V index
Vulcanization refining
Sulfur Refining
Sulfur refining is a process that is used to produce elemental sulfur by removing unwanted impurities from natural gas and oil-refining processes. The process involves the burning of hydrocarbons to release hydrogen sulfide gas and other sulfur-containing compounds. The gases are ......
15/06/2023 
1043 
Oliver
Vacuum Evaporation Coating Method
Vacuum Evaporation Deposition
Vacuum evaporation deposition is a process used to deposit thin layers of metal, alloy, or ceramic material onto a substrate or surface. It is most commonly used to coat glass and plastic in order to protect the material from scratches and chemical corrosion. The pro......
Visual inspection of SKF bearings
SKF Bearing Visual Inspection
SKF bearings are a known name in the mechanical industry because of their quality and performance. It is important to perform a visual inspection of SKF bearings before they are put into use in any application. An improper visual inspection may lead to an unsafe bear......
Vanadium steel
Vanadium Steel
Vanadium steel is an incredibly strong type of steel alloy which incorporates the use of vanadium within its structure. The addition of vanadium to steel improves many of its physical properties such as ultimate tensile strength, ductility and toughness, making it a very desirable ......
vacuum furnace
Vacuum ovens are incredibly useful pieces of industrial equipment, capable of drying and degassing items that regular ovens cannot handle. A vacuum oven works by eliminating the presence of any air or moisture in the oven chamber, controlling temperature and airflow to varying degrees. Many indust......
Visual symbols of CNC machine tool operation instructions
Introduction
Numerically Controlled (NC) machining is an automated process used to cut complex shapes into pieces of material. NC machining requires an operator to be trained on the use of a programmable interface to control the machinery. This requires the operator to first understand the variou......
Valve installation guide and connection method
Installation Guide for Valves and Connection Methods
Valves are plumbing components that regulate the flow of water. In modern plumbing systems, valves are used to control the flow of water in-and-out of pipes, and help to ensure that water pressure is closely monitored. Valves can be used in a n......
Visual symbols for operation instructions of metal cutting machine tools (7)
1. On/off switch
This symbol indicates the on/off switch of the CNC machining process. This symbol activates the machine’s digital components such as its spindle and table.
2. Direction control knob
The direction control knob is used to switch between clockwise and counterclockwise motion and is......
Visual symbols for operation instructions of metal cutting machine tools (5)
Symbols Associated with Metal Cutting Machine Tool Operations
Operating a metal cutting machine tool is a complex process that requires the proper understanding and utilization of a variety of symbols and instructions. There are various signs, diagrams and instructions that must be understood in ......
Vanadium slag (YB/T008-1997)
The Chinese Standard YB/T008-1997 on Slag The Chinese Standard YB/T008-1997 on Slag defines slag as a waste residue generated during the production or chemical processing of metal or metal-containing materials. This includes particulate, liquid or gaseous waste materials resulting from the melting ......
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