KRAF Low-Torque Carbon Fiber Torque Reaction Arm
Designed for tightening applications up to 10 Nm, the KURAN KRAF combines lightweight carbon fiber arms with an adjustable balancer. Choose left- or right-fold configurations, with optional XY position detection, to suit your tool and workstation layout.
- Up to 10 Nm Tightening Applications
- 700 mm Working Radius
- 350 mm Vertical Travel
- Optional XY Position Detection
Is KRAF Right for Your Tightening Workstation?
Start with your tightening torque, fastening-point layout, tool dimensions and positioning requirements. These four checks help you determine whether KRAF fits your workstation.
Low-Torque Tightening
Consider KRAF for tightening applications up to 10 Nm. Confirm the required torque and tool orientation before selecting a configuration.
Fastening-Point Coverage
Check your fastening points against the 700 mm working radius and 350 mm vertical travel. Include fixtures and obstacles when reviewing the arm’s movement.
Tool and Clamp Fit
The KR005-UCAF clamp accommodates tool clamping diameters of 25–44 mm. Share the tool’s clamping dimensions and weight to confirm suitability.
Position Detection Needs
Choose FN for applications without position detection, or FM for XY position detection. Confirm the controller and tool interfaces when planning a positioning system.
Choose Your KRAF Configuration
Select your position-detection option and folding direction to match your workstation. The four standard configurations share a 700 mm working radius and 350 mm vertical travel.
Standard KRAF Configurations
| Model | Position Detection | Folding Direction |
|---|---|---|
| KRAF-FN-10L700 | None | Left-Fold |
| KRAF-FN-10R700 | None | Right-Fold |
| KRAF-FM-10L700 | XY | Left-Fold |
| KRAF-FM-10R700 | XY | Right-Fold |
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Lightweight Support and Position Detection
KRAF combines carbon fiber arm sections, an adjustable balancer and a vertical guide assembly to support low-torque tightening tools. FM configurations add XY position feedback for a compatible positioning controller.
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Carbon Fiber Arm Sections
Lightweight carbon fiber arm sections support repeated tool movement between fastening points.
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Adjustable Tool Balancing
The adjustable balancer supports the tool load during operation. Provide your tool’s weight to confirm the appropriate balancing setup.
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Guided Vertical Movement
The vertical guide assembly provides 350 mm of travel for tool-height adjustment within the workstation.
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XY Position Feedback
FM configurations include XY position sensors. Pair the arm with a compatible controller to use position feedback in your workstation’s control process.
Working Reach and Installation Dimensions
Review the working radius, vertical travel and tool-side interface before planning your installation. Check the fastening-point layout, mounting position and fixture clearance together to confirm workstation fit.
Working Radius and Joint Rotation
R = 700 mmThe standard configuration provides a 700 mm working radius. Use the illustrated joint rotation ranges to review access to your fastening points.
Vertical Travel and Overall Height
D = 350 mm · H = 800 mmA 350 mm vertical travel and 800 mm overall height help define the arm’s vertical installation space. Check these dimensions against your workpiece and fixture heights.
Tool-Side Interface Detail
M6 · 20 × 20 mmThe interface drawing shows the M6 connection and 20 × 20 mm detail. Confirm the mating adapter and tool arrangement with KURAN before installation.
KRAF Technical Specifications
Compare the four standard KRAF configurations below. Working radius, vertical travel and overall height are the same; position detection and folding direction vary by model.
| Model | Application Torque Nm | Working Radius R · mm | Vertical Travel D · mm | Overall Height H · mm | Position Detection | Folding Direction |
|---|---|---|---|---|---|---|
| KRAF-FN-10L700 | ≤10 | 700 | 350 | 800 | None | Left-Fold |
| KRAF-FN-10R700 | ≤10 | 700 | 350 | 800 | None | Right-Fold |
| KRAF-FM-10L700 | ≤10 | 700 | 350 | 800 | XY | Left-Fold |
| KRAF-FM-10R700 | ≤10 | 700 | 350 | 800 | XY | Right-Fold |
Tool Compatibility and System Integration
Match your KRAF arm with the appropriate tool clamp and, for FM configurations, a compatible positioning controller. Confirm the mechanical connection and control interfaces to suit your tightening workstation.
KR005-UCAF Tool Clamp
Designed for KRAF torque arms, the KR005-UCAF clamp accommodates tool clamping diameters of 25–44 mm. Provide your tool model, clamping dimensions and weight to confirm the fit.
KR002-B01 Positioning Controller
For FM configurations, the KR002-B01 controller can receive arm-position feedback. Confirm the arm signal, tightening-tool interface and required control logic with KURAN when configuring the system.
What to Confirm Before Ordering
Share your tool details and workstation layout with KURAN. The following information helps us confirm the KRAF configuration, tool clamp and positioning requirements before quotation.
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Tightening Torque and Tool Orientation
Provide the required tightening torque and indicate whether the tool operates vertically, horizontally or at an angle.
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Tool Model, Dimensions and Weight
Share the tool model, clamping diameter, weight and a photo or dimensional drawing.
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Fastening-Point and Fixture Layout
Provide a drawing or photo showing fastening points, workpiece heights, fixture obstacles and the proposed mounting position.
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Folding Direction and Position Detection
Indicate the preferred left- or right-fold arrangement and whether XY position detection is required. For FM configurations, include available controller and tool-interface details.
Frequently Asked Questions
Find answers about KRAF torque suitability, working range, tool compatibility, folding direction and optional XY position detection.
Configure Your KRAF Torque Reaction Arm
Share your tool model, required tightening torque, total tool-and-adapter weight and fastening-point layout. Include the clamping diameter, preferred folding direction and any XY position-detection needs. KURAN will review your requirements and recommend a suitable KRAF configuration.