機関車台車用高品質鉄道鋳物プレート

Introduction of High-quality Railway Castings Plate

The railway locomotive core plate, as the core load-bearing component of the train bogie system of rail vehicles, can be regarded as the “mechanical heart” of railway transportation equipment. This seemingly simple circular load-bearing structure actually embodies complex engineering wisdom and undertakes multiple key functions during train operation.

The Features of Railway Castings Plate for Bogie

From the perspective of the mechanical properties of the center plate, 同時に, to cope with the three-dimensional space composite load, longitudinal traction produces thousands of thousands of cattle dynamic braking force, centrifugal stress, and the vertical direction of the horizontal curve through dozens of tons of car body static load. Such extreme working conditions impose strict requirements on material properties. Modern core plates generally use high-strength low-alloy cast steel ZG25MnCrNiMo. Through the vacuum degassing refining process, the purity of the material is ensured. Combined with a computer-controlled gradient heat treatment process, the hardness of key parts reaches HB280-320 while maintaining overall toughness.

The Functions

Realize the function level, the core plate of conical bowl-shaped structure can be rated as the model of the mechanical engineering.

1.Its conical plane inclination Angle of 72°±0.5′ has been optimized through fluid mechanics, which can not only ensure the free rotation of the bogie and the vehicle body but also form a self-stabilizing effect during high-speed operation. The combination of the railway castings Core Plate for Railway Bogie in Train 0.8mm hardened layer formed by surface laser quenching and the nano-scale molybdenum disulfide coating keeps the friction coefficient below 0.08, ～によってエネルギー消費を削減する 15% compared with the traditional structure.

2. The specially designed stress diffusion grooves are arranged in a Fibonacci spiral, reducing the local stress concentration coefficient from 3.2 に 1.8, significantly enhancing the fatigue life. Safety redundancy design, modern core plate for railway bogie in train adopts layers of protection system: the main structure is design according to EN15085 standard 4 or higher safety coefficient, surface sets the depth of 0.2 mm acoustic emission crack monitoring network, internal embedded real-time distributed optical fiber sensor monitoring the strain distribution. When the load exceeds the design value by 85%, the piezoelectric ceramic early warning system will trigger a three-level alarm mechanism. This active defense system reduces the incidence of major accidents to less than one in a million.

The Characteristics の Railway Castings Plate for Bogie

In the field of vibration control, the dynamic response characteristics of the heart directly affect the ride comfort. The layout of the reinforcing ribs optimized through finite element modal analysis precisely avoids the wheel-rail excitation frequency band (8- 12Hz). Combined with the viscoelastic damping alloy interlayer, the vibration acceleration of the vehicle body is reduced from 0.25g to 0.15g. The newly developed magnetorheological adaptive core disk also incorporates intelligent control technology, which can adjust the stiffness in real time according to the line conditions and instantly increase the lateral binding force by 30% when passing through turnouts. Maintaining the performance of the innovation also deserves attention. The modular quick-change railway castings core unit adopts an aviation-grade titanium alloy locking device, which can reduce the replacement operation time from the traditional 72 までの時間 8 時間. The service life of self-lubricating graphene composite material gaskets has been extended to 1.2 百万キロメートル. Combined with an online monitoring system, condition-based maintenance has truly replaced periodic maintenance.

The Manufacturing Process の Railway Castings Plate for Bogie

From the perspective of the manufacturing process of a five-axis linkage CNC machine tool processing center plate, the contact surface contour accuracy of 0.01 mm, equal to one 7 of a human hair. The residual stress relief process adopts the spectral harmonic vibration aging technology to keep the residual stress in key parts below 50MPa. The 3D laser scanning inspection system can establish a digital twin model with an accuracy of 0.005mm, providing data support for full life cycle management.

The Development of Railway Castings Plate for Bogie

With the development of intelligent railway, the fourth generation of railway castings center plate has integrated a multidimensional sensor network, which can collect real-time mechanical parameters of 128 channels, through the calculation of the edge to diagnose abnormal milliseconds. This intelligent upgrade has increased the fault prediction accuracy of the bogie system to 98% and reduced the maintenance cost by 40%. The diameter of metal components less than 1 meter metal components, embodies the material science, 機械設計, and multidisciplinary advanced technology, such as intelligent control, guarded in silence every train’s safety. From the cast iron core of the Beijing-Zhangjiakou Railway to the intelligent core of the Fuxing bullet train, the evolution of this century-old technology is a vivid microcosm of China’s railway’s transformation from catching up to taking the lead.

Package of Casting Plate for Railway Bogie in Train

ポリ袋+カートンボックス+木製ケース/パレット, 顧客の要求に応じて

会社概要

洛陽豊洋重工業株式会社, 株式会社. に設立されました 1998, 面積72,600㎡, 以上の 300 従業員, 32 技術者, 含む 5 シニアエンジニア, 11 アシスタントエンジニア, そして 16 技術者. 洛陽工程技術センターとして評価されています, 洛陽テクノロジーR&Dセンター, 国家ハイテク企業と何度も.
弊社の生産能力は 30,000 年間トン. 現在, 私たちは主に鋳鋼を生産しています, 鋳鉄 (ねずみ鉄, ダクタイル鋳鉄, 等), 機関車の完成品加工および部品組立て,鉄道車両,高速鉄道, 鉱山機械,風力,etc.当社の製品はロシアに輸出されています, 米国, ドイツ, アルゼンチン, 日本, フランス, 南アフリカ,イタリアとその他の国.

よくある質問

Q1: メーカーですか、それとも商社ですか?
あ:当社はメーカーです。当社は年に設立されました。 1998, 鋳造業界で約30年の実績, 総面積72,600㎡, 工場建屋面積51,000㎡.
第2四半期. 主な製品は何ですか?
あ: 当社は主に鋼鋳造に注力しています, 鉄鋳物, 完成品加工, 機関車の部品組立生産,鉄道車両,高速鉄道, 鉱山機械,風力,等.
Q3: 鋳造部品をどの程度の精度で製造できるか?
あ: 当社はさまざまな鋳造プロセスで鋳造部品を製造する能力を持っています. 生産はISOに厳密に準拠しています 9001, ISO 14001 ISO45001、EN15085, 虹彩.
Q4. サンプル通りに生産してもらえますか?
 はい, あなたのサンプルまたは技術図面から生産できます. サンプルを入手した後、図面を作成することもできます.
Q5: 納品前の品質管理はどのように行っていますか?
あ: 品質検査は鋼鋳造部品の品質を保証する非常に重要な要素です. 私たちはフォローします 3 生産プロセス全体における検査回数. 材料試験レポートを提供します, 寸法試験レポート, 納品前に顧客に報告する機械的特性試験レポート.

何か商品にご興味がございましたら, お気軽にお問い合わせください.
電子メール:[email protected]
携帯:008615515321683