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Different Types of Wear Mechanisms Require Different Materials and Designs

2019/06/19 14:20
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Wear is a complex field and there are numerous types of wear. Different types (and combinations) of wear mechanisms requires different approaches to the material selection and design. Which types of wear do wear resistant castings fall into?

     Abrasive Wear – occurs when a hard-rough surface slides across a softer surface. Generally, to reduce abrasive wear you need a harder material. Applications include chutes and feed hoppers which see sliding wear.

     Erosive Wear – occurs when particles impact the wear surface. As well the gradual removal of material from cutting and gouging actions, the kinetic energy of the impacting particles in can cause surface work hardening and micro cracking which can result in delamination and spalling. Consideration of material-toughness as well material-hardness as well as plant design e.g. particle Impingement Angle and Velocity are important to controll erosive wear. Applications include pneumatic and hydro conveying, grizzlies, screens, and cyclones.

     Corrosive Wear -This kind of wear is a mixture of corrosion & wear. The mechanical wear can be significantly increased by chemical reaction between the worn material and the corroding medium in the application environment, e.g. Paddle Mixers in Super Phosphate Production. Material Selection is very important to optimise the corrosion-wear properties of the component.

     Shenyang Gongda Heavy Equipment Manufacturing Co., Ltd. is mainly engaged in metallurgy, building materials, power stations, chemical milling, crushing equipment and spare parts. It is a technology-intensive enterprise integrating scientific research, development and production and has cooperation with many domestic and foreign enterprises. Its  efficient, energy-saving and environment-friendly products have broad market prospects.

    We offer a range of wear/abrasion resistant castingls and full heat treatment capability to optimise material properties to meet your requirements.

 

If you want to know more information, you can click here: abrasion resistant castings.

Website: https://www.wearresistantcasting.com/

2018/10/18 下午10:08:55

  公司以生產冶金,礦山,建材,電站,制粉,破碎設備用耐磨白口鑄鐵備件為主業,同時還生產各種高中低合金鋼鑄件,高錳鋼鑄件,銅合金鑄件,其中,最大鑄鐵件單重20噸,最大鑄鋼件單重10噸,年生產能力10000噸。
      公司主要生產設備有0.5噸、3噸、10噸中頻爐,10噸離心機和樹脂砂造型線。機械加工設備有:1.6米立車、2.5米立車,3.5米、5米、8米數控立車,?160、200、220鏜床、2.5×8米龍門銑,C6110數控臥車,80搖臂鉆等。理化檢測設備有:SPECTRO直讀光譜儀、HB-3000E臺式硬度儀、金相顯微鏡、超聲及磁粉無損檢測儀。

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