Metal Casting Zone Info Blog

Posts Tagged ‘weight’

Cast Iron Shelf Brackets – Indestructible Yet Appealing

For shelves that are used for applications in which heavy loads have to be supported, cast iron shelf brackets are used extensively. Cast iron has a number of uses in industrial sectors from the automobile industry to architecture. It is known in the industry for its resilience and its robustness and is the first choice for a variety of heavy-duty applications.

Therefore, it is a natural choice when it comes to deciding what material should be used to design a shelf bracket that is required to withstand tremendous weight and stress. Furthermore, cast iron is not affecting by rusting and, therefore, withstands the wear and tear of outside use very well.

One tends to think that anything made out of cast iron will lack any artistic value. However, cast iron shelf brackets also can be aesthetically pleasing. They need not bulky and industrial in design. They come in a variety of designs including floral patterns, stars and even in animal shapes.

Depending on your preferences as a customer, you can find a cast iron shelf bracket that will exactly fit your shelving system requirements. If, however, you want a simple, cheap design that needs to merely serve the purpose of holding heavy weights, you can settle for an L-shaped cast iron shelf bracket.

Depending on certain characteristics of your shelf, you will need to pick an appropriate cast iron shelf bracket. The width and weight of your shelf is an important consideration and cast iron shelf brackets come in a variety of lengths to cater to you needs. Another important consideration is the amount of weight your shelf is required to hold. If your shelf needs to hold extraordinary weights reinforced cast iron shelf brackets are available.

Cast iron shelf brackets can support shelves that will last for many years without being damaged.

Click here to get the best ideas and deals on iron shelf brackets, cast iron shelf brackets and more.

More Cast Iron Brackets Articles

Idle situation:Consistantly achieving design weight/P.O.weight.

Possible variables causing drift from idle situation.

1. Tooling:The condition of tooling i.e. excess clearances in print leading to core shift and resulting excess weight.The tooling manafacturing through CAD/CAM and wear resistant material will help to achive this objective.

2.Core setting and mould closing process: Optimizing the core setting and mould closing such that with less clearances this can be performed.Mechanisatation of this activity will help to achive this objective. 

3.Pouring: Constant head and flow to optimize the swelling tendency of mould.Use of tundish pour will help to achive this objective. This is necessary to control the buyancy force exerted by liquid metal on mould wall and to optimise the sand additives for a given situation, pouring practices must be controlled.

4.Sand properties:This will play vital role in weight control.Optimising additives w.r.t. weght,foundry defects are the real challenge for foundry process engineer.While optimizing sand properties ,we may have to use multiple regression analysis.

The traditional approaches by foundry process control can not yield higher results. 

To start with, assuming above 3 variables are constant,start ploting average weight of 10 casings, rej% due to sand , G.C.S.,acitive clay and L.O.I. 

Once the data collection is started we can find the trend.Collect minimum of 100 batches and by doing regression analysis,we can achive optimum additives to get consistency in wt and rej% due to sand.

5.Cheistry and innculation practices also have significan impct on weght control.

In addition to all the above the basic diciplaine and good practices established by each foundry must follwed to get consistant results in any foundry.