Year1
- 材质：
- HT250
- 型号：
- 齐全
- 硬度：
- HB300
, Characteristic description of machine tool workbench castings
, Moisture-resistant, corrosion-resistant, no need to apply oil, no rust, no fading.
, has the lowest temperature coefficient and is basically not affected by temperature.
, requires almost no maintenance, can be quickly and easily cleaned/wiped, and has good accuracy and stability.
, always the hardest surface.
, Smooth bearing surface, no dirt, wear-resistant, non-magnetic. Criteria for selecting casting methods
The most commonly used casting method is sand casting, followed by special casting methods, such as metal mold casting, investment casting, plaster mold casting, etc. Sand casting can be divided into clay sand molds, organic binder sand molds, resin self-hardening sand molds, evanescent molds, etc.
, Sand casting is preferred. The main reason is that compared with other casting methods, sand casting has low cost, simple production process and short production cycle. The weight of castings made by clay green sand can range from a few kilograms to tens of kilograms, while the castings produced by clay dry mold can weigh dozens of tons.
, the casting method should be consistent with the production batch. Casting methods such as low-pressure casting, die casting, and centrifugal casting are only suitable for mass production because the equipment and molds are expensive.
, the modeling method should be suitable for the factory conditions.
For example, in the production of castings such as large machine tool beds, the core molding method is generally used, without making surfaces and sand boxes. The core is assembled in the pit, while other factories use the sand box molding method to manufacture appearance. Different enterprises have different production conditions (including equipment, site, employee quality, etc.), production habits, and accumulated experience. These conditions should be used to consider what products are suitable and what products are not suitable (or cannot) be considered.
, can be processed and customized according to different needs of customers.
WhatsApp
