Tire Bladder Mold

Your Professional Tire Bladder Mold Manufacturer！

Qingdao Lianhezhong Machinery Co., Ltd. specializes in the research and development, design and manufacture of tire molds, including various giant tire molds, bicycle tire molds, motorcycle tire molds, and automobile tire molds. In addition, the company has developed products that are easy to operate and stable according to the actual needs of customers through continuous improvement.

All-steel Tire Mold
The all-steel tire mold is mainly composed of three parts: the upper mold, the lower mold and the side mold. These parts form the shape of the tire through precise matching. Among them, the upper
Semi-steel Tire Mold
Semi-steel tire mold is a tire with a complex structure. Its carcass braided layer is made of steel wire and fiber, which has high strength and rigidity. Compared with full-steel tire molds,

Why Choose Us

Quality Control

We strictly follow the brand's quality standards to control quality and ensure the quality and performance of the mold. After production is completed and accepted, the mold will be delivered and corresponding after-sales service will be provided.

ODM Service

Design tire molds that meet customer needs based on tire specifications, performance requirements, tread patterns and other information provided by customers.

Quick Response

We promise to respond to your inquiries within 24 hours to ensure that you receive the information and support you need in a timely manner.

Tire Bladder Mold - Overview

A tire bladder is a durable, inflatable rubber bag that fits inside an uncured (green) tire and is used in a tire mold to provide the tire's final shape and tread pattern during the vulcanization (curing) process. Steam, hot water, or inert gas is injected into the bladder, inflating it and pressing the tire's inner surface against the inner walls of the mold.

Product Specification

We offers the following product specifications

Manufacturing Processes	Extrusion Mould
Cavity	Multi-cavity
Surface Treatment	Polish
Working Temperature	(-60℃-200℃)
Certification	ISO9001
Mould Life	500000-1000000 times
Warranty	1 Year
Customized	Customized
After-sales Service	1 Year
Condition	New
Material	Steel
Transport Package	Woonden Case, Pallet or in Bulk
Specification	As request
Origin	China

Common types

All-steel Tire Mold

The all-steel tire mold is mainly composed of three parts: the upper mold, the lower mold and the side mold. These parts form the shape of the tire through precise matching. Among them, the upper mold and the lower mold are responsible for forming the tread and bottom of the tire respectively.

Semi-steel Tire Mold

Semi-steel tire mold is a tire with a complex structure. Its carcass braided layer is made of steel wire and fiber, which has high strength and rigidity. Compared with full-steel tire molds, semi-steel tire molds can improve the stability and handling of the vehicle while avoiding reducing.

Materials

Our tire mold manufacturing experts are experienced with the following materials:
- Stainless Steel: 300 Series, 400 Series , PH17-4 and PH17-7
- Tool Steel: 01, A2, D2, M4, M7 and 4140
- Maraging Steel: 18Ni300
- Carbon Steel: 1018 and A36
- Aluminum: 6061-T6, 5052-H32, 3000, 1100 and AlSi12
- Copper: C110
- Brass: 260
- Machinable Plastics: PEEK, acetal, Ultem and Delrin

Process

Curing is the process of applying pressure to the green tire in a mold in order to give it its final shape, and applying heat energy to stimulate the chemical reaction between the rubber compounds and other materials.

In this process the green tire is automatically transferred onto the lower mold bead seat, a rubber bladder is inserted into the green tire, and the mold closes while the bladder inflates. As the mold closes and is locked the bladder pressure increases so as to make the green tire flow into the mold, taking on the tread pattern and sidewall lettering engraved into the mold. The bladder is filled with a recirculating heat transfer medium, such as steam, hot water, or inert gas. At the end of cure the pressure is bled down, the mold opened, and the tire stripped out of the mold.
Excellent venting to prevent trapped air.
Minimum innerliner consumption.
The smooth and simple final tire inspection due to constant surface structure. Imperfactions can be easily detected leading to extra ordinary final finish performance.

Customization Process

Requirement Discussion

Design Proposal

Our professional team will develop a design proposal and provide a quotation based on your requirements.

Sample Production

We produce samples according to the design proposal and conduct rigorous testing.

Mass Production

Upon your approval, we commence mass production to ensure timely delivery and consistent quality.

After-Sales Service

We offer ongoing technical support and service to ensure the long-term stable operation of our products.

Package & Delivery

1. Package: Standard export package
2. Delivery: By air express, by sea

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FAQ

Q: What is the bladder in tyre curing?

A: A tire bladder could be described as a sort of inflatable rubber bag that is meant to expand into a green tire situated in a mold. By applying internal pressure to the inner bladder cavity, which is supplied by a fluid such as gas, hot water, or steam, the bladder will expand.

Q: What is the curing temperature of a tire?

A: During the curing process, the green tire is heated up to ~200°C to bond each element. The curing process depends on the size of the tire and can take anywhere from 15 minutes to an entire day. In tire manufacturing, the curing process is critical for ensuring the durability and quality of the final product.

Q: What is the shape of the curing bladder?

A: A tire curing bladder with improved contact pressure and fit in the tire shoulder area to prevent issues like uneven gauge, trapped air, and liner cracking. The bladder has a toroidal shape with opposing beads and a wave-shaped expansion section.

Q: What is the bladder molding process good for?

A: Bladder molding is one of the most available technologies for composite parts that have complex shapes like parts that have hollow areas and high fiber content. Bladder molding will reduce the number of tools and steps required to manufacture the part — bladder RTM technology for the manufacture of hollow parts.

Q: Are you a factory or trading company ?

A: We are an SGS recognized OEM / ODM manufacturer and trading company with ISO9000 and export license.

Q: What kind of tire mold can you design and produce?

A: Two-piece molds and segmented mold.
Especially for Agricultural tire mold, OTR tire mold, giant OTR tire mold, Bladder mold, Tube mold, Flap mold, ATV tire mold,PCR tire mold,etc.

Q: What's the fabrication time for the mold?

A: Normally, for segmented tire mold and other small tire molds, the fabrication time is 45-60 days.
About big farm tire mold and giant OTR tire mold, the fabrication time is approx 70-90 days.

Q: Why choose you?

A: We have more than16 years'experience in rubber industry.We have highly experienced engineers and skilled workers.

Q: How can you guarantee the quality of your tire mold?

A: We control each fabrication procedure and guarantee every dimension is fabricated correctly.
Meanwhile, all of the molds will be double inspected according to the drawings to guarantee every part is same as drawing. Then we send inspection report and photos for customers' checking before shipment. All of our molds will be guaranteed at least one year.

We're professional tire bladder mold manufacturers and suppliers in China, specialized in providing high quality products and service. We warmly welcome you to buy high-grade tire bladder mold made in China here from our factory.

All steel Tire Mold, Semi steel Tire Mold, tire bladder mold

Your Professional Tire Bladder Mold Manufacturer！

Product Specification

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Package & Delivery

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