How to select THK product

1, Setting conditions

  • Dimensions of machines and systems
  • Space in the guide section
  • Installation direction (horizontal, vertical, slant mount, wall mount, suspended)
  • Magnitude and direction of the working load
  • Stroke length
  • Speed
  • Operating frequency (duty cycle)
  • Required service life
  • Kinetic frequency
  • Environment

2, Selecting a type of THK bearings

Select a type that meets the conditions.

  • LM Guide
  • Miniature Guide
  • Slide Pack
  • Ball Spline
  • Linear Bushing
  • LM Stroke
  • Cross roller Guide
  • Linear stage
  • Roller type
  • etc.

3, Predicting the Service Life

  • Selecting size
  • Selecting a number of blocks/nuts
  • Determining a number of rails/shafts

4, Rigidity

  • Selecting clearance
  • Selecting preload
  • Determining a fixing method
  • Determining the rigidity of the mounting section

5, Accuracy

  • Selecting an accuracy grade (feeding accuracy, runout accuracy)
  • Accuracy of the mounting surface

6, Lubrication and Safety Design

  • Determining lubricant (grease, oil, special lubricant)
  • Determining lubrication method (regular lubrication, forced lubrication)
  • Determining material (standard material, stainless steel, high temperature material)
  • Determining surface treatment (anti-rust, appearance)
  • Designing contamination protection (selecting bellows, telescopic cover, etc.)

7, Calculating the Thrust Force

Obtaining the thrust force required for linear motion.

select a drive method, eg. feed screw, belt, wire, chain, rack and pinion, linear moter. then go to the second step (selecting a type)



Related products

THK bearings

Product search