slide guide

SLIDE BUSH
SLIDE BUSH
Figure C-2 Basic Structure of NB Slide Bush (GM)
The NB slide bush is a linear motion mechanism utilizing the
rotational motion of ball elements. Since linear motion is obtained
using a simple mechanism, the slide bush can be used in a wide
variety of applications, including transportation equipment, food
processing equipment, and semiconductor manufacturing equipment.
GM type
retainer
steel outer cylinder
resin outer
cylinder
ball element
GMF-W type
flanged steel outer cylinder
resin outer
cylinder
retainer
ball element
STRUCTURE AND ADVANTAGES
resin seal
resin seal
The outer cylinder of slide bush contains a ball
retainer that is perfectly designed to control the
circulation of ball elements, resulting in smooth
linear motion.
Compact Machanism
The NB slide bush uses a round shaft for the
guiding axis, resulting in space-saving, which allows
for compact designs.
A Wide Variety of Shapes and
Installation Methods
The NB slide bush is available in various types,
standard, clearance-adjustable, open, flange, etc.,
for a various applications.
Selection According to Environment
NB slide bushes are available in standard and anticorrosion
types. Available options include steelretainer
suitable for use in harsh environments and
resin retainer for low acoustic, low-cost requirement.
Other options can be specified according to the
application requirements.
Compatibility
The NB slide bush is fully compatible with a variety
of shaft types.
Low Friction
The raceway surface is precision ground. Since the
Figure C-1 Basic Structure of NB Slide Bush (SM, KB, SW)
SM type
outer cylinder
side ring
retainer
contact surface between the ball elements and the
raceway surface is minimized, the NB slide bush
provides low friction compared to other linear motion
mechanisms.
GM Series
The GM slide bush makes efficient use of resin subparts
making it possible to achieve an overall weight
reduction of 30~50% compared with the SM
slide bush. The ball return section is made of resin
material, which serves for low noise operation. Also,
cost-effectiveness expands the use of slide bush in
many applications.
Block Type Series
Block type series is a unit of NB slide bush and
a block type housing. A variety of block types
are available such as precision-machined blocks,
resin-made blocks, and cost-effective units, each
contributes to higher accuracy, light-weight, and
low-cost and design-time saving, respectively.
FIT Series
FIT series is a combination of NB slide bush and
precision-machined shaft. The best-fit between
slide bush and shaft achieves a smooth, highaccuracy
performance meeting the customer
requirements.
(see page F-16)
SMF type
flanged outer cylinder
side ring
retainer
TYPES
Table C-1 Type (1)
type standard anti-corrosion page
standard type
SM
KB
SW
SMS
KBS
SWS
C- 14
C- 68
C- 90
clearance-adjustable (AJ) type
SM-AJ
KB-AJ
SW-AJ
SMS-AJ
KBS-AJ
SWS-AJ
C- 16
C- 70
C- 92
open (OP) type
SM-OP
KB-OP
SW-OP
SMS-OP
KBS-OP
SWS-OP
C- 18
C- 72
C- 94
long type
SM-G-L − C- 20
SLIDE BUSH
double-wide type
SM-W
SMS-W
C- 22
ball element
ball element
KB-W
KBS-W
C- 74
SW-W
SWS-W
C- 96
C-2 C-3