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DIC Series Aluminum Parallel Line Coupling for Encoder & Stepper Motor - Zero Backlash
Model Number
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- Phone : +86 13431039760
- Wechat : +86 13431039760
- Whatsapp : +86 13431039760
- Email : ella@apexcoupling.com
Product Description
Key FeaturesÂ
One-Piece Slit Design: Integrated high-strength aluminum alloy structure provides high torsional stiffness and zero backlash.
H7 Bore Accuracy: Precision-engineered bore tolerance controlled within H7 for maximum concentricity and vibration reduction.
Dynamic Compensation: Effectively compensates for radial, angular, and axial misalignment.
High-Speed Capability: Rated for speeds up to 9,500 RPM, ideal for high-rotation precision environments.
Surface Finish: High-quality Anodic Oxidation for superior corrosion resistance and professional aesthetics.
Section 1: Technical Overview (The “Why”)
The DIC Series is an integrated, one-piece slit coupling designed for high-precision motion control applications. By utilizing a precision-cut parallel line pattern, this coupling provides the perfect balance between torsional rigidity and multi-axis flexibility. It is the industry standard for connecting encoders, resolvers, and stepper motors where zero backlash is non-negotiable.
Section 2: Key Engineering Features
Zero Backlash Performance: One-piece construction ensures no lost motion, making it ideal for high-frequency start-stop and reversing cycles.
H7 Standard Bore Tolerance: All bores are precision-machined to H7 tolerance, ensuring a perfect shaft fit, high concentricity, and reduced vibration at high speeds.
High-Strength 7075 Aluminum Alloy: Provides a high strength-to-weight ratio and low inertia, allowing for rapid acceleration and deceleration.
3-Way Misalignment Compensation: Effectively handles Radial, Angular, and Axial deviations while protecting sensitive motor bearings.
Anodized Surface Treatment: Enhanced corrosion resistance and surface hardness for long-term industrial durability.
Section 3: Technical Specifications Table
Note: This structured data helps Google understand your product range.
| Model No. | Outside Diameter (D) | Length (L) | Bore Range (d1-d2) | Max Speed (RPM) | Rated Torque (N.m) | Weight (g) |
| DIC-12 | 12 mm | 18.5 mm | 3 – 5 mm | 9,500 | 0.3 – 0.5 | 10 |
| DIC-16 | 16 mm | 23.0 mm | 4 – 6 mm | 9,500 | 0.5 – 0.8 | 10 |
| DIC-20 | 20 mm | 26.0 mm | 4 – 8 mm | 9,500 | 1.0 – 1.5 | 10 |
| DIC-25 | 25 mm | 31.0 mm | 4 – 12 mm | 9,500 | 2.0 – 2.5 | 10 |
| DIC-32 | 32 mm | 41.0 mm | 8 – 14 mm | 9,500 | 3.5 – 4.5 | 10 |
| DIC-40 | 40 mm | 56.0 mm | 8 – 14 mm | 9,500 | 5.0 – 8.0 | 10 |
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Section 4: Application Scope
Encoders / Resolvers: High-precision signal feedback.
Stepper & Servo Motors: Precise positioning in CNC machinery.
Medical Equipment: Smooth, low-noise operation.
3D Printers & Lab Automation: Compact design for tight spaces.
2. (For Inquiries)
New Title: Technical Analysis: Why Parallel Line Couplings Outperform Standard Connectors in Encoder Systems
Content Focus:
Slit Pattern vs. Bellows: Explain how the DIC parallel line pattern provides better torque transmission than traditional bellows in high-vibration environments.
Importance of H7 Fit: Explain that “close enough” isn’t enough for 9500 RPM. H7 prevents “shaft galling” and ensures longevity.
Maintenance-Free Operation: Highlight that because it’s a single piece of aluminum, there are no moving parts to wear out.
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DIC Parallel Line Coupling
