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【Basic Knowledge Series on Rubber】What is Urethane Rubber?
Urethane rubber is a type of plastic, simply put, it is "plastic that has rubber-like elasticity." The urethane rubber we handle comes in two types: "Mirable Urethane Rubber" and "Liquid Urethane Rub…
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List of Physical Properties of Rubber Materials 【Towa Manufacturing Co.】
Our company conducts all processes from core processing of rubber rollers to rubber mixing, molding, and grinding, providing integrated production, sales, and services for rubber rollers. Here is a list of the physical properties of rubber. The aging properties section contains actual measured values from aging tests. *Please note that these are measured values and do not guarantee performance. [Excerpt of Physical Properties] ■ Liquid urethane ether type - natural color ■ Liquid urethane ester type - natural color ■ EDPM - black ■ EDPM - gray For more details, please refer to the product page or the catalog page.
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Solving Problems with Rubber Rollers [Stabilization during Adhesion of Rubber and Shaft]
Our company handles the entire process from core processing of rubber rollers to rubber mixing, molding, and polishing, featuring a consistent production of rubber rollers. Are you experiencing issues such as rough marks remaining on processed shafts or difficulty in polishing the surface? We have solutions to share. We will discuss the stabilization during the adhesion of rubber to shafts, including challenges and solutions. For more details, please refer to the product page or the catalog page.
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Solving Your Rubber Roller Problems [Are You Struggling with Replacement Frequency?]
Are you considering measures due to the soaring raw material costs? Here are some examples of improvements in rubber rollers. 【Situation/Challenge】 Company D was experiencing severe wear on the feed rollers of their printing machines and desired greater durability, while also being concerned about back transfer due to slip marks. 【Improvement Measures】 Therefore, we proposed our previously developed 'wear-resistant EPDM'. They conducted prototype evaluations. For more details, please refer to the product page or the catalog page.
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Solving Problems with Rubber Rollers [Causes of Defects and Improvement Methods]
Are you struggling with issues related to defective rubber rollers? ■ Causes of Problems - Defective core material - Defective rubber, etc. In general, the manufacturing of rubber rollers often involves core materials that are supplied or purchased from external sources. As a result, when problems occur, it can be difficult to investigate thoroughly, and it may not be immediately clear whether the issue is with the core material or the rubber, leading to unexpected costs and time delays. ■ Improvement Measures Our company offers integrated in-house production from core material selection to rubber processing. For more details, please refer to the product page or the catalog page.
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Solving Problems with Rubber Rollers [Increased Durability with Wear-Resistant EPDM]
Our developed rubber material is being used and widely adopted in existing models. Duplo Seiko Co., Ltd. develops cutting machines and printing machines tailored to customer needs, both domestically and internationally, from Wakayama Prefecture, and in this context, Towa-made parts are playing an active role. The company has been concerned about the severe wear of the feeding rollers in their printing machines and has been seeking durability, as well as worrying about back transfer due to slip marks. Therefore, we proposed the "wear-resistant EPDM" that we developed in the past. They conducted prototype evaluations. For more details, please visit the product page or the catalog page.
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Solving your rubber roller problems [Are you struggling with conveying power?]
Proposal for changing rubber types according to usage. ■ Improvement Examples - Softening the hardness of the rubber - Changing the thickness of the rubber For details, please refer to the product page or catalog page.
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Introduction of the equipment owned by Towa Seisakusho's rubber roller production factory.
We can handle all processes from core processing of rubber rollers, rubber mixing, molding, to polishing in a one-stop manner. Rubber rollers are commonly used in industrial equipment, but not much is known about the equipment used to create them. Therefore, we would like to introduce some of our equipment. At our company, we change our equipment according to the type of rubber, and we can also accommodate metal processing, allowing us to create high-precision products through core processing calculated from the completed design of the rubber roller. In particular, liquid urethane has received high praise from our clients. For more details, please refer to the product page or the catalog page.
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Liquid polyurethane rubber roller *Widely used in financial terminals
The financial terminals compatible with the new banknotes have been decided to be equipped. They are resistant to wear and have high precision. This reduces the frequency of replacements and lowers running costs. Our company manufactures high-quality "liquid urethane rubber rollers." We have had a long-standing relationship with financial terminal manufacturers, and it has been decided that our products will also be used in terminals compatible with the new banknotes. Our products are adopted in many overseas products and have received high evaluations in terms of quality. This evaluation is based on the low occurrence of troubles and the aspect of running costs. For more details, please refer to the product page or the catalog page.
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Product Introduction: High Hardness Shaft / Fine Knurling Processed Item
We would like to introduce the "High Hardness Shaft / Fine Knurling Products" handled by Towa Manufacturing Co., Ltd. The "High Hardness Shaft" can accommodate mechanisms that require high hardness by applying a quenching treatment to iron and stainless steel materials. The "Fine Knurling Products" feature a self-cleaning function to combat dirt on color images, forming fine protrusions on the surface. This contributes to reducing lifecycle costs. 【Features of High Hardness Shaft】 ■ By applying a quenching treatment to iron and stainless steel materials, it can accommodate mechanisms that require high hardness (approximately HV850). ■ Proposals using high hardness materials that are not quenched are also possible depending on the application (HV400-500). ■ Significantly contributes to reducing component costs. More details are available in related products and catalogs.
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Product Introduction: Urethane Bearing Roller
Introducing the "Urethane Bearing Roller" handled by Towa Manufacturing Co., Ltd. This product features urethane directly bonded to bearings and one-way clutches, manufactured in a way that does not affect the bearings. The outer diameter is finished with polishing. Generally, it is used in various applications such as financial terminals, ticket vending machines, transportation machinery, medical devices, food machinery, packaging machinery, and health equipment. There are no standard dimensional restrictions for the bearings used. 【Features】 - Urethane directly bonded to bearings and one-way clutches - Manufactured in a way that does not affect the bearings - Outer diameter is polished finish - No standard dimensional restrictions for the bearings used More detailed information is available in related products and catalogs.
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[Product Introduction] Gear/Pulley / Mechanical Parts and Assemblies / Control Knobs / Cassette Molds
We would like to introduce the products handled by Towa Seisakusho Co., Ltd., including 'Gears, Pulleys / Mechanical Parts, Assembled Products / Control Knobs / Cassette Molds.' By using cassette molds, we contribute to reducing initial costs by manufacturing only the variable parts. Our company conducts all processes from core processing of rubber rollers to rubber mixing, molding, and polishing, enabling us to provide integrated production and sales of rubber rollers. Please feel free to contact us when you need assistance. We provide more detailed information through related products and catalogs.
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Product Introduction: Die-cut products / Sponge rollers / Metal press parts
We would like to introduce the products handled by Towa Manufacturing Co., Ltd.: "Die-cut products / Sponge rollers / Metal press parts." "Sponge rollers" are used for the transportation of thin films and similar materials. "Metal press parts" contribute to reducing initial costs by manufacturing only the variable parts using cassette molds. Large enclosures will be considered separately. Please feel free to contact us when you need assistance. 【Features】 ■ Die-cut products - Die-cut (Mylar and rubber sheet) products ■ Sponge rollers - Used for transporting thin films and similar materials ■ Metal press parts - Contributes to reducing initial costs by manufacturing only the variable parts using cassette molds More detailed information is available in related products and catalogs.
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Introduction to Rim Molding
We would like to introduce the "Rim Molding" conducted by Towa Manufacturing Co., Ltd. "Silicone rubber" has a minimum thickness of 500μm and a rubber hardness of 1 to 40 JIS A. "PFA tubes" are available in types without creases and relaxation types. Our company carries out the entire process from core processing of rubber rollers to rubber mixing, molding, and polishing, enabling us to provide integrated production and sales of rubber rollers. Please feel free to contact us when you need assistance. 【Silicone Rubber】 ■ Minimum Thickness [μm]: 500 ■ Thermal Conductivity [W/m·K]: 0.2 to 0.6 ■ Rubber Hardness [JIS A]: 1 to 40 ■ Conductive Type (Ω): E+05 to E+07 We provide more detailed information in related products and catalogs.
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Product Introduction: General cutting parts and metal, aluminum, and resin rollers.
We would like to introduce the "General Cutting Parts and Metal, Aluminum, and Resin Rollers" handled by Towa Manufacturing Co., Ltd. In-house processing is available for outer diameters up to φ32, but larger sizes can be processed by our partner companies. We also accommodate Mitsuya pipes and other pipe processing. Additionally, depending on the size of the processing lot, overseas procurement is possible, and we can also handle various metal single items and products made of metal and resin. Please feel free to contact us when you need our services. 【Features】 ■ In-house processing range: φ4 to φ32 ■ Usable materials: SUS, SUM, AL, BSBM (brass), SK, etc. ■ Accommodates Mitsuya pipes and other pipe processing ■ Capable of handling various metal single items and products made of metal and resin ■ Overseas procurement is possible depending on the content More detailed information is available in related products and catalogs.
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Product Introduction: Various Coated Parts
We would like to introduce the "various coating parts" handled by Towa Manufacturing Co., Ltd. Starting with "urethane-coated products" that achieve high friction (high μ) by coating a urethane film on an NBR substrate, we also offer "ceramic processed products" suitable for paper, film, and repeated movement. Please feel free to contact us when you need assistance. 【Features】 ■ Urethane Coated Products - Achieves high friction (high μ) by coating a urethane film on an NBR substrate - Improves transport performance through reliable grip - Substrates are not limited to NBR ■ Ceramic Processed Products - Suitable for paper and film, and repeated movement - Offers good feeding accuracy and improves printing misalignment accuracy More detailed information is available in related products and catalogs.
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[Product Introduction] Molded Products / Irregular Press-Fit Products
We would like to introduce the "Molded Products / Irregular Press-Fit Products" handled by Towa Manufacturing Co., Ltd. "Molded Products" can provide various shapes, including blade shapes, gear shapes, and hollow shapes, as well as plate shapes. "Irregular Press-Fit Products" enable uniform paper alignment by forming phases for each blade during the press-fitting process. The precision of each angle is crucial, and these components are established through press-fitting know-how. 【Features】 ■ Molded Products - Capable of providing products in various shapes ■ Irregular Press-Fit Products - Enables uniform paper alignment by forming phases for each blade during press-fitting - The precision of each angle is important, and these components are established through press-fitting know-how More detailed information is available in related products and catalogs.
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Product Introduction: Grooved Products (NC Grinding Machine)
We would like to introduce the "Groove Machined Products (NC Grinding Machine)" handled by Towa Manufacturing Co., Ltd. By building a program on the NC grinding machine, various groove machining is possible. There are proven results for parts with a required specification of rubber position tolerance of ±0.075mm, as well as for banknote and coin identification. 【Features】 ■ Various groove machining is possible by building a program on the NC grinding machine ■ Proven results for parts with a required specification of rubber position tolerance of ±0.075mm ■ Proven results for banknote and coin identification More detailed information is available in related products and catalogs.
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Introduction to Small Assembly/Unit Production
We would like to introduce the "Small Assembly/Unit Production" conducted by Towa Manufacturing Co., Ltd. We perform small assemblies of core materials, rubber, resin, bearings, sheet metal, etc., in-house and supply them. This contributes to reducing our customers' management workload (quality, cost, ordering, inventory, etc.). In addition to small assemblies, we also accept unit production, so please feel free to let us know your needs. 【Features】 - Supply of small assemblies of core materials, rubber, resin, bearings, sheet metal, etc. - Contributes to reducing customers' management workload (quality, cost, ordering, inventory, etc.) - Supports not only small assemblies but also unit production For more details, please refer to related products and catalogs.
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Product Introduction: Pulley for Equipment Conveyance
We would like to introduce the "Pulleys for Equipment Transport" handled by Towa Manufacturing Co., Ltd. These pulleys are suitable for production system equipment transport such as FA (Factory Automation), and we also accommodate pressed ball bearings and small assemblies. Additionally, we offer repairs for degraded rubber (rubber rewrapping and hardware reuse), so please feel free to contact us. 【Features】 ■ Pulleys for equipment transport in production systems such as FA, including pressed ball bearings and small assemblies ■ Support for repairs of degraded rubber (rubber rewrapping and hardware reuse) More detailed information is available in related products and catalogs.
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Product Introduction: Wear-Resistant EPDM Type
We would like to introduce the "Wear-Resistant EPDM Product" handled by Towa Manufacturing Co., Ltd. Since it does not use carbon as a reinforcing material, there are no issues with slip marks, and it can be installed in the ADF and paper feeding units of multifunction devices. It offers wear resistance and weather resistance, contributing to a reduction in lifecycle costs due to its long lifespan. 【Features】 ■ No issues with slip marks as it does not use carbon as a reinforcing material ■ Can be installed in the ADF and paper feeding units of multifunction devices ■ Contributes to a reduction in lifecycle costs due to wear resistance, weather resistance, and a long lifespan ■ Compatible hardness: JIS A30 to 45° More details can be found in related products and catalogs.
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Product Introduction: Large Diameter Roller <Drum for High-Speed Printing Machines>
We would like to introduce the "Large Diameter Roller <Drum for High-Speed Printing Machines>" handled by Towa Manufacturing Co., Ltd. Our polishing technology has resolved issues such as negative opening dimensions and bouncing that are common in parts with irregular shapes. We carry out all processes from core processing of rubber rollers to rubber mixing, molding, and polishing, enabling us to provide consistent production and sales of rubber rollers. Please feel free to contact us when you need assistance. More detailed information is available in related products and catalogs.
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Product Introduction: Long Roller
We would like to introduce the "Long Roller" handled by Towa Seisakusho Co., Ltd. We are capable of molding rubber rollers exceeding a total length of 1 meter and performing outer diameter grinding. Our company conducts all processes from core processing of rubber rollers to rubber mixing, molding, and grinding, enabling us to provide integrated production and sales of rubber rollers. Please feel free to contact us when you need our services. We provide more detailed information in related products and catalogs.
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Product Introduction: Flat Ground Products (Flat Grinding Machine)
We would like to introduce the "Flat Grinding Products (Flat Grinding Machines)" handled by Towa Manufacturing Co., Ltd. The "Flat Platen," which is installed in passbook printers and other devices, is made by baking high-hardness rubber to form a high-precision flat surface. The "Rotating Plate (Coin Counting Machine)" improves the thickness "variation" by applying urethane rubber to the sheet metal and then performing flat grinding. 【Features】 ■ Flat Platen - Installed in passbook printers and other devices - Forms a high-precision flat surface by baking high-hardness rubber ■ Rotating Plate (Coin Counting Machine) - Improves thickness "variation" by applying urethane rubber to the sheet metal and then performing flat grinding More detailed information is available in related products and catalogs.
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【Product Introduction】Hydraulic and Pneumatic Valve Bodies / Fastener Seals / Squeeze Blades
We would like to introduce the "Hydraulic and Pneumatic Valve Bodies / Fastener Seals / Squeeze Blades" handled by Towa Manufacturing Co., Ltd. The "Hydraulic and Pneumatic Valve Bodies" are components used in industrial robots, supporting the precise operation of hydraulic and pneumatic equipment by polishing rubber diameters and R shapes to a level of 0.01mm. The "Fastener Seals" are lined with sealing material on the inner surface for each part, used to prevent internal leakage and foreign object intrusion, while the "Squeeze Blades" enable high-precision molding with a thickness accuracy of ±0.03, achieving reliable scraping. 【Features】 ■ Hydraulic and Pneumatic Valve Bodies - Supports the precise operation of hydraulic and pneumatic equipment - Products suitable for sealing, cushioning, and packing applications are also available ■ Fastener Seals - Lined with sealing material on the inner surface for each part - Used to prevent internal leakage and foreign object intrusion More detailed information is available in related products and catalogs.
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【Product Introduction】High-Precision Conveying Roller <Solving Print Misalignment in Double-Sided Printers!>
We would like to introduce the "High-Precision Conveying Roller" handled by Towa Manufacturing Co., Ltd. It is used in the conveying section of double-sided printers, where print misalignment is a concern, allowing for high-precision paper feeding and belt feeding, resulting in significantly different product runout accuracy compared to standard conveying rollers. In addition to the ribbed tube type shown in the photo, solid shaft types can also be processed. More detailed information is available in related products and catalogs.
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Product Introduction: Liquid polyurethane rubber rollers used in financial terminals.
We would like to introduce the "Liquid Urethane Rubber Rollers" handled by Towa Manufacturing Co., Ltd. This product is widely used in rollers for financial terminals, and the raw materials are classified into ether-based and ester-based materials. "Ether-based liquid urethane rubber" excels in abrasion resistance and hydrolysis resistance, and is available in high-strength grades (hardness A70-95°) and low-hardness grades (hardness A50-70°). "Ester-based liquid urethane rubber" excels in abrasion resistance, ink resistance, and chemical resistance, and is also available in high-strength grades (hardness A70-95°) and low-hardness grades (hardness A50-70°). More details are available in related products and catalogs.
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[Catalog Introduction] Rubber Rollers Catalog <Includes adhesive rubber rollers suitable for dust removal>
Towa Manufacturing Co., Ltd. is a company that handles components for financial terminal-related equipment, office equipment parts, industrial rubber products, and related products. At our Watari factory, we conduct a consistent production and sales process for rubber rollers, from core processing to rubber mixing, molding, and polishing. We offer a wide range of products, including "Heat Rollers (thin type)," "Adhesive Rollers," and "High-Precision Conveyance Rollers." [Contents] ■ Business Overview and Features ■ Prototype, Development, and Processing Technology for Rubber Rollers ■ Product Types ■ Production Equipment ■ Product List More detailed information is available from related products and catalogs.
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Technical Introduction / Product Catalog: Rubber Rollers
Our company conducts all processes from core processing of rubber rollers to rubber mixing, molding, and polishing, providing integrated production, sales, and services for rubber rollers. With a variety of formulations and methods, and through collaboration with partner companies, we can optimize our offerings to meet customer requests and requirements. Since we manufacture the cores in-house, we can respond flexibly to fluctuations in demand. We offer a wide range of products, including "heat rollers (thin type)," "adhesive rollers," and "high-precision transport rollers." 【Business Activities】 ■ Production and sales of rubber rollers ■ Prototype development and processing technology for rubber rollers More detailed information is available in related products and catalogs.
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Product Introduction: Sound-absorbing Rubber for Anechoic Tanks 'TS-50 Type'
We would like to introduce our sound-absorbing rubber 'TS-50 type' for anechoic tanks. This product has a good sound absorption rate even at low frequencies compared to wooden sound-absorbing wedges, and it allows for stable measurements over a long period due to minimal water quality contamination. Since it does not use wood and does not decay, maintenance and servicing of the tank are easy. It also contributes to environmental protection. Additionally, the facility costs are lower compared to wooden alternatives. 【Features】 ■ Good sound absorption characteristics even at low frequencies (5kHz) ■ Stable sound absorption characteristics under pressure (4kg/cm²) ■ Minimal changes over time, allowing for stable measurements ■ Minimal water quality contamination, making tank maintenance and servicing easy ■ Does not use wood, contributing to environmental protection ■ Lower facility costs compared to wooden alternatives More details can be found in related products and catalogs.
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Product Introduction: 2-Layer Roller
We would like to introduce the "Two-Layer Roller" handled by Towa Manufacturing Co., Ltd. This product features a roller that achieves high hardness and high friction coefficient by utilizing a two-layer design, allowing for flexible configurations based on required characteristics. It also excels in resilience compared to cases where a sponge is used for the inner layer. Additionally, we have a proven track record with rubber materials such as EPDM and liquid urethane. For more details, please contact us. 【Features】 ■ Hard rubber is used for the outer layer ■ Achieves high hardness and high friction coefficient through a two-layer design ■ Allows for flexible configurations based on required characteristics ■ Proven track record with rubber materials such as EPDM and liquid urethane More detailed information is available in related products and catalogs.