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FAQ

What are the factors affecting the machining process of the casting material and structure?

Medium carbon steel begins, and the casting can not be punched and tapped directlyStainless steel, ordinary grade (Fe based alloy element content, less) can not do heat treatment. But processing small holes or tapping to heat treatment (solution. In practice, the annealing treatment can also be). There are a lot of stainless steel matrix is not to say, for example, nickel, cobalt and tungsten. And so on.

For example, casting parts contain many holes, inclusions and other defects, the size and the number of holes exceed which limit is not qualified

According to different casting process and parts materials, each has relevant standards, can be found online;

What kind of flaw detector is better for casting parts?

If you want to detect internal defects, you can use ultrasonic flaw detector, ray flaw detector can also, but the ray of the safety protection level is too high, not recommended priorityMacro Xu flaw detector answered, such as the magnetic particle inspection machine has the demand can contact us, Baidu "macro Xu flaw detection""

The difference between cement sand castings, resin sand castings and vacuum casting parts

The clay wet sand castings casting weight from a few kilograms until tens of kilograms, but the clay dry type of casting production can be weighed dozens of tons.For medium and large castings, cast iron, cast steel can be self hardening sand with resin can be water glass sand production, can obtain the precise size, smooth surface castings, but casting precision, surface roughness, density and microstructure, mechanical properties and material cost of sand casting production is often poor, so when the higher performance requirements of castings, should adopt other casting methods, such as casting (lost wax casting), die casting, low pressure casting.

Lathe processing stainless steel casting parts to use what type of tool, the speed into the amount of how much tool angle

It has something to do with the size of your work, and it has a lot to do with the blade you're using right now.

What are the casting parts processing engineering?

Among them, special casting has metal mould casting, pressure casting, low pressure casting, lost wax casting (also known as precision casting), shell casting, lost foam casting, centrifugal casting, continuous casting, V casting, and clay casting

When there is no flaw detection for large casting parts, is there any crack inside?

According to the industry standards, within the scope of the standard requirements to determine whether the product is qualified

What's the cause of the choking of the casting?,

2. when casting mold exhaust condition is not good, in the casting material use consider whether and hinder its gas permeability; in the process to consider to release more pores, multi venting; core exhaust is particularly important.