Development of power machinery
Power is an important factor in development of production. The late 17th century, with the improvement and development of all kinds of machinery, with the increasing demand for coal and metal ores, pe...
Author Archives: Yoyokuo
Our WZ double gantry boring & milling started to put into use
large vertical boring milling manufacturer – Openex Wuhan Heavy Duty Machine Tool Group Corporation (abbreviated as WZ) is right now the large scale backbone enterprise in China of manufac...
Forging technology talk
Forging is the collective name of forging and stamping. It is a forming and processing method that uses the hammer, anvil, punch of the forging machine or the die to apply pressure to the blank...
Metal material and parts for building metro vehicle
Thanks to believing our metal works fabrication service. We subcontract to supply stainless steel material and semi-finished parts for a metro vehicle manufacturer to build the metro vehicle. Producti...
Large turbine parts custom made for Israel power plant
Here pictured is a turbine part we are asked by an Israel power plant to produce. Our Vertical Milling & Boring Machine Centers fit customer's requirements on precision. Especially, on the sid...
Control of Intergranular Corrosion of Austenitic Stainless Steel
Among the various corrosions of stainless steel, the intergranular corrosion accounts for about 10%. It will reduce the bonding force between the grains. Under the action of stress, it is easy to crac...
Measures to reduce the content of hydrogen, oxygen and nitrogen in steel
Generally, clean steel refers to a steel grade that has a low content of five major impurity elements (S, P, H, O, N) in steel, and strictly controls non-metallic inclusions (oxides, sulf...
Large tube plates of heat exchanger for fertilizer industry
The heat exchanger has grown bigger and bigger in many industries such as oil, chemical, food processing, etc. In order to achieve high efficiency and reduce energy-consuming. The tube plate, as an im...
It is necessary for a professional foundry person to know this scrap knowledge!
It is necessary for a professional foundry person to know this scrap knowledge! Scrap steel is a general term for ferrous metal scrap in scrap metal recycling. It includes several categories suc...
Stainless steel 321 heating furnace components
Machining and fabrication of structural components for industrial heating furnace X6CrNiTi18-10. Stainless Steel grade 321, also named as UNS S32100, or En 1.4541 (DIN X6CrNiTi18-10), is heat resistan...
Collection of common defects and preventive measures in carburizing and quenching
Carburizing and quenching is actually a composite process, namely carburizing + quenching. We are often used to talk about the two together, because the two processes that are completed ...
The most complete mold acceptance standard in history!
1. Appearance, size and fit of the molded product 1. Defects on the product surface are not allowed: lack of material, burnt, top white, white line, peaking, blistering, whitening (or cracking, ...
Ultra high strength steel for mobile crane telescopic boom
Mobile crane telescopic boom made of high strength and ultra high strength steel. To reach farer and higher is important for a mobile crane manufacturer when they design their products. High strength ...
Optimization of heat treatment process for GH690 alloy pipe
The 690 alloy tube used for the steam generator heat transfer tube of nuclear power plant bears the corrosion of high temperature, high pressure and water medium, alloy grain size, intergranular...
Metal Fabrication for Abrasion-resistant Steel
Metal Fabrication for Abrasion-resistant Steel Author: Howard Zhang Created: 16 July, 2021 In our fab shop, we manufacture customized metal parts with a variey of materials, including abrasion-r...
Key features of high quality steel pressure vessels
As we known, a steel pressure vessel is a container designed to hold gases or liquids at a pressure substantially from the ambient pressure. Therefore, the pressure differential is the key feature com...
Maintenance of CNC Machining Center
As we all know, our company can provide large cnc machining and other relative service. Thus, many people ask that how they can maintain CNC equipment. Here I want to talk some with you. Proper operat...
Laser cutting of special steel
Recently， our company completed successfully the laser cutting process of a special steel. The special steel is used for explosion proof equipment, and the front and back sides of the special ste...
Approved ISO standard systems supervision and audit
A few days ago, our ISO9001:2008 quality management system, ISO14001：2004 environmental management system, OHSAS18001：2007 occupational health and safety management System peoformed its first supervis...
Papermaking machine components machining
Recently, we received a machining job from a papermaking equipment manufacturers to build Perforated plates in order to supporting their papermaking machine. This components would wear out from repeat...
China’s first new energy sky train runs trial in Chengdu
China's 1st Skytrain, a lithium-battery powered train suspended from the railway line, finished test run in Chengdu. Back in September, China became just the third country in the world to "ma...
Conditions for the realization of nodular cast iron casting without riser
1 The solidification characteristics of ductile iron The different solidification methods of nodular cast iron and gray cast iron are caused by the different growth methods of nodular graphite and fla...
Hundreds of 6s slogans for safety production and management in foundry workshops
TP-01 Build a system to prevent all disasters, failures, defects, and waste TP-02 Eliminate all losses and wastes of equipment, so that the equipment reaches the highest efficiency TP-03 From the top ...
Three Keys of Machining Technology of Iron Castings
The tool changes the process to a certain extent. As a tool for needles and brains, if we understand its performance and use it correctly, and then improve the machining technology...
Measures and Suggestions to Solve the Subcutaneous Porosity of Castings
The generation of subcutaneous pores is a comprehensive reaction of improper operation of various links and procedures in the casting process. The reasons for formation are complex, and ...
Several Issues Needing Attention in the Technical Transformation of Equipment in the Foundry Department
In recent years, the acceleration of the globalization of the world economy has provided opportunities for the development of my country’s foundry industry, and the de...
Various factors affecting the dimensional stability of investment castings
Continuously improving the dimensional accuracy of investment castings and reducing waste products caused by oversize has always been one of the main goals pursued by investment casting ...
four death symptoms kill small and medium foundry enterprises
Dreams are beautiful, but reality is cruel. If a small company, especially a small company in the early stage of starting a business, mechanically adopts the management mod...
Why do people choose Minghe?
Let's look at some obvious facts. 1. Integrated Manufacturing Resource Capability With our 13years experience in this custom metalworking industry, we have the ability to integrate these excellent...
Super long metal part bending task
On 24th Oct,we successfully finished one-time bending forming of a super long high-strength metal parts used for a special equipment manufacturing.Yes, we just finished steelworks machining. Material:...