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KFR Model Ball Screw Type with Bellow Cover

Model Selector(unit:mm)

Profile Width:
  • 60
  • 86
Cover Type:
  • Bellow Cover
Ball Screw Diameter:
  • 12mm
Ball Screw Lead*:
  • 05mm
  • 10mm
  • 20mm
Repeatability:
  • C: ±0.01mm
  • P: ±0.003mm
Shaft Keyway*:
  • K: With
  • None
Track Length*:
150mm - Stroke 50mm
  • 150mm - Stroke 50mm
  • 200mm - Stroke 90mm
  • 300mm - Stroke 160mm
  • 400mm - Stroke 230mm
  • 500mm - Stroke 310mm
  • 600mm - Stroke 380mm
Numbers of sliders:
  • 1
  • 2
Motor Direction:
M: Motor direct
  • M: Motor direct
  • MR: Motor right
  • ML: Motor left
  • MU: Motor up
  • MP: Motor down
Motor Flange*:
H0
  • H0
  • F0
  • F1
  • F2
  • F3
  • F4
  • F5
  • F6
  • F7
Sensor Bracket*:
  • S0
  • S1
  • S2
  • S3
  • S4
Position Sensors:
Brand
  • TPA
  • Omron
  • Panasonic
Type
  • NPN
  • PNP
Numbers
  • 1
  • 2
  • 3
Coupling:
  • D: With
  • None
Customized*:
  • F
  • None
Weight Display:
  • X
  • Y
  • Track Length*
Cover Type:
  • Bellow Cover
Ball Screw Diameter:
  • 16mm
Ball Screw Lead*:
  • 05mm
  • 10mm
  • 20mm
  • 32mm
Repeatability:
  • C: ±0.01mm
  • P: ±0.003mm
Shaft Keyway*:
  • K: With
  • None
Track Length*:
340mm - Stroke 188mm
  • 340mm - Stroke 188mm
  • 440mm - Stroke 260mm
  • 540mm - Stroke 336mm
  • 640mm - Stroke 408mm
  • 740mm - Stroke 480mm
  • 840mm - Stroke 560mm
  • 940mm - Stroke 640mm
Numbers of sliders:
  • 1
  • 2
Motor Direction:
M: Motor direct
  • M: Motor direct
  • MR: Motor right
  • ML: Motor left
  • MU: Motor up
  • MP: Motor down
Motor Flange*:
H0
  • H0
  • F0
  • F1
  • F2
  • F3
  • F4
  • F5
  • F6
  • F7
  • F8
Sensor Bracket*:
  • S0
  • S1
  • S2
  • S3
  • S4
Position Sensors:
Brand
  • TPA
  • Omron
  • Panasonic
Type
  • NPN
  • PNP
Numbers
  • 1
  • 2
  • 3
Coupling:
  • D: With
  • None
Customized*:
  • F
  • None
Weight Display:
  • X
  • Y
  • Track Length*
Selected Model:
Approx. Weight:
  • Product Detail
  • KFR60
  • KFR86
Product Structure
Selection Method
Gearbox & Coupling
Motor Turn Kits Assembly
Maintenance And Lifespan
Product Structure

KK Product Structure 1 KK Product Structure 2 KK Product Structure 3 KK Product Structure 4

Selection Method

Selection Method 1 Selection Method 2 Selection Method 3 Selection Method 4

Gearbox & Coupling

Gearbox & Coupling 1 Gearbox & Coupling 2 Gearbox & Coupling 3

Motor Turn Kits Assembly

Motor turn kits assembly 1 2 Motor turn kits assembly Motor turn kits assembly 3

Maintenance And Lifespan

1 Maintenance and Lifespan 2 Maintenance and Lifespan 3 Maintenance and Lifespan 4 Maintenance and Lifespan 5 Maintenance and Lifespan

KK Series Steel Base

Inner Structure

 
KCR Model Ball Screw Type with Fully Enclosed Steel Strip Cover_01

Product Principle

 

The KK series converts ball screw rotary motion into linear motion through a combined system of motor, coupling, and ball screw. It uses a high-precision ball screw as the transmission mechanism and a U-shaped rail design for guidance, enabling stable and accurate linear motion.

Product Advantages

 

1. Flexible Protection Against Dust and Impact

The standard bellows cover effectively shields the module from dust, cutting fluid, and other contaminants, while providing protection against minor impacts. It is well suited for demanding environments such as welding and cutting applications.

2. High-Rigidity Steel Base

The module features an alloy steel base with a low coefficient of thermal expansion, maintaining stable mechanical rigidity even under significant temperature variations.

3. Precision for Long-Stroke Applications

Compared with aluminum structures, the steel base offers greater resistance to bending over long spans, minimizing end-point vibration and maintaining stable motion accuracy throughout the stroke.

4. Integrated Lubrication Structure

A lubrication passage is integrated inside the bellows cover, allowing lubrication at designated points without removing the cover.

KFR Model Ball Screw Type with Bellow Cover

KFR Model Ball Screw Type with Bellow Cover

K series products have 4 types of protective covers, and KFR is a model with a bellow cover (telescopic cover).  The product’s external design provides a clear indication of its internal construction. This single-axis robot is built around a ball screw and slide block, featuring a compact structure and well-organized layout. The base is made of S55C medium-carbon steel and treated with phosphating and black coating to enhance surface corrosion resistance. U-shaped guideways are integrated on both sides of the base and processed by high-frequency hardening, achieving a hardness comparable to that of linear guideways while providing excellent wear resistance and high precision. The steel-base module features a two-row Gothic-arch raceway design between the guideways and slide blocks, with a 45° contact angle. This configuration enables equal load capacity in four directions, providing stable support under radial and lateral loads. The compact, integrated design reduces installation space and helps lower the overall cost of use. A range of motor flanges and other accessories can also be configured to suit different application requirements.

Specification Table-KK60 KFR60-Motor Direction1 KFR60-Motor Direction2 KFR60-Motor Direction3 Motor Flange1-KK60 Motor Flange2-KK60 Motor Flange3-KK60
Specification Table-KK86 KFR86-Motor Direction1 KFR86-Motor Direction2 KFR86-Motor Direction3 Motor Flange1-KK86 Motor Flange2-KK86 Motor Flange3-KK86