THK KRF - Model Configuration

5-2
KRF
5. Structure and Model Numbers
5.
Structure and Model Numbers
5-2
Model configuration
The following is an example of model number coding.

KRF (type without motor)
In the case of actuator main unit only or when the motor specied by the customer is installed
<Model configuration> Without motor type
KRF5R - 06 - 0150 A - 0 - WQ - D - MR-SB
(1) Model number KRF3, KRF4, KRF5, KRF6, KRF4R, KRF5R, KRF6R (R represents motor return.)
(2) Ball screw lead 06: 6 mm
10: 10 mm (For KRF3, 4, and 4R, only ball screw lead 6 is applicable.)
(3) Stroke 0150
: 150 mm (50 to 800 mm, 50 mm pitch)
The maximum stroke = KRF3: 300, KRF4: 300, KRF5: 550, KRF6: 800
(4) Design symbol A
(5) With/without motor 0: Without motor
1:
With motor
(Prepared by
THK)
When selecting "0", a coupling is not provided.
For return conguration, timing pulley and timing belt are
provided.
When selecting "1", the motor you specify will be
installed.
* Specify the motor cable orientation separately.
(6) Intermediate ange
A0
AN
AQ
AM
AP
AS
AR
AU
AT
WM
WN
WP
WQ
(7) Method of xing motor
shaft
No symbol
: To be selected when directly coupled
D : Flat side
K : Key
M : Friction tightening
Methods of xing motor shaft you can select differ depending on the model
number.
KRF4R: "D", "K", KRF5R: "D", "K", KRF6R: "D", "K", "M"
(8) Options No symbol
: None
MR : Motor right return*
ML : Motor left return*
MD : Motor down return*
GR : Change the cover color to gray
SB : With slider base

1

2
: Sensor
Add "-" from left in the order of the optional symbol.
* This is valid only when KRF

R is selected for model number (1).
(1) (4) (5)(3)(2) (6) (7) (8)