications like assembly, pick-and-place, and surgical procedures.

  • Medical Devices

2mm lead screws are employed in various medical devices such as precision pumps, surgical instruments, and imaging equipment. Their precise motion control is ideal for enhancing the accuracy and reliability of medical procedures.

  • 3D Printers

2mm lead screws are used in the Z-axis movement in 3D printers. This helps to control the vertical positioning of the print head and build platform. Using lead screws in 3D printers enhances precision, which results in higher quality prints.

  • CNC Machines

2mm lead screws are used in CNC machines to control the movement of cutting tools with precision. They help in enhancing the accuracy of the machine and improving the quality of the finished workpiece.

  • Cameras

2mm lead screws are used in cameras for focus adjustment and zoom control. Using lead screws in cameras enhances the smooth and precise operation of the camera, which results in better image quality.

  • Automotive Systems

2mm lead screws are used in various automotive systems like automatic door locks, seat adjustments, and electronic mirrors. They help in controlling the movement of different automotive components with precision and reliability.

How to choose lead screw 2mm

Choosing the right 2mm lead screw for sale requires careful consideration of several important factors.

  • Performance requirements

Consider the required load capacity, speed, and positioning accuracy of the application. Select a 2mm lead screw with an appropriate diameter, pitch, and nut design to meet the performance requirements.

  • Materials and coatings

Consider the operating environment of the application. Choose a material that is suitable for the temperature, corrosion resistance, and durability. Also, consider any necessary coatings for lubrication or protection against wear and corrosion.

  • Integration and compatibility

Consider the existing system and components. Choose a 2mm lead screw that is compatible with the motor, coupling, and other elements. Ensure proper alignment and integration for optimal performance.

  • Size and weight

Consider the space constraints and weight limitations of the application. Select a lead screw with an appropriate size and weight that can be accommodated within the system while still meeting the performance requirements.

  • Supplier selection

Choose a reputable supplier with a track record of providing high-quality products and reliable technical support. Consider the supplier's experience and expertise in the lead screw industry. Also, ensure they can offer customization services and assistance with selection and design to meet specific requirements.

Q&A

Q1: What are the advantages of using a lead screw?

A1: A lead screw has many advantages. It can be used in a wide range of applications where linear motion is required. It is also self-locking, which means that it will not move on its own when stationary. Furthermore, lead screws have a simple design and are cost-effective. They also offer high precision and repeatability in motion control tasks.

Q2: What is the difference between an acme screw and a lead screw?

A2: One major difference between an Acme screw and a lead screw is the thread profile. An Acme screw has a trapezoidal thread profile, while a lead screw has a square or rounded thread profile. Also, the manufacturing process and accuracy of both screws differ. Acme screws are less precise than lead screws. However, lead screws offer more precision and better performance.

Q3: Can a lead screw be used as a linear actuator?

A3: Yes, lead screws are popularly used as linear actuators in many applications. This is because they can be combined with a motor and a coupling to achieve precise linear motion. They are also cost-effective and have a simple design.