PU Timing Belt with Steel Cord

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Dây curoa răng PU lõi thép là loại dây đai răng đồng bộ, được sản xuất từ nhựa Polyurethane kết hợp với lõi thép chịu lực

Các Tùy Chọn Gia Công Dây Curoa Răng PU Lõi Thép

Phân Biệt Dây Curoa Răng PU Loại T và AT

Basic Technical Specifications

T Series (Trapezoidal Teeth):
- T5: 5 mm pitch; 1.78 mm tooth width; 2.2 mm total height; standard widths 6–50 mm.
- T10: 10 mm pitch; 3.48 mm tooth width; 4.5 mm total height; widths 16–100 mm.
- T20: 20 mm pitch; 6.50 mm tooth width; 8.0 mm total height.
AT Series (High-Load Enhanced Teeth):
- AT5: 5 mm pitch; 2.50 mm tooth width; 2.7 mm total height; widths 6–75 mm.
- AT10: 10 mm pitch; 5.00 mm tooth width; 4.5 mm total height; widths 16–150 mm.
- AT20: 20 mm pitch; 10.0 mm tooth width; 8.0 mm total height; widths 25–200 mm.

Chat với nhân viên tư vấn Báo giá: 0917 657 946

PRODUCT INFORMATION

PU timing belts with steel core are precision power transmission solutions designed for high load capacity, durability, and stable operation. Made from high-quality Polyurethane (PU) reinforced with steel tensile cords, these belts offer excellent dimensional stability, wear resistance, and reliable performance in CNC machines, printers, food conveyors, pharmaceutical systems, and many modern industrial applications. Belota supplies high-quality PU steel core timing belts that help businesses improve operating efficiency and extend equipment lifespan.

What Is a PU Timing Belt with Steel Core?

A PU Timing Belt Steel Core is a synchronous timing belt manufactured from durable Polyurethane combined with high-strength steel cords. This structure provides high load-bearing capacity, minimal elongation, and excellent operational stability even in demanding industrial environments.

Common Belt Profiles

Trapezoidal Teeth: T5, T10, T20, AT5, AT10, AT20
Curvilinear / Round Teeth: 3M, 5M, 8M, 14M, S5M, S8M (HTD / STD series)

Technical Advantages

Excellent Dimensional Stability

The steel core minimizes belt elongation during operation, ensuring highly accurate positioning and stopping points. This is especially important in CNC machines, printing systems, and automation equipment. Compared with Kevlar core PU timing belts, steel core belts generally provide better dimensional stability and higher load capacity for precision applications.

High-Speed Performance

Capable of operating at linear speeds up to 80 m/s, suitable for high-speed industrial systems.

Chemical Resistance

PU material offers excellent resistance to oil, abrasion, hydrolysis, and UV/Ozone exposure.

Clean & Hygienic

Unlike conventional rubber belts, PU timing belts do not generate black rubber dust, making them ideal for cleanrooms, pharmaceutical, medical, and food processing industries.

Wide Operating Temperature Range

Stable operation from -5°C to +80°C

(Note: Not suitable for high-temperature oven applications.)

Basic Technical Specifications

Belt Type	Pitch	Tooth Width	Total Height
T5	5 mm	1.78 mm	2.2 mm
T10	10 mm	3.48 mm	4.5 mm
T20	20 mm	6.50 mm	8.0 mm
AT5	5 mm	2.50 mm	2.7 mm
AT10	10 mm	5.00 mm	4.5 mm
AT20	20 mm	10.0 mm	8.0 mm

Standard Belt Widths

T5: 6, 10, 16, 32, 50 mm
T10: 16, 25, 32, 50, 75, 100 mm
AT5: 6, 10, 16, 25, 32, 50, 75 mm
AT10: 16, 25, 32, 50, 75, 100, 150 mm
AT20: 25, 32, 50, 75, 100, 150, 200 mm

Difference Between T and AT PU Timing Belts

Many customers confuse T10 and AT10 belts because they share the same pitch. However, the tooth design and load capacity are different.

Tooth Engagement Identification

T Series (T5, T10, T20): When two belt tooth surfaces are pressed together, the teeth fully mesh without gaps due to the smaller 40° tooth angle.
AT Series (AT5, AT10, AT20): A visible gap appears between the tooth tips and roots because the AT profile has wider and deeper teeth with a larger 50° tooth angle.

Performance Differences

AT Series

Wider tooth design
Stronger tooth root structure
Better pulley engagement
Reduced backlash
Approximately 50% higher load transmission capacity compared to T series belts of the same size

T Series

Standard belt profile
Suitable for light to medium load applications

Customization Options for PU Steel Core Timing Belts

PU timing belts offer high customization flexibility for different industrial applications.

Belt Types

Open-End Belts: Available in long rolls such as 50m or 100m. Suitable for linear motion systems and automatic doors.
Welded Endless Belts: Heat-welded from open-end belts. Commonly used for light conveyor applications. (Note: Welded joints typically provide about 50% of the tensile strength of truly endless belts.)
Truly Endless Molded Belts: Seamless molded belts with 100% tensile strength, suitable for heavy-duty power transmission systems.

Surface Covering Options

Red or green rubber coating for higher friction
Foam or nylon fabric coating for shock absorption and increased grip
Green fabric coating (NFT/NFB) for noise reduction
Cleats and guides welded onto the belt back for product conveying applications

Typical Applications

Food & Pharmaceutical Industry: Conveyors for candy, bakery products, and pharmaceutical packaging systems.
Glass & Ceramic Industry: Transporting glass sheets and ceramic tiles, often using rubber-coated belt surfaces for enhanced grip.
Precision Machinery: Large-format printers, CNC machines, robotic arms, and textile machinery.
Paper & Packaging Industry: Paper winding and cutting systems.

When selecting a PU timing belt with steel core, choosing the correct tooth profile (T or AT) and belt construction (welded or truly endless) is extremely important to avoid premature belt failure under load.

Need technical support or a quotation for PU timing belts? Contact Belota today via Hotline/Zalo: 0917 657 946 for fast consultation and the best solution for your industrial system.

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