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Product Description

Product Description

Transco 's Rubber Raw Edge Cogged V Belt: 

A Raw Edge Cogged V Belt is a specialized type of V-belt widely used in mechanical power transmission systems. It is designed with an emphasis on durability, efficiency, and improved performance in high-load applications. This belt type is known for its "raw edge" design and the presence of cogs (or notches) along the surface, which offer unique advantages over traditional smooth V-belts.

The raw edge design provides superior traction and less slippage, leading to more efficient power transmission between the motor and the machinery. This reduces the energy loss typically associated with traditional smooth V-belts. The cogged design allows for more flexibility, enabling the belt to bend easily around smaller pulleys. This makes raw edge cogged V belts ideal for compact systems or applications requiring smaller pulleys. The cogged notches help increase airflow between the belt and the pulleys, reducing the likelihood of heat build-up, which can extend the life of the belt and prevent premature failure due to overheating. The stronger materials and design features of raw edge cogged V belts, such as their resistance to heat, chemicals, and wear, ensure they have a longer operational life compared to traditional V-belts. Due to their improved performance, longevity, and reliability, raw edge cogged V belts often require less maintenance and replacement, reducing overall maintenance costs in industrial settings. These belts can handle high power and torque transmission, making them suitable for industrial machines, HVAC systems, agricultural equipment, and more.

Structure

1. Top Fabric: The top fabric layer is the outermost surface of the belt. It is usually made from durable, wear-resistant fabric. This layer serves to protect the belt from external physical damage and increases the friction between the belt and the materials being transported, ensuring smooth and efficient power transmission. It also contributes to the belt's overall durability.
2. Adhesion Rubber: The adhesion rubber layer is used to bond the different construction layers together. It provides strong adhesion, preventing delamination or material separation. This layer also enhances the belt's overall durability and resistance to tearing and stretching. The adhesion rubber layer helps maintain the structural integrity of the belt under various operating conditions.
3. Polyester Cord/Aramid Cord: This layer consists of polyester or aramid cords embedded within the rubber structure. These cords provide the belt with high tensile strength and contribute to its load-bearing capacity. Polyester is commonly used for general-purpose applications, while aramid (such as Kevlar) is stronger, more heat-resistant, and offers higher tensile strength, making it ideal for more demanding applications in extreme conditions.
4. Bottom Rubber: The bottom rubber layer is placed beneath the cord reinforcement. This layer helps to protect the reinforcing cords and provides additional flexibility and cushioning for the belt. The rubber also offers resistance to external abrasions, heat, and chemical exposure, ensuring the belt's long-term durability and performance.
5. Bottom Fabric: The bottom fabric layer is similar to the top fabric layer, but it serves a different purpose. It enhances the belt's anti-friction properties, improving its performance when in contact with the surface of machinery or pulleys. This fabric layer is typically anti-slip, increasing the friction between the belt and the working surface, preventing slippage, and improving the overall mechanical performance of the belt.

Specification

Product Name	Cogged V Belt Raw Edge V Belt
Brand	Transco
Materials	Natural Rubber or Neoprene Rubber (Cr) or EPDM
Cord	Kevlar and Polyester Cord
Angle	40
Temperature Resistance	-30℃ --- +110℃
Features	Electrically conductive (ISO 1813), Resistance to temperatures
OEM/ODM	Accept
Transport Package	Cartons/Pallet, Express Delivery and Sea Freight
Package Size	65cm * 37cm * 26cm or As Required
Certificate	ISO9001/ISO45001/ISO14001
Place of Origin	Ningbo, Zhejiang
Customization Supported	Yes

Cross Section	Top Width(mm)	Height(mm)	Angle	Length Range (Inches)
ZX	9.5	8	40	on request
AX	13	9	40	on request
BX	17	11	40	on request
CX	22	13	40	on request
XPZ	10	8	40	on request
XPA	13	10	40	on request
XPB	17	13	40	on request
XPC	22	18	40	on request
3VX	9	8	40	on request
5VX	15	13	40	on request
8VX	25	23	40	on request

Our Advantages and Features

Notches reduce bending stress, allowing the belt to wrap more easily around small-diameter pulleys and allowing better heat dissipation. Excessive heat is a major contributor to premature belt failure.
Bending stress (red area) is evenly distributed in a well-engineered notched v-belt, while the tensile cord (between red and yellow bands) remains well supported, all without sacrificing flexibility.

The raw edge design reduces bending resistance and friction, leading to improved power transmission efficiency.
This results in less energy loss during operation, which can contribute to fuel efficiency and overall performance in automotive applications.
Engineering a notched belt is a balancing act between flexibility, tensile cord support, and stress distribution.
Precisely shaped and spaced notches help to evenly distribute stress forces as the belt bends, thereby helping to prevent undercard cracking and extending belt life
The oil and heat-resistant top cover protects the belt from damage while contributing to the belt's dimensional stability.
The cover stock is bias cut to provide lateral stability while allowing axial flexibility.

Production Process

Mould Workshop

Calender Rubber

Wrapping Cloth

The mould workshop is where the initial shaping of the V-belt begins. This step involves creating precise molds for different sizes and types of V-belts.Mold Creation: Custom molds are designed to match the specific dimensions required for each V-belt type. These molds will form the belt's shape during the vulcanization process. The molds are typically made of high-strength steel to withstand the heat and pressure of vulcanization.
Belt Design Consideration: The molds are designed not only for the overall shape of the V-belt but also to accommodate the "raw edge" feature (no finishing on the edges) and the cogged design (notches along the surface). This design ensures that the belt provides enhanced grip, flexibility, and durability during operation.

Rubber Compounds: The rubber for the V-belt is prepared using a specific compound designed to provide durability, heat resistance, and flexibility. This may include materials such as EPDM, neoprene, or other synthetic rubbers.

This step involves preparing the rubber material, which serves as the base for the V-belt. The rubber compound is processed into thin sheets that are suitable for further reinforcement and molding. Rubber Mixing: The rubber compound is prepared by blending synthetic rubber, such as EPDM, or neoprene, with various additives like carbon black (for strength), plasticizers (for flexibility), and curing agents. The mixture is carefully controlled to achieve the desired balance of flexibility, strength, and heat resistance. Calendering Process: The rubber compound is passed through a set of calendering rollers. This machine flattens the rubber compound into long, even sheets. Calendering ensures uniform thickness and texture, which is essential for the consistent quality of the final V-belt. Sheet Characteristics: These rubber sheets will be used as the base layer of the belt. They are often coated with anti-friction agents or other compounds that enhance their durability and resistance to wear.

The wrapping cloth layer is added to reinforce the rubber and improve the belt's overall strength and durability. The fabric also plays a key role in improving the belt's resistance to wear and ensuring smooth movement within the pulley system. Fabric Selection: The cloth used is typically made from polyester, fiberglass, or nylon. These materials are chosen for their high tensile strength and resistance to stretching.
Wrapping Process: The fabric is wrapped around the rubber base layer. This cloth is embedded within the rubber compound, which not only enhances the belt's strength but also provides stability and resistance to external stresses.
Functionality: The fabric layer serves several purposes, including improving the belt's ability to withstand mechanical stresses, reducing the risk of stretching under high tension, and providing wear resistance. It also prevents the rubber from cracking under prolonged exposure to heat and mechanical stress.

Winding Tensile Cord

Vulcanization Workshop

Whole Mold Cutting

Tensile cords are integrated into the rubber compound to increase the belt's tensile strength and load-bearing capacity. This step is critical for ensuring that the belt can handle high loads without stretching or breaking. Cord Material: The tensile cords can be made from materials like polyester, fiberglass, or aramid fibers (e.g., Kevlar). Polyester is commonly used for general-purpose belts, while aramid is chosen for high-performance applications due to its superior strength and heat resistance. Winding Process: The tensile cords are wound around the rubber sheet in a precise pattern. This step ensures that the cords are evenly distributed throughout the belt, providing uniform strength across the length of the belt. These cords are typically wound under tension to ensure that they maintain their strength and prevent slack. Integration with Rubber: The cords are then embedded into the rubber, allowing them to bond securely during the vulcanization process. The cord reinforcement helps the belt resist stretching and elongation, which is crucial for maintaining its performance under heavy loads.

Vulcanization is the critical process that transforms the rubber into a durable and elastic material, giving the V-belt its strength and heat resistance. This process involves heating the rubber under pressure to create strong molecular bonds between the rubber molecules.

Vulcanizing Presses: The rubber belt, along with the fabric and cords, is placed into vulcanizing molds. These molds are heated to a high temperature (typically between 140°C to 180°C) and placed under high pressure. Curing: The vulcanization process causes the sulfur atoms in the rubber compound to form cross-links with the rubber molecules. This cross-linking improves the rubber's elasticity, heat resistance, and durability. The belt becomes resistant to wear, fatigue, and aging, making it suitable for high-stress applications. Final Shaping: The mold used during vulcanization also determines the final shape of the belt, including the notched design (cogging) and the raw edge feature. The high heat and pressure ensure that all components—rubber, fabric, and cords—bond together seamlessly.

The final step involves cutting and shaping the V-belt into its finished form. This includes trimming any excess rubber and making sure the belt is properly sized and shaped for use. Cutting: Once the vulcanization process is complete, the belt is removed from the mold. The next step is cutting the belt into the required length and trimming any excess material along the edges. The edges of the belt are carefully inspected and finished to ensure uniformity and precision. Cogging: If not already done during the vulcanization process, the cogged design (notches) is created. This can be done using specialized cutting machines that create even, evenly spaced notches along the surface of the belt. These notches allow the belt to be more flexible and help reduce heat buildup, increasing the overall performance of the belt.
Inspection and Testing: After cutting, the V-belt undergoes a thorough inspection to ensure it meets all specifications, including proper dimensions, cogging, and overall quality. The belt may also undergo various performance tests, such as load testing, flexibility testing, and heat resistance testing.

Raw Edge Cogged V Belts are commonly used in various industries due to their efficiency and strength.

Agricultural Machinery: For driving equipment like combines, tractors, and other farming machinery.
Automotive: Power transmission in various car components, including alternators, compressors, and water pumps.
Industrial Machinery: Used in conveyor systems, heavy-duty machinery, and power generation systems.
HVAC Systems: In air handling units, fans, and blowers where a flexible and efficient drive system is required.
Pumps and Compressors: Where high torque and reliable performance under demanding conditions are critical.

Certifications

These three certificates are ISO management system certifications obtained by Ningbo Transco Belt Co., Ltd.

The three certificates covering environmental, quality, and occupational health & safety management.

1. ISO 14001 (Environmental Management System Certification)Proves the enterprise can systematically control environmental impacts (e.g., pollution, resource waste) during the design and production of rubber belts. It helps enhance environmental compliance, reduce environmental risks, and meet the environmental requirements of clients (especially those with green supply chain standards).

2.ISO 9001 (Quality Management System Certification)Demonstrates the enterprise's ability to consistently provide products that meet customer needs and regulatory requirements. It is a core proof of quality control capability, helping to enhance customer trust, expand market access (especially for international clients), and improve operational efficiency.

3.ISO 45001 (Occupational Health & Safety Management System Certification)Verifies the enterprise's ability to prevent work-related injuries and illnesses, protecting employees' occupational health and safety. It helps reduce safety accidents, meet legal obligations, improve employee satisfaction, and meet the OHS requirements of clients and supply chains.

Packing & Delivery

If you want to purchase any products from China, you can contact us. We will use the best resources to help you for free!

To ensure shipping fees and delivery schedules align with your needs, let's collaborate to craft the ideal plan. Connect with us directly to discover smooth shipping solutions and bespoke arrangements, perfectly tailored to your requirements.

Customer Feedback

Company Profile

20+ Years Experience and Advantage of Scale

Excellent Service and Comprehensive Procurement Capacity

With a focus on designing, manufacturing, marketing, and installing a diverse range of belts, our company has established a modern production line equipped with advanced testing and controlling laboratories. We boast a professional team dedicated to research and development, production, sales, and service. As a leading manufacturer and exporter in China, Transco Belt offers a comprehensive range of rubber and conveyor belts, catering to various industries worldwide.

If you want to purchase any products from China, you can contact us. We will use the best resources to help you for free!

With a philosophy centered on "Connecting everything with Transmission and Science, " we are dedicated to assisting our customers in achieving efficient operations, extended service life, and superior product quality. Our team of experts works closely with clients to understand their specific requirements and deliver tailored solutions that meet or exceed their expectations. By prioritizing innovation, reliability, and customer satisfaction, we aim to forge lasting partnerships and drive mutual success.

Dear customer, we sincerely hope that after reading this, you can get in touch with us, send us an inquiry or TM message. We sincerely look forward to serving you and hope that our sincere service can bring you unlimited business opportunities!

FAQ

Q1:Are we a factory?

Yes, we are a factory that has been producing rubber V-belts and conveyor belts for over 20 years. We supply products to all parts of the country.

If you want to purchase any products from China, you can contact us. We will use the best resources to help you for free!

Q2:How can we guarantee quality?
I. Pre-production sample before mass production
II. Processing Inspection before shipment.

Q3:What can you buy from us?

Our products are diverse, rubber v belt, classical wrapped v belt, narrow v belt, lawn mower belt, banded v belt, agricultural belt, cogged v belt, motorcycle belt, variable speed belt, poly ribbed v belt, washing machine belt, industrial timing belt, auto timing belt, pu timing belt, power twist v belt, pu v belt, steel cord conveyor belt, rubber conveyor belt, chevron conveyor belt, sidewall conveyor belt, flat conveyor belt and pu/pvc conveyor belt.

Q4:Why choose and trust us?

We have more than 20 years experience of producing and exporting rubber v belt and rubber cconveyor belt. We have our own design team and QC team, customized designs and quality are welcome!

Q5:What is the MOQ?

Different products has different moq, depends on which item you want. The more you order, the production cost will be less!

Q6:Can I customize my logo or packaging?

Yes. We offer OEM and ODM services. You can add your logo on products, packaging bags, or display cards.

Q7:How long is the production and delivery time?

If the order quantity is small and delivered by express delivery, it will take 10-15 working days. If the order quantity is large and delivered by sea, it will take no less than 25 working days.

Q8:Do you inspect the products before shipping?

Yes. Every item will be carefully checked before packing to ensure good quality.

Q9:Do you offer free samples?

The sample is free, but shipping cost is paid by the customer. Sample fee can be refunded after bulk order.

Q10:How about the packages?

Usually the goods will be packed by our brand cartons. Customized logo is accepted, but depends on your qty.

Q11:What services can we provide?

Accepted Delivery Terms: FOB, CFR, CIF, EXW, FAS, CIP, FCA, CPT, DEQ, DDP, DDU, Express Delivery, DAF, DES
Accepted Payment Currency:USD, EUR, JPY, CAD, AUD, HKD, GBP, CNY, CHF
Accepted Payment Type: T/T, L/C, MoneyGram, PayPal, Western Union, Cash