Cast-iron platform casts the control of fusion process

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Produce cast-iron platform casting pig when, must control person furnace and the quality that the person includes material strictly, to its composition, piece degree reach manage to change function to must undertake check and be checkinged and accept by the requirement. Be pregnant with is cast-iron the casting pig that is a kind of flake graphite, just make a principle be the same as common and cast-iron different, increased process of be pregnant with. Agent of the person's right amount be pregnant with is added in the molten iron of component of low carbon, silicon, in order to restrain its excessive graphitization. Generally speaking, the quantity containing carbon of raw molten iron is in 2.

8 ～ 3.

Between 0 ％ , because be pregnant with is cast-iron,contain carbon inferior, the useless steel that measures with person sufficient sufficient in quantity is being increased in charging more. The content of silicon is in 0.

9 ～ 1.

Between 5 ％ , so that increase the amount adding a person of agent of be pregnant with, in order to improve casting machine performance. Contain quantity of sulfur, manganese to be in respectively 0.

08 ～ 0.

12 ％ and 0.

9 ～ 1.

When 2 ％ limits, if contain manganese the quantity is exorbitant, cast-iron medium an occurrence cementite. The quantity that contain phosphor is less than 0.

12 ％ , if its content is high, can affect cast intensity. Molding process control is the crucial course that builds cast, affect the quality of cast directly. Basically note the following respects: Underline cast-iron platform about: About is to cast the tooling with main production, also be the first working procedure that casts production, in assure geometrical dimension while. Also should consider scale of production to reach use convenient sex. What want a consideration above all in the process that make is its craft structure and function. Improve productivity on one hand, want to assure quality on the other hand. Using the integrality that about should examine in the process, assure flawless use. If have,blemish should pass the ability after repairing to be used quite. Knock strength should notice when having a model, aluminous model should fill up block to have beat, reduce the damage rate of aluminous model. Sound technology: Handlers should undertake strictly operating by process, all previous begs cast structure to make about is made go to the lavatory simply, make cent face amount little, have unplug modular rake, arenaceous core amount wants little, have reasonable wall thick, joint should have transfer. Select sound gating system, make cast order caky, in order to receive the cast with even organization. Close case: Closing case is an important segment that cannot ignore, the float of casting mould surface is arenaceous should clear clean, be opposite by impress close, notice complex case is measured, it is to reduce cast to slant the important step of box. Underline the core below cast-iron platform: Want when next core smooth, clear float is arenaceous. The position of arenaceous core should have been placed slant in case the generation of core. Stoving: To doing craft of modular model drying, want to undertake operating by operating rules, stoving time is 8h above, be not appeared because of stoving in case and cause the defect such as arenaceous, stoma. CNC Milling CNC Machining