阅读说明：本技术 一种轴类件铸造工艺 (Shaft part casting process ) 是由 王伟民 于 2019-09-02 设计创作，主要内容包括：本发明公开了一种轴类件铸造工艺,包括如下步骤：S10：在铸造模具的内腔涂上一层脱模剂；S20：取钢锭原料,并将钢锭原料加热至熔融状态的钢水,并进行保温0.3～0.6h；S30：将钢水向模具内浇注,待浇注完成后立即从浇注口处对处于恒温下的铸造模具进行加压,所加压力为0.015～0.02MPa,加压时间保持0.2～0.5h；S40：先将铸造模具冷却至500～550℃,恒温保持0.1～0.2h；然后将铸造模具冷却至室温；S50：将铸造成型的轴类件脱模处理,并对其进行机加工形成轴类件成品。该铸造方法提高钢质的利用率,提高铸造精度,结构强度高,提升生产效率。(The invention discloses a casting process of shaft parts, which comprises the following steps: s10: coating a layer of release agent on the inner cavity of the casting mould; s20: taking a steel ingot raw material, heating the steel ingot raw material to molten steel in a molten state, and preserving heat for 0.3-0.6 h; s30: pouring molten steel into the mold, and immediately pressurizing the casting mold at constant temperature from a pouring gate after pouring is finished, wherein the applied pressure is 0.015-0.02 MPa, and the pressurizing time is kept for 0.2-0.5 h; s40: firstly, cooling a casting mold to 500-550 ℃, and keeping the temperature constant for 0.1-0.2 h; then cooling the casting mould to room temperature; s50: and (3) demolding the cast shaft part, and machining the shaft part to form a finished shaft part product. The casting method improves the utilization rate of steel, improves the casting precision, has high structural strength and improves the production efficiency.)

1. The casting process of the shaft part is characterized by comprising the following steps of:

s10: coating a layer of release agent on the inner cavity of the casting mould;

s20: taking a steel ingot raw material, heating the steel ingot raw material to molten steel in a molten state, and preserving heat for 0.3-0.6 h;

s30: pouring molten steel into the mold, and immediately pressurizing the casting mold at constant temperature from a pouring gate after pouring is finished, wherein the applied pressure is 0.015-0.02 MPa, and the pressurizing time is kept for 0.2-0.5 h;

s40: firstly, cooling a casting mold to 500-550 ℃, and keeping the temperature constant for 0.1-0.2 h; then cooling the casting mould to room temperature;

s50: and (3) demolding the cast shaft part, and machining the shaft part to form a finished shaft part product.

2. The shaft casting process according to claim 1, wherein in step S20, the ingot raw material is heated to molten steel in a molten state and is kept warm for 0.45 h.

3. The process for casting shaft parts according to claim 1, wherein in step S30, the pressurizing force is 0.0175MPa, and the pressurizing time is 0.3 h.

4. The process for casting shaft parts according to claim 1, wherein in step S40, the casting mold is cooled to 525 ℃ and kept at a constant temperature for 0.15 h.

Technical Field

The invention relates to the field of casting, in particular to a casting process for shaft parts.

Background

The shaft part is one of important parts of mechanical equipment, and in the prior art, the shaft part can be damaged after a long time of use, once the shaft part is damaged, the damage to the mechanical equipment is self-evident, the whole mechanical equipment is potential safety hazards are caused, and in addition, the defects of low utilization rate of raw materials and insufficient structural strength in the casting of the existing shaft part are overcome.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a casting process for shaft parts, which improves the utilization rate of steel, improves the casting precision, has high structural strength, improves the production efficiency, and is safe and reliable.

In order to achieve the above object, the present invention provides a shaft casting process, which comprises the following steps:

s10: coating a layer of release agent on the inner cavity of the casting mould;

s20: taking a steel ingot raw material, heating the steel ingot raw material to molten steel in a molten state, and preserving heat for 0.3-0.6 h;

s30: pouring molten steel into the mold, and immediately pressurizing the casting mold at constant temperature from a pouring gate after pouring is finished, wherein the applied pressure is 0.015-0.02 MPa, and the pressurizing time is kept for 0.2-0.5 h;

s40: firstly, cooling a casting mold to 500-550 ℃, and keeping the temperature constant for 0.1-0.2 h; then cooling the casting mould to room temperature;

s50: and (3) demolding the cast shaft part, and machining the shaft part to form a finished shaft part product.

Preferably, in step S20, the ingot raw material is heated to molten steel in a molten state and heat-preserved for 0.45 h.

Preferably, in step S30, the pressurizing force is 0.0175MPa, and the pressurizing time is 0.3 h.

Preferably, in step S40, the casting mold is first cooled to 525 ℃ and kept at a constant temperature for 0.15 h.

Due to the adoption of the technical scheme, the invention has the following advantages: the casting method improves the utilization rate of steel, improves the casting precision, has high structural strength, improves the production efficiency, and is safe and reliable.

Detailed Description

The present invention is further described below.