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Manufacturing

Manufacturing is the use of tools, machines and labor to produce goods for sale or use. It may refer to various human activities ranging from handicraft to high tech, but is most commonly applied to industrial production where raw materials are transformed into finished goods.

8,256 Questions

What is furnace glass?

Italian glass blowing techniques such as latticinio and zanfirico are adapted here to make beads. Furnace glass uses large decorated canes built up out of smaller canes, encased in clear glass and then extruded to form the beads with linear and twisting stripe patterns. No air is blown into the glass. These beads require a large scale glass furnace and annealing (glass) kiln for manufacture.

What metal is used to coat cans and why?

Steel cans coated with a thin layer of tin to prevent rusting of the steel. If the can contents are acidic a further layer of polyethylene is added to the inside surfaces.

What are facts about the NBA?

# NBA stands for National Basketball Association # There are 30 teams in the NBA # David Stern is the commissioner

# There is an NBA draft held every June # There are playoffs every year # The winner of the playoffs is named the NBA champion # There are a maximum of 15 players on a team # There are five people on the court from each team at all times # The NBA hoop is 10ft. tall # There is a two point shot and a three point shot

Who is Ivern Ball?

You asked an excellent question because there are many other people (chat rooms) looking for information on Ivern Ball. There is no biography and no Wikipedia on this man. I could only come up with the fact he was a poet and writer and famous for wise quotes.

What Knurling sizes are available other than 40 TPI?

Knurls come in all different sizes and TPI. I've seen 7 TPI up to 120 TPI all at different diameters and widths. Also flat dies for thread rolling machines and circular dies for lathes. Knurls can be custom made to any TPI depending on what you need. The TPI of the knurl only allows proper tracking for certain incremented diameters. Knurls also come in straight, male or female and diamond patterns.

Is a print from the Ullman Manufacturing Company copyright 1900 Antique Road Show material?

Generally, I would say no. It depends partly on who the artist is and how popular they are. Ullman Manufacturing made LOTS of prints, kind of like what you might find in Wal-Mart today (albeit the older ones are higher quality in many respects). I had an Ullman print from a fairly famous artist that was still working hard at the time the print was made (circa 1900), and I was lucky to get $40 for it, and that may be just because it had a nice period frame.

Industries of Switzerland?

Although raw materials are very limited in Switzerland, the country has a world-class manufacturing economy fabricating raw material imports into high-value added exports. The engineering industry, together with metals and electronics, employs about 9 percent of the country's workforce and contributes around 40 percent to Swiss export revenues. Leading areas in the sector include precision engineering, in particular the world-renowned Swiss clocks and watches (accounting for 8 percent of export revenues in the early 1990s); scientific instruments; heavy engineering and machine building, including specialized, custom-built equipment such as generators and turbines; food products, particularly specialized luxury goods such as chocolate and cheese; textiles; chemicals; quality pharmaceuticals; and fine handicrafts.

What is coke less cupola?

a cokeless cupola is an industrial melting furnace used for remelting grey iron for casting or alloying it differs from traditional cupola furnaces in that it is cokeless.
traditional cupolas run on coke which is a refined coal product. most power plants run on coke. the traditional cupola is a vertically oriented tube filled with coke. the coke burns and is kept lit by a forced air introduced into the furnace through one or many holes in the lower third of the vertical shaft called tuyeres. the metal is introduced through the top and as the metal melts it collects in the bottom of the shaft until the collection area or well is full. the metal is then tapped out of the furnace through a hole at the furnace's base called the tap hole. it pours into a receiver, ladle, or mold.
cokeless cupolas use no coke so the inner workings of the furnace are different though they look similar from the out side. in the cokeless cupola instead of just forced air coming into the furnace at the tuyere, there are gas fired burners which provide the necessary heat to melt iron. directly above the burners is a water cooled grate that bridges the vertical shaft, creating a porous shelf that can both support the wait of fresh solid metal and allow liquid metal to drip through and collect in the well bellow. above the grate are many ceramic spheres known as the bed. the bed is super heated by the burners and reflects heat into the metal as it melts to keep it molten. iron is introduced at the top of the shaft onto the bed and when it melts and collects in the well it is tapped out as in a coke fired cupola.
operationally there are pros and cons to both methods of iron melting but cokeless cupolas are more fuel efficient, environmentally friendly, economical, and a cokeless cupola with the same bore as coke fired cupola can tap out upwards of twice as much metal because there is only iron in the well while there is approximately 60% coke in the well of conventional cupolas.

What is a foundry ladle made of?

Foundry ladles usually comprise of a mild steel shell with a refractory lining material. Effectively it is the refractory lining material that allows the foundry ladle to be used with molten metal whilst the steel shell provides support for the refractory. Traditionally the refractory material used to be firebrick, fireclay or even rammed sand. However it is more common for foundries to now use special refractory concretes that have high insulation values and last longer. Examples can be seen at www.acetarc.co.uk Where small amounts of metal are to be cast foundries will sometimes use ceramic crucibles to hold the metal.

Do prior department costs behave similarly to direct materials cost?

Prior department costs behave the same as direct materials, which are typically added at the start of production. They are treated separately because they represent the accumulation of costs from previous departments rather than the receipt of materials from the stores area. It is helpful to separate prior department costs from other costs because the manager of the department receiving the transferred units has no control over the costs incurred in prior departments. Thus, the prior department costs are not useful for evaluating the performance of the manager of the department receiving the units.

What is a pilot lot in manufacturing process and How to arrive the pilot lot size before mass production?

Pilot lot is more like prototype products manufactured and inspected and validated.

If the output is a bunch of small products like caps, tooth brushes. Pilot lot is the first batch of caps or brushes made and validated. It will be inspected for all characteristics that the customer need and will be shipped with first consignment to the customer.

Pilot lot is also known as first article/ first batch. Customer might also insist to make a pilot lot inspection to the supplier when there is a change in drawing/specification in the order.

Why killd carbon steel is used for low temperature service?

In short

Killed or fully killed steel (steels are also produced as semi killed steel) normally uses Si & Al for completely stopping (killing) the reaction between carbon and oxygen in molten steel.

1. Addition of small amount of Al helps in refining the grain size which in turn increases toughness of steel, an important requirement for steel against low temperature brittleness.

2. Killed steel is also comparatively cleaner (freedom from inclusions, stringers, etc) and therefore have better properties.

What are differences between steel 52 and steel 37?

the difference is the max load which the material will withstand until failure 52 stands more than 37

What are the advantages of using the likert scale?

Likert scales are good because they

  • show the strength of the person's feelings to whatever is in question
  • They're easy to anylase
  • They're easy to collect data
  • More expansive
  • Quick

Hope this helps :)

What causes productivity to go up?

There are quite a few things that would cause productivity to go up. Efficiency is the number one factor affecting productivity.

Can you weld corten steel with E7016 electrode?

If you need corten A or corten steel with E7016 electrode,you can ask BEBON STEEL.I think bebon steel offers corten A or corten steel with E7016 electrode that is very good.contact BEBON URL:/corten-a-b.com

Can you thread stainless steel pipe with regular dies?

No the dont cut into the pipe deep enough to make a sound thread as s/s is to hard and they kill the die!

S/Steel dies should be used.