What is the difference between THK Caged Ball LM Guide and Caged Roller LM Guide?

Among the linear transmission components of mechanical equipment, we commonly use THK Caged Ball LM Guide. In addition, there is also a Caged Roller LM Guide. What is the difference between THK Caged Ball LM Guide and Caged Roller LM Guide? I Interested friends can follow me to learn about the difference between THK Caged Ball LM Guide and Caged Roller LM Guide. Here are some answers.

Here is the content list:

• The main difference between THK Caged Ball LM Guide and Caged Roller LM Guide is the bearing capacity.

• The biggest difference between Caged Roller LM Guide and THK Caged Ball LM Guide is that they have different rolling methods.

The main difference between THK Caged Ball LM Guide and Caged Roller LM Guide is the bearing capacity.

Caged Roller LM Guide uses cylindrical roller bearings in the slider, which has a large total contact area and can bear a large load. The THK Caged Ball LM Guide uses ball roller bearings in the slider, which can bear a relatively small load. The advantage is because the total contact area is small, and correspondingly, its frictional resistance is also smaller. In general, THK Caged Ball LM Guide is faster and less rigid, while Caged Roller LM Guide is slower, but its rigidity is better.

The biggest difference between Caged Roller LM Guide and THK Caged Ball LM Guide is that they have different rolling methods.

The most direct difference between THK Caged Ball LM Guide and Caged Roller LM Guide is the medium they roll. THK Caged Ball LM Guide uses rigid beads, and Caged Roller LM Guide uses steel columns. Therefore, the rolling elements of the THK Caged Ball LM Guide are balls, and the contact with the slideway is point contact, which is divided into two-point and four-point contact. Of course, the more contact points, the better the rigidity, the higher the manufacturing accuracy, and the higher the cost.

The support body of the Caged Roller LM Guide is a roller, and the contact with the slide is line contact. Compared with the ball type, it is characterized by higher rigidity and greater bearing capacity, but there is a problem that its stroke is limited, unlike most Ball-type, the stroke can be spliced very long and the length is not limited. Relatively speaking, THK Caged Ball LM Guide will have lower cost, faster speed, and longer splicing. The roller type has the greater bearing capacity and better rigidity under the same volume.

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