THK KRF - 4 Specifications; Basic Specification

4-1
KRF
4. Specifications
4-1
Basic specification
4.
Specifications
The basic specication of KRF is shown as follows. Do not exceed the following basic specication
when using the product. Otherwise, it may cause fault or damage, or may cause abnormal
operation that could lead to injury.
When using servo driver controller TLC/THC
Model
number
Ball screw
lead
[mm]
Stroke
[mm]
Motor
rated
output
[W]
Maximum load capacity
*2
[kg] Maximum speed at each stroke
*3
[mm/s]
Horizontal
mount
Wall
mount
Vertical
mount
Stroke
to 300 350 400 450 500 550 600 650 700 750 800
KRF4 6 50 to 300 50 6 5.5 4 300
KRF5
6 50 to 550
50
19 14 6 300 250
10 50 to 550 15 12.5 3.5 500 430
KRF6
6 50 to 800
100
35 24 10 300 260 220 200 170 150
10 50 to 800 30 22 5 500 440 380 330 290 260
*1 This assumes a speed at the rated motor revolution (3,000min
-1
).
*2 The maximum load capacity assumes the capacity at the rated speed under 0.5 G for horizontal and wall mounts,
and 0.3 G for vertical mount.
*3 The maximum speed is the value restricted by the motor rotational speed (at 3000 min
-1
) or by the permissible
rotational speed of the ball screw.
When using stepper driver controller TSC
Model
number
Ball screw
lead
[mm]
Stroke
[mm]
Maximum load capacity
*1
[kg] Maximum speed at each stroke
*1
[mm/s]
Horizontal
mount
Wall
mount
Vertical
mount
Stroke
to 300 350 400 450 500 550 600 650 700 750 800
KRF3 6 50 to 300 3 3 1.5 300
KRF4 6 50 to 300 6.5 6 4 300
KRF5
6 50 to 550 20 14.5 7.5 300 250
10 50 to 550 10 10 6 500 430
*1 The maximum load capacity and the maximum speed vary with usage conditions. For details, see "Basic
specication" and "Speed and Load Capacity Relationship Diagram" for each model number.