Who is hiwin?
HIWIN is a combination of HI-tech WINner. The company is known for linear motion guides, ball spline, ball screws….HIWIN.
|11 October 1989
|No. 7, JingKe Road, Nantun District, Taichung City, 408, Taichung , Taiwan
Where is HIwin located?
Hiwin Technologies Corp.
|Eric Y. T. Chuo
|3262 (Jun, 2013)
Where are Hiwin linear rails made?
One of the main directions of HIWIN company is the production of high quality linear motion systems – carriage, guideways, HIWIN’s rails, linear bearings, couplings and ballscrews, all of them are made in Taiwan.
What is ball screw in CNC machine?
A ball screw (or ballscrew) is a mechanical linear actuator that translates rotational motion to linear motion with little friction. A threaded shaft provides a helical raceway for ball bearings which act as a precision screw.
What is a linear guideway?
Linear guideways provides linear motion by re-circulating rolling elements between a profiled rail and a bearing block. The coefficient of friction on a linear guideway is only 1/50 compared to a traditional slide and they are able to take loads in all directions.
What is acme screw?
Acme screws are lead screws that are designed to translate rotary motion into linear motion. They have a trapezoidal thread profile with a standard included angle of 29 degrees (some Helix Linear screws use 40 degrees). Unlike roller and ball screws, Acme screws operate using sliding contact.
What are ball screw used for?
Ball screws are used in aircraft and missiles to move control surfaces, especially for electric fly by wire, and in automobile power steering to translate rotary motion from an electric motor to axial motion of the steering rack. They are also used in machine tools, robots, and precision assembly equipment.
How do linear guides work?
Linear blocks connect to the moving components by mounting to the block to support the motion for the specified component. The motion is created along the rail through recirculating ball bearings within the block that is contacted on the rail.
How does a linear rail work?
A linear rail consists of a stiff steel rail, along which a carriage slides. Most commonly, the carriage contains recirculating ball bearings that provide contact points between the carriage and the rail. This enables a smooth sliding motion as the balls roll between the surfaces.
What is LM guide ways?
Linear Motion Guideways (LM Guideways) also known as Linear Motion bearings have a mechanism to bear the load and to guide their linear motion simultaneously. A linear guideway allows a type of linear motion that utilizes rolling elements such as balls or rollers.
What is full form of Acme?
ACME – Assembling Configuration Management Environments.
How accurate are ball screws?
Repeatability and accuracy A key advantage of ball screw drives is that they provide excellent repeatability (backlash, defined in detail below, is dependent upon ball bearing diameter, but typically ranges from . 005 to . 015”) and accuracy (±. 004”/ft for precision ball screws and ±.
What are LM guideways?
What is the purpose of guideways in machine tool?
The Guideway is one of the important elements of machine tool. The main function of the guideway is to make sure that the cutting tool or machine tool operative element moves along predetermined path. The machine tool operative element carries workpiece along with it.
How do I choose an LM guide?
Obtain the value of static safety factor from the basic static load rating and the maximum applied load. Average the applied load fluctuating during operation to convert the value to an average load. Calculate the the distance traveled based on the nominal life equation. Calculate the applied load on the LM block.
What is the meaning of LM guide?
The LM Guide (Linear Motion Guide) is our main product, incorporating a part with a linear rolling motion into practical usage for the first time in the world. It realizes the development of high-precision, high-rigidity, energy-saving, high-speed machines with long service lives.
Are linear rails better than rods?
Higher precision, smoother motion. Linear rails are also usually manufactured to much tighter tolerances than linear rods. This higher precision translates to reduced play and binding (when the bearings catch and don’t roll smoothly), yielding smoother, more consistent motion.