Tren Lokomotif Fren Terliğinin Aşınması ve Dayanıklı Fren Pabucu

ÜRÜN PARAMETRELERİ

Fabrika Deneyimi:o zamandan beri 1998İşleme Zanaatı:Çizimler → kalıp yapımı → basınçlı döküm → kaba işleme → CNC işleme → yüzey işleme → ürün kontrolü → paketleme → teslimat Denetleme:1.Şirket içi dökümhane: 100% kritik boyutta inceleme; 100% görünüşte. 2.Gerektiğinde üçüncü taraf denetimi mevcuttur Sertifikalar: ISO9001, ISO14001, İÇİNDE 15085 ve IRISÖzelleştirme: OEM,ODM

TEKLİF İSTE

Tanım

TEKLİF İSTE

Tanım

Introduction of Rail Train Brake Shoe

The brake part that directly rubs the wheels to stop the train is called a slipper. A shingle-shaped brake block made of cast iron or other material that holds the wheel tread tightly during braking and stops the wheel by friction. Bu süreçte, the braking device needs to convert the enormous kinetic energy into heat and dissipate into the atmosphere. The braking effect is good or bad, but mainly depends on the dissipation ability of friction heat energy. When using this braking method, the friction area of the brake shoe is small, and most of the heat load is borne by the wheel. The higher the train speed, the greater the heat load on the wheels when braking. If cast iron brake shoe is used, the temperature can melt the brake shoe; Even if the more advanced synthetic brake shoe is used, the temperature will be as high as 400~450 ° C. When the temperature of the wheel tread increases to a certain extent, it will make the tread wear, crack or peel, which will affect the service life and also affect the driving safety. It can be seen that the traditional tread brake shoe can not meet the needs of high-speed trains.

Özellikleri Rail Train Brake Shoe

(1)good thermal stability. The resin decomposition temperature is high; the actual measurement temperature of 377 degrees Celsius

(2) compression elasticity is low, the noise is small, uniform temperature distribution.

(3)Viscosity is strong, both the aging resistance of the resin and rubber toughness, thermal decay rate is low, restorative

(4)friction resistance, and the surface has good reproducibility.

The Material Evolution of Rail Train Brake Shoe

From the cast iron brake shoe for composite materials across the early train with cast iron material, its high hardness and wear resistance can meet the demand of foundation braking, but is easy to produce metal spark, braking noise, the serious defects such as wheel wear. Along with the development of high-speed railway and overloaded freight, shoe materials has experienced three major innovations:

(1)Powder metallurgy composite material by fund of copper, iron, and graphite powder, ceramic particles sintering molding, this kind of materials with both high friction coefficient and high temperature resistance. Örneğin, the copper base brake shoe can still maintain stable friction performance at 500℃ high temperature, and the wear rate of the wheel is reduced by more than 40%, which has become the standard choice for high-speed rail trains.

(2)Carbon fiber reinforced resin base material according to the characteristics of the city railway train frequent start-stop, carbon/aramid fiber hybrid enhanced organic synthetic brake shoe stand out. Its density is only 1/3 of cast iron, but it can maintain excellent braking performance in wet and oil pollution environment, and achieve environmental protection effects of noise reduction of more than 15 desibel.

(3)Functionally gradient materials (FGM) by laser cladding technology in preparation of substrate surface gradient ceramic layer, the brake shoe friction layer and heat dissipation performance orientation optimization. The experimental data show that the thermal decay resistance of this kind of brake shoe is increased by 60% under emergency braking conditions, and the service life is extended to 300,000 kilometre.

Application scenarios of Rail Train Brake Shoe

Adjust measures to local conditions of customized solution gave rise to different operating environment difference product matrix: cold high iron: adopting adding mos2 enhanced brake shoe at low temperature, the friction coefficient of deviation of 0.02 or less – 50 ℃ environment. Long and large ramp freight: tungsten copper composite brake shoe with forced air cooling system, continuous braking for 20 minutes temperature controllable within 400℃. Urban rail trains: nonmetallic brake shoe and magnetic track brake work together, achieve “sparkless brake”, perfect adaptation of the underground tunnel environment.

Performance Feature
Friction Stability (μ value 0.25-0.45)	In the temperature range of -40 ° C to 800 ° C, the fluctuation rate should be less than 10% to avoid the risk of sliding caused by brake “thermal recession”.
Wear Compatibility	The wear ratio between brake shoe and wheel should be controlled within 1:8, which not only ensures its own durability, but also reduces the frequency of wheel rotation repair.
Yorulma Direnci	It is necessary to pass more than 100,000 high-frequency braking tests, and the surface crack growth rate should be less than 0.1mm/ 10,000 kez.
Environmental Compliance	The EU REACH regulation requires that the copper content is less than 5%, and harmful substances such as asbestos and lead are zero detected.
Energy Dissipation Efficiency	The brake shoe of a heavy-duty train needs to have the ability to absorb 30MJ/kg of energy instantaneously, which is equivalent to the impact of a 2-ton weight falling from a height of 150 metre
Application Scenarios
High Cold Environment and High Speed Rail	adopting adding mos2 enhanced brake shoe at low temperature, the friction coefficient of deviation of 0.02 or less – 50 ℃ environment
Long and Large Ramp Freight	tungsten copper composite brake shoe with forced air cooling system, continuous braking for 20 minutes temperature controllable within 400℃.
Urban Rail Trains	nonmetallic brake shoe and magnetic track brake work together, achieve “sparkless brake”, perfect adaptation of the underground tunnel environment.

Paket: Rail Train Brake Shoe

Polybag + Karton kutu + Tahta sandık / Palet, müşterinin isteğine göre

Şirket Profili

Luoyang Fonyo Ağır Sanayi A.Ş., Ltd.. kuruldu 1998, 72.600㎡ alanı kapsıyor, fazlasıyla 300 çalışanlar, 32 teknisyenler, içermek 5 kıdemli mühendisler, 11 yardımcı mühendisler, Ve 16 teknisyenler. Luoyang Mühendislik Teknoloji Merkezi olarak derecelendirildi, Luoyang Teknoloji R&D Merkezi, ve birçok kez Ulusal Yüksek Teknoloji Şirketi.
Üretim kapasitemiz 30,000 ton/yıl. Şu anda, esas olarak çelik döküm üretiyoruz, dökme demir (gri demir, sünek demir, vesaire.), bitmiş ürün ve bileşen montajının işlenmesi. ürünler Rusya'ya ihraç edildi, Amerika Birleşik Devletleri, Almanya, Arjantin, Japonya, Fransa, Güney Afrika,İtalya ve diğer ülkeler.

SSS

1. Çeyrek: Üretici veya ticaret şirketi misiniz??
A:Biz bir üreticiyiz. Şirketimiz kuruldu 1998, Döküm sektöründe yaklaşık 30 yıldır, toplam 72.600㎡ alan, 51.000㎡ fabrika inşaat alanına sahip.
2. Çeyrek. Ana ürünleriniz nelerdir?
A: Öncelikle çelik döküme odaklanıyoruz, demir döküm, bitmiş ürün işleme, ve bileşen montaj üretimi.
3. Çeyrek: Döküm parçalarını ne kadar hassas üretebilirsiniz??
A: Farklı döküm prosesleri ile döküm parçaları üretme kabiliyetimiz bulunmaktadır.. Üretim kesinlikle ISO'ya uygundur 9001, ISO 14001 ve ISO45001,EN15085, İRİS.
4. Çeyrek. Numunelere göre üretim yapabilir misiniz??
Evet, Numuneleriniz veya teknik çizimlerinizle üretebiliriz. Numunelerinizi aldıktan sonra sizin için çizimler yapabiliriz.
S5: Teslimattan önce Kalite Kontrolünü nasıl yapıyorsunuz??
A: Kalite kontrolü, çelik döküm parçaların kalitesini garanti etmek için çok önemli bir faktördür. Takip ediyoruz 3 tüm üretim süreci boyunca denetim süreleri. Ve malzeme test raporu sunacağız, boyutsal test raporu, ve teslimattan önce müşterilerimize mekanik özellikler test raporu.

Herhangi bir ürünle ilgileniyorsunuz,lütfen bizimle iletişime geçmekten çekinmeyin.
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