对于需要验证设计和功能的项目, or where annual volumes do not warrant a die cast solution, beplay官网全站苹果提供各种原型和低量生产选择. This includes the newest rapid prototyping (RP) process, sand casting, rubber-plaster molding, CNC machining and 3D Printing.
Die Cast Prototypes
如果你想要相同的性能，高压压铸原型模具通常是最好的方法, 合金, geometry, 等. that will be in place for production.
原型压铸模具可以在更短的交货时间内以更低的成本生产，因为它们可以利用标准化组件(如现有的模具底座), and pre-hardened, uncoated tool steels. 该工具将不像一个典型的生产模具那样持续很长时间，模具将不像一个典型的生产模具那样有效地运行, 但这不是一个问题，当你只需要少量的零件(1,000 or less). 与定制模具相比，使用原型模具可以更快且成本更低地进行设计更改, hardened/coated production die. 用原型模具制作的零件通常要手工清洗闪光, avoiding the lead time and cost of a trim die.
3D Printed Prototypes
3D打印技术使快速生产耐用的ABS塑料原型成为可能, directly from STL design files. Fused Deposition Modeling (FDM_) parts are built and bonded, extruded layer by layer, from 3D computer data.
FDM机床可以生产公差为±0的复杂几何形状.005 in. (±127mm).
Because of the strength of the ABS plastic part, 它可以严格评估形式和适合度，并在许多功能测试中使用.
大多数3D打印工艺难以复制非常严格的容差特征, such as sections containing ribs, bosses and holes; CNC machining can be performed on the strong FDM ABS part to the required critical specifications.
在每一个新的压铸项目中都会生成FDM原型，通过提前向所有相关部门提供模型来加快生产并缩短总交货期. 这些多重FDM模型有助于确保模具设计结果的首件成功，并有助于同时构建压铸模具, trim dies, machining fixtures, finishing masks, and any required sub-assembly gauges or fixtures.
Machined Hog Outs
Advantages:
- Very low or no upfront tooling costs.
- Ideally suited for low volumes.
- Can be done in variety of 合金s.
- Very tight tolerances can be achieved.
- Short lead times.
Considerations:
- Highest cost option, especially for complicated geometries.
- 不复制可能有更广泛容差要求的更高容量的工艺吗.
- 不复制压铸或熔模铸造零件的表面光洁度.
- 一些几何形状，如曲面和半径较难加工.
Gravity Cast Prototypes
Sand casting, investment casting, 橡胶石膏型铸件是重力铸造工艺的一部分，可用于压铸设计的原型.
Sand Casting
- Advantages: Sand Casting has low upfront tooling costs, ideally suited for volumes of up to 2,500 pieces. 这种制造工艺能够铸造厚壁型材, internal cored features, and can be cast in various ferrous and non-ferrous 合金s. Sand Castings typically have short lead times. Tight tolerances can be easily achieved through machining.
- Considerations: In comparison to die casting, it is harder to apply a surface finish onto a sand casting. 小孔和紧密公差的特点将需要加工. 达到的铸态公差不像压铸或机加工的公差那么紧.
Investment Casting / Rubber Plaster Mold
- 优点:与压铸相比，熔模铸造(橡胶石膏模具)通常具有较低的前期模具成本, and has the same feasibility to apply a surface finish. 熔模铸造提供了在各种有色合金中铸造复杂几何形状的能力, with a short lead time.
- 考虑:模具成本高于砂型铸件或机械加工. Tight tolerance features and holes will need to be machined.
Spin Casting
Advantages:
- Ideally suited for small, zinc parts.
- Very low initial tooling costs.
- Ability to produce complex geometries.
- Short lead times.
- Variety of zinc 合金s available.
Considerations:
- Only available for zinc.
- Tight tolerance features will require machining
Contact Chicago White Metal 有关您的项目压铸原型的更多信息，请通过电子邮件sales@cwmtl.com or by calling (630) 595-4424.
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