DFC Aluminum Spider Coupling | Zero Backlash, E-Commerce Price, OEM

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DFC Aluminum Jaw Coupling – High-Performance, E-Commerce Direct Price for Servo & Stepper Motors

Model Number
Check below, custom

Product Description

DFC Aluminum Jaw Coupling – High-Performance, E-Commerce Direct Price for Servo & Stepper Motors

The Apexcoupling DFC series is a high-performance aluminum curved jaw coupling designed to deliver exceptional value. Offering the precision of a zero-backlash, maintenance-free coupling at a competitive e-commerce direct price, it is the ideal choice for servo motors, stepper motors, and ball screw drives. Constructed from high-strength aluminum alloy with a wear-resistant German polyurethane spider, it absorbs vibration, compensates for misalignment, and ensures reliable, long-lasting operation. Backed by full 6-step quality inspection, every unit guarantees a perfect fit and stable performance.

✅ E-commerce direct pricing. Zero backlash for precise positioning. High-strength aluminum with an anodized finish. Designed for 24/7 continuous operation.

Key Technical Specifications

Parameter	Value
Brand	Apexcoupling
Model Series	DFC (Curved Jaw / Spider / Plum Coupling)
Body Material	High-strength aluminum alloy (aviation-grade 6061 available)
Spider Material	German Bayer imported polyurethane – wear-resistant, oil-resistant, electrically insulating
Surface Finish	Anodized (anti-scratch, corrosion-resistant)
Backlash	Zero (zero rotational clearance)
Bore Tolerance	H7 (high concentricity and precise fit)
Fastening Method	Clamping screw (12.9 grade high-strength)
Misalignment Compensation	Angular, radial, and axial
Operating Temperature	-30°C to 100°C (polyurethane spider)
Standard	GB/T5272-85
Customization	OEM, ODM, OBM

Product Features & Advantages

Advantage	Benefit
E-Commerce Direct Pricing	Factory-direct pricing model for exceptional value without compromising quality.
Zero Backlash Design	No lost motion – ensures precise positioning and repeatability for servo and stepper motors.
High-Strength Aluminum Alloy	Lightweight, low inertia, and high torsional rigidity – ideal for high-speed applications.
German Bayer Polyurethane Spider	Excellent wear resistance, oil resistance, and vibration damping – extends service life.
H7 Precision Bore	High concentricity and accurate shaft fit – reduces vibration and ensures smooth operation.
Anodized Surface	Enhanced corrosion resistance and a professional, anti-scratch finish.
12.9 Grade Screws	High-strength, smooth, burr-free, and resistant to loosening under vibration.
R-Chamfered Design	Radius edge treatment on jaws and cuts for safety and reduced stress concentration.
Maintenance-Free	No lubrication required – reduces operating costs and downtime.
6-Step Quality Inspection	Rigorous inspection ensures every bore fits perfectly and meets quality standards.

Why Choose the DFC Coupling?

The DFC series is specifically engineered for high-precision servo and stepper motor applications. Its unique curved jaw design, combined with the pre-loaded polyurethane spider, provides a zero-backlash connection that is essential for accurate positioning. The lightweight aluminum body reduces inertia, allowing for faster acceleration and deceleration. Designed to absorb vibration and compensate for misalignment, it significantly improves system stability and extends the life of your equipment.