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home > DA-XL Double Sided Tooth Timing Belt Closed Loop Rubber Belt for CNC 3D Printer > DA-XL Double Sided Tooth Timing Belt Closed Loop Rubber Belt for CNC 3D Printer

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DA-XL Double Sided Tooth Timing Belt Closed Loop Rubber Belt for CNC 3D PrinterDA XL Double Sided Timing Belt Closed Loop Drive for CNC Machines & 3D Printers When a slipping or worn drive belt throws off your CNC router's axis positioning or causes layer shifts in your 3D prints, the entire job is ruined. Machinists, makers, and automation engineers who depend on repeatable, backlash free motion need a closed loop timing belt they can trust. The DA XL double sided tooth timing belt is engineered for exactly these demanding

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DA-XL Double Sided Timing Belt — Closed Loop Drive for CNC Machines & 3D Printers

When a slipping or worn drive belt throws off your CNC router's axis positioning or causes layer shifts in your 3D prints, the entire job is ruined. Machinists, makers, and automation engineers who depend on repeatable, backlash-free motion need a closed loop timing belt they can trust. The DA-XL double sided tooth timing belt is engineered for exactly these demanding applications.

Each belt is a single closed loop in the XL profile (5.08mm / 0.200" pitch), available in models from 180DXL (18.0" / ≈457mm pitch circumference) through 390DXL (39.0" / ≈991mm pitch circumference). Belt width options are 10mm (≈3/8") and 15mm (≈19/32"). The double-sided (DA) tooth profile means teeth are cut on both the inner and outer faces of the belt, enabling serpentine and dual-drive configurations that a single-sided belt cannot support. Construction is rubber with a reinforcing cord core for dimensional stability under tension.

Typical use cases include CNC router X/Y axis drives, laser cutter gantry systems, desktop FDM 3D printer motion systems, and light industrial conveyor or indexing applications where an XL-profile closed loop timing belt for CNC is required.

ℹ️ Compatibility: Fits any standard XL-profile timing pulley with 5.08mm (0.200") pitch. Match belt width (10mm or 15mm) to your pulley face width. Select your model number by pitch circumference — see FAQ below for sizing guidance.

✅ Key Features of These DA-XL Double Sided Closed Loop Timing Belts

⚙️Double-Sided Tooth Profile — Teeth on both inner and outer faces allow serpentine routing and dual-pulley engagement, making this belt suitable for complex CNC drive layouts that single-sided belts cannot handle.
🔁Closed Loop Construction — Seamless loop eliminates the splice point found in open-ended belts, reducing the risk of failure at the joint and maintaining consistent tension throughout the drive path.
📐XL Pitch Precision (5.08mm / 0.200") — The XL tooth profile is a globally standardized pitch widely used in CNC routers, laser cutters, and 3D printer motion systems, ensuring broad pulley compatibility.
📏Wide Model Range (180DXL–390DXL) — With over 35 size options covering pitch circumferences from 18.0" to 39.0", you can find a direct replacement for most standard machine configurations without custom cutting.
↔️Two Width Options (10mm & 15mm) — The 10mm width suits most desktop CNC and 3D printer axis drives; the 15mm width delivers greater load capacity for heavier gantry systems and higher-torque applications.
🛡️Reinforced Rubber Construction — Rubber body with a tensile cord core resists elongation under load, maintaining tooth pitch accuracy over extended use in workshop and light industrial environments.

📐 Technical Specifications — DA-XL Double Sided Timing Belt

Belt Type	DA-XL (Double-Sided, Closed Loop)
Tooth Profile	XL — trapezoidal, double-sided
Pitch	5.08mm (0.200")
Available Models	180DXL through 390DXL (pitch circumference in tenths of an inch)
Pitch Circumference Range	18.0" (≈457mm) — 39.0" (≈991mm)
Belt Width Options	10mm (≈3/8") / 15mm (≈19/32")
Material	Rubber with reinforcing cord core
Drive Configuration	Serpentine / dual-face engagement
Compatible Pulleys	Standard XL-profile timing pulleys (5.08mm pitch)
Typical Applications	CNC router axis drives, 3D printer motion systems, laser cutter gantries, light industrial indexing
Tensile Load Rating	See variant options
Operating Temperature	Contact us to confirm

⚠️ Sizing Note: The DXL model number encodes the pitch circumference in tenths of an inch (e.g., 200DXL = 20.0" circumference). Always verify your machine's required belt circumference before ordering. See the FAQ below for step-by-step sizing instructions.

❓ Frequently Asked Questions

How do I choose the right DXL model number for my machine?

The DXL model number represents the belt's pitch circumference in tenths of an inch. For example, 180DXL has a pitch circumference of 18.0" (≈457mm). To find your size: measure your existing belt's outer circumference, or count the number of teeth and multiply by the XL pitch (5.08mm / 0.200" per tooth). When in doubt, size up slightly to avoid over-tensioning your drive system.

What is the tooth pitch of the XL / DXL profile?

XL-profile timing belts have a standard pitch of 5.08mm (0.200"). This is one of the most widely used pitches in CNC routers, laser cutters, and desktop 3D printers, and is compatible with any XL-profile pulley or sprocket regardless of manufacturer.

Can this belt handle the load in my CNC router or laser cutter?

XL-profile rubber timing belts are generally rated for light-to-medium duty power transmission. For CNC routers and 3D printers, the 10mm width is typically sufficient for standard axis drives. The 15mm width provides greater load capacity and is better suited for heavier gantry systems. Contact us if you need specific tensile load data for your application.

Is this belt suitable for outdoor or high-humidity environments?

This belt is constructed from rubber with a reinforcing cord core, which generally performs well in typical indoor workshop conditions including moderate humidity. For prolonged outdoor exposure or chemically aggressive environments, a polyurethane (PU) timing belt may be more appropriate. Contact us to confirm suitability for your specific conditions.

Is the double-sided tooth design necessary for my application?

Double-sided (DA) timing belts are designed for serpentine drive systems where the belt must engage pulleys on both its inner and outer faces. If your machine uses a straightforward single-sided drive path, a standard XL closed loop belt will work. Choose the DA-XL when your drive system requires engagement on both sides of the belt simultaneously.

What pulley or sprocket is compatible with this belt?

This belt is compatible with any standard XL-profile timing pulley with a 5.08mm (0.200") pitch. Both 10mm and 15mm belt widths require pulleys with a matching or wider face width. XL pulleys are widely available from automation and motion control suppliers and are used across CNC, robotics, and light industrial equipment.

Which width should I choose — 10mm or 15mm?

Choose 10mm for standard desktop CNC machines, 3D printers, and light-duty axis drives where the OEM specification calls for a 3/8" wide belt. Choose 15mm when your system requires higher torque transmission, heavier moving masses, or when the machine's pulley face width is 15mm. Always match the belt width to your existing pulley face width to avoid tracking issues.

🛒 Select your model and belt width above, then add to cart — ships from our US warehouse.

DA-XL Double Sided Tooth Timing Belt Closed Loop Rubber Belt for CNC 3D Printer

Name: DA-XL Double Sided Tooth Timing Belt Closed Loop Rubber Belt for CNC 3D Printer
Brand: leseauxdelinval.fr
SKU: 66841532775
Price: 20.64 USD
Availability: InStock
Rating: 4.5778 (1701 reviews)