Ball Screw SCI

Short Description:

Internal Circulation, Standard Type


Product Detail

Product Tags

SCI series is internal circulation and no flange design, making it applicable to small operating environment.

Features of TBI MOTION Ball Screw
(1) High Reliability
TBI MOTION applies stringent quality control standards on every production process. With proper lubrication and use, trouble-free operation for an extended period of time is possible.
(2) Smooth Operation
The high efficiency of ball screw is vastly superior than conventional screws as shown in Fig 1.1.1. It takes less than 30% torque to make the linear motion into rotary motion.

Ball Screw SCI

Ball Screw SCI1

(3) High Rigidity and Preload
As figure 1.1.2 shown in below, the ball screw of TBI MOTION is designed with Gothic arch groove, which makes the screw easy to rotate even using minimum axial play. To make the rigidity more appropriate to using condition, you can change the preload between one or two screw nuts to reduce axial play.

Ball Screw SCI2

Fig 1.1.2 Groove Shape of TBI MOTION Precision Ball Screw

(4) Circulation Method

Ball Screw SCI3

(5) High Durability
TBI MOTION Rigidly selected materials, inten-sive heat treating and processing techniques, ba-cked  by years of experience, have resulted in the most durable ball screws manufactured. (See Table1.1.1 & Fig1.1.5)

Table 1.1.1 Material and Heat Treatment
Item
Material
Hardness
Screw
High-Carbon Steel
Chrome Molybdenum Steel
HRC 58°~62°
Nut
Chrome Molybdenum Steel
HRC 58°~62°
Steel Ball
Chrome Molybdenum Steel
HRC 62°UP

Ball Screw SCI4

Fig 1.1.5 Heat Treatment

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