The bearing and sealing core of Baoji Dingding titanium | titanium and titanium alloy ring precision machinery

Titanium and titanium alloy rings, as the "key functional components" of mechanical equipment, are widely used for sealing, support, transmission and other core functions. Their roundness accuracy, surface finish and mechanical stability directly affect the operation efficiency and service life of equipment. Relying on the forging and precision processing advantages of "China Titanium Valley", Baoji Dingding titanium products Co., Ltd. focuses on the R&D and production of TC4, TA2, TC11 and other mainstream titanium alloy rings. Through the "forging+CNC grinding" integrated process, the roundness error of the ring is ≤ 0.3mm, and the surface roughness Ra is ≤ 1.2 μ m, which is perfectly suitable for the harsh working conditions in aerospace, petrochemical, medical devices, precision machinery and other fields.

1、 Core advantage: performance barrier of titanium and titanium alloy ring

Compared with traditional rings such as stainless steel and copper alloy, titanium and titanium alloy rings have formed significant advantages in comprehensive performance, and solved the industry pain points of traditional rings such as "easy wear, corrosion failure and accuracy degradation":

Precision dimensional stability

Using CNC lathe+superfinishing grinding process, the roundness error of the inner and outer diameter of the ring is ≤ 0.3mm, the parallelism of the end face is ≤ 0.5mm, the dimensional accuracy reaches it5 level, and there is no eccentric jitter in high-speed operation, ensuring the sealing and transmission accuracy.

High strength and wear resistance

The tensile strength of TC4 titanium alloy ring is ≥ 960mpa. After surface strengthening treatment, the hardness reaches HRC35-40. The wear resistance is three times higher than that of copper alloy. The service life under sliding friction conditions is more than 10000 hours, reducing the cost of frequent replacement.

Global corrosion resistance

The dense oxide film on the surface can resist corrosive media such as seawater, acid-base solution, aviation fuel, etc. the corrosion rate of 5000 hours salt spray test is ≤ 0.0002mm/year, which is far better than that of traditional metal rings in chemical, marine and other corrosive environments.

Lightweight and adaptability

The density is only 4.51g/cm ³, which reduces the weight by 45% compared with the steel ring of the same specification and reduces the running inertia of the equipment; It can be processed into flat ring, step ring, groove ring and other special-shaped structures to meet the installation and functional requirements of different machines.

2、 Core brand and customized specification: covering the requirements of the whole scene

According to the performance requirements in different fields, we provide standardized and customized titanium alloy ring solutions to meet the full specification requirements from micro seal rings to large support rings:

It supports customization of special-shaped ring parts (such as trapezoidal ring, wedge ring and keyway ring), and can be subject to surface strengthening treatment such as nitriding and spraying. The whole process delivery from forging blank to finished product can be completed in 15 days at least, and the green production channel is opened for emergency orders of military industry and precision machinery.

3、 Core application field: scene landing of titanium alloy ring

1. Aerospace: precision support for high-end equipment

Titanium alloy ring is the core component of sealing and transmission in aerospace equipment, bearing the test of extreme conditions:

-TC11 titanium alloy ring is used for Aero-Engine Turbine end seal. Under the high temperature of 500 ℃ and high speed rotation, the roundness accuracy remains stable, the seal leakage is ≤ 0.01l/min, and the weight is reduced by 35% compared with the high temperature alloy ring;

-TC4 step ring is suitable for spacecraft attitude control motor, with lightweight characteristics to reduce motor starting energy consumption, and non-magnetic properties to avoid interference with navigation system. It has passed space level environmental simulation test.

2. petrochemical industry: "sealed barrier" under strong corrosion conditions

In strong corrosion scenarios such as petroleum refining and chemical reactions, titanium alloy rings solve the problem of easy failure of traditional rings:

-TA2 pure titanium sealing ring is used in hydrochloric acid delivery pump, which can resist concentrated acid corrosion, and the sealing surface is free of corrosion and wear. Its service life is more than 20000 hours, and the maintenance frequency is reduced by 90% compared with that of stainless steel ring;

-TC4 wear ring is suitable for the high-pressure mud pump of oil drilling platform. Under the pressure of 150MPa and the scouring of sand containing medium, the wear amount is ≤ 0.005mm/1000 hours to ensure the continuous operation of the pump body.

3. medical devices: safe and reliable "biocompatible components"

With excellent biocompatibility, medical grade titanium alloy ring has become the core choice of high-end medical devices:

-TA2 pure titanium ring is used for artificial joint prosthesis component, and its biocompatibility meets ISO 10993 standard. It has good fit with human bone tissue, and the postoperative adverse reaction rate is less than 0.1%;

-TC4 precision ring is suitable for medical centrifuge. It has no eccentric jitter during high-speed operation to ensure the accuracy of blood separation. The surface is polished to avoid blood residue and pollution.

4. precision machinery and ship field: efficient and stable "functional carrier"

-Precision machinery: TC4 groove ring is used for the spindle seal of high-speed machine tools. The roundness error is ≤ 0.003mm to ensure the spindle rotation accuracy, and the wear resistance increases the continuous working life of the machine tools by 50%;

-Ship field: TA2 titanium alloy ring is used in the seawater cooling system of ocean going ships. It is resistant to seawater corrosion and has no biological attachment, ensuring the heat exchange efficiency and stable operation of the cooling system.

4、 Quality assurance: military industry level whole process control system

1. traceability control of raw materials: adopt ≥ 99.8% high-purity sponge titanium, which has been melted in vacuum consumable arc furnace for ≥ 3 times. Each batch of raw materials is attached with a composition analysis report, and medical grade rings are additionally provided with biocompatibility test certificates;

2. precision manufacturing process: the process of "constant temperature forging+five axis NC machining+ultra precision grinding" is adopted, and 2000 tons of fast forging machine and nano grinding equipment are equipped to monitor the processing accuracy in real time to ensure that the ring size and surface quality meet the standard;

3. full inspection and verification: 100% pass roundness meter inspection, roughness test, ultrasonic flaw detection (military grade I), mechanical property test, and aviation/military rings are additionally tested for high and low temperature fatigue and dynamic balance;

4. customized surface treatment: it can provide customized services such as pickling passivation, precision polishing, nitriding treatment, coating strengthening, etc., to improve the corrosion resistance, wear resistance and sealing performance of the ring, and meet the needs of different scenarios.

Baoji Dingding titanium: the core supplier of titanium and titanium alloy rings

The company is located in Baoji high tech Zone, the "China Titanium Valley". It has three special production lines for titanium alloy rings, with an annual production capacity of 500 tons. It has passed the ISO9001 quality management system, the national military standard gjb9001c, and the medical grade ISO 13485 certification, and is qualified for supporting military and medical equipment. The products have served more than 120 customers such as leading enterprises in aviation industry, aerospace science and technology, chemical industry and high-end medical equipment manufacturers, and become the preferred partner of titanium and titanium alloy ring.

Technical advantages: core competence of precision forming and surface strengthening of special shaped ring

Complete qualifications: ISO9001, gjb9001c, ISO 13485 certification

Service assurance: 24-hour technical support, customized solutions and rapid response

Scheme consultation: send ring specifications and working condition requirements to 530975155@qq.com Free access to the adaptation scheme and test report