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+--- Thread: How to Work Safely with - Compressed Gases (/showthread.php?tid=147755)
How to Work Safely with - Compressed Gases - jiuniangg - 03-02-2022
How to Work Safely with - Compressed Gases
Mold steel is a material that is used to manufacture the molds, including cold-punching mould, hot forging die, die-casting mold, and more. The mold is the main processing tool for the industry of machinery manufacturing, motor, radiometers and etc. The quality of mold would directly impact the quality of processing technic, the precision and output of products and more. The properties and heat treatment of mold steel would make a huge impact on the quality of Safety Shoes Steel Header Molud except for the good design of structural and processing precision. Its grades, specification and quality determine the properties, life and manufacturing period of die.
What is Die Stamping?
Bearing Seat Stamping Die is a cold forming process that takes a sheet of metal, referred to as a blank or tool steel, and cuts and shapes it using a single or series of dies to create a desired shape or profile. The force that is applied to the blank modifies and changes its geometry, which creates stress that makes the workpiece suitable for bending or shaping into complex forms. The parts produced can be exceptionally small or extremely large depending on the application.
The die stamping process, also known as pressing, includes a number of techniques such as punching, blanking, piercing, coining, and several other operations. Designs are required to be precise so that each punch produces optimal quality.
The dies in die stamping are specialized tools that have been customized to create a specific design, which can be very simple common items or complex computer components. Dies can be designed to perform a single function or be part of a series of functions that happen in stages.
There are three common forms of die stamping manufacturing processes:
line: a single operation process
transfer: stamping completes several operations in one cycle
progressive: the most common and widely used
What Is a Stamping Die?
A Stamping Die is a special, one-of-a-kind precision tool that cuts and forms sheet metal into a desired shape or profile. The die's cutting and forming sections typically are made from special types of hardenable steel called tool steel. Dies also can contain cutting and forming sections made from carbide or various other hard, wear-resistant materials.
Stamping is a cold-forming operation, which means that no heat is introduced into the die or the sheet material intentionally. However, because heat is generated from friction during the cutting and forming process, stamped parts often exit the dies very hot.
How Many Die Types Exist?
There are many kinds of stamping dies, all of which perform two basic operations—cutting, forming, or both. Manually or robotically loaded dies are referred to as line dies. Progressive and transfer dies are fully automated.
Cutting is perhaps the most common operation performed in a Caster Stamping Die. The metal is severed by placing it between two bypassing tool steel sections that have a small gap between them. This gap, or distance, is called the cutting clearance.
Cutting clearances change with respect to the type of cutting operation being performed, the metal's properties, and the desired edge condition of the piece part. The cutting clearance often is expressed as a percentage of the metal's thickness. The most common cutting clearance used is about 10 percent of the metal's thickness
Deep drawing, a sheet metal forming process designed to produce hollow shells, was developed in the mid-19th century. Since that time, much has been published regarding Deep Drawing Dies and processes, but very little can be found regarding its origin.
Oberlin Smith, a 19th-century industrialist best known for publishing one of the earliest works on magnetic recordings, provides a glimpse into the birth of deep drawing in his 1896 treatise, “Press Working of Metals” (Wiley & Sons).
“It is, moreover, a comparatively new process,” he writes, “probably dating back not more than 50 or 60 years. As near as I can learn, it was first used in America by Mr. Grosjean of New York, who informs me that he thinks it was practiced in France over a half a century ago.”
Cylinder Valves and Connections
Compressed gas cylinders must be connected only to regulators and equipment designed for the gas in the cylinder. Since connecting the wrong equipment can be dangerous, a number of different standard cylinder valve outlets are available for different classes of gas. For example, these standard connections prevent the valve connection for a flammable gas from fitting the connections for an incompatible gas, such as an oxidizing gas.
Most compressed gas cylinders have valve Oxygen Cylinder Caps or some other method of protecting the valve from damage during handling and transportation. A dust cap may be placed over the valve outlet itself to help keep it clean.
RE: How to Work Safely with - Compressed Gases - wherewolf - 12-01-2022
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RE: How to Work Safely with - Compressed Gases - wherewolf - 11-08-2023
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